/src/gdal/frmts/pcidsk/ogrpcidsklayer.cpp
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1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: PCIDSK Translator |
4 | | * Purpose: Implements OGRPCIDSKLayer class. |
5 | | * Author: Frank Warmerdam <warmerdam@pobox.com> |
6 | | * |
7 | | ****************************************************************************** |
8 | | * Copyright (c) 2009, Frank Warmerdam <warmerdam@pobox.com> |
9 | | * Copyright (c) 2011-2013, Even Rouault <even dot rouault at spatialys.com> |
10 | | * |
11 | | * SPDX-License-Identifier: MIT |
12 | | ****************************************************************************/ |
13 | | |
14 | | #include "pcidskdataset2.h" |
15 | | |
16 | | #include <algorithm> |
17 | | |
18 | | /************************************************************************/ |
19 | | /* OGRPCIDSKLayer() */ |
20 | | /************************************************************************/ |
21 | | |
22 | | OGRPCIDSKLayer::OGRPCIDSKLayer(GDALDataset *poDS, |
23 | | PCIDSK::PCIDSKSegment *poSegIn, |
24 | | PCIDSK::PCIDSKVectorSegment *poVecSegIn, |
25 | | bool bUpdate) |
26 | 0 | : m_poDS(poDS) |
27 | | |
28 | 0 | { |
29 | 0 | poSRS = nullptr; |
30 | 0 | bUpdateAccess = bUpdate; |
31 | 0 | poSeg = poSegIn; |
32 | 0 | poVecSeg = poVecSegIn; |
33 | |
|
34 | 0 | poFeatureDefn = new OGRFeatureDefn(poSeg->GetName().c_str()); |
35 | 0 | SetDescription(poFeatureDefn->GetName()); |
36 | 0 | poFeatureDefn->Reference(); |
37 | |
|
38 | 0 | hLastShapeId = PCIDSK::NullShapeId; |
39 | | |
40 | | /* -------------------------------------------------------------------- */ |
41 | | /* Attempt to assign a geometry type. */ |
42 | | /* -------------------------------------------------------------------- */ |
43 | 0 | try |
44 | 0 | { |
45 | 0 | std::string osLayerType = poSeg->GetMetadataValue("LAYER_TYPE"); |
46 | |
|
47 | 0 | if (osLayerType == "WHOLE_POLYGONS") |
48 | 0 | poFeatureDefn->SetGeomType(wkbPolygon25D); |
49 | 0 | else if (osLayerType == "ARCS" || osLayerType == "TOPO_ARCS") |
50 | 0 | poFeatureDefn->SetGeomType(wkbLineString25D); |
51 | 0 | else if (osLayerType == "POINTS" || osLayerType == "TOPO_NODES") |
52 | 0 | poFeatureDefn->SetGeomType(wkbPoint25D); |
53 | 0 | else if (osLayerType == "TABLE") |
54 | 0 | poFeatureDefn->SetGeomType(wkbNone); |
55 | 0 | } |
56 | 0 | catch (...) |
57 | 0 | { |
58 | 0 | } |
59 | | |
60 | | /* -------------------------------------------------------------------- */ |
61 | | /* Build field definitions. */ |
62 | | /* -------------------------------------------------------------------- */ |
63 | 0 | try |
64 | 0 | { |
65 | 0 | iRingStartField = -1; |
66 | |
|
67 | 0 | for (int iField = 0; iField < poVecSeg->GetFieldCount(); iField++) |
68 | 0 | { |
69 | 0 | OGRFieldDefn oField(poVecSeg->GetFieldName(iField).c_str(), |
70 | 0 | OFTString); |
71 | |
|
72 | 0 | switch (poVecSeg->GetFieldType(iField)) |
73 | 0 | { |
74 | 0 | case PCIDSK::FieldTypeFloat: |
75 | 0 | case PCIDSK::FieldTypeDouble: |
76 | 0 | oField.SetType(OFTReal); |
77 | 0 | break; |
78 | | |
