/src/gdal/frmts/zarr/zarr_array.cpp
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1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: GDAL |
4 | | * Purpose: Zarr driver |
5 | | * Author: Even Rouault <even dot rouault at spatialys.com> |
6 | | * |
7 | | ****************************************************************************** |
8 | | * Copyright (c) 2021, Even Rouault <even dot rouault at spatialys.com> |
9 | | * |
10 | | * SPDX-License-Identifier: MIT |
11 | | ****************************************************************************/ |
12 | | |
13 | | #include "zarr.h" |
14 | | #include "ucs4_utf8.hpp" |
15 | | |
16 | | #include "cpl_float.h" |
17 | | |
18 | | #include "netcdf_cf_constants.h" // for CF_UNITS, etc |
19 | | |
20 | | #include <algorithm> |
21 | | #include <cassert> |
22 | | #include <cmath> |
23 | | #include <cstdlib> |
24 | | #include <limits> |
25 | | #include <map> |
26 | | #include <set> |
27 | | |
28 | | #if defined(__clang__) || defined(_MSC_VER) |
29 | | #define COMPILER_WARNS_ABOUT_ABSTRACT_VBASE_INIT |
30 | | #endif |
31 | | |
32 | | namespace |
33 | | { |
34 | | |
35 | | inline std::vector<GByte> UTF8ToUCS4(const char *pszStr, bool needByteSwap) |
36 | 0 | { |
37 | 0 | const size_t nLen = strlen(pszStr); |
38 | | // Worst case if that we need 4 more bytes than the UTF-8 one |
39 | | // (when the content is pure ASCII) |
40 | 0 | if (nLen > std::numeric_limits<size_t>::max() / sizeof(uint32_t)) |
41 | 0 | throw std::bad_alloc(); |
42 | 0 | std::vector<GByte> ret(nLen * sizeof(uint32_t)); |
43 | 0 | size_t outPos = 0; |
44 | 0 | for (size_t i = 0; i < nLen; outPos += sizeof(uint32_t)) |
45 | 0 | { |
46 | 0 | uint32_t ucs4 = 0; |
47 | 0 | int consumed = FcUtf8ToUcs4( |
48 | 0 | reinterpret_cast<const uint8_t *>(pszStr + i), &ucs4, nLen - i); |
49 | 0 | if (consumed <= 0) |
50 | 0 | { |
51 | 0 | ret.resize(outPos); |
52 | 0 | } |
53 | 0 | if (needByteSwap) |
54 | 0 | { |
55 | 0 | CPL_SWAP32PTR(&ucs4); |
56 | 0 | } |
57 | 0 | memcpy(&ret[outPos], &ucs4, sizeof(uint32_t)); |
58 | 0 | i += consumed; |
59 | 0 | } |
60 | 0 | ret.resize(outPos); |
61 | 0 | return ret; |
62 | 0 | } |
63 | | |
64 | | inline char *UCS4ToUTF8(const uint8_t *ucs4Ptr, size_t nSize, bool needByteSwap) |
65 | 1.73k | { |
66 | | // A UCS4 char can require up to 6 bytes in UTF8. |
67 | 1.73k | if (nSize > (std::numeric_limits<size_t>::max() - 1) / 6 * 4) |
68 | 0 | return nullptr; |
69 | 1.73k | const size_t nOutSize = nSize / 4 * 6 + 1; |
70 | 1.73k | char *ret = static_cast<char *>(VSI_MALLOC_VERBOSE(nOutSize)); |
71 | 1.73k | if (ret == nullptr) |
72 | 0 | return nullptr; |
73 | 1.73k | size_t outPos = 0; |
74 | 4.74k | for (size_t i = 0; i + sizeof(uint32_t) - 1 < nSize; i += sizeof(uint32_t)) |
75 | 3.00k | { |
76 | 3.00k | uint32_t ucs4; |
77 | 3.00k | memcpy(&ucs4, ucs4Ptr + i, sizeof(uint32_t)); |
78 | 3.00k | if (needByteSwap) |
79 | 243 | { |
80 | 243 | CPL_SWAP32PTR(&ucs4); |
81 | 243 | } |
82 | 3.00k | int written = |
83 | 3.00k | FcUcs4ToUtf8(ucs4, reinterpret_cast<uint8_t *>(ret + outPos)); |
84 | 3.00k | outPos += written; |
85 | 3.00k | } |
86 | 1.73k | ret[outPos] = 0; |
87 | 1.73k | return ret; |
88 | 1.73k | } |
89 | | |
90 | | } // namespace |
91 | | |
92 | | /************************************************************************/ |
93 | | /* ZarrArray::ParseChunkSize() */ |
94 | | /************************************************************************/ |
95 | | |
96 | | /* static */ bool ZarrArray::ParseChunkSize(const CPLJSONArray &oChunks, |
97 | | const GDALExtendedDataType &oType, |
98 | | std::vector<GUInt64> &anBlockSize) |
99 | 367k | { |
100 | 367k | size_t nBlockSize = oType.GetSize(); |
101 | 367k | for (const auto &item : oChunks) |
102 | 544k | { |
103 | 544k | const auto nSize = static_cast<GUInt64>(item.ToLong()); |
104 | 544k | if (nSize == 0) |
105 | 85.3k | { |
106 | 85.3k | CPLError(CE_Failure, CPLE_AppDefined, "Invalid content for chunks"); |
107 | 85.3k | return false; |
108 | 85.3k | } |
109 | 458k | if (nBlockSize > std::numeric_limits<size_t>::max() / nSize) |
110 | 7.27k | { |
111 | 7.27k | CPLError(CE_Failure, CPLE_AppDefined, "Too large chunks"); |
112 | 7.27k | return false; |
113 | 7.27k | } |
114 | 451k | nBlockSize *= static_cast<size_t>(nSize); |
115 | 451k | anBlockSize.emplace_back(nSize); |
116 | 451k | } |
117 | | |
118 | 275k | return true; |
119 | 367k | } |
120 | | |
121 | | /************************************************************************/ |
122 | | /* ZarrArray::ComputeTileCount() */ |
123 | | /************************************************************************/ |
124 | | |
125 | | /* static */ uint64_t ZarrArray::ComputeTileCount( |
126 | | const std::string &osName, |
127 | | const std::vector<std::shared_ptr<GDALDimension>> &aoDims, |
128 | | const std::vector<GUInt64> &anBlockSize) |
129 | 189k | { |
130 | 189k | uint64_t nTotalTileCount = 1; |
131 | 446k | for (size_t i = 0; i < aoDims.size(); ++i) |
132 | 259k | { |
133 | 259k | uint64_t nTileThisDim = |
134 | 259k | (aoDims[i]->GetSize() / anBlockSize[i]) + |
135 | 259k | (((aoDims[i]->GetSize() % anBlockSize[i]) != 0) ? 1 : 0); |
136 | 259k | if (nTileThisDim != 0 && |
137 | 259k | nTotalTileCount > |
138 | 259k | std::numeric_limits<uint64_t>::max() / nTileThisDim) |
139 | 2.75k | { |
140 | 2.75k | CPLError( |
141 | 2.75k | CE_Failure, CPLE_NotSupported, |
142 | 2.75k | "Array %s has more than 2^64 tiles. This is not supported.", |
143 | 2.75k | osName.c_str()); |
144 | 2.75k | return 0; |
145 | 2.75k | } |
146 | 256k | nTotalTileCount *= nTileThisDim; |
147 | 256k | } |
148 | 186k | return nTotalTileCount; |
149 | 189k | } |
150 | | |
151 | | /************************************************************************/ |
152 | | /* ZarrArray::ZarrArray() */ |
153 | | /************************************************************************/ |
154 | | |
155 | | ZarrArray::ZarrArray( |
156 | | const std::shared_ptr<ZarrSharedResource> &poSharedResource, |
157 | | const std::string &osParentName, const std::string &osName, |
158 | | const std::vector<std::shared_ptr<GDALDimension>> &aoDims, |
159 | | const GDALExtendedDataType &oType, const std::vector<DtypeElt> &aoDtypeElts, |
160 | | const std::vector<GUInt64> &anBlockSize) |
161 | | : |
162 | | #if !defined(COMPILER_WARNS_ABOUT_ABSTRACT_VBASE_INIT) |
163 | | GDALAbstractMDArray(osParentName, osName), |
164 | | #endif |
165 | 189k | GDALPamMDArray(osParentName, osName, poSharedResource->GetPAM()), |
166 | 189k | m_poSharedResource(poSharedResource), m_aoDims(aoDims), m_oType(oType), |
167 | 189k | m_aoDtypeElts(aoDtypeElts), m_anBlockSize(anBlockSize), |
168 | 189k | m_oAttrGroup(m_osFullName, /*bContainerIsGroup=*/false) |
169 | 189k | { |
170 | 189k | m_nTotalTileCount = ComputeTileCount(osName, aoDims, anBlockSize); |
171 | 189k | if (m_nTotalTileCount == 0) |
172 | 2.75k | return; |
173 | | |
174 | | // Compute individual tile size |
175 | 186k | const size_t nSourceSize = |
176 | 186k | m_aoDtypeElts.back().nativeOffset + m_aoDtypeElts.back().nativeSize; |
177 | 186k | m_nTileSize = nSourceSize; |
178 | 186k | for (const auto &nBlockSize : m_anBlockSize) |
179 | 254k | { |
180 | 254k | m_nTileSize *= static_cast<size_t>(nBlockSize); |
181 | 254k | } |
182 | | |
183 | 186k | m_bUseOptimizedCodePaths = CPLTestBool( |
184 | 186k | CPLGetConfigOption("GDAL_ZARR_USE_OPTIMIZED_CODE_PATHS", "YES")); |
185 | 186k | } |
186 | | |
187 | | /************************************************************************/ |
188 | | /* ~ZarrArray() */ |
189 | | /************************************************************************/ |
190 | | |
191 | | ZarrArray::~ZarrArray() |
192 | 189k | { |
193 | 189k | if (m_pabyNoData) |
194 | 56.3k | { |
195 | 56.3k | m_oType.FreeDynamicMemory(&m_pabyNoData[0]); |
196 | 56.3k | CPLFree(m_pabyNoData); |
197 | 56.3k | } |
198 | | |
199 | 189k | DeallocateDecodedTileData(); |
200 | 189k | } |
201 | | |
202 | | /************************************************************************/ |
203 | | /* ZarrArray::SerializeSpecialAttributes() */ |
204 | | /************************************************************************/ |
205 | | |
206 | | CPLJSONObject ZarrArray::SerializeSpecialAttributes() |
207 | 2.26k | { |
208 | 2.26k | m_bSRSModified = false; |
209 | 2.26k | m_oAttrGroup.UnsetModified(); |
210 | | |
211 | 2.26k | auto oAttrs = m_oAttrGroup.Serialize(); |
212 | | |
213 | 2.26k | if (m_poSRS) |
214 | 22 | { |
215 | 22 | CPLJSONObject oCRS; |
216 | 22 | const char *const apszOptions[] = {"FORMAT=WKT2_2019", nullptr}; |
217 | 22 | char *pszWKT = nullptr; |
218 | 22 | if (m_poSRS->exportToWkt(&pszWKT, apszOptions) == OGRERR_NONE) |
219 | 22 | { |
220 | 22 | oCRS.Add("wkt", pszWKT); |
221 | 22 | } |
222 | 22 | CPLFree(pszWKT); |
223 | | |
224 | 22 | { |
225 | 22 | CPLErrorStateBackuper oErrorStateBackuper(CPLQuietErrorHandler); |
226 | 22 | char *projjson = nullptr; |
227 | 22 | if (m_poSRS->exportToPROJJSON(&projjson, nullptr) == OGRERR_NONE && |
228 | 22 | projjson != nullptr) |
229 | 22 | { |
230 | 22 | CPLJSONDocument oDocProjJSON; |
231 | 22 | if (oDocProjJSON.LoadMemory(std::string(projjson))) |
232 | 22 | { |
233 | 22 | oCRS.Add("projjson", oDocProjJSON.GetRoot()); |
234 | 22 | } |
235 | 22 | } |
236 | 22 | CPLFree(projjson); |
237 | 22 | } |
238 | | |
239 | 22 | const char *pszAuthorityCode = m_poSRS->GetAuthorityCode(nullptr); |
240 | 22 | const char *pszAuthorityName = m_poSRS->GetAuthorityName(nullptr); |
241 | 22 | if (pszAuthorityCode && pszAuthorityName && |
242 | 22 | EQUAL(pszAuthorityName, "EPSG")) |
243 | 6 | { |
244 | 6 | oCRS.Add("url", |
245 | 6 | std::string("http://www.opengis.net/def/crs/EPSG/0/") + |
246 | 6 | pszAuthorityCode); |
247 | 6 | } |
248 | | |
249 | 22 | oAttrs.Add(CRS_ATTRIBUTE_NAME, oCRS); |
250 | 22 | } |
251 | | |
252 | 2.26k | if (m_osUnit.empty()) |
253 | 2.26k | { |
254 | 2.26k | if (m_bUnitModified) |
255 | 0 | oAttrs.Delete(CF_UNITS); |
256 | 2.26k | } |
257 | 0 | else |
258 | 0 | { |
259 | 0 | oAttrs.Set(CF_UNITS, m_osUnit); |
260 | 0 | } |
261 | 2.26k | m_bUnitModified = false; |
262 | | |
263 | 2.26k | if (!m_bHasOffset) |
264 | 2.26k | { |
265 | 2.26k | oAttrs.Delete(CF_ADD_OFFSET); |
266 | 2.26k | } |
267 | 0 | else |
268 | 0 | { |
269 | 0 | oAttrs.Set(CF_ADD_OFFSET, m_dfOffset); |
270 | 0 | } |
271 | 2.26k | m_bOffsetModified = false; |
272 | | |
273 | 2.26k | if (!m_bHasScale) |
274 | 2.25k | { |
275 | 2.25k | oAttrs.Delete(CF_SCALE_FACTOR); |
276 | 2.25k | } |
277 | 4 | else |
278 | 4 | { |
279 | 4 | oAttrs.Set(CF_SCALE_FACTOR, m_dfScale); |
280 | 4 | } |
281 | 2.26k | m_bScaleModified = false; |
282 | | |
283 | 2.26k | return oAttrs; |
284 | 2.26k | } |
285 | | |
286 | | /************************************************************************/ |
287 | | /* FillBlockSize() */ |
288 | | /************************************************************************/ |
289 | | |
290 | | /* static */ |
291 | | bool ZarrArray::FillBlockSize( |
292 | | const std::vector<std::shared_ptr<GDALDimension>> &aoDimensions, |
293 | | const GDALExtendedDataType &oDataType, std::vector<GUInt64> &anBlockSize, |
294 | | CSLConstList papszOptions) |
295 | 1.64k | { |
296 | 1.64k | const auto nDims = aoDimensions.size(); |
297 | 1.64k | anBlockSize.resize(nDims); |
298 | 4.61k | for (size_t i = 0; i < nDims; ++i) |
299 | 2.97k | anBlockSize[i] = 1; |
300 | 1.64k | if (nDims >= 2) |
301 | 692 | { |
302 | 692 | anBlockSize[nDims - 2] = |
303 | 692 | std::min(std::max<GUInt64>(1, aoDimensions[nDims - 2]->GetSize()), |
304 | 692 | static_cast<GUInt64>(256)); |
305 | 692 | anBlockSize[nDims - 1] = |
306 | 692 | std::min(std::max<GUInt64>(1, aoDimensions[nDims - 1]->GetSize()), |
307 | 692 | static_cast<GUInt64>(256)); |
308 | 692 | } |
309 | 948 | else if (nDims == 1) |
310 | 948 | { |
311 | 948 | anBlockSize[0] = std::max<GUInt64>(1, aoDimensions[0]->GetSize()); |
312 | 948 | } |
313 | | |
314 | 1.64k | const char *pszBlockSize = CSLFetchNameValue(papszOptions, "BLOCKSIZE"); |
315 | 1.64k | if (pszBlockSize) |
316 | 0 | { |
317 | 0 | const auto aszTokens( |
318 | 0 | CPLStringList(CSLTokenizeString2(pszBlockSize, ",", 0))); |
319 | 0 | if (static_cast<size_t>(aszTokens.size()) != nDims) |
320 | 0 | { |
321 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
322 | 0 | "Invalid number of values in BLOCKSIZE"); |
323 | 0 | return false; |
324 | 0 | } |
325 | 0 | size_t nBlockSize = oDataType.GetSize(); |
326 | 0 | for (size_t i = 0; i < nDims; ++i) |
327 | 0 | { |
328 | 0 | anBlockSize[i] = static_cast<GUInt64>(CPLAtoGIntBig(aszTokens[i])); |
329 | 0 | if (anBlockSize[i] == 0) |
330 | 0 | { |
331 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
332 | 0 | "Values in BLOCKSIZE should be > 0"); |
333 | 0 | return false; |
334 | 0 | } |
335 | 0 | if (anBlockSize[i] > |
336 | 0 | std::numeric_limits<size_t>::max() / nBlockSize) |
337 | 0 | { |
338 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
339 | 0 | "Too large values in BLOCKSIZE"); |
340 | 0 | return false; |
341 | 0 | } |
342 | 0 | nBlockSize *= static_cast<size_t>(anBlockSize[i]); |
343 | 0 | } |
344 | 0 | } |
345 | 1.64k | return true; |
346 | 1.64k | } |
347 | | |
348 | | /************************************************************************/ |
349 | | /* DeallocateDecodedTileData() */ |
350 | | /************************************************************************/ |
351 | | |
352 | | void ZarrArray::DeallocateDecodedTileData() |
353 | 863k | { |
354 | 863k | if (!m_abyDecodedTileData.empty()) |
355 | 260 | { |
356 | 260 | const size_t nDTSize = m_oType.GetSize(); |
357 | 260 | GByte *pDst = &m_abyDecodedTileData[0]; |
358 | 260 | const size_t nValues = m_abyDecodedTileData.size() / nDTSize; |
359 | 260 | for (const auto &elt : m_aoDtypeElts) |
360 | 260 | { |