79 | 0 | case PCIDSK::FieldTypeInteger: |
80 | 0 | oField.SetType(OFTInteger); |
81 | 0 | break; |
82 | | |
83 | 0 | case PCIDSK::FieldTypeString: |
84 | 0 | oField.SetType(OFTString); |
85 | 0 | break; |
86 | | |
87 | 0 | case PCIDSK::FieldTypeCountedInt: |
88 | 0 | oField.SetType(OFTIntegerList); |
89 | 0 | break; |
90 | | |
91 | 0 | default: |
92 | 0 | CPLAssert(false); |
93 | 0 | break; |
94 | 0 | } |
95 | | |
96 | | // we ought to try and extract some width/precision information |
97 | | // from the format string at some point. |
98 | | |
99 | | // If the last field is named RingStart we treat it specially. |
100 | 0 | if (EQUAL(oField.GetNameRef(), "RingStart") && |
101 | 0 | oField.GetType() == OFTIntegerList && |
102 | 0 | iField == poVecSeg->GetFieldCount() - 1) |
103 | 0 | iRingStartField = iField; |
104 | 0 | else |
105 | 0 | { |
106 | 0 | poFeatureDefn->AddFieldDefn(&oField); |
107 | 0 | m_oMapFieldNameToIdx[oField.GetNameRef()] = |
108 | 0 | poFeatureDefn->GetFieldCount() - 1; |
109 | 0 | } |
110 | 0 | } |
111 | | |
112 | | /* -------------------------------------------------------------------- |
113 | | */ |
114 | | /* Look for a coordinate system. */ |
115 | | /* -------------------------------------------------------------------- |
116 | | */ |
117 | 0 | CPLString osGeosys; |
118 | 0 | const char *pszUnits = nullptr; |
119 | 0 | std::vector<double> adfParameters; |
120 | |
|
121 | 0 | adfParameters = poVecSeg->GetProjection(osGeosys); |
122 | |
|
123 | 0 | if (static_cast<PCIDSK::UnitCode>( |
124 | 0 | static_cast<int>(adfParameters[16])) == PCIDSK::UNIT_DEGREE) |
125 | 0 | pszUnits = "DEGREE"; |
126 | 0 | else if (static_cast<PCIDSK::UnitCode>( |
127 | 0 | static_cast<int>(adfParameters[16])) == PCIDSK::UNIT_METER) |
128 | 0 | pszUnits = "METER"; |
129 | 0 | else if (static_cast<PCIDSK::UnitCode>(static_cast<int>( |
130 | 0 | adfParameters[16])) == PCIDSK::UNIT_US_FOOT) |
131 | 0 | pszUnits = "FOOT"; |
132 | 0 | else if (static_cast<PCIDSK::UnitCode>(static_cast<int>( |
133 | 0 | adfParameters[16])) == PCIDSK::UNIT_INTL_FOOT) |
134 | 0 | pszUnits = "INTL FOOT"; |
135 | |
|
136 | 0 | poSRS = new OGRSpatialReference(); |
137 | |
|
138 | 0 | if (poSRS->importFromPCI(osGeosys, pszUnits, &(adfParameters[0])) != |
139 | 0 | OGRERR_NONE) |
140 | 0 | { |
141 | 0 | delete poSRS; |
142 | 0 | poSRS = nullptr; |
143 | 0 | } |
144 | 0 | } |
145 | | |
146 | | /* -------------------------------------------------------------------- */ |
147 | | /* Trap pcidsk exceptions. */ |
148 | | /* -------------------------------------------------------------------- */ |
149 | 0 | catch (const PCIDSK::PCIDSKException &ex) |
150 | 0 | { |
151 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
152 | 0 | "PCIDSK Exception while initializing layer, operation likely " |
153 | 0 | "impaired.\n%s", |
154 | 0 | ex.what()); |
155 | 0 | } |
156 | 0 | catch (...) |
157 | 0 | { |
158 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
159 | 0 | "Non-PCIDSK exception trapped while initializing layer, " |
160 | 0 | "operation likely impaired."); |