361 | 260 | if (elt.nativeType == DtypeElt::NativeType::STRING_ASCII || |
362 | 260 | elt.nativeType == DtypeElt::NativeType::STRING_UNICODE) |
363 | 0 | { |
364 | 0 | for (size_t i = 0; i < nValues; i++, pDst += nDTSize) |
365 | 0 | { |
366 | 0 | char *ptr; |
367 | 0 | char **pptr = |
368 | 0 | reinterpret_cast<char **>(pDst + elt.gdalOffset); |
369 | 0 | memcpy(&ptr, pptr, sizeof(ptr)); |
370 | 0 | VSIFree(ptr); |
371 | 0 | } |
372 | 0 | } |
373 | 260 | } |
374 | 260 | } |
375 | 863k | } |
376 | | |
377 | | /************************************************************************/ |
378 | | /* EncodeElt() */ |
379 | | /************************************************************************/ |
380 | | |
381 | | /* Encode from GDAL raw type to Zarr native type */ |
382 | | /*static*/ |
383 | | void ZarrArray::EncodeElt(const std::vector<DtypeElt> &elts, const GByte *pSrc, |
384 | | GByte *pDst) |
385 | 0 | { |
386 | 0 | for (const auto &elt : elts) |
387 | 0 | { |
388 | 0 | if (elt.nativeType == DtypeElt::NativeType::STRING_UNICODE) |
389 | 0 | { |
390 | 0 | const char *pStr = |
391 | 0 | *reinterpret_cast<const char *const *>(pSrc + elt.gdalOffset); |
392 | 0 | if (pStr) |
393 | 0 | { |
394 | 0 | try |
395 | 0 | { |
396 | 0 | const auto ucs4 = UTF8ToUCS4(pStr, elt.needByteSwapping); |
397 | 0 | const auto ucs4Len = ucs4.size(); |
398 | 0 | memcpy(pDst + elt.nativeOffset, ucs4.data(), |
399 | 0 | std::min(ucs4Len, elt.nativeSize)); |
400 | 0 | if (ucs4Len > elt.nativeSize) |
401 | 0 | { |
402 | 0 | CPLError(CE_Warning, CPLE_AppDefined, |
403 | 0 | "Too long string truncated"); |
404 | 0 | } |
405 | 0 | else if (ucs4Len < elt.nativeSize) |
406 | 0 | { |
407 | 0 | memset(pDst + elt.nativeOffset + ucs4Len, 0, |
408 | 0 | elt.nativeSize - ucs4Len); |
409 | 0 | } |
410 | 0 | } |
411 | 0 | catch (const std::exception &) |
412 | 0 | { |
413 | 0 | memset(pDst + elt.nativeOffset, 0, elt.nativeSize); |
414 | 0 | } |
415 | 0 | } |
416 | 0 | else |
417 | 0 | { |
418 | 0 | memset(pDst + elt.nativeOffset, 0, elt.nativeSize); |
419 | 0 | } |
420 | 0 | } |
421 | 0 | else if (elt.needByteSwapping) |
422 | 0 | { |
423 | 0 | if (elt.nativeSize == 2) |
424 | 0 | { |
425 | 0 | if (elt.gdalTypeIsApproxOfNative) |
426 | 0 | { |
427 | 0 | CPLAssert(elt.nativeType == DtypeElt::NativeType::IEEEFP); |
428 | 0 | CPLAssert(elt.gdalType.GetNumericDataType() == GDT_Float32); |
429 | 0 | const uint32_t uint32Val = |
430 | 0 | *reinterpret_cast<const uint32_t *>(pSrc + |
431 | 0 | elt.gdalOffset); |
432 | 0 | bool bHasWarned = false; |
433 | 0 | uint16_t uint16Val = |
434 | 0 | CPL_SWAP16(CPLFloatToHalf(uint32Val, bHasWarned)); |
435 | 0 | memcpy(pDst + elt.nativeOffset, &uint16Val, |
436 | 0 | sizeof(uint16Val)); |
437 | 0 | } |
438 | 0 | else |
439 | 0 | { |
440 | 0 | const uint16_t val = |
441 | 0 | CPL_SWAP16(*reinterpret_cast<const uint16_t *>( |
442 | 0 | pSrc + elt.gdalOffset)); |
443 | 0 | memcpy(pDst + elt.nativeOffset, &val, sizeof(val)); |
444 | 0 | } |
445 | 0 | } |
446 | 0 | else if (elt.nativeSize == 4) |
447 | 0 | { |
448 | 0 | const uint32_t val = CPL_SWAP32( |
449 | 0 | *reinterpret_cast<const uint32_t *>(pSrc + elt.gdalOffset)); |
450 | 0 | memcpy(pDst + elt.nativeOffset, &val, sizeof(val)); |
451 | 0 | } |
452 | 0 | else if (elt.nativeSize == 8) |
453 | 0 | { |
454 | 0 | if (elt.nativeType == DtypeElt::NativeType::COMPLEX_IEEEFP) |
455 | 0 | { |
456 | 0 | uint32_t val = |
457 | 0 | CPL_SWAP32(*reinterpret_cast<const uint32_t *>( |
458 | 0 | pSrc + elt.gdalOffset)); |
459 | 0 | memcpy(pDst + elt.nativeOffset, &val, sizeof(val)); |
460 | 0 | val = CPL_SWAP32(*reinterpret_cast<const uint32_t *>( |
461 | 0 | pSrc + elt.gdalOffset + 4)); |
462 | 0 | memcpy(pDst + elt.nativeOffset + 4, &val, sizeof(val)); |
463 | 0 | } |
464 | 0 | else |
465 | 0 | { |
466 | 0 | const uint64_t val = |
467 | 0 | CPL_SWAP64(*reinterpret_cast<const uint64_t *>( |
468 | 0 | pSrc + elt.gdalOffset)); |
469 | 0 | memcpy(pDst + elt.nativeOffset, &val, sizeof(val)); |
470 | 0 | } |
471 | 0 | } |
472 | 0 | else if (elt.nativeSize == 16) |
473 | 0 | { |
474 | 0 | uint64_t val = CPL_SWAP64( |
475 | 0 | *reinterpret_cast<const uint64_t *>(pSrc + elt.gdalOffset)); |
476 | 0 | memcpy(pDst + elt.nativeOffset, &val, sizeof(val)); |
477 | 0 | val = CPL_SWAP64(*reinterpret_cast<const uint64_t *>( |
478 | 0 | pSrc + elt.gdalOffset + 8)); |
479 | 0 | memcpy(pDst + elt.nativeOffset + 8, &val, sizeof(val)); |
480 | 0 | } |
481 | 0 | else |
482 | 0 | { |
483 | 0 | CPLAssert(false); |
484 | 0 | } |
485 | 0 | } |
486 | 0 | else if (elt.gdalTypeIsApproxOfNative) |
487 | 0 | { |
488 | 0 | if (elt.nativeType == DtypeElt::NativeType::IEEEFP && |
489 | 0 | elt.nativeSize == 2) |
490 | 0 | { |
491 | 0 | CPLAssert(elt.gdalType.GetNumericDataType() == GDT_Float32); |
492 | 0 | const uint32_t uint32Val = |
493 | 0 | *reinterpret_cast<const uint32_t *>(pSrc + elt.gdalOffset); |
494 | 0 | bool bHasWarned = false; |
495 | 0 | const uint16_t uint16Val = |
496 | 0 | CPLFloatToHalf(uint32Val, bHasWarned); |
497 | 0 | memcpy(pDst + elt.nativeOffset, &uint16Val, sizeof(uint16Val)); |
498 | 0 | } |
499 | 0 | else |
500 | 0 | { |
501 | 0 | CPLAssert(false); |
502 | 0 | } |
503 | 0 | } |
504 | 0 | else if (elt.nativeType == DtypeElt::NativeType::STRING_ASCII) |
505 | 0 | { |
506 | 0 | const char *pStr = |
507 | 0 | *reinterpret_cast<const char *const *>(pSrc + elt.gdalOffset); |
508 | 0 | if (pStr) |
509 | 0 | { |
510 | 0 | const size_t nLen = strlen(pStr); |
511 | 0 | memcpy(pDst + elt.nativeOffset, pStr, |
512 | 0 | std::min(nLen, elt.nativeSize)); |
513 | 0 | if (nLen < elt.nativeSize) |
514 | 0 | memset(pDst + elt.nativeOffset + nLen, 0, |
515 | 0 | elt.nativeSize - nLen); |
516 | 0 | } |
517 | 0 | else |
518 | 0 | { |
519 | 0 | memset(pDst + elt.nativeOffset, 0, elt.nativeSize); |
520 | 0 | } |
521 | 0 | } |
522 | 0 | else |
523 | 0 | { |
524 | 0 | CPLAssert(elt.nativeSize == elt.gdalSize); |
525 | 0 | memcpy(pDst + elt.nativeOffset, pSrc + elt.gdalOffset, |
526 | 0 | elt.nativeSize); |
527 | 0 | } |
528 | 0 | } |
529 | 0 | } |
530 | | |
531 | | /************************************************************************/ |
532 | | /* ZarrArray::SerializeNumericNoData() */ |
533 | | /************************************************************************/ |
534 | | |
535 | | void ZarrArray::SerializeNumericNoData(CPLJSONObject &oRoot) const |
536 | 18 | { |
537 | 18 | if (m_oType.GetNumericDataType() == GDT_Int64) |
538 | 0 | { |
539 | 0 | const auto nVal = GetNoDataValueAsInt64(); |
540 | 0 | oRoot.Add("fill_value", static_cast<GInt64>(nVal)); |
541 | 0 | } |
542 | 18 | else if (m_oType.GetNumericDataType() == GDT_UInt64) |
543 | 0 | { |
544 | 0 | const auto nVal = GetNoDataValueAsUInt64(); |
545 | 0 | oRoot.Add("fill_value", static_cast<uint64_t>(nVal)); |
546 | 0 | } |
547 | 18 | else |
548 | 18 | { |
549 | 18 | const double dfVal = GetNoDataValueAsDouble(); |
550 | 18 | if (std::isnan(dfVal)) |
551 | 0 | oRoot.Add("fill_value", "NaN"); |
552 | 18 | else if (dfVal == std::numeric_limits<double>::infinity()) |
553 | 0 | oRoot.Add("fill_value", "Infinity"); |
554 | 18 | else if (dfVal == -std::numeric_limits<double>::infinity()) |
555 | 0 | oRoot.Add("fill_value", "-Infinity"); |
556 | 18 | else if (GDALDataTypeIsInteger(m_oType.GetNumericDataType())) |
557 | 17 | oRoot.Add("fill_value", static_cast<GInt64>(dfVal)); |
558 | 1 | else |
559 | 1 | oRoot.Add("fill_value", dfVal); |
560 | 18 | } |
561 | 18 | } |
562 | | |
563 | | /************************************************************************/ |
564 | | /* ZarrArray::GetSpatialRef() */ |
565 | | /************************************************************************/ |
566 | | |
567 | | std::shared_ptr<OGRSpatialReference> ZarrArray::GetSpatialRef() const |
568 | 15.0k | { |
569 | 15.0k | if (!CheckValidAndErrorOutIfNot()) |
570 | 0 | return nullptr; |
571 | | |
572 | 15.0k | if (m_poSRS) |
573 | 2.20k | return m_poSRS; |
574 | 12.8k | return GDALPamMDArray::GetSpatialRef(); |
575 | 15.0k | } |
576 | | |
577 | | /************************************************************************/ |
578 | | /* SetRawNoDataValue() */ |
579 | | /************************************************************************/ |
580 | | |
581 | | bool ZarrArray::SetRawNoDataValue(const void *pRawNoData) |
582 | 18 | { |
583 | 18 | if (!CheckValidAndErrorOutIfNot()) |
584 | 0 | return false; |
585 | | |
586 | 18 | if (!m_bUpdatable) |
587 | 0 | { |
588 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "Array opened in read-only mode"); |
589 | 0 | return false; |
590 | 0 | } |
591 | 18 | m_bDefinitionModified = true; |
592 | 18 | RegisterNoDataValue(pRawNoData); |
593 | 18 | return true; |
594 | 18 | } |
595 | | |
596 | | /************************************************************************/ |
597 | | /* RegisterNoDataValue() */ |
598 | | /************************************************************************/ |
599 | | |
600 | | void ZarrArray::RegisterNoDataValue(const void *pNoData) |
601 | 56.3k | { |
602 | 56.3k | if (m_pabyNoData) |
603 | 0 | { |
604 | 0 | m_oType.FreeDynamicMemory(&m_pabyNoData[0]); |
605 | 0 | } |
606 | | |
607 | 56.3k | if (pNoData == nullptr) |
608 | 0 | { |
609 | 0 | CPLFree(m_pabyNoData); |
610 | 0 | m_pabyNoData = nullptr; |
611 | 0 | } |
612 | 56.3k | else |
613 | 56.3k | { |
614 | 56.3k | const auto nSize = m_oType.GetSize(); |
615 | 56.3k | if (m_pabyNoData == nullptr) |
616 | 56.3k | { |
617 | 56.3k | m_pabyNoData = static_cast<GByte *>(CPLMalloc(nSize)); |
618 | 56.3k | } |
619 | 56.3k | memset(m_pabyNoData, 0, nSize); |
620 | 56.3k | GDALExtendedDataType::CopyValue(pNoData, m_oType, m_pabyNoData, |
621 | 56.3k | m_oType); |
622 | 56.3k | } |
623 | 56.3k | } |
624 | | |
625 | | /************************************************************************/ |
626 | | /* ZarrArray::BlockTranspose() */ |
627 | | /************************************************************************/ |
628 | | |
629 | | void ZarrArray::BlockTranspose(const ZarrByteVectorQuickResize &abySrc, |
630 | | ZarrByteVectorQuickResize &abyDst, |
631 | | bool bDecode) const |
632 | 125 | { |
633 | | // Perform transposition |
634 | 125 | const size_t nDims = m_anBlockSize.size(); |
635 | 125 | const size_t nSourceSize = |
636 | 125 | m_aoDtypeElts.back().nativeOffset + m_aoDtypeElts.back().nativeSize; |
637 | | |
638 | 125 | struct Stack |
639 | 125 | { |
640 | 125 | size_t nIters = 0; |
641 | 125 | const GByte *src_ptr = nullptr; |
642 | 125 | GByte *dst_ptr = nullptr; |
643 | 125 | size_t src_inc_offset = 0; |
644 | 125 | size_t dst_inc_offset = 0; |
645 | 125 | }; |
646 | | |
647 | 125 | std::vector<Stack> stack(nDims); |
648 | 125 | stack.emplace_back( |
649 | 125 | Stack()); // to make gcc 9.3 -O2 -Wnull-dereference happy |
650 | | |
651 | 125 | if (bDecode) |
652 | 125 | { |
653 | 125 | stack[0].src_inc_offset = nSourceSize; |
654 | 143 | for (size_t i = 1; i < nDims; ++i) |
655 | 18 | { |
656 | 18 | stack[i].src_inc_offset = stack[i - 1].src_inc_offset * |
657 | 18 | static_cast<size_t>(m_anBlockSize[i - 1]); |
658 | 18 | } |
659 | | |
660 | 125 | stack[nDims - 1].dst_inc_offset = nSourceSize; |
661 | 143 | for (size_t i = nDims - 1; i > 0;) |
662 | 18 | { |
663 | 18 | --i; |
664 | 18 | stack[i].dst_inc_offset = stack[i + 1].dst_inc_offset * |
665 | 18 | static_cast<size_t>(m_anBlockSize[i + 1]); |
666 | 18 | } |
667 | 125 | } |
668 | 0 | else |
669 | 0 | { |
670 | 0 | stack[0].dst_inc_offset = nSourceSize; |
671 | 0 | for (size_t i = 1; i < nDims; ++i) |
672 | 0 | { |
673 | 0 | stack[i].dst_inc_offset = stack[i - 1].dst_inc_offset * |
674 | 0 | static_cast<size_t>(m_anBlockSize[i - 1]); |
675 | 0 | } |
676 | |
|
677 | 0 | stack[nDims - 1].src_inc_offset = nSourceSize; |
678 | 0 | for (size_t i = nDims - 1; i > 0;) |
679 | 0 | { |
680 | 0 | --i; |
681 | 0 | stack[i].src_inc_offset = stack[i + 1].src_inc_offset * |
682 | 0 | static_cast<size_t>(m_anBlockSize[i + 1]); |
683 | 0 | } |
684 | 0 | } |
685 | | |
686 | 125 | stack[0].src_ptr = abySrc.data(); |
687 | 125 | stack[0].dst_ptr = &abyDst[0]; |
688 | | |
689 | 125 | size_t dimIdx = 0; |
690 | 24.4k | lbl_next_depth: |
691 | 24.4k | if (dimIdx == nDims) |
692 | 24.2k | { |
693 | 24.2k | void *dst_ptr = stack[nDims].dst_ptr; |
694 | 24.2k | const void *src_ptr = stack[nDims].src_ptr; |
695 | 24.2k | if (nSourceSize == 1) |
696 | 1.32k | *stack[nDims].dst_ptr = *stack[nDims].src_ptr; |
697 | 22.9k | else if (nSourceSize == 2) |
698 | 1.50k | *static_cast<uint16_t *>(dst_ptr) = |
699 | 1.50k | *static_cast<const uint16_t *>(src_ptr); |
700 | 21.4k | else if (nSourceSize == 4) |
701 | 3.04k | *static_cast<uint32_t *>(dst_ptr) = |
702 | 3.04k | *static_cast<const uint32_t *>(src_ptr); |
703 | 18.4k | else if (nSourceSize == 8) |
704 | 18.4k | *static_cast<uint64_t *>(dst_ptr) = |
705 | 18.4k | *static_cast<const uint64_t *>(src_ptr); |
706 | 0 | else |
707 | 0 | memcpy(dst_ptr, src_ptr, nSourceSize); |
708 | 24.2k | } |
709 | 172 | else |
710 | 172 | { |
711 | 172 | stack[dimIdx].nIters = static_cast<size_t>(m_anBlockSize[dimIdx]); |
712 | 24.3k | while (true) |
713 | 24.3k | { |
714 | 24.3k | dimIdx++; |
715 | 24.3k | stack[dimIdx].src_ptr = stack[dimIdx - 1].src_ptr; |
716 | 24.3k | stack[dimIdx].dst_ptr = stack[dimIdx - 1].dst_ptr; |
717 | 24.3k | goto lbl_next_depth; |
718 | 24.3k | lbl_return_to_caller: |
719 | 24.3k | dimIdx--; |
720 | 24.3k | if ((--stack[dimIdx].nIters) == 0) |
721 | 172 | break; |
722 | 24.1k | stack[dimIdx].src_ptr += stack[dimIdx].src_inc_offset; |
723 | 24.1k | stack[dimIdx].dst_ptr += stack[dimIdx].dst_inc_offset; |
724 | 24.1k | } |
725 | 172 | } |
726 | 24.4k | if (dimIdx > 0) |
727 | 24.3k | goto lbl_return_to_caller; |
728 | 24.4k | } |
729 | | |
730 | | /************************************************************************/ |
731 | | /* DecodeSourceElt() */ |
732 | | /************************************************************************/ |
733 | | |
734 | | /* static */ |
735 | | void ZarrArray::DecodeSourceElt(const std::vector<DtypeElt> &elts, |
736 | | const GByte *pSrc, GByte *pDst) |
737 | 39.5k | { |
738 | 39.5k | for (const auto &elt : elts) |
739 | 138k | { |
740 | 138k | if (elt.nativeType == DtypeElt::NativeType::STRING_UNICODE) |
741 | 1.73k | { |
742 | 1.73k | char *ptr; |
743 | 1.73k | char **pDstPtr = reinterpret_cast<char **>(pDst + elt.gdalOffset); |
744 | 1.73k | memcpy(&ptr, pDstPtr, sizeof(ptr)); |
745 | 1.73k | VSIFree(ptr); |
746 | | |
747 | 1.73k | char *pDstStr = UCS4ToUTF8(pSrc + elt.nativeOffset, elt.nativeSize, |
748 | 1.73k | elt.needByteSwapping); |
749 | 1.73k | memcpy(pDstPtr, &pDstStr, sizeof(pDstStr)); |
750 | 1.73k | } |
751 | 137k | else if (elt.needByteSwapping) |
752 | 8.97k | { |
753 | 8.97k | if (elt.nativeSize == 2) |
754 | 2.97k | { |
755 | 2.97k | uint16_t val; |
756 | 2.97k | memcpy(&val, pSrc + elt.nativeOffset, sizeof(val)); |
757 | 2.97k | if (elt.gdalTypeIsApproxOfNative) |
758 | 0 | { |
759 | 0 | CPLAssert(elt.nativeType == DtypeElt::NativeType::IEEEFP); |
760 | 0 | CPLAssert(elt.gdalType.GetNumericDataType() == GDT_Float32); |
761 | 0 | uint32_t uint32Val = CPLHalfToFloat(CPL_SWAP16(val)); |
762 | 0 | memcpy(pDst + elt.gdalOffset, &uint32Val, |
763 | 0 | sizeof(uint32Val)); |
764 | 0 | } |
765 | 2.97k | else |
766 | 2.97k | { |
767 | 2.97k | *reinterpret_cast<uint16_t *>(pDst + elt.gdalOffset) = |
768 | 2.97k | CPL_SWAP16(val); |
769 | 2.97k | } |
770 | 2.97k | } |
771 | 6.00k | else if (elt.nativeSize == 4) |
772 | 627 | { |
773 | 627 | uint32_t val; |
774 | 627 | memcpy(&val, pSrc + elt.nativeOffset, sizeof(val)); |
775 | 627 | *reinterpret_cast<uint32_t *>(pDst + elt.gdalOffset) = |
776 | 627 | CPL_SWAP32(val); |
777 | 627 | } |
778 | 5.37k | else if (elt.nativeSize == 8) |
779 | 5.37k | { |
780 | 5.37k | if (elt.nativeType == DtypeElt::NativeType::COMPLEX_IEEEFP) |
781 | 54 | { |
782 | 54 | uint32_t val; |
783 | 54 | memcpy(&val, pSrc + elt.nativeOffset, sizeof(val)); |
784 | 54 | *reinterpret_cast<uint32_t *>(pDst + elt.gdalOffset) = |
785 | 54 | CPL_SWAP32(val); |
786 | 54 | memcpy(&val, pSrc + elt.nativeOffset + 4, sizeof(val)); |
787 | 54 | *reinterpret_cast<uint32_t *>(pDst + elt.gdalOffset + 4) = |
788 | 54 | CPL_SWAP32(val); |
789 | 54 | } |
790 | 5.32k | else |
791 | 5.32k | { |
792 | 5.32k | uint64_t val; |
793 | 5.32k | memcpy(&val, pSrc + elt.nativeOffset, sizeof(val)); |
794 | 5.32k | *reinterpret_cast<uint64_t *>(pDst + elt.gdalOffset) = |
795 | 5.32k | CPL_SWAP64(val); |
796 | 5.32k | } |
797 | 5.37k | } |
798 | 0 | else if (elt.nativeSize == 16) |
799 | 0 | { |
800 | 0 | uint64_t val; |
801 | 0 | memcpy(&val, pSrc + elt.nativeOffset, sizeof(val)); |
802 | 0 | *reinterpret_cast<uint64_t *>(pDst + elt.gdalOffset) = |
803 | 0 | CPL_SWAP64(val); |
804 | 0 | memcpy(&val, pSrc + elt.nativeOffset + 8, sizeof(val)); |
805 | 0 | *reinterpret_cast<uint64_t *>(pDst + elt.gdalOffset + 8) = |
806 | 0 | CPL_SWAP64(val); |
807 | 0 | } |
808 | 0 | else |
809 | 0 | { |
810 | 0 | CPLAssert(false); |
811 | 0 | } |
812 | 8.97k | } |
813 | 128k | else if (elt.gdalTypeIsApproxOfNative) |
814 | 0 | { |
815 | 0 | if (elt.nativeType == DtypeElt::NativeType::IEEEFP && |
816 | 0 | elt.nativeSize == 2) |
817 | 0 | { |
818 | 0 | CPLAssert(elt.gdalType.GetNumericDataType() == GDT_Float32); |
819 | 0 | uint16_t uint16Val; |
820 | 0 | memcpy(&uint16Val, pSrc + elt.nativeOffset, sizeof(uint16Val)); |
821 | 0 | uint32_t uint32Val = CPLHalfToFloat(uint16Val); |
822 | 0 | memcpy(pDst + elt.gdalOffset, &uint32Val, sizeof(uint32Val)); |
823 | 0 | } |
824 | 0 | else |
825 | 0 | { |
826 | 0 | CPLAssert(false); |
827 | 0 | } |
828 | 0 | } |
829 | 128k | else if (elt.nativeType == DtypeElt::NativeType::STRING_ASCII) |
830 | 15.3k | { |
831 | 15.3k | char *ptr; |
832 | 15.3k | char **pDstPtr = reinterpret_cast<char **>(pDst + elt.gdalOffset); |
833 | 15.3k | memcpy(&ptr, pDstPtr, sizeof(ptr)); |
834 | 15.3k | VSIFree(ptr); |
835 | | |
836 | 15.3k | char *pDstStr = static_cast<char *>(CPLMalloc(elt.nativeSize + 1)); |
837 | 15.3k | memcpy(pDstStr, pSrc + elt.nativeOffset, elt.nativeSize); |
838 | 15.3k | pDstStr[elt.nativeSize] = 0; |
839 | 15.3k | memcpy(pDstPtr, &pDstStr, sizeof(pDstStr)); |
840 | 15.3k | } |
841 | 112k | else |
842 | 112k | { |
843 | 112k | CPLAssert(elt.nativeSize == elt.gdalSize); |
844 | 112k | memcpy(pDst + elt.gdalOffset, pSrc + elt.nativeOffset, |
845 | 112k | elt.nativeSize); |
846 | 112k | } |
847 | 138k | } |
848 | 39.5k | } |
849 | | |
850 | | /************************************************************************/ |
851 | | /* ZarrArray::IAdviseReadCommon() */ |
852 | | /************************************************************************/ |
853 | | |
854 | | bool ZarrArray::IAdviseReadCommon(const GUInt64 *arrayStartIdx, |
855 | | const size_t *count, |
856 | | CSLConstList papszOptions, |
857 | | std::vector<uint64_t> &anIndicesCur, |
858 | | int &nThreadsMax, |
859 | | std::vector<uint64_t> &anReqTilesIndices, |
860 | | size_t &nReqTiles) const |
861 | 0 | { |
862 | 0 | if (!CheckValidAndErrorOutIfNot()) |
863 | 0 | return false; |
864 | | |
865 | 0 | const size_t nDims = m_aoDims.size(); |
866 | 0 | anIndicesCur.resize(nDims); |
867 | 0 | std::vector<uint64_t> anIndicesMin(nDims); |
868 | 0 | std::vector<uint64_t> anIndicesMax(nDims); |
869 | | |
870 | | // Compute min and max tile indices in each dimension, and the total |
871 | | // nomber of tiles this represents. |
872 | 0 | nReqTiles = 1; |
873 | 0 | for (size_t i = 0; i < nDims; ++i) |
874 | 0 | { |
875 | 0 | anIndicesMin[i] = arrayStartIdx[i] / m_anBlockSize[i]; |
876 | 0 | anIndicesMax[i] = (arrayStartIdx[i] + count[i] - 1) / m_anBlockSize[i]; |
877 | | // Overflow on number of tiles already checked in Create() |
878 | 0 | nReqTiles *= static_cast<size_t>(anIndicesMax[i] - anIndicesMin[i] + 1); |
879 | 0 | } |
880 | | |
881 | | // Find available cache size |
882 | 0 | const size_t nCacheSize = [papszOptions]() |
883 | 0 | { |
884 | 0 | size_t nCacheSizeTmp; |
885 | 0 | const char *pszCacheSize = |
886 | 0 | CSLFetchNameValue(papszOptions, "CACHE_SIZE"); |
887 | 0 | if (pszCacheSize) |
888 | 0 | { |
889 | 0 | const auto nCacheSizeBig = CPLAtoGIntBig(pszCacheSize); |
890 | 0 | if (nCacheSizeBig < 0 || static_cast<uint64_t>(nCacheSizeBig) > |
891 | 0 | std::numeric_limits<size_t>::max() / 2) |
892 | 0 | { |
893 | 0 | CPLError(CE_Failure, CPLE_OutOfMemory, "Too big CACHE_SIZE"); |
894 | 0 | return std::numeric_limits<size_t>::max(); |
895 | 0 | } |
896 | 0 | nCacheSizeTmp = static_cast<size_t>(nCacheSizeBig); |
897 | 0 | } |
898 | 0 | else |
899 | 0 | { |
900 | | // Arbitrarily take half of remaining cache size |
901 | 0 | nCacheSizeTmp = static_cast<size_t>(std::min( |
902 | 0 | static_cast<uint64_t>( |
903 | 0 | (GDALGetCacheMax64() - GDALGetCacheUsed64()) / 2), |
904 | 0 | static_cast<uint64_t>(std::numeric_limits<size_t>::max() / 2))); |
905 | 0 | CPLDebug(ZARR_DEBUG_KEY, "Using implicit CACHE_SIZE=" CPL_FRMT_GUIB, |
906 | 0 | static_cast<GUIntBig>(nCacheSizeTmp)); |
907 | 0 | } |
908 | 0 | return nCacheSizeTmp; |
909 | 0 | }(); |
910 | 0 | if (nCacheSize == std::numeric_limits<size_t>::max()) |
911 | 0 | return false; |
912 | | |
913 | | // Check that cache size is sufficient to hold all needed tiles. |
914 | | // Also check that anReqTilesIndices size computation won't overflow. |
915 | 0 | if (nReqTiles > nCacheSize / std::max(m_nTileSize, nDims)) |
916 | 0 | { |
917 | 0 | CPLError( |
918 | 0 | CE_Failure, CPLE_OutOfMemory, |
919 | 0 | "CACHE_SIZE=" CPL_FRMT_GUIB " is not big enough to cache " |
920 | 0 | "all needed tiles. " |
921 | 0 | "At least " CPL_FRMT_GUIB " bytes would be needed", |
922 | 0 | static_cast<GUIntBig>(nCacheSize), |
923 | 0 | static_cast<GUIntBig>(nReqTiles * std::max(m_nTileSize, nDims))); |
924 | 0 | return false; |
925 | 0 | } |
926 | | |
927 | 0 | const char *pszNumThreads = CSLFetchNameValueDef( |
928 | 0 | papszOptions, "NUM_THREADS", |
929 | 0 | CPLGetConfigOption("GDAL_NUM_THREADS", "ALL_CPUS")); |
930 | 0 | if (EQUAL(pszNumThreads, "ALL_CPUS")) |
931 | 0 | nThreadsMax = CPLGetNumCPUs(); |
932 | 0 | else |
933 | 0 | nThreadsMax = std::max(1, atoi(pszNumThreads)); |
934 | 0 | if (nThreadsMax > 1024) |
935 | 0 | nThreadsMax = 1024; |
936 | 0 | if (nThreadsMax <= 1) |
937 | 0 | return true; |
938 | 0 | CPLDebug(ZARR_DEBUG_KEY, "IAdviseRead(): Using up to %d threads", |
939 | 0 | nThreadsMax); |
940 | |
|
941 | 0 | m_oMapTileIndexToCachedTile.clear(); |
942 | | |
943 | | // Overflow checked above |
944 | 0 | try |
945 | 0 | { |
946 | 0 | anReqTilesIndices.resize(nDims * nReqTiles); |
947 | 0 | } |
948 | 0 | catch (const std::bad_alloc &e) |
949 | 0 | { |
950 | 0 | CPLError(CE_Failure, CPLE_OutOfMemory, |
951 | 0 | "Cannot allocate anReqTilesIndices: %s", e.what()); |
952 | 0 | return false; |
953 | 0 | } |
954 | | |
955 | 0 | size_t dimIdx = 0; |
956 | 0 | size_t nTileIter = 0; |
957 | 0 | lbl_next_depth: |
958 | 0 | if (dimIdx == nDims) |
959 | 0 | { |
960 | 0 | if (nDims == 2) |
961 | 0 | { |
962 | | // optimize in common case |
963 | 0 | memcpy(&anReqTilesIndices[nTileIter * nDims], anIndicesCur.data(), |
964 | 0 | sizeof(uint64_t) * 2); |
965 | 0 | } |
966 | 0 | else if (nDims == 3) |
967 | 0 | { |
968 | | // optimize in common case |
969 | 0 | memcpy(&anReqTilesIndices[nTileIter * nDims], anIndicesCur.data(), |
970 | 0 | sizeof(uint64_t) * 3); |
971 | 0 | } |
972 | 0 | else |
973 | 0 | { |
974 | 0 | memcpy(&anReqTilesIndices[nTileIter * nDims], anIndicesCur.data(), |
975 | 0 | sizeof(uint64_t) * nDims); |
976 | 0 | } |
977 | 0 | nTileIter++; |
978 | 0 | } |
979 | 0 | else |
980 | 0 | { |
981 | | // This level of loop loops over blocks |
982 | 0 | anIndicesCur[dimIdx] = anIndicesMin[dimIdx]; |
983 | 0 | while (true) |
984 | 0 | { |
985 | 0 | dimIdx++; |
986 | 0 | goto lbl_next_depth; |
987 | 0 | lbl_return_to_caller: |
988 | 0 | dimIdx--; |
989 | 0 | if (anIndicesCur[dimIdx] == anIndicesMax[dimIdx]) |
990 | 0 | break; |
991 | 0 | ++anIndicesCur[dimIdx]; |
992 | 0 | } |
993 | 0 | } |
994 | 0 | if (dimIdx > 0) |
995 | 0 | goto lbl_return_to_caller; |
996 | 0 | assert(nTileIter == nReqTiles); |
997 | | |
998 | 0 | return true; |
999 | 0 | } |
1000 | | |
1001 | | /************************************************************************/ |
1002 | | /* ZarrArray::IRead() */ |
1003 | | /************************************************************************/ |
1004 | | |
1005 | | bool ZarrArray::IRead(const GUInt64 *arrayStartIdx, const size_t *count, |
1006 | | const GInt64 *arrayStep, const GPtrDiff_t *bufferStride, |
1007 | | const GDALExtendedDataType &bufferDataType, |
1008 | | void *pDstBuffer) const |
1009 | 23.5k | { |
1010 | 23.5k | if (!CheckValidAndErrorOutIfNot()) |
1011 | 0 | return false; |
1012 | | |
1013 | 23.5k | if (!AllocateWorkingBuffers()) |
1014 | 53 | return false; |
1015 | | |
1016 | | // Need to be kept in top-level scope |
1017 | 23.5k | std::vector<GUInt64> arrayStartIdxMod; |
1018 | 23.5k | std::vector<GInt64> arrayStepMod; |
1019 | 23.5k | std::vector<GPtrDiff_t> bufferStrideMod; |
1020 | | |
1021 | 23.5k | const size_t nDims = m_aoDims.size(); |
1022 | 23.5k | bool negativeStep = false; |
1023 | 68.1k | for (size_t i = 0; i < nDims; ++i) |
1024 | 44.6k | { |
1025 | 44.6k | if (arrayStep[i] < 0) |
1026 | 0 | { |
1027 | 0 | negativeStep = true; |
1028 | 0 | break; |
1029 | 0 | } |
1030 | 44.6k | } |
1031 | | |
1032 | | // const auto eBufferDT = bufferDataType.GetNumericDataType(); |
1033 | 23.5k | const auto nBufferDTSize = static_cast<int>(bufferDataType.GetSize()); |
1034 | | |
1035 | | // Make sure that arrayStep[i] are positive for sake of simplicity |
1036 | 23.5k | if (negativeStep) |
1037 | 0 | { |
1038 | 0 | #if defined(__GNUC__) |
1039 | 0 | #pragma GCC diagnostic push |
1040 | 0 | #pragma GCC diagnostic ignored "-Wnull-dereference" |
1041 | 0 | #endif |
1042 | 0 | arrayStartIdxMod.resize(nDims); |
1043 | 0 | arrayStepMod.resize(nDims); |
1044 | 0 | bufferStrideMod.resize(nDims); |
1045 | 0 | #if defined(__GNUC__) |
1046 | 0 | #pragma GCC diagnostic pop |
1047 | 0 | #endif |
1048 | 0 | for (size_t i = 0; i < nDims; ++i) |
1049 | 0 | { |
1050 | 0 | if (arrayStep[i] < 0) |
1051 | 0 | { |
1052 | 0 | arrayStartIdxMod[i] = |
1053 | 0 | arrayStartIdx[i] - (count[i] - 1) * (-arrayStep[i]); |
1054 | 0 | arrayStepMod[i] = -arrayStep[i]; |
1055 | 0 | bufferStrideMod[i] = -bufferStride[i]; |
1056 | 0 | pDstBuffer = |
1057 | 0 | static_cast<GByte *>(pDstBuffer) + |
1058 | 0 | bufferStride[i] * |
1059 | 0 | static_cast<GPtrDiff_t>(nBufferDTSize * (count[i] - 1)); |
1060 | 0 | } |
1061 | 0 | else |
1062 | 0 | { |
1063 | 0 | arrayStartIdxMod[i] = arrayStartIdx[i]; |
1064 | 0 | arrayStepMod[i] = arrayStep[i]; |
1065 | 0 | bufferStrideMod[i] = bufferStride[i]; |
1066 | 0 | } |
1067 | 0 | } |
1068 | 0 | arrayStartIdx = arrayStartIdxMod.data(); |
1069 | 0 | arrayStep = arrayStepMod.data(); |
1070 | 0 | bufferStride = bufferStrideMod.data(); |
1071 | 0 | } |
1072 | | |
1073 | 23.5k | std::vector<uint64_t> indicesOuterLoop(nDims + 1); |
1074 | 23.5k | std::vector<GByte *> dstPtrStackOuterLoop(nDims + 1); |
1075 | | |
1076 | 23.5k | std::vector<uint64_t> indicesInnerLoop(nDims + 1); |
1077 | 23.5k | std::vector<GByte *> dstPtrStackInnerLoop(nDims + 1); |
1078 | | |
1079 | 23.5k | std::vector<GPtrDiff_t> dstBufferStrideBytes; |
1080 | 68.1k | for (size_t i = 0; i < nDims; ++i) |
1081 | 44.6k | { |
1082 | 44.6k | dstBufferStrideBytes.push_back(bufferStride[i] * |
1083 | 44.6k | static_cast<GPtrDiff_t>(nBufferDTSize)); |
1084 | 44.6k | } |
1085 | 23.5k | dstBufferStrideBytes.push_back(0); |
1086 | | |
1087 | 23.5k | const auto nDTSize = m_oType.GetSize(); |
1088 | | |
1089 | 23.5k | std::vector<uint64_t> tileIndices(nDims); |
1090 | 23.5k | const size_t nSourceSize = |
1091 | 23.5k | m_aoDtypeElts.back().nativeOffset + m_aoDtypeElts.back().nativeSize; |
1092 | | |
1093 | 23.5k | std::vector<size_t> countInnerLoopInit(nDims + 1, 1); |
1094 | 23.5k | std::vector<size_t> countInnerLoop(nDims); |
1095 | | |
1096 | 23.5k | const bool bBothAreNumericDT = m_oType.GetClass() == GEDTC_NUMERIC && |
1097 | 23.5k | bufferDataType.GetClass() == GEDTC_NUMERIC; |
1098 | 23.5k | const bool bSameNumericDT = |
1099 | 23.5k | bBothAreNumericDT && |
1100 | 23.5k | m_oType.GetNumericDataType() == bufferDataType.GetNumericDataType(); |
1101 | 23.5k | const auto nSameDTSize = bSameNumericDT ? m_oType.GetSize() : 0; |
1102 | 23.5k | const bool bSameCompoundAndNoDynamicMem = |
1103 | 23.5k | m_oType.GetClass() == GEDTC_COMPOUND && m_oType == bufferDataType && |
1104 | 23.5k | !m_oType.NeedsFreeDynamicMemory(); |
1105 | 23.5k | std::vector<GByte> abyTargetNoData; |
1106 | 23.5k | bool bNoDataIsZero = false; |
1107 | | |
1108 | 23.5k | size_t dimIdx = 0; |
1109 | 23.5k | dstPtrStackOuterLoop[0] = static_cast<GByte *>(pDstBuffer); |
1110 | 195k | lbl_next_depth: |
1111 | 195k | if (dimIdx == nDims) |
1112 | 151k | { |
1113 | 151k | size_t dimIdxSubLoop = 0; |
1114 | 151k | dstPtrStackInnerLoop[0] = dstPtrStackOuterLoop[nDims]; |
1115 | 151k | bool bEmptyTile = false; |
1116 | | |
1117 | 151k | const GByte *pabySrcTile = m_abyDecodedTileData.empty() |
1118 | 151k | ? m_abyRawTileData.data() |
1119 | 151k | : m_abyDecodedTileData.data(); |
1120 | 151k | bool bMatchFoundInMapTileIndexToCachedTile = false; |
1121 | | |
1122 | | // Use cache built by IAdviseRead() if possible |
1123 | 151k | if (!m_oMapTileIndexToCachedTile.empty()) |
1124 | 0 | { |
1125 | 0 | uint64_t nTileIdx = 0; |
1126 | 0 | for (size_t j = 0; j < nDims; ++j) |
1127 | 0 | { |
1128 | 0 | if (j > 0) |
1129 | 0 | nTileIdx *= m_aoDims[j - 1]->GetSize(); |
1130 | 0 | nTileIdx += tileIndices[j]; |
1131 | 0 | } |
1132 | 0 | const auto oIter = m_oMapTileIndexToCachedTile.find(nTileIdx); |
1133 | 0 | if (oIter != m_oMapTileIndexToCachedTile.end()) |
1134 | 0 | { |
1135 | 0 | bMatchFoundInMapTileIndexToCachedTile = true; |
1136 | 0 | if (oIter->second.abyDecoded.empty()) |
1137 | 0 | { |
1138 | 0 | bEmptyTile = true; |
1139 | 0 | } |
1140 | 0 | else |
1141 | 0 | { |
1142 | 0 | pabySrcTile = oIter->second.abyDecoded.data(); |
1143 | 0 | } |
1144 | 0 | } |
1145 | 0 | else |
1146 | 0 | { |
1147 | 0 | CPLDebugOnly(ZARR_DEBUG_KEY, |
1148 | 0 | "Cache miss for tile " CPL_FRMT_GUIB, |
1149 | 0 | static_cast<GUIntBig>(nTileIdx)); |
1150 | 0 | } |
1151 | 0 | } |
1152 | | |
1153 | 151k | if (!bMatchFoundInMapTileIndexToCachedTile) |
1154 | 151k | { |
1155 | 151k | if (!tileIndices.empty() && tileIndices == m_anCachedTiledIndices) |
1156 | 1 | { |
1157 | 1 | if (!m_bCachedTiledValid) |
1158 | 0 | return false; |
1159 | 1 | bEmptyTile = m_bCachedTiledEmpty; |
1160 | 1 | } |
1161 | 151k | else |
1162 | 151k | { |
1163 | 151k | if (!FlushDirtyTile()) |
1164 | 0 | return false; |
1165 | | |
1166 | 151k | m_anCachedTiledIndices = tileIndices; |
1167 | 151k | m_bCachedTiledValid = |
1168 | 151k | LoadTileData(tileIndices.data(), bEmptyTile); |
1169 | 151k | if (!m_bCachedTiledValid) |
1170 | 2.59k | { |
1171 | 2.59k | return false; |
1172 | 2.59k | } |
1173 | 148k | m_bCachedTiledEmpty = bEmptyTile; |
1174 | 148k | } |
1175 | | |
1176 | 148k | pabySrcTile = m_abyDecodedTileData.empty() |
1177 | 148k | ? m_abyRawTileData.data() |
1178 | 148k | : m_abyDecodedTileData.data(); |
1179 | 148k | } |
1180 | 148k | const size_t nSrcDTSize = |
1181 | 148k | m_abyDecodedTileData.empty() ? nSourceSize : nDTSize; |
1182 | | |
1183 | 365k | for (size_t i = 0; i < nDims; ++i) |
1184 | 216k | { |
1185 | 216k | countInnerLoopInit[i] = 1; |
1186 | 216k | if (arrayStep[i] != 0) |
1187 | 202k | { |
1188 | 202k | const auto nextBlockIdx = |
1189 | 202k | std::min((1 + indicesOuterLoop[i] / m_anBlockSize[i]) * |
1190 | 202k | m_anBlockSize[i], |
1191 | 202k | arrayStartIdx[i] + count[i] * arrayStep[i]); |
1192 | 202k | countInnerLoopInit[i] = static_cast<size_t>( |
1193 | 202k | (nextBlockIdx - indicesOuterLoop[i] + arrayStep[i] - 1) / |
1194 | 202k | arrayStep[i]); |
1195 | 202k | } |
1196 | 216k | } |
1197 | | |
1198 | 148k | if (bEmptyTile && bBothAreNumericDT && abyTargetNoData.empty()) |
1199 | 19.9k | { |
1200 | 19.9k | abyTargetNoData.resize(nBufferDTSize); |
1201 | 19.9k | if (m_pabyNoData) |
1202 | 7.74k | { |
1203 | 7.74k | GDALExtendedDataType::CopyValue( |
1204 | 7.74k | m_pabyNoData, m_oType, &abyTargetNoData[0], bufferDataType); |
1205 | 7.74k | bNoDataIsZero = true; |
1206 | 37.7k | for (size_t i = 0; i < abyTargetNoData.size(); ++i) |
1207 | 30.0k | { |
1208 | 30.0k | if (abyTargetNoData[i] != 0) |
1209 | 6.82k | bNoDataIsZero = false; |
1210 | 30.0k | } |
1211 | 7.74k | } |
1212 | 12.1k | else |
1213 | 12.1k | { |
1214 | 12.1k | bNoDataIsZero = true; |
1215 | 12.1k | GByte zero = 0; |
1216 | 12.1k | GDALCopyWords(&zero, GDT_Byte, 0, &abyTargetNoData[0], |
1217 | 12.1k | bufferDataType.GetNumericDataType(), 0, 1); |
1218 | 12.1k | } |
1219 | 19.9k | } |
1220 | | |
1221 | 776k | lbl_next_depth_inner_loop: |
1222 | 776k | if (nDims == 0 || dimIdxSubLoop == nDims - 1) |
1223 | 707k | { |
1224 | 707k | indicesInnerLoop[dimIdxSubLoop] = indicesOuterLoop[dimIdxSubLoop]; |
1225 | 707k | void *dst_ptr = dstPtrStackInnerLoop[dimIdxSubLoop]; |
1226 | | |
1227 | 707k | if (m_bUseOptimizedCodePaths && bEmptyTile && bBothAreNumericDT && |
1228 | 707k | bNoDataIsZero && |
1229 | 707k | nBufferDTSize == dstBufferStrideBytes[dimIdxSubLoop]) |
1230 | 211k | { |
1231 | 211k | memset(dst_ptr, 0, |
1232 | 211k | nBufferDTSize * countInnerLoopInit[dimIdxSubLoop]); |
1233 | 211k | goto end_inner_loop; |
1234 | 211k | } |
1235 | 495k | else if (m_bUseOptimizedCodePaths && bEmptyTile && |
1236 | 495k | !abyTargetNoData.empty() && bBothAreNumericDT && |
1237 | 495k | dstBufferStrideBytes[dimIdxSubLoop] < |
1238 | 493k | std::numeric_limits<int>::max()) |
1239 | 493k | { |
1240 | 493k | GDALCopyWords64( |
1241 | 493k | abyTargetNoData.data(), bufferDataType.GetNumericDataType(), |
1242 | 493k | 0, dst_ptr, bufferDataType.GetNumericDataType(), |
1243 | 493k | static_cast<int>(dstBufferStrideBytes[dimIdxSubLoop]), |
1244 | 493k | static_cast<GPtrDiff_t>(countInnerLoopInit[dimIdxSubLoop])); |
1245 | 493k | goto end_inner_loop; |
1246 | 493k | } |
1247 | 1.86k | else if (bEmptyTile) |
1248 | 0 | { |
1249 | 0 | for (size_t i = 0; i < countInnerLoopInit[dimIdxSubLoop]; |
1250 | 0 | ++i, dst_ptr = static_cast<uint8_t *>(dst_ptr) + |
1251 | 0 | dstBufferStrideBytes[dimIdxSubLoop]) |
1252 | 0 | { |
1253 | 0 | if (bNoDataIsZero) |
1254 | 0 | { |
1255 | 0 | if (nBufferDTSize == 1) |
1256 | 0 | { |
1257 | 0 | *static_cast<uint8_t *>(dst_ptr) = 0; |
1258 | 0 | } |
1259 | 0 | else if (nBufferDTSize == 2) |
1260 | 0 | { |
1261 | 0 | *static_cast<uint16_t *>(dst_ptr) = 0; |
1262 | 0 | } |
1263 | 0 | else if (nBufferDTSize == 4) |
1264 | 0 | { |
1265 | 0 | *static_cast<uint32_t *>(dst_ptr) = 0; |
1266 | 0 | } |
1267 | 0 | else if (nBufferDTSize == 8) |
1268 | 0 | { |
1269 | 0 | *static_cast<uint64_t *>(dst_ptr) = 0; |
1270 | 0 | } |
1271 | 0 | else if (nBufferDTSize == 16) |
1272 | 0 | { |
1273 | 0 | static_cast<uint64_t *>(dst_ptr)[0] = 0; |
1274 | 0 | static_cast<uint64_t *>(dst_ptr)[1] = 0; |
1275 | 0 | } |
1276 | 0 | else |
1277 | 0 | { |
1278 | 0 | CPLAssert(false); |
1279 | 0 | } |
1280 | 0 | } |
1281 | 0 | else if (m_pabyNoData) |
1282 | 0 | { |
1283 | 0 | if (bBothAreNumericDT) |
1284 | 0 | { |
1285 | 0 | const void *src_ptr_v = abyTargetNoData.data(); |
1286 | 0 | if (nBufferDTSize == 1) |
1287 | 0 | *static_cast<uint8_t *>(dst_ptr) = |
1288 | 0 | *static_cast<const uint8_t *>(src_ptr_v); |
1289 | 0 | else if (nBufferDTSize == 2) |
1290 | 0 | *static_cast<uint16_t *>(dst_ptr) = |
1291 | 0 | *static_cast<const uint16_t *>(src_ptr_v); |
1292 | 0 | else if (nBufferDTSize == 4) |
1293 | 0 | *static_cast<uint32_t *>(dst_ptr) = |
1294 | 0 | *static_cast<const uint32_t *>(src_ptr_v); |
1295 | 0 | else if (nBufferDTSize == 8) |
1296 | 0 | *static_cast<uint64_t *>(dst_ptr) = |
1297 | 0 | *static_cast<const uint64_t *>(src_ptr_v); |
1298 | 0 | else if (nBufferDTSize == 16) |
1299 | 0 | { |
1300 | 0 | static_cast<uint64_t *>(dst_ptr)[0] = |
1301 | 0 | static_cast<const uint64_t *>(src_ptr_v)[0]; |
1302 | 0 | static_cast<uint64_t *>(dst_ptr)[1] = |
1303 | 0 | static_cast<const uint64_t *>(src_ptr_v)[1]; |
1304 | 0 | } |
1305 | 0 | else |
1306 | 0 | { |
1307 | 0 | CPLAssert(false); |
1308 | 0 | } |
1309 | 0 | } |
1310 | 0 | else |
1311 | 0 | { |
1312 | 0 | GDALExtendedDataType::CopyValue( |
1313 | 0 | m_pabyNoData, m_oType, dst_ptr, bufferDataType); |
1314 | 0 | } |
1315 | 0 | } |
1316 | 0 | else |
1317 | 0 | { |
1318 | 0 | memset(dst_ptr, 0, nBufferDTSize); |
1319 | 0 | } |
1320 | 0 | } |
1321 | |
|
1322 | 0 | goto end_inner_loop; |
1323 | 0 | } |
1324 | | |
1325 | 1.86k | size_t nOffset = 0; |
1326 | 4.71k | for (size_t i = 0; i < nDims; i++) |
1327 | 2.85k | { |
1328 | 2.85k | nOffset = static_cast<size_t>( |
1329 | 2.85k | nOffset * m_anBlockSize[i] + |
1330 | 2.85k | (indicesInnerLoop[i] - tileIndices[i] * m_anBlockSize[i])); |
1331 | 2.85k | } |
1332 | 1.86k | const GByte *src_ptr = pabySrcTile + nOffset * nSrcDTSize; |
1333 | 1.86k | const auto step = nDims == 0 ? 0 : arrayStep[dimIdxSubLoop]; |
1334 | | |
1335 | 1.86k | if (m_bUseOptimizedCodePaths && bBothAreNumericDT && |
1336 | 1.86k | step <= static_cast<GIntBig>(std::numeric_limits<int>::max() / |
1337 | 1.86k | nDTSize) && |
1338 | 1.86k | dstBufferStrideBytes[dimIdxSubLoop] <= |
1339 | 1.86k | std::numeric_limits<int>::max()) |
1340 | 1.86k | { |
1341 | 1.86k | GDALCopyWords64( |
1342 | 1.86k | src_ptr, m_oType.GetNumericDataType(), |
1343 | 1.86k | static_cast<int>(step * nDTSize), dst_ptr, |
1344 | 1.86k | bufferDataType.GetNumericDataType(), |
1345 | 1.86k | static_cast<int>(dstBufferStrideBytes[dimIdxSubLoop]), |
1346 | 1.86k | static_cast<GPtrDiff_t>(countInnerLoopInit[dimIdxSubLoop])); |
1347 | | |
1348 | 1.86k | goto end_inner_loop; |
1349 | 1.86k | } |
1350 | | |
1351 | 0 | for (size_t i = 0; i < countInnerLoopInit[dimIdxSubLoop]; |
1352 | 0 | ++i, src_ptr += step * nSrcDTSize, |
1353 | 0 | dst_ptr = static_cast<uint8_t *>(dst_ptr) + |
1354 | 0 | dstBufferStrideBytes[dimIdxSubLoop]) |
1355 | 0 | { |
1356 | 0 | if (bSameNumericDT) |
1357 | 0 | { |
1358 | 0 | const void *src_ptr_v = src_ptr; |
1359 | 0 | if (nSameDTSize == 1) |
1360 | 0 | *static_cast<uint8_t *>(dst_ptr) = |
1361 | 0 | *static_cast<const uint8_t *>(src_ptr_v); |
1362 | 0 | else if (nSameDTSize == 2) |
1363 | 0 | { |
1364 | 0 | *static_cast<uint16_t *>(dst_ptr) = |
1365 | 0 | *static_cast<const uint16_t *>(src_ptr_v); |
1366 | 0 | } |
1367 | 0 | else if (nSameDTSize == 4) |
1368 | 0 | { |
1369 | 0 | *static_cast<uint32_t *>(dst_ptr) = |
1370 | 0 | *static_cast<const uint32_t *>(src_ptr_v); |
1371 | 0 | } |
1372 | 0 | else if (nSameDTSize == 8) |
1373 | 0 | { |
1374 | 0 | *static_cast<uint64_t *>(dst_ptr) = |
1375 | 0 | *static_cast<const uint64_t *>(src_ptr_v); |
1376 | 0 | } |
1377 | 0 | else if (nSameDTSize == 16) |
1378 | 0 | { |
1379 | 0 | static_cast<uint64_t *>(dst_ptr)[0] = |
1380 | 0 | static_cast<const uint64_t *>(src_ptr_v)[0]; |
1381 | 0 | static_cast<uint64_t *>(dst_ptr)[1] = |
1382 | 0 | static_cast<const uint64_t *>(src_ptr_v)[1]; |
1383 | 0 | } |
1384 | 0 | else |
1385 | 0 | { |
1386 | 0 | CPLAssert(false); |
1387 | 0 | } |
1388 | 0 | } |
1389 | 0 | else if (bSameCompoundAndNoDynamicMem) |
1390 | 0 | { |
1391 | 0 | memcpy(dst_ptr, src_ptr, nDTSize); |
1392 | 0 | } |
1393 | 0 | else if (m_oType.GetClass() == GEDTC_STRING) |
1394 | 0 | { |
1395 | 0 | if (m_aoDtypeElts.back().nativeType == |
1396 | 0 | DtypeElt::NativeType::STRING_UNICODE) |
1397 | 0 | { |
1398 | 0 | char *pDstStr = |
1399 | 0 | UCS4ToUTF8(src_ptr, nSourceSize, |
1400 | 0 | m_aoDtypeElts.back().needByteSwapping); |
1401 | 0 | char **pDstPtr = static_cast<char **>(dst_ptr); |
1402 | 0 | memcpy(pDstPtr, &pDstStr, sizeof(pDstStr)); |
1403 | 0 | } |
1404 | 0 | else |
1405 | 0 | { |
1406 | 0 | char *pDstStr = |
1407 | 0 | static_cast<char *>(CPLMalloc(nSourceSize + 1)); |
1408 | 0 | memcpy(pDstStr, src_ptr, nSourceSize); |
1409 | 0 | pDstStr[nSourceSize] = 0; |
1410 | 0 | char **pDstPtr = static_cast<char **>(dst_ptr); |
1411 | 0 | memcpy(pDstPtr, &pDstStr, sizeof(char *)); |
1412 | 0 | } |
1413 | 0 | } |
1414 | 0 | else |
1415 | 0 | { |
1416 | 0 | GDALExtendedDataType::CopyValue(src_ptr, m_oType, dst_ptr, |
1417 | 0 | bufferDataType); |
1418 | 0 | } |
1419 | 0 | } |
1420 | 0 | } |
1421 | 69.7k | else |
1422 | 69.7k | { |
1423 | | // This level of loop loops over individual samples, within a |
1424 | | // block |
1425 | 69.7k | indicesInnerLoop[dimIdxSubLoop] = indicesOuterLoop[dimIdxSubLoop]; |
1426 | 69.7k | countInnerLoop[dimIdxSubLoop] = countInnerLoopInit[dimIdxSubLoop]; |
1427 | 628k | while (true) |
1428 | 628k | { |
1429 | 628k | dimIdxSubLoop++; |
1430 | 628k | dstPtrStackInnerLoop[dimIdxSubLoop] = |
1431 | 628k | dstPtrStackInnerLoop[dimIdxSubLoop - 1]; |
1432 | 628k | goto lbl_next_depth_inner_loop; |
1433 | 628k | lbl_return_to_caller_inner_loop: |
1434 | 628k | dimIdxSubLoop--; |
1435 | 628k | --countInnerLoop[dimIdxSubLoop]; |
1436 | 628k | if (countInnerLoop[dimIdxSubLoop] == 0) |
1437 | 69.7k | { |
1438 | 69.7k | break; |
1439 | 69.7k | } |
1440 | 558k | indicesInnerLoop[dimIdxSubLoop] += arrayStep[dimIdxSubLoop]; |
1441 | 558k | dstPtrStackInnerLoop[dimIdxSubLoop] += |
1442 | 558k | dstBufferStrideBytes[dimIdxSubLoop]; |
1443 | 558k | } |
1444 | 69.7k | } |
1445 | 776k | end_inner_loop: |
1446 | 776k | if (dimIdxSubLoop > 0) |
1447 | 628k | goto lbl_return_to_caller_inner_loop; |
1448 | 776k | } |
1449 | 44.6k | else |
1450 | 44.6k | { |
1451 | | // This level of loop loops over blocks |
1452 | 44.6k | indicesOuterLoop[dimIdx] = arrayStartIdx[dimIdx]; |
1453 | 44.6k | tileIndices[dimIdx] = indicesOuterLoop[dimIdx] / m_anBlockSize[dimIdx]; |
1454 | 172k | while (true) |
1455 | 172k | { |
1456 | 172k | dimIdx++; |
1457 | 172k | dstPtrStackOuterLoop[dimIdx] = dstPtrStackOuterLoop[dimIdx - 1]; |
1458 | 172k | goto lbl_next_depth; |
1459 | 167k | lbl_return_to_caller: |
1460 | 167k | dimIdx--; |
1461 | 167k | if (count[dimIdx] == 1 || arrayStep[dimIdx] == 0) |
1462 | 19.7k | break; |
1463 | | |
1464 | 147k | size_t nIncr; |
1465 | 147k | if (static_cast<GUInt64>(arrayStep[dimIdx]) < m_anBlockSize[dimIdx]) |
1466 | 117k | { |
1467 | | // Compute index at next block boundary |
1468 | 117k | auto newIdx = |
1469 | 117k | indicesOuterLoop[dimIdx] + |
1470 | 117k | (m_anBlockSize[dimIdx] - |
1471 | 117k | (indicesOuterLoop[dimIdx] % m_anBlockSize[dimIdx])); |
1472 | | // And round up compared to arrayStartIdx, arrayStep |
1473 | 117k | nIncr = static_cast<size_t>((newIdx - indicesOuterLoop[dimIdx] + |
1474 | 117k | arrayStep[dimIdx] - 1) / |
1475 | 117k | arrayStep[dimIdx]); |
1476 | 117k | } |
1477 | 30.4k | else |
1478 | 30.4k | { |
1479 | 30.4k | nIncr = 1; |
1480 | 30.4k | } |
1481 | 147k | indicesOuterLoop[dimIdx] += nIncr * arrayStep[dimIdx]; |
1482 | 147k | if (indicesOuterLoop[dimIdx] > |
1483 | 147k | arrayStartIdx[dimIdx] + (count[dimIdx] - 1) * arrayStep[dimIdx]) |
1484 | 19.8k | break; |
1485 | 127k | dstPtrStackOuterLoop[dimIdx] += |
1486 | 127k | bufferStride[dimIdx] * |
1487 | 127k | static_cast<GPtrDiff_t>(nIncr * nBufferDTSize); |
1488 | 127k | tileIndices[dimIdx] = |
1489 | 127k | indicesOuterLoop[dimIdx] / m_anBlockSize[dimIdx]; |
1490 | 127k | } |
1491 | 44.6k | } |
1492 | 188k | if (dimIdx > 0) |
1493 | 167k | goto lbl_return_to_caller; |
1494 | | |
1495 | 20.9k | return true; |
1496 | 188k | } |
1497 | | |
1498 | | /************************************************************************/ |
1499 | | /* ZarrArray::IWrite() */ |
1500 | | /************************************************************************/ |
1501 | | |
1502 | | bool ZarrArray::IWrite(const GUInt64 *arrayStartIdx, const size_t *count, |
1503 | | const GInt64 *arrayStep, const GPtrDiff_t *bufferStride, |
1504 | | const GDALExtendedDataType &bufferDataType, |
1505 | | const void *pSrcBuffer) |
1506 | 35.2k | { |
1507 | 35.2k | if (!CheckValidAndErrorOutIfNot()) |
1508 | 0 | return false; |
1509 | | |
1510 | 35.2k | if (!AllocateWorkingBuffers()) |
1511 | 0 | return false; |
1512 | | |
1513 | 35.2k | m_oMapTileIndexToCachedTile.clear(); |
1514 | | |
1515 | | // Need to be kept in top-level scope |
1516 | 35.2k | std::vector<GUInt64> arrayStartIdxMod; |
1517 | 35.2k | std::vector<GInt64> arrayStepMod; |
1518 | 35.2k | std::vector<GPtrDiff_t> bufferStrideMod; |
1519 | | |
1520 | 35.2k | const size_t nDims = m_aoDims.size(); |
1521 | 35.2k | bool negativeStep = false; |
1522 | 35.2k | bool bWriteWholeTileInit = true; |
1523 | 138k | for (size_t i = 0; i < nDims; ++i) |
1524 | 103k | { |
1525 | 103k | if (arrayStep[i] < 0) |
1526 | 0 | { |
1527 | 0 | negativeStep = true; |
1528 | 0 | if (arrayStep[i] != -1 && count[i] > 1) |
1529 | 0 | bWriteWholeTileInit = false; |
1530 | 0 | } |
1531 | 103k | else if (arrayStep[i] != 1 && count[i] > 1) |
1532 | 0 | bWriteWholeTileInit = false; |
1533 | 103k | } |
1534 | | |
1535 | 35.2k | const auto nBufferDTSize = static_cast<int>(bufferDataType.GetSize()); |
1536 | | |
1537 | | // Make sure that arrayStep[i] are positive for sake of simplicity |
1538 | 35.2k | if (negativeStep) |
1539 | 0 | { |
1540 | 0 | #if defined(__GNUC__) |
1541 | 0 | #pragma GCC diagnostic push |
1542 | 0 | #pragma GCC diagnostic ignored "-Wnull-dereference" |
1543 | 0 | #endif |
1544 | 0 | arrayStartIdxMod.resize(nDims); |
1545 | 0 | arrayStepMod.resize(nDims); |
1546 | 0 | bufferStrideMod.resize(nDims); |
1547 | 0 | #if defined(__GNUC__) |
1548 | 0 | #pragma GCC diagnostic pop |
1549 | 0 | #endif |
1550 | 0 | for (size_t i = 0; i < nDims; ++i) |
1551 | 0 | { |
1552 | 0 | if (arrayStep[i] < 0) |
1553 | 0 | { |
1554 | 0 | arrayStartIdxMod[i] = |
1555 | 0 | arrayStartIdx[i] - (count[i] - 1) * (-arrayStep[i]); |
1556 | 0 | arrayStepMod[i] = -arrayStep[i]; |
1557 | 0 | bufferStrideMod[i] = -bufferStride[i]; |
1558 | 0 | pSrcBuffer = |
1559 | 0 | static_cast<const GByte *>(pSrcBuffer) + |
1560 | 0 | bufferStride[i] * |
1561 | 0 | static_cast<GPtrDiff_t>(nBufferDTSize * (count[i] - 1)); |
1562 | 0 | } |
1563 | 0 | else |
1564 | 0 | { |
1565 | 0 | arrayStartIdxMod[i] = arrayStartIdx[i]; |
1566 | 0 | arrayStepMod[i] = arrayStep[i]; |
1567 | 0 | bufferStrideMod[i] = bufferStride[i]; |
1568 | 0 | } |
1569 | 0 | } |
1570 | 0 | arrayStartIdx = arrayStartIdxMod.data(); |
1571 | 0 | arrayStep = arrayStepMod.data(); |
1572 | 0 | bufferStride = bufferStrideMod.data(); |
1573 | 0 | } |
1574 | | |
1575 | 35.2k | std::vector<uint64_t> indicesOuterLoop(nDims + 1); |
1576 | 35.2k | std::vector<const GByte *> srcPtrStackOuterLoop(nDims + 1); |
1577 | | |
1578 | 35.2k | std::vector<size_t> offsetDstBuffer(nDims + 1); |
1579 | 35.2k | std::vector<const GByte *> srcPtrStackInnerLoop(nDims + 1); |
1580 | | |
1581 | 35.2k | std::vector<GPtrDiff_t> srcBufferStrideBytes; |
1582 | 138k | for (size_t i = 0; i < nDims; ++i) |
1583 | 103k | { |
1584 | 103k | srcBufferStrideBytes.push_back(bufferStride[i] * |
1585 | 103k | static_cast<GPtrDiff_t>(nBufferDTSize)); |
1586 | 103k | } |
1587 | 35.2k | srcBufferStrideBytes.push_back(0); |
1588 | | |
1589 | 35.2k | const auto nDTSize = m_oType.GetSize(); |
1590 | | |
1591 | 35.2k | std::vector<uint64_t> tileIndices(nDims); |
1592 | 35.2k | const size_t nNativeSize = |
1593 | 35.2k | m_aoDtypeElts.back().nativeOffset + m_aoDtypeElts.back().nativeSize; |
1594 | | |
1595 | 35.2k | std::vector<size_t> countInnerLoopInit(nDims + 1, 1); |
1596 | 35.2k | std::vector<size_t> countInnerLoop(nDims); |
1597 | | |
1598 | 35.2k | const bool bBothAreNumericDT = m_oType.GetClass() == GEDTC_NUMERIC && |
1599 | 35.2k | bufferDataType.GetClass() == GEDTC_NUMERIC; |
1600 | 35.2k | const bool bSameNumericDT = |
1601 | 35.2k | bBothAreNumericDT && |
1602 | 35.2k | m_oType.GetNumericDataType() == bufferDataType.GetNumericDataType(); |
1603 | 35.2k | const auto nSameDTSize = bSameNumericDT ? m_oType.GetSize() : 0; |
1604 | 35.2k | const bool bSameCompoundAndNoDynamicMem = |
1605 | 35.2k | m_oType.GetClass() == GEDTC_COMPOUND && m_oType == bufferDataType && |
1606 | 35.2k | !m_oType.NeedsFreeDynamicMemory(); |
1607 | | |
1608 | 35.2k | size_t dimIdx = 0; |
1609 | 35.2k | size_t dimIdxForCopy = nDims == 0 ? 0 : nDims - 1; |
1610 | 35.2k | if (nDims) |
1611 | 35.2k | { |
1612 | 43.8k | while (dimIdxForCopy > 0 && count[dimIdxForCopy] == 1) |
1613 | 8.59k | --dimIdxForCopy; |
1614 | 35.2k | } |
1615 | | |
1616 | 35.2k | srcPtrStackOuterLoop[0] = static_cast<const GByte *>(pSrcBuffer); |
1617 | 3.47M | lbl_next_depth: |
1618 | 3.47M | if (dimIdx == nDims) |
1619 | 1.15M | { |
1620 | 1.15M | bool bWriteWholeTile = bWriteWholeTileInit; |
1621 | 1.15M | bool bPartialTile = false; |
1622 | 4.60M | for (size_t i = 0; i < nDims; ++i) |
1623 | 3.45M | { |
1624 | 3.45M | countInnerLoopInit[i] = 1; |
1625 | 3.45M | if (arrayStep[i] != 0) |
1626 | 2.30M | { |
1627 | 2.30M | const auto nextBlockIdx = |
1628 | 2.30M | std::min((1 + indicesOuterLoop[i] / m_anBlockSize[i]) * |
1629 | 2.30M | m_anBlockSize[i], |
1630 | 2.30M | arrayStartIdx[i] + count[i] * arrayStep[i]); |
1631 | 2.30M | countInnerLoopInit[i] = static_cast<size_t>( |
1632 | 2.30M | (nextBlockIdx - indicesOuterLoop[i] + arrayStep[i] - 1) / |
1633 | 2.30M | arrayStep[i]); |
1634 | 2.30M | } |
1635 | 3.45M | if (bWriteWholeTile) |
1636 | 3.44M | { |
1637 | 3.44M | const bool bWholePartialTileThisDim = |
1638 | 3.44M | indicesOuterLoop[i] == 0 && |
1639 | 3.44M | countInnerLoopInit[i] == m_aoDims[i]->GetSize(); |
1640 | 3.44M | bWriteWholeTile = (countInnerLoopInit[i] == m_anBlockSize[i] || |
1641 | 3.44M | bWholePartialTileThisDim); |
1642 | 3.44M | if (bWholePartialTileThisDim) |
1643 | 1.16M | { |
1644 | 1.16M | bPartialTile = true; |
1645 | 1.16M | } |
1646 | 3.44M | } |
1647 | 3.45M | } |
1648 | | |
1649 | 1.15M | size_t dimIdxSubLoop = 0; |
1650 | 1.15M | srcPtrStackInnerLoop[0] = srcPtrStackOuterLoop[nDims]; |
1651 | 1.15M | const size_t nCacheDTSize = |
1652 | 1.15M | m_abyDecodedTileData.empty() ? nNativeSize : nDTSize; |
1653 | 1.15M | auto &abyTile = m_abyDecodedTileData.empty() ? m_abyRawTileData |
1654 | 1.15M | : m_abyDecodedTileData; |
1655 | | |
1656 | 1.15M | if (!tileIndices.empty() && tileIndices == m_anCachedTiledIndices) |
1657 | 232 | { |
1658 | 232 | if (!m_bCachedTiledValid) |
1659 | 0 | return false; |
1660 | 232 | } |
1661 | 1.15M | else |
1662 | 1.15M | { |
1663 | 1.15M | if (!FlushDirtyTile()) |
1664 | 0 | return false; |
1665 | | |
1666 | 1.15M | m_anCachedTiledIndices = tileIndices; |
1667 | 1.15M | m_bCachedTiledValid = true; |
1668 | | |
1669 | 1.15M | if (bWriteWholeTile) |
1670 | 31.0k | { |
1671 | 31.0k | if (bPartialTile) |
1672 | 31.0k | { |
1673 | 31.0k | DeallocateDecodedTileData(); |
1674 | 31.0k | memset(&abyTile[0], 0, abyTile.size()); |
1675 | 31.0k | } |
1676 | 31.0k | } |
1677 | 1.11M | else |
1678 | 1.11M | { |
1679 | | // If we don't write the whole tile, we need to fetch a |
1680 | | // potentially existing one. |
1681 | 1.11M | bool bEmptyTile = false; |
1682 | 1.11M | m_bCachedTiledValid = |
1683 | 1.11M | LoadTileData(tileIndices.data(), bEmptyTile); |
1684 | 1.11M | if (!m_bCachedTiledValid) |
1685 | 0 | { |
1686 | 0 | return false; |
1687 | 0 | } |
1688 | | |
1689 | 1.11M | if (bEmptyTile) |
1690 | 643k | { |
1691 | 643k | DeallocateDecodedTileData(); |
1692 | | |
1693 | 643k | if (m_pabyNoData == nullptr) |
1694 | 643k | { |
1695 | 643k | memset(&abyTile[0], 0, abyTile.size()); |
1696 | 643k | } |
1697 | 8 | else |
1698 | 8 | { |
1699 | 8 | const size_t nElts = abyTile.size() / nCacheDTSize; |
1700 | 8 | GByte *dstPtr = &abyTile[0]; |
1701 | 8 | if (m_oType.GetClass() == GEDTC_NUMERIC) |
1702 | 8 | { |
1703 | 8 | GDALCopyWords64( |
1704 | 8 | m_pabyNoData, m_oType.GetNumericDataType(), 0, |
1705 | 8 | dstPtr, m_oType.GetNumericDataType(), |
1706 | 8 | static_cast<int>(m_oType.GetSize()), |
1707 | 8 | static_cast<GPtrDiff_t>(nElts)); |
1708 | 8 | } |
1709 | 0 | else |
1710 | 0 | { |
1711 | 0 | for (size_t i = 0; i < nElts; ++i) |
1712 | 0 | { |
1713 | 0 | GDALExtendedDataType::CopyValue( |
1714 | 0 | m_pabyNoData, m_oType, dstPtr, m_oType); |
1715 | 0 | dstPtr += nCacheDTSize; |
1716 | 0 | } |
1717 | 0 | } |
1718 | 8 | } |
1719 | 643k | } |
1720 | 1.11M | } |
1721 | 1.15M | } |
1722 | 1.15M | m_bDirtyTile = true; |
1723 | 1.15M | m_bCachedTiledEmpty = false; |
1724 | 1.15M | if (nDims) |
1725 | 1.15M | offsetDstBuffer[0] = static_cast<size_t>( |
1726 | 1.15M | indicesOuterLoop[0] - tileIndices[0] * m_anBlockSize[0]); |
1727 | | |
1728 | 1.15M | GByte *pabyTile = &abyTile[0]; |
1729 | | |
1730 | 6.38M | lbl_next_depth_inner_loop: |
1731 | 6.38M | if (dimIdxSubLoop == dimIdxForCopy) |
1732 | 5.38M | { |
1733 | 5.38M | size_t nOffset = offsetDstBuffer[dimIdxSubLoop]; |
1734 | 5.38M | GInt64 step = nDims == 0 ? 0 : arrayStep[dimIdxSubLoop]; |
1735 | 6.68M | for (size_t i = dimIdxSubLoop + 1; i < nDims; ++i) |
1736 | 1.29M | { |
1737 | 1.29M | nOffset = static_cast<size_t>( |
1738 | 1.29M | nOffset * m_anBlockSize[i] + |
1739 | 1.29M | (indicesOuterLoop[i] - tileIndices[i] * m_anBlockSize[i])); |
1740 | 1.29M | step *= m_anBlockSize[i]; |
1741 | 1.29M | } |
1742 | 5.38M | const void *src_ptr = srcPtrStackInnerLoop[dimIdxSubLoop]; |
1743 | 5.38M | GByte *dst_ptr = pabyTile + nOffset * nCacheDTSize; |
1744 | | |
1745 | 5.38M | if (m_bUseOptimizedCodePaths && bBothAreNumericDT) |
1746 | 5.38M | { |
1747 | 5.38M | if (countInnerLoopInit[dimIdxSubLoop] == 1 && bSameNumericDT) |
1748 | 182k | { |
1749 | 182k | void *dst_ptr_v = dst_ptr; |
1750 | 182k | if (nSameDTSize == 1) |
1751 | 145k | *static_cast<uint8_t *>(dst_ptr_v) = |
1752 | 145k | *static_cast<const uint8_t *>(src_ptr); |
1753 | 37.5k | else if (nSameDTSize == 2) |
1754 | 0 | { |
1755 | 0 | *static_cast<uint16_t *>(dst_ptr_v) = |
1756 | 0 | *static_cast<const uint16_t *>(src_ptr); |
1757 | 0 | } |
1758 | 37.5k | else if (nSameDTSize == 4) |
1759 | 37.5k | { |
1760 | 37.5k | *static_cast<uint32_t *>(dst_ptr_v) = |
1761 | 37.5k | *static_cast<const uint32_t *>(src_ptr); |
1762 | 37.5k | } |
1763 | 68 | else if (nSameDTSize == 8) |
1764 | 68 | { |
1765 | 68 | *static_cast<uint64_t *>(dst_ptr_v) = |
1766 | 68 | *static_cast<const uint64_t *>(src_ptr); |
1767 | 68 | } |
1768 | 0 | else if (nSameDTSize == 16) |
1769 | 0 | { |
1770 | 0 | static_cast<uint64_t *>(dst_ptr_v)[0] = |
1771 | 0 | static_cast<const uint64_t *>(src_ptr)[0]; |
1772 | 0 | static_cast<uint64_t *>(dst_ptr_v)[1] = |
1773 | 0 | static_cast<const uint64_t *>(src_ptr)[1]; |
1774 | 0 | } |
1775 | 0 | else |
1776 | 0 | { |
1777 | 0 | CPLAssert(false); |
1778 | 0 | } |
1779 | 182k | } |
1780 | 5.20M | else if (step <= |
1781 | 5.20M | static_cast<GIntBig>( |
1782 | 5.20M | std::numeric_limits<int>::max() / nDTSize) && |
1783 | 5.20M | srcBufferStrideBytes[dimIdxSubLoop] <= |
1784 | 5.20M | std::numeric_limits<int>::max()) |
1785 | 5.20M | { |
1786 | 5.20M | GDALCopyWords64( |
1787 | 5.20M | src_ptr, bufferDataType.GetNumericDataType(), |
1788 | 5.20M | static_cast<int>(srcBufferStrideBytes[dimIdxSubLoop]), |
1789 | 5.20M | dst_ptr, m_oType.GetNumericDataType(), |
1790 | 5.20M | static_cast<int>(step * nDTSize), |
1791 | 5.20M | static_cast<GPtrDiff_t>( |
1792 | 5.20M | countInnerLoopInit[dimIdxSubLoop])); |
1793 | 5.20M | } |
1794 | 5.38M | goto end_inner_loop; |
1795 | 5.38M | } |
1796 | | |
1797 | 0 | for (size_t i = 0; i < countInnerLoopInit[dimIdxSubLoop]; |
1798 | 0 | ++i, dst_ptr += step * nCacheDTSize, |
1799 | 0 | src_ptr = static_cast<const uint8_t *>(src_ptr) + |
1800 | 0 | srcBufferStrideBytes[dimIdxSubLoop]) |
1801 | 0 | { |
1802 | 0 | if (bSameNumericDT) |
1803 | 0 | { |
1804 | 0 | void *dst_ptr_v = dst_ptr; |
1805 | 0 | if (nSameDTSize == 1) |
1806 | 0 | *static_cast<uint8_t *>(dst_ptr_v) = |
1807 | 0 | *static_cast<const uint8_t *>(src_ptr); |
1808 | 0 | else if (nSameDTSize == 2) |
1809 | 0 | { |
1810 | 0 | *static_cast<uint16_t *>(dst_ptr_v) = |
1811 | 0 | *static_cast<const uint16_t *>(src_ptr); |
1812 | 0 | } |
1813 | 0 | else if (nSameDTSize == 4) |
1814 | 0 | { |
1815 | 0 | *static_cast<uint32_t *>(dst_ptr_v) = |
1816 | 0 | *static_cast<const uint32_t *>(src_ptr); |
1817 | 0 | } |
1818 | 0 | else if (nSameDTSize == 8) |
1819 | 0 | { |
1820 | 0 | *static_cast<uint64_t *>(dst_ptr_v) = |
1821 | 0 | *static_cast<const uint64_t *>(src_ptr); |
1822 | 0 | } |
1823 | 0 | else if (nSameDTSize == 16) |
1824 | 0 | { |
1825 | 0 | static_cast<uint64_t *>(dst_ptr_v)[0] = |
1826 | 0 | static_cast<const uint64_t *>(src_ptr)[0]; |
1827 | 0 | static_cast<uint64_t *>(dst_ptr_v)[1] = |
1828 | 0 | static_cast<const uint64_t *>(src_ptr)[1]; |
1829 | 0 | } |
1830 | 0 | else |
1831 | 0 | { |
1832 | 0 | CPLAssert(false); |
1833 | 0 | } |
1834 | 0 | } |
1835 | 0 | else if (bSameCompoundAndNoDynamicMem) |
1836 | 0 | { |
1837 | 0 | memcpy(dst_ptr, src_ptr, nDTSize); |
1838 | 0 | } |
1839 | 0 | else if (m_oType.GetClass() == GEDTC_STRING) |
1840 | 0 | { |
1841 | 0 | const char *pSrcStr = |
1842 | 0 | *static_cast<const char *const *>(src_ptr); |
1843 | 0 | if (pSrcStr) |
1844 | 0 | { |
1845 | 0 | const size_t nLen = strlen(pSrcStr); |
1846 | 0 | if (m_aoDtypeElts.back().nativeType == |
1847 | 0 | DtypeElt::NativeType::STRING_UNICODE) |
1848 | 0 | { |
1849 | 0 | try |
1850 | 0 | { |
1851 | 0 | const auto ucs4 = UTF8ToUCS4( |
1852 | 0 | pSrcStr, |
1853 | 0 | m_aoDtypeElts.back().needByteSwapping); |
1854 | 0 | const auto ucs4Len = ucs4.size(); |
1855 | 0 | memcpy(dst_ptr, ucs4.data(), |
1856 | 0 | std::min(ucs4Len, nNativeSize)); |
1857 | 0 | if (ucs4Len > nNativeSize) |
1858 | 0 | { |
1859 | 0 | CPLError(CE_Warning, CPLE_AppDefined, |
1860 | 0 | "Too long string truncated"); |
1861 | 0 | } |
1862 | 0 | else if (ucs4Len < nNativeSize) |
1863 | 0 | { |
1864 | 0 | memset(dst_ptr + ucs4Len, 0, |
1865 | 0 | nNativeSize - ucs4Len); |
1866 | 0 | } |
1867 | 0 | } |
1868 | 0 | catch (const std::exception &) |
1869 | 0 | { |
1870 | 0 | memset(dst_ptr, 0, nNativeSize); |
1871 | 0 | } |
1872 | 0 | } |
1873 | 0 | else |
1874 | 0 | { |
1875 | 0 | memcpy(dst_ptr, pSrcStr, |
1876 | 0 | std::min(nLen, nNativeSize)); |
1877 | 0 | if (nLen < nNativeSize) |
1878 | 0 | memset(dst_ptr + nLen, 0, nNativeSize - nLen); |
1879 | 0 | } |
1880 | 0 | } |
1881 | 0 | else |
1882 | 0 | { |
1883 | 0 | memset(dst_ptr, 0, nNativeSize); |
1884 | 0 | } |
1885 | 0 | } |
1886 | 0 | else |
1887 | 0 | { |
1888 | 0 | if (m_oType.NeedsFreeDynamicMemory()) |
1889 | 0 | m_oType.FreeDynamicMemory(dst_ptr); |
1890 | 0 | GDALExtendedDataType::CopyValue(src_ptr, bufferDataType, |
1891 | 0 | dst_ptr, m_oType); |
1892 | 0 | } |
1893 | 0 | } |
1894 | 0 | } |
1895 | 1.00M | else |
1896 | 1.00M | { |
1897 | | // This level of loop loops over individual samples, within a |
1898 | | // block |
1899 | 1.00M | countInnerLoop[dimIdxSubLoop] = countInnerLoopInit[dimIdxSubLoop]; |
1900 | 5.23M | while (true) |
1901 | 5.23M | { |
1902 | 5.23M | dimIdxSubLoop++; |
1903 | 5.23M | srcPtrStackInnerLoop[dimIdxSubLoop] = |
1904 | 5.23M | srcPtrStackInnerLoop[dimIdxSubLoop - 1]; |
1905 | 5.23M | offsetDstBuffer[dimIdxSubLoop] = |
1906 | 5.23M | static_cast<size_t>(offsetDstBuffer[dimIdxSubLoop - 1] * |
1907 | 5.23M | m_anBlockSize[dimIdxSubLoop] + |
1908 | 5.23M | (indicesOuterLoop[dimIdxSubLoop] - |
1909 | 5.23M | tileIndices[dimIdxSubLoop] * |
1910 | 5.23M | m_anBlockSize[dimIdxSubLoop])); |
1911 | 5.23M | goto lbl_next_depth_inner_loop; |
1912 | 5.23M | lbl_return_to_caller_inner_loop: |
1913 | 5.23M | dimIdxSubLoop--; |
1914 | 5.23M | --countInnerLoop[dimIdxSubLoop]; |
1915 | 5.23M | if (countInnerLoop[dimIdxSubLoop] == 0) |
1916 | 1.00M | { |
1917 | 1.00M | break; |
1918 | 1.00M | } |
1919 | 4.23M | srcPtrStackInnerLoop[dimIdxSubLoop] += |
1920 | 4.23M | srcBufferStrideBytes[dimIdxSubLoop]; |
1921 | 4.23M | offsetDstBuffer[dimIdxSubLoop] += |
1922 | 4.23M | static_cast<size_t>(arrayStep[dimIdxSubLoop]); |
1923 | 4.23M | } |
1924 | 1.00M | } |
1925 | 6.38M | end_inner_loop: |
1926 | 6.38M | if (dimIdxSubLoop > 0) |
1927 | 5.23M | goto lbl_return_to_caller_inner_loop; |
1928 | 6.38M | } |
1929 | 2.32M | else |
1930 | 2.32M | { |
1931 | | // This level of loop loops over blocks |
1932 | 2.32M | indicesOuterLoop[dimIdx] = arrayStartIdx[dimIdx]; |
1933 | 2.32M | tileIndices[dimIdx] = indicesOuterLoop[dimIdx] / m_anBlockSize[dimIdx]; |
1934 | 3.44M | while (true) |
1935 | 3.44M | { |
1936 | 3.44M | dimIdx++; |
1937 | 3.44M | srcPtrStackOuterLoop[dimIdx] = srcPtrStackOuterLoop[dimIdx - 1]; |
1938 | 3.44M | goto lbl_next_depth; |
1939 | 3.44M | lbl_return_to_caller: |
1940 | 3.44M | dimIdx--; |
1941 | 3.44M | if (count[dimIdx] == 1 || arrayStep[dimIdx] == 0) |
1942 | 1.32M | break; |
1943 | | |
1944 | 2.11M | size_t nIncr; |
1945 | 2.11M | if (static_cast<GUInt64>(arrayStep[dimIdx]) < m_anBlockSize[dimIdx]) |
1946 | 997k | { |
1947 | | // Compute index at next block boundary |
1948 | 997k | auto newIdx = |
1949 | 997k | indicesOuterLoop[dimIdx] + |
1950 | 997k | (m_anBlockSize[dimIdx] - |
1951 | 997k | (indicesOuterLoop[dimIdx] % m_anBlockSize[dimIdx])); |
1952 | | // And round up compared to arrayStartIdx, arrayStep |
1953 | 997k | nIncr = static_cast<size_t>((newIdx - indicesOuterLoop[dimIdx] + |
1954 | 997k | arrayStep[dimIdx] - 1) / |
1955 | 997k | arrayStep[dimIdx]); |
1956 | 997k | } |
1957 | 1.11M | else |
1958 | 1.11M | { |
1959 | 1.11M | nIncr = 1; |
1960 | 1.11M | } |
1961 | 2.11M | indicesOuterLoop[dimIdx] += nIncr * arrayStep[dimIdx]; |
1962 | 2.11M | if (indicesOuterLoop[dimIdx] > |
1963 | 2.11M | arrayStartIdx[dimIdx] + (count[dimIdx] - 1) * arrayStep[dimIdx]) |
1964 | 996k | break; |
1965 | 1.11M | srcPtrStackOuterLoop[dimIdx] += |
1966 | 1.11M | bufferStride[dimIdx] * |
1967 | 1.11M | static_cast<GPtrDiff_t>(nIncr * nBufferDTSize); |
1968 | 1.11M | tileIndices[dimIdx] = |
1969 | 1.11M | indicesOuterLoop[dimIdx] / m_anBlockSize[dimIdx]; |
1970 | 1.11M | } |
1971 | 2.32M | } |
1972 | 3.47M | if (dimIdx > 0) |
1973 | 3.44M | goto lbl_return_to_caller; |
1974 | | |
1975 | 35.2k | return true; |
1976 | 3.47M | } |
1977 | | |
1978 | | /************************************************************************/ |
1979 | | /* ZarrArray::IsEmptyTile() */ |
1980 | | /************************************************************************/ |
1981 | | |
1982 | | bool ZarrArray::IsEmptyTile(const ZarrByteVectorQuickResize &abyTile) const |
1983 | 1.15M | { |
1984 | 1.15M | if (m_pabyNoData == nullptr || (m_oType.GetClass() == GEDTC_NUMERIC && |
1985 | 33 | GetNoDataValueAsDouble() == 0.0)) |
1986 | 1.15M | { |
1987 | 1.15M | const size_t nBytes = abyTile.size(); |
1988 | 1.15M | size_t i = 0; |
1989 | 50.9M | for (; i + (sizeof(size_t) - 1) < nBytes; i += sizeof(size_t)) |
1990 | 50.3M | { |
1991 | 50.3M | if (*reinterpret_cast<const size_t *>(abyTile.data() + i) != 0) |
1992 | 530k | { |
1993 | 530k | return false; |
1994 | 530k | } |
1995 | 50.3M | } |
1996 | 2.88M | for (; i < nBytes; ++i) |
1997 | 2.27M | { |
1998 | 2.27M | if (abyTile[i] != 0) |
1999 | 3.72k | { |
2000 | 3.72k | return false; |
2001 | 3.72k | } |
2002 | 2.27M | } |
2003 | 616k | return true; |
2004 | 620k | } |
2005 | 1 | else if (m_oType.GetClass() == GEDTC_NUMERIC && |
2006 | 1 | !GDALDataTypeIsComplex(m_oType.GetNumericDataType())) |
2007 | 1 | { |
2008 | 1 | const int nDTSize = static_cast<int>(m_oType.GetSize()); |
2009 | 1 | const size_t nElts = abyTile.size() / nDTSize; |
2010 | 1 | const auto eDT = m_oType.GetNumericDataType(); |
2011 | 1 | return GDALBufferHasOnlyNoData(abyTile.data(), GetNoDataValueAsDouble(), |
2012 | 1 | nElts, // nWidth |
2013 | 1 | 1, // nHeight |
2014 | 1 | nElts, // nLineStride |
2015 | 1 | 1, // nComponents |
2016 | 1 | nDTSize * 8, // nBitsPerSample |
2017 | 1 | GDALDataTypeIsInteger(eDT) |
2018 | 1 | ? (GDALDataTypeIsSigned(eDT) |
2019 | 1 | ? GSF_SIGNED_INT |
2020 | 1 | : GSF_UNSIGNED_INT) |
2021 | 1 | : GSF_FLOATING_POINT); |
2022 | 1 | } |
2023 | 0 | return false; |
2024 | 1.15M | } |
2025 | | |
2026 | | /************************************************************************/ |
2027 | | /* ZarrArray::OpenTilePresenceCache() */ |
2028 | | /************************************************************************/ |
2029 | | |
2030 | | std::shared_ptr<GDALMDArray> |
2031 | | ZarrArray::OpenTilePresenceCache(bool bCanCreate) const |
2032 | 1.27M | { |
2033 | 1.27M | if (m_bHasTriedCacheTilePresenceArray) |
2034 | 1.25M | return m_poCacheTilePresenceArray; |
2035 | 14.4k | m_bHasTriedCacheTilePresenceArray = true; |
2036 | | |
2037 | 14.4k | if (m_nTotalTileCount == 1) |
2038 | 9.08k | return nullptr; |
2039 | | |
2040 | 5.39k | std::string osCacheFilename; |
2041 | 5.39k | auto poRGCache = GetCacheRootGroup(bCanCreate, osCacheFilename); |
2042 | 5.39k | if (!poRGCache) |
2043 | 5.30k | return nullptr; |
2044 | | |
2045 | 88 | const std::string osTilePresenceArrayName(MassageName(GetFullName()) + |
2046 | 88 | "_tile_presence"); |
2047 | 88 | auto poTilePresenceArray = poRGCache->OpenMDArray(osTilePresenceArrayName); |
2048 | 88 | const auto eByteDT = GDALExtendedDataType::Create(GDT_Byte); |
2049 | 88 | if (poTilePresenceArray) |
2050 | 0 | { |
2051 | 0 | bool ok = true; |
2052 | 0 | const auto &apoDimsCache = poTilePresenceArray->GetDimensions(); |
2053 | 0 | if (poTilePresenceArray->GetDataType() != eByteDT || |
2054 | 0 | apoDimsCache.size() != m_aoDims.size()) |
2055 | 0 | { |
2056 | 0 | ok = false; |
2057 | 0 | } |
2058 | 0 | else |
2059 | 0 | { |
2060 | 0 | for (size_t i = 0; i < m_aoDims.size(); i++) |
2061 | 0 | { |
2062 | 0 | const auto nExpectedDimSize = |
2063 | 0 | (m_aoDims[i]->GetSize() + m_anBlockSize[i] - 1) / |
2064 | 0 | m_anBlockSize[i]; |
2065 | 0 | if (apoDimsCache[i]->GetSize() != nExpectedDimSize) |
2066 | 0 | { |
2067 | 0 | ok = false; |
2068 | 0 | break; |
2069 | 0 | } |
2070 | 0 | } |
2071 | 0 | } |
2072 | 0 | if (!ok) |
2073 | 0 | { |
2074 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
2075 | 0 | "Array %s in %s has not expected characteristics", |
2076 | 0 | osTilePresenceArrayName.c_str(), osCacheFilename.c_str()); |
2077 | 0 | return nullptr; |
2078 | 0 | } |
2079 | | |
2080 | 0 | if (!poTilePresenceArray->GetAttribute("filling_status") && !bCanCreate) |
2081 | 0 | { |
2082 | 0 | CPLDebug(ZARR_DEBUG_KEY, |
2083 | 0 | "Cache tile presence array for %s found, but filling not " |
2084 | 0 | "finished", |
2085 | 0 | GetFullName().c_str()); |
2086 | 0 | return nullptr; |
2087 | 0 | } |
2088 | | |
2089 | 0 | CPLDebug(ZARR_DEBUG_KEY, "Using cache tile presence for %s", |
2090 | 0 | GetFullName().c_str()); |
2091 | 0 | } |
2092 | 88 | else if (bCanCreate) |
2093 | 0 | { |
2094 | 0 | int idxDim = 0; |
2095 | 0 | std::string osBlockSize; |
2096 | 0 | std::vector<std::shared_ptr<GDALDimension>> apoNewDims; |
2097 | 0 | for (const auto &poDim : m_aoDims) |
2098 | 0 | { |
2099 | 0 | auto poNewDim = poRGCache->CreateDimension( |
2100 | 0 | osTilePresenceArrayName + '_' + std::to_string(idxDim), |
2101 | 0 | std::string(), std::string(), |
2102 | 0 | (poDim->GetSize() + m_anBlockSize[idxDim] - 1) / |
2103 | 0 | m_anBlockSize[idxDim]); |
2104 | 0 | if (!poNewDim) |
2105 | 0 | return nullptr; |
2106 | 0 | apoNewDims.emplace_back(poNewDim); |
2107 | |
|
2108 | 0 | if (!osBlockSize.empty()) |
2109 | 0 | osBlockSize += ','; |
2110 | 0 | constexpr GUInt64 BLOCKSIZE = 256; |
2111 | 0 | osBlockSize += |
2112 | 0 | std::to_string(std::min(poNewDim->GetSize(), BLOCKSIZE)); |
2113 | |
|
2114 | 0 | idxDim++; |
2115 | 0 | } |
2116 | | |
2117 | 0 | CPLStringList aosOptionsTilePresence; |
2118 | 0 | aosOptionsTilePresence.SetNameValue("BLOCKSIZE", osBlockSize.c_str()); |
2119 | 0 | poTilePresenceArray = |
2120 | 0 | poRGCache->CreateMDArray(osTilePresenceArrayName, apoNewDims, |
2121 | 0 | eByteDT, aosOptionsTilePresence.List()); |
2122 | 0 | if (!poTilePresenceArray) |
2123 | 0 | { |
2124 | 0 | CPLError(CE_Failure, CPLE_NotSupported, "Cannot create %s in %s", |
2125 | 0 | osTilePresenceArrayName.c_str(), osCacheFilename.c_str()); |
2126 | 0 | return nullptr; |
2127 | 0 | } |
2128 | 0 | poTilePresenceArray->SetNoDataValue(0); |
2129 | 0 | } |
2130 | 88 | else |
2131 | 88 | { |
2132 | 88 | return nullptr; |
2133 | 88 | } |
2134 | | |
2135 | 0 | m_poCacheTilePresenceArray = poTilePresenceArray; |
2136 | |
|
2137 | 0 | return poTilePresenceArray; |
2138 | 88 | } |
2139 | | |
2140 | | /************************************************************************/ |
2141 | | /* ZarrArray::CacheTilePresence() */ |
2142 | | /************************************************************************/ |
2143 | | |
2144 | | bool ZarrArray::CacheTilePresence() |
2145 | 0 | { |
2146 | 0 | if (m_nTotalTileCount == 1) |
2147 | 0 | return true; |
2148 | | |
2149 | 0 | const std::string osDirectoryName = GetDataDirectory(); |
2150 | |
|
2151 | 0 | struct DirCloser |
2152 | 0 | { |
2153 | 0 | DirCloser(const DirCloser &) = delete; |
2154 | 0 | DirCloser &operator=(const DirCloser &) = delete; |
2155 | |
|
2156 | 0 | VSIDIR *m_psDir; |
2157 | |
|
2158 | 0 | explicit DirCloser(VSIDIR *psDir) : m_psDir(psDir) |
2159 | 0 | { |
2160 | 0 | } |
2161 | |
|
2162 | 0 | ~DirCloser() |
2163 | 0 | { |
2164 | 0 | VSICloseDir(m_psDir); |
2165 | 0 | } |
2166 | 0 | }; |
2167 | |
|
2168 | 0 | auto psDir = VSIOpenDir(osDirectoryName.c_str(), -1, nullptr); |
2169 | 0 | if (!psDir) |
2170 | 0 | return false; |
2171 | 0 | DirCloser dirCloser(psDir); |
2172 | |
|
2173 | 0 | auto poTilePresenceArray = OpenTilePresenceCache(true); |
2174 | 0 | if (!poTilePresenceArray) |
2175 | 0 | { |
2176 | 0 | return false; |
2177 | 0 | } |
2178 | | |
2179 | 0 | if (poTilePresenceArray->GetAttribute("filling_status")) |
2180 | 0 | { |
2181 | 0 | CPLDebug(ZARR_DEBUG_KEY, |
2182 | 0 | "CacheTilePresence(): %s already filled. Nothing to do", |
2183 | 0 | poTilePresenceArray->GetName().c_str()); |
2184 | 0 | return true; |
2185 | 0 | } |
2186 | | |
2187 | 0 | std::vector<GUInt64> anTileIdx(m_aoDims.size()); |
2188 | 0 | const std::vector<size_t> anCount(m_aoDims.size(), 1); |
2189 | 0 | const std::vector<GInt64> anArrayStep(m_aoDims.size(), 0); |
2190 | 0 | const std::vector<GPtrDiff_t> anBufferStride(m_aoDims.size(), 0); |
2191 | 0 | const auto &apoDimsCache = poTilePresenceArray->GetDimensions(); |
2192 | 0 | const auto eByteDT = GDALExtendedDataType::Create(GDT_Byte); |
2193 | |
|
2194 | 0 | CPLDebug(ZARR_DEBUG_KEY, |
2195 | 0 | "CacheTilePresence(): Iterating over %s to find which tiles are " |
2196 | 0 | "present...", |
2197 | 0 | osDirectoryName.c_str()); |
2198 | 0 | uint64_t nCounter = 0; |
2199 | 0 | const char chSrcFilenameDirSeparator = |
2200 | 0 | VSIGetDirectorySeparator(osDirectoryName.c_str())[0]; |
2201 | 0 | while (const VSIDIREntry *psEntry = VSIGetNextDirEntry(psDir)) |
2202 | 0 | { |
2203 | 0 | if (!VSI_ISDIR(psEntry->nMode)) |
2204 | 0 | { |
2205 | 0 | const CPLStringList aosTokens = GetTileIndicesFromFilename( |
2206 | 0 | CPLString(psEntry->pszName) |
2207 | 0 | .replaceAll(chSrcFilenameDirSeparator, '/') |
2208 | 0 | .c_str()); |
2209 | 0 | if (aosTokens.size() == static_cast<int>(m_aoDims.size())) |
2210 | 0 | { |
2211 | | // Get tile indices from filename |
2212 | 0 | bool unexpectedIndex = false; |
2213 | 0 | for (int i = 0; i < aosTokens.size(); ++i) |
2214 | 0 | { |
2215 | 0 | if (CPLGetValueType(aosTokens[i]) != CPL_VALUE_INTEGER) |
2216 | 0 | { |
2217 | 0 | unexpectedIndex = true; |
2218 | 0 | } |
2219 | 0 | anTileIdx[i] = |
2220 | 0 | static_cast<GUInt64>(CPLAtoGIntBig(aosTokens[i])); |
2221 | 0 | if (anTileIdx[i] >= apoDimsCache[i]->GetSize()) |
2222 | 0 | { |
2223 | 0 | unexpectedIndex = true; |
2224 | 0 | } |
2225 | 0 | } |
2226 | 0 | if (unexpectedIndex) |
2227 | 0 | { |
2228 | 0 | continue; |
2229 | 0 | } |
2230 | | |
2231 | 0 | nCounter++; |
2232 | 0 | if ((nCounter % 1000) == 0) |
2233 | 0 | { |
2234 | 0 | CPLDebug(ZARR_DEBUG_KEY, |
2235 | 0 | "CacheTilePresence(): Listing in progress " |
2236 | 0 | "(last examined %s, at least %.02f %% completed)", |
2237 | 0 | psEntry->pszName, |
2238 | 0 | 100.0 * double(nCounter) / |
2239 | 0 | double(m_nTotalTileCount)); |
2240 | 0 | } |
2241 | 0 | constexpr GByte byOne = 1; |
2242 | | // CPLDebugOnly(ZARR_DEBUG_KEY, "Marking %s has present", |
2243 | | // psEntry->pszName); |
2244 | 0 | if (!poTilePresenceArray->Write( |
2245 | 0 | anTileIdx.data(), anCount.data(), anArrayStep.data(), |
2246 | 0 | anBufferStride.data(), eByteDT, &byOne)) |
2247 | 0 | { |
2248 | 0 | return false; |
2249 | 0 | } |
2250 | 0 | } |
2251 | 0 | } |
2252 | 0 | } |
2253 | 0 | CPLDebug(ZARR_DEBUG_KEY, "CacheTilePresence(): finished"); |
2254 | | |
2255 | | // Write filling_status attribute |
2256 | 0 | auto poAttr = poTilePresenceArray->CreateAttribute( |
2257 | 0 | "filling_status", {}, GDALExtendedDataType::CreateString(), nullptr); |
2258 | 0 | if (poAttr) |
2259 | 0 | { |
2260 | 0 | if (nCounter == 0) |
2261 | 0 | poAttr->Write("no_tile_present"); |
2262 | 0 | else if (nCounter == m_nTotalTileCount) |
2263 | 0 | poAttr->Write("all_tiles_present"); |
2264 | 0 | else |
2265 | 0 | poAttr->Write("some_tiles_missing"); |
2266 | 0 | } |
2267 | | |
2268 | | // Force closing |
2269 | 0 | m_poCacheTilePresenceArray = nullptr; |
2270 | 0 | m_bHasTriedCacheTilePresenceArray = false; |
2271 | |
|
2272 | 0 | return true; |
2273 | 0 | } |
2274 | | |
2275 | | /************************************************************************/ |
2276 | | /* ZarrArray::CreateAttribute() */ |
2277 | | /************************************************************************/ |
2278 | | |
2279 | | std::shared_ptr<GDALAttribute> ZarrArray::CreateAttribute( |
2280 | | const std::string &osName, const std::vector<GUInt64> &anDimensions, |
2281 | | const GDALExtendedDataType &oDataType, CSLConstList papszOptions) |
2282 | 5.27k | { |
2283 | 5.27k | if (!CheckValidAndErrorOutIfNot()) |
2284 | 0 | return nullptr; |
2285 | | |
2286 | 5.27k | if (!m_bUpdatable) |
2287 | 0 | { |
2288 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
2289 | 0 | "Dataset not open in update mode"); |
2290 | 0 | return nullptr; |
2291 | 0 | } |
2292 | 5.27k | if (anDimensions.size() >= 2) |
2293 | 0 | { |
2294 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
2295 | 0 | "Cannot create attributes of dimension >= 2"); |
2296 | 0 | return nullptr; |
2297 | 0 | } |
2298 | 5.27k | return m_oAttrGroup.CreateAttribute(osName, anDimensions, oDataType, |
2299 | 5.27k | papszOptions); |
2300 | 5.27k | } |
2301 | | |
2302 | | /************************************************************************/ |
2303 | | /* ZarrGroupBase::DeleteAttribute() */ |
2304 | | /************************************************************************/ |
2305 | | |
2306 | | bool ZarrArray::DeleteAttribute(const std::string &osName, CSLConstList) |
2307 | 0 | { |
2308 | 0 | if (!CheckValidAndErrorOutIfNot()) |
2309 | 0 | return false; |
2310 | | |
2311 | 0 | if (!m_bUpdatable) |
2312 | 0 | { |
2313 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
2314 | 0 | "Dataset not open in update mode"); |
2315 | 0 | return false; |
2316 | 0 | } |
2317 | | |
2318 | 0 | return m_oAttrGroup.DeleteAttribute(osName); |
2319 | 0 | } |
2320 | | |
2321 | | /************************************************************************/ |
2322 | | /* ZarrArray::SetSpatialRef() */ |
2323 | | /************************************************************************/ |
2324 | | |
2325 | | bool ZarrArray::SetSpatialRef(const OGRSpatialReference *poSRS) |
2326 | 22 | { |
2327 | 22 | if (!CheckValidAndErrorOutIfNot()) |
2328 | 0 | return false; |
2329 | | |
2330 | 22 | if (!m_bUpdatable) |
2331 | 0 | { |
2332 | 0 | return GDALPamMDArray::SetSpatialRef(poSRS); |
2333 | 0 | } |
2334 | 22 | m_poSRS.reset(); |
2335 | 22 | if (poSRS) |
2336 | 22 | m_poSRS.reset(poSRS->Clone()); |
2337 | 22 | m_bSRSModified = true; |
2338 | 22 | return true; |
2339 | 22 | } |
2340 | | |
2341 | | /************************************************************************/ |
2342 | | /* ZarrArray::SetUnit() */ |
2343 | | /************************************************************************/ |
2344 | | |
2345 | | bool ZarrArray::SetUnit(const std::string &osUnit) |
2346 | 0 | { |
2347 | 0 | if (!CheckValidAndErrorOutIfNot()) |
2348 | 0 | return false; |
2349 | | |
2350 | 0 | if (!m_bUpdatable) |
2351 | 0 | { |
2352 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
2353 | 0 | "Dataset not open in update mode"); |
2354 | 0 | return false; |
2355 | 0 | } |
2356 | 0 | m_osUnit = osUnit; |
2357 | 0 | m_bUnitModified = true; |
2358 | 0 | return true; |
2359 | 0 | } |
2360 | | |
2361 | | /************************************************************************/ |
2362 | | /* ZarrArray::GetOffset() */ |
2363 | | /************************************************************************/ |
2364 | | |
2365 | | double ZarrArray::GetOffset(bool *pbHasOffset, |
2366 | | GDALDataType *peStorageType) const |
2367 | 15.7k | { |
2368 | 15.7k | if (pbHasOffset) |
2369 | 2.47k | *pbHasOffset = m_bHasOffset; |
2370 | 15.7k | if (peStorageType) |
2371 | 0 | *peStorageType = GDT_Unknown; |
2372 | 15.7k | return m_dfOffset; |
2373 | 15.7k | } |
2374 | | |
2375 | | /************************************************************************/ |
2376 | | /* ZarrArray::GetScale() */ |
2377 | | /************************************************************************/ |
2378 | | |
2379 | | double ZarrArray::GetScale(bool *pbHasScale, GDALDataType *peStorageType) const |
2380 | 15.7k | { |
2381 | 15.7k | if (pbHasScale) |
2382 | 2.47k | *pbHasScale = m_bHasScale; |
2383 | 15.7k | if (peStorageType) |
2384 | 0 | *peStorageType = GDT_Unknown; |
2385 | 15.7k | return m_dfScale; |
2386 | 15.7k | } |
2387 | | |
2388 | | /************************************************************************/ |
2389 | | /* ZarrArray::SetOffset() */ |
2390 | | /************************************************************************/ |
2391 | | |
2392 | | bool ZarrArray::SetOffset(double dfOffset, GDALDataType /* eStorageType */) |
2393 | 0 | { |
2394 | 0 | if (!CheckValidAndErrorOutIfNot()) |
2395 | 0 | return false; |
2396 | | |
2397 | 0 | m_dfOffset = dfOffset; |
2398 | 0 | m_bHasOffset = true; |
2399 | 0 | m_bOffsetModified = true; |
2400 | 0 | return true; |
2401 | 0 | } |
2402 | | |
2403 | | /************************************************************************/ |
2404 | | /* ZarrArray::SetScale() */ |
2405 | | /************************************************************************/ |
2406 | | |
2407 | | bool ZarrArray::SetScale(double dfScale, GDALDataType /* eStorageType */) |
2408 | 4 | { |
2409 | 4 | if (!CheckValidAndErrorOutIfNot()) |
2410 | 0 | return false; |
2411 | | |
2412 | 4 | m_dfScale = dfScale; |
2413 | 4 | m_bHasScale = true; |
2414 | 4 | m_bScaleModified = true; |
2415 | 4 | return true; |
2416 | 4 | } |
2417 | | |
2418 | | /************************************************************************/ |
2419 | | /* GetDimensionTypeDirection() */ |
2420 | | /************************************************************************/ |
2421 | | |
2422 | | /* static */ |
2423 | | void ZarrArray::GetDimensionTypeDirection(CPLJSONObject &oAttributes, |
2424 | | std::string &osType, |
2425 | | std::string &osDirection) |
2426 | 18.2k | { |
2427 | 18.2k | std::string osUnit; |
2428 | 18.2k | const auto unit = oAttributes[CF_UNITS]; |
2429 | 18.2k | if (unit.GetType() == CPLJSONObject::Type::String) |
2430 | 4.95k | { |
2431 | 4.95k | osUnit = unit.ToString(); |
2432 | 4.95k | } |
2433 | | |
2434 | 18.2k | const auto oStdName = oAttributes[CF_STD_NAME]; |
2435 | 18.2k | if (oStdName.GetType() == CPLJSONObject::Type::String) |
2436 | 8.55k | { |
2437 | 8.55k | const auto osStdName = oStdName.ToString(); |
2438 | 8.55k | if (osStdName == CF_PROJ_X_COORD || osStdName == CF_LONGITUDE_STD_NAME) |
2439 | 2.24k | { |
2440 | 2.24k | osType = GDAL_DIM_TYPE_HORIZONTAL_X; |
2441 | 2.24k | oAttributes.Delete(CF_STD_NAME); |
2442 | 2.24k | if (osUnit == CF_DEGREES_EAST) |
2443 | 883 | { |
2444 | 883 | osDirection = "EAST"; |
2445 | 883 | } |
2446 | 2.24k | } |
2447 | 6.31k | else if (osStdName == CF_PROJ_Y_COORD || |
2448 | 6.31k | osStdName == CF_LATITUDE_STD_NAME) |
2449 | 2.52k | { |
2450 | 2.52k | osType = GDAL_DIM_TYPE_HORIZONTAL_Y; |
2451 | 2.52k | oAttributes.Delete(CF_STD_NAME); |
2452 | 2.52k | if (osUnit == CF_DEGREES_NORTH) |
2453 | 526 | { |
2454 | 526 | osDirection = "NORTH"; |
2455 | 526 | } |
2456 | 2.52k | } |
2457 | 3.79k | else if (osStdName == "time") |
2458 | 1.67k | { |
2459 | 1.67k | osType = GDAL_DIM_TYPE_TEMPORAL; |
2460 | 1.67k | oAttributes.Delete(CF_STD_NAME); |
2461 | 1.67k | } |
2462 | 8.55k | } |
2463 | | |
2464 | 18.2k | const auto osAxis = oAttributes[CF_AXIS].ToString(); |
2465 | 18.2k | if (osAxis == "Z") |
2466 | 0 | { |
2467 | 0 | osType = GDAL_DIM_TYPE_VERTICAL; |
2468 | 0 | const auto osPositive = oAttributes["positive"].ToString(); |
2469 | 0 | if (osPositive == "up") |
2470 | 0 | { |
2471 | 0 | osDirection = "UP"; |
2472 | 0 | oAttributes.Delete("positive"); |
2473 | 0 | } |
2474 | 0 | else if (osPositive == "down") |
2475 | 0 | { |
2476 | 0 | osDirection = "DOWN"; |
2477 | 0 | oAttributes.Delete("positive"); |
2478 | 0 | } |
2479 | 0 | oAttributes.Delete(CF_AXIS); |
2480 | 0 | } |
2481 | 18.2k | } |
2482 | | |
2483 | | /************************************************************************/ |
2484 | | /* GetCoordinateVariables() */ |
2485 | | /************************************************************************/ |
2486 | | |
2487 | | std::vector<std::shared_ptr<GDALMDArray>> |
2488 | | ZarrArray::GetCoordinateVariables() const |
2489 | 13.3k | { |
2490 | 13.3k | if (!CheckValidAndErrorOutIfNot()) |
2491 | 0 | return {}; |
2492 | | |
2493 | 13.3k | std::vector<std::shared_ptr<GDALMDArray>> ret; |
2494 | 13.3k | const auto poCoordinates = GetAttribute("coordinates"); |
2495 | 13.3k | if (poCoordinates && |
2496 | 13.3k | poCoordinates->GetDataType().GetClass() == GEDTC_STRING && |
2497 | 13.3k | poCoordinates->GetDimensionCount() == 0) |
2498 | 78 | { |
2499 | 78 | const char *pszCoordinates = poCoordinates->ReadAsString(); |
2500 | 78 | if (pszCoordinates) |
2501 | 78 | { |
2502 | 78 | auto poGroup = m_poGroupWeak.lock(); |
2503 | 78 | if (!poGroup) |
2504 | 0 | { |
2505 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
2506 | 0 | "Cannot access coordinate variables of %s has " |
2507 | 0 | "belonging group has gone out of scope", |
2508 | 0 | GetName().c_str()); |
2509 | 0 | } |
2510 | 78 | else |
2511 | 78 | { |
2512 | 78 | const CPLStringList aosNames( |
2513 | 78 | CSLTokenizeString2(pszCoordinates, " ", 0)); |
2514 | 129k | for (int i = 0; i < aosNames.size(); i++) |
2515 | 129k | { |
2516 | 129k | auto poCoordinateVar = poGroup->OpenMDArray(aosNames[i]); |
2517 | 129k | if (poCoordinateVar) |
2518 | 17.4k | { |
2519 | 17.4k | ret.emplace_back(poCoordinateVar); |
2520 | 17.4k | } |
2521 | 112k | else |
2522 | 112k | { |
2523 | 112k | CPLError(CE_Warning, CPLE_AppDefined, |
2524 | 112k | "Cannot find variable corresponding to " |
2525 | 112k | "coordinate %s", |
2526 | 112k | aosNames[i]); |
2527 | 112k | } |
2528 | 129k | } |
2529 | 78 | } |
2530 | 78 | } |
2531 | 78 | } |
2532 | | |
2533 | 13.3k | return ret; |
2534 | 13.3k | } |
2535 | | |
2536 | | /************************************************************************/ |
2537 | | /* Resize() */ |
2538 | | /************************************************************************/ |
2539 | | |
2540 | | bool ZarrArray::Resize(const std::vector<GUInt64> &anNewDimSizes, |
2541 | | CSLConstList /* papszOptions */) |
2542 | 0 | { |
2543 | 0 | if (!CheckValidAndErrorOutIfNot()) |
2544 | 0 | return false; |
2545 | | |
2546 | 0 | if (!IsWritable()) |
2547 | 0 | { |
2548 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
2549 | 0 | "Resize() not supported on read-only file"); |
2550 | 0 | return false; |
2551 | 0 | } |
2552 | | |
2553 | 0 | const auto nDimCount = GetDimensionCount(); |
2554 | 0 | if (anNewDimSizes.size() != nDimCount) |
2555 | 0 | { |
2556 | 0 | CPLError(CE_Failure, CPLE_IllegalArg, |
2557 | 0 | "Not expected number of values in anNewDimSizes."); |
2558 | 0 | return false; |
2559 | 0 | } |
2560 | | |
2561 | 0 | auto &dims = GetDimensions(); |
2562 | 0 | std::vector<size_t> anGrownDimIdx; |
2563 | 0 | std::map<GDALDimension *, GUInt64> oMapDimToSize; |
2564 | 0 | for (size_t i = 0; i < nDimCount; ++i) |
2565 | 0 | { |
2566 | 0 | auto oIter = oMapDimToSize.find(dims[i].get()); |
2567 | 0 | if (oIter != oMapDimToSize.end() && oIter->second != anNewDimSizes[i]) |
2568 | 0 | { |
2569 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
2570 | 0 | "Cannot resize a dimension referenced several times " |
2571 | 0 | "to different sizes"); |
2572 | 0 | return false; |
2573 | 0 | } |
2574 | 0 | if (anNewDimSizes[i] != dims[i]->GetSize()) |
2575 | 0 | { |
2576 | 0 | if (anNewDimSizes[i] < dims[i]->GetSize()) |
2577 | 0 | { |
2578 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
2579 | 0 | "Resize() does not support shrinking the array."); |
2580 | 0 | return false; |
2581 | 0 | } |
2582 | | |
2583 | 0 | oMapDimToSize[dims[i].get()] = anNewDimSizes[i]; |
2584 | 0 | anGrownDimIdx.push_back(i); |
2585 | 0 | } |
2586 | 0 | else |
2587 | 0 | { |
2588 | 0 | oMapDimToSize[dims[i].get()] = dims[i]->GetSize(); |
2589 | 0 | } |
2590 | 0 | } |
2591 | 0 | if (!anGrownDimIdx.empty()) |
2592 | 0 | { |
2593 | 0 | m_bDefinitionModified = true; |
2594 | 0 | for (size_t dimIdx : anGrownDimIdx) |
2595 | 0 | { |
2596 | 0 | auto dim = std::dynamic_pointer_cast<ZarrDimension>(dims[dimIdx]); |
2597 | 0 | if (dim) |
2598 | 0 | { |
2599 | 0 | dim->SetSize(anNewDimSizes[dimIdx]); |
2600 | 0 | if (dim->GetName() != dim->GetFullName()) |
2601 | 0 | { |
2602 | | // This is not a local dimension |
2603 | 0 | m_poSharedResource->UpdateDimensionSize(dim); |
2604 | 0 | } |
2605 | 0 | } |
2606 | 0 | else |
2607 | 0 | { |
2608 | 0 | CPLAssert(false); |
2609 | 0 | } |
2610 | 0 | } |
2611 | 0 | } |
2612 | 0 | return true; |
2613 | 0 | } |
2614 | | |
2615 | | /************************************************************************/ |
2616 | | /* NotifyChildrenOfRenaming() */ |
2617 | | /************************************************************************/ |
2618 | | |
2619 | | void ZarrArray::NotifyChildrenOfRenaming() |
2620 | 0 | { |
2621 | 0 | m_oAttrGroup.ParentRenamed(m_osFullName); |
2622 | 0 | } |
2623 | | |
2624 | | /************************************************************************/ |
2625 | | /* ParentRenamed() */ |
2626 | | /************************************************************************/ |
2627 | | |
2628 | | void ZarrArray::ParentRenamed(const std::string &osNewParentFullName) |
2629 | 0 | { |
2630 | 0 | GDALMDArray::ParentRenamed(osNewParentFullName); |
2631 | |
|
2632 | 0 | auto poParent = m_poGroupWeak.lock(); |
2633 | | // The parent necessarily exist, since it notified us |
2634 | 0 | CPLAssert(poParent); |
2635 | |
|
2636 | 0 | m_osFilename = CPLFormFilenameSafe( |
2637 | 0 | CPLFormFilenameSafe(poParent->GetDirectoryName().c_str(), |
2638 | 0 | m_osName.c_str(), nullptr) |
2639 | 0 | .c_str(), |
2640 | 0 | CPLGetFilename(m_osFilename.c_str()), nullptr); |
2641 | 0 | } |
2642 | | |
2643 | | /************************************************************************/ |
2644 | | /* Rename() */ |
2645 | | /************************************************************************/ |
2646 | | |
2647 | | bool ZarrArray::Rename(const std::string &osNewName) |
2648 | 0 | { |
2649 | 0 | if (!CheckValidAndErrorOutIfNot()) |
2650 | 0 | return false; |
2651 | | |
2652 | 0 | if (!m_bUpdatable) |
2653 | 0 | { |
2654 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
2655 | 0 | "Dataset not open in update mode"); |
2656 | 0 | return false; |
2657 | 0 | } |
2658 | 0 | if (!ZarrGroupBase::IsValidObjectName(osNewName)) |
2659 | 0 | { |
2660 | 0 | CPLError(CE_Failure, CPLE_NotSupported, "Invalid array name"); |
2661 | 0 | return false; |
2662 | 0 | } |
2663 | | |
2664 | 0 | auto poParent = m_poGroupWeak.lock(); |
2665 | 0 | if (poParent) |
2666 | 0 | { |
2667 | 0 | if (!poParent->CheckArrayOrGroupWithSameNameDoesNotExist(osNewName)) |
2668 | 0 | return false; |
2669 | 0 | } |
2670 | | |
2671 | 0 | const std::string osRootDirectoryName( |
2672 | 0 | CPLGetDirnameSafe(CPLGetDirnameSafe(m_osFilename.c_str()).c_str())); |
2673 | 0 | const std::string osOldDirectoryName = CPLFormFilenameSafe( |
2674 | 0 | osRootDirectoryName.c_str(), m_osName.c_str(), nullptr); |
2675 | 0 | const std::string osNewDirectoryName = CPLFormFilenameSafe( |
2676 | 0 | osRootDirectoryName.c_str(), osNewName.c_str(), nullptr); |
2677 | |
|
2678 | 0 | if (VSIRename(osOldDirectoryName.c_str(), osNewDirectoryName.c_str()) != 0) |
2679 | 0 | { |
2680 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "Renaming of %s to %s failed", |
2681 | 0 | osOldDirectoryName.c_str(), osNewDirectoryName.c_str()); |
2682 | 0 | return false; |
2683 | 0 | } |
2684 | | |
2685 | 0 | m_poSharedResource->RenameZMetadataRecursive(osOldDirectoryName, |
2686 | 0 | osNewDirectoryName); |
2687 | |
|
2688 | 0 | m_osFilename = |
2689 | 0 | CPLFormFilenameSafe(osNewDirectoryName.c_str(), |
2690 | 0 | CPLGetFilename(m_osFilename.c_str()), nullptr); |
2691 | |
|
2692 | 0 | if (poParent) |
2693 | 0 | { |
2694 | 0 | poParent->NotifyArrayRenamed(m_osName, osNewName); |
2695 | 0 | } |
2696 | |
|
2697 | 0 | BaseRename(osNewName); |
2698 | |
|
2699 | 0 | return true; |
2700 | 0 | } |
2701 | | |
2702 | | /************************************************************************/ |
2703 | | /* NotifyChildrenOfDeletion() */ |
2704 | | /************************************************************************/ |
2705 | | |
2706 | | void ZarrArray::NotifyChildrenOfDeletion() |
2707 | 0 | { |
2708 | 0 | m_oAttrGroup.ParentDeleted(); |
2709 | 0 | } |
2710 | | |
2711 | | /************************************************************************/ |
2712 | | /* ParseSpecialAttributes() */ |
2713 | | /************************************************************************/ |
2714 | | |
2715 | | void ZarrArray::ParseSpecialAttributes( |
2716 | | const std::shared_ptr<GDALGroup> &poGroup, CPLJSONObject &oAttributes) |
2717 | 184k | { |
2718 | 184k | const auto crs = oAttributes[CRS_ATTRIBUTE_NAME]; |
2719 | 184k | std::shared_ptr<OGRSpatialReference> poSRS; |
2720 | 184k | if (crs.GetType() == CPLJSONObject::Type::Object) |
2721 | 18.5k | { |
2722 | 18.5k | for (const char *key : {"url", "wkt", "projjson"}) |
2723 | 49.5k | { |
2724 | 49.5k | const auto item = crs[key]; |
2725 | 49.5k | if (item.IsValid()) |
2726 | 33.7k | { |
2727 | 33.7k | poSRS = std::make_shared<OGRSpatialReference>(); |
2728 | 33.7k | poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER); |
2729 | 33.7k | if (poSRS->SetFromUserInput( |
2730 | 33.7k | item.ToString().c_str(), |
2731 | 33.7k | OGRSpatialReference:: |
2732 | 33.7k | SET_FROM_USER_INPUT_LIMITATIONS_get()) == |
2733 | 33.7k | OGRERR_NONE) |
2734 | 6.50k | { |
2735 | 6.50k | oAttributes.Delete(CRS_ATTRIBUTE_NAME); |
2736 | 6.50k | break; |
2737 | 6.50k | } |
2738 | 27.2k | poSRS.reset(); |
2739 | 27.2k | } |
2740 | 49.5k | } |
2741 | 18.5k | } |
2742 | 166k | else |
2743 | 166k | { |
2744 | | // Check if SRS is using CF-1 conventions |
2745 | 166k | const auto gridMapping = oAttributes["grid_mapping"]; |
2746 | 166k | if (gridMapping.GetType() == CPLJSONObject::Type::String) |
2747 | 20.9k | { |
2748 | 20.9k | const auto gridMappingArray = |
2749 | 20.9k | poGroup->OpenMDArray(gridMapping.ToString()); |
2750 | 20.9k | if (gridMappingArray) |
2751 | 16.3k | { |
2752 | 16.3k | poSRS = std::make_shared<OGRSpatialReference>(); |
2753 | 16.3k | poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER); |
2754 | 16.3k | CPLStringList aosKeyValues; |
2755 | 16.3k | for (const auto &poAttr : gridMappingArray->GetAttributes()) |
2756 | 153k | { |
2757 | 153k | if (poAttr->GetDataType().GetClass() == GEDTC_STRING) |
2758 | 40.6k | { |
2759 | 40.6k | aosKeyValues.SetNameValue(poAttr->GetName().c_str(), |
2760 | 40.6k | poAttr->ReadAsString()); |
2761 | 40.6k | } |
2762 | 112k | else if (poAttr->GetDataType().GetClass() == GEDTC_NUMERIC) |
2763 | 112k | { |
2764 | 112k | std::string osVal; |
2765 | 112k | for (double val : poAttr->ReadAsDoubleArray()) |
2766 | 122k | { |
2767 | 122k | if (!osVal.empty()) |
2768 | 9.46k | osVal += ','; |
2769 | 122k | osVal += CPLSPrintf("%.17g", val); |
2770 | 122k | } |
2771 | 112k | aosKeyValues.SetNameValue(poAttr->GetName().c_str(), |
2772 | 112k | osVal.c_str()); |
2773 | 112k | } |
2774 | 153k | } |
2775 | 16.3k | if (poSRS->importFromCF1(aosKeyValues.List(), nullptr) != |
2776 | 16.3k | OGRERR_NONE) |
2777 | 1.93k | { |
2778 | 1.93k | poSRS.reset(); |
2779 | 1.93k | } |
2780 | 16.3k | } |
2781 | 20.9k | } |
2782 | 166k | } |
2783 | | |
2784 | 184k | if (poSRS) |
2785 | 20.9k | { |
2786 | 20.9k | int iDimX = 0; |
2787 | 20.9k | int iDimY = 0; |
2788 | 20.9k | int iCount = 1; |
2789 | 20.9k | for (const auto &poDim : GetDimensions()) |
2790 | 36.3k | { |
2791 | 36.3k | if (poDim->GetType() == GDAL_DIM_TYPE_HORIZONTAL_X) |
2792 | 122 | iDimX = iCount; |
2793 | 36.2k | else if (poDim->GetType() == GDAL_DIM_TYPE_HORIZONTAL_Y) |
2794 | 122 | iDimY = iCount; |
2795 | 36.3k | iCount++; |
2796 | 36.3k | } |
2797 | 20.9k | if ((iDimX == 0 || iDimY == 0) && GetDimensionCount() >= 2) |
2798 | 16.1k | { |
2799 | 16.1k | iDimX = static_cast<int>(GetDimensionCount()); |
2800 | 16.1k | iDimY = iDimX - 1; |
2801 | 16.1k | } |
2802 | 20.9k | if (iDimX > 0 && iDimY > 0) |
2803 | 16.1k | { |
2804 | 16.1k | const auto &oMapping = poSRS->GetDataAxisToSRSAxisMapping(); |
2805 | 16.1k | if (oMapping == std::vector<int>{2, 1} || |
2806 | 16.1k | oMapping == std::vector<int>{2, 1, 3}) |
2807 | 3.16k | poSRS->SetDataAxisToSRSAxisMapping({iDimY, iDimX}); |
2808 | 13.0k | else if (oMapping == std::vector<int>{1, 2} || |
2809 | 13.0k | oMapping == std::vector<int>{1, 2, 3}) |
2810 | 13.0k | poSRS->SetDataAxisToSRSAxisMapping({iDimX, iDimY}); |
2811 | 16.1k | } |
2812 | | |
2813 | 20.9k | SetSRS(poSRS); |
2814 | 20.9k | } |
2815 | | |
2816 | 184k | const auto unit = oAttributes[CF_UNITS]; |
2817 | 184k | if (unit.GetType() == CPLJSONObject::Type::String) |
2818 | 7.33k | { |
2819 | 7.33k | std::string osUnit = unit.ToString(); |
2820 | 7.33k | oAttributes.Delete(CF_UNITS); |
2821 | 7.33k | RegisterUnit(osUnit); |
2822 | 7.33k | } |
2823 | | |
2824 | 184k | const auto offset = oAttributes[CF_ADD_OFFSET]; |
2825 | 184k | const auto offsetType = offset.GetType(); |
2826 | 184k | if (offsetType == CPLJSONObject::Type::Integer || |
2827 | 184k | offsetType == CPLJSONObject::Type::Long || |
2828 | 184k | offsetType == CPLJSONObject::Type::Double) |
2829 | 0 | { |
2830 | 0 | double dfOffset = offset.ToDouble(); |
2831 | 0 | oAttributes.Delete(CF_ADD_OFFSET); |
2832 | 0 | RegisterOffset(dfOffset); |
2833 | 0 | } |
2834 | | |
2835 | 184k | const auto scale = oAttributes[CF_SCALE_FACTOR]; |
2836 | 184k | const auto scaleType = scale.GetType(); |
2837 | 184k | if (scaleType == CPLJSONObject::Type::Integer || |
2838 | 184k | scaleType == CPLJSONObject::Type::Long || |
2839 | 184k | scaleType == CPLJSONObject::Type::Double) |
2840 | 926 | { |
2841 | 926 | double dfScale = scale.ToDouble(); |
2842 | 926 | oAttributes.Delete(CF_SCALE_FACTOR); |
2843 | 926 | RegisterScale(dfScale); |
2844 | 926 | } |
2845 | 184k | } |
2846 | | |
2847 | | /************************************************************************/ |
2848 | | /* SetStatistics() */ |
2849 | | /************************************************************************/ |
2850 | | |
2851 | | bool ZarrArray::SetStatistics(bool bApproxStats, double dfMin, double dfMax, |
2852 | | double dfMean, double dfStdDev, |
2853 | | GUInt64 nValidCount, CSLConstList papszOptions) |
2854 | 0 | { |
2855 | 0 | if (!bApproxStats && m_bUpdatable && |
2856 | 0 | CPLTestBool( |
2857 | 0 | CSLFetchNameValueDef(papszOptions, "UPDATE_METADATA", "NO"))) |
2858 | 0 | { |
2859 | 0 | auto poAttr = GetAttribute("actual_range"); |
2860 | 0 | if (!poAttr) |
2861 | 0 | { |
2862 | 0 | poAttr = |
2863 | 0 | CreateAttribute("actual_range", {2}, GetDataType(), nullptr); |
2864 | 0 | } |
2865 | 0 | if (poAttr) |
2866 | 0 | { |
2867 | 0 | std::vector<GUInt64> startIdx = {0}; |
2868 | 0 | std::vector<size_t> count = {2}; |
2869 | 0 | std::vector<double> values = {dfMin, dfMax}; |
2870 | 0 | poAttr->Write(startIdx.data(), count.data(), nullptr, nullptr, |
2871 | 0 | GDALExtendedDataType::Create(GDT_Float64), |
2872 | 0 | values.data(), nullptr, 0); |
2873 | 0 | } |
2874 | 0 | } |
2875 | 0 | return GDALPamMDArray::SetStatistics(bApproxStats, dfMin, dfMax, dfMean, |
2876 | 0 | dfStdDev, nValidCount, papszOptions); |
2877 | 0 | } |