161 | 0 | } |
162 | | |
163 | 0 | if (poFeatureDefn->GetGeomFieldCount() > 0) |
164 | 0 | poFeatureDefn->GetGeomFieldDefn(0)->SetSpatialRef(poSRS); |
165 | 0 | } |
166 | | |
167 | | /************************************************************************/ |
168 | | /* ~OGRPCIDSKLayer() */ |
169 | | /************************************************************************/ |
170 | | |
171 | | OGRPCIDSKLayer::~OGRPCIDSKLayer() |
172 | | |
173 | 0 | { |
174 | 0 | if (m_nFeaturesRead > 0) |
175 | 0 | { |
176 | 0 | CPLDebug("PCIDSK", "%d features read on layer '%s'.", |
177 | 0 | static_cast<int>(m_nFeaturesRead), poFeatureDefn->GetName()); |
178 | 0 | } |
179 | |
|
180 | 0 | poFeatureDefn->Release(); |
181 | |
|
182 | 0 | if (poSRS) |
183 | 0 | poSRS->Release(); |
184 | 0 | } |
185 | | |
186 | | /************************************************************************/ |
187 | | /* ResetReading() */ |
188 | | /************************************************************************/ |
189 | | |
190 | | void OGRPCIDSKLayer::ResetReading() |
191 | | |
192 | 0 | { |
193 | 0 | hLastShapeId = PCIDSK::NullShapeId; |
194 | 0 | m_bEOF = false; |
195 | 0 | } |
196 | | |
197 | | /************************************************************************/ |
198 | | /* GetNextRawFeature() */ |
199 | | /************************************************************************/ |
200 | | |
201 | | OGRFeature *OGRPCIDSKLayer::GetNextRawFeature() |
202 | | |
203 | 0 | { |
204 | 0 | if (m_bEOF) |
205 | 0 | return nullptr; |
206 | | |
207 | 0 | try |
208 | 0 | { |
209 | | /* -------------------------------------------------------------------- |
210 | | */ |
211 | | /* Get the next shapeid. */ |
212 | | /* -------------------------------------------------------------------- |
213 | | */ |
214 | 0 | if (hLastShapeId == PCIDSK::NullShapeId) |
215 | 0 | hLastShapeId = poVecSeg->FindFirst(); |
216 | 0 | else |
217 | 0 | hLastShapeId = poVecSeg->FindNext(hLastShapeId); |
218 | |
|
219 | 0 | if (hLastShapeId == PCIDSK::NullShapeId) |
220 | 0 | { |
221 | 0 | m_bEOF = true; |
222 | 0 | return nullptr; |
223 | 0 | } |
224 | | |
225 | 0 | return GetFeature(hLastShapeId); |
226 | 0 | } |
227 | 0 | catch (const PCIDSK::PCIDSKException &ex) |
228 | 0 | { |
229 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
230 | 0 | "PCIDSK Exception while iterating features.\n%s", ex.what()); |
231 | 0 | return nullptr; |
232 | 0 | } |
233 | 0 | } |
234 | | |
235 | | /************************************************************************/ |
236 | | /* GetFeature() */ |
237 | | /************************************************************************/ |
238 | | |
239 | | OGRFeature *OGRPCIDSKLayer::GetFeature(GIntBig nFID) |
240 | | |
241 | 0 | { |
242 | | /* -------------------------------------------------------------------- */ |
243 | | /* Create the OGR feature. */ |
244 | | /* -------------------------------------------------------------------- */ |
245 | 0 | OGRFeature *poFeature = new OGRFeature(poFeatureDefn); |
246 | 0 | poFeature->SetFID(static_cast<int>(nFID)); |
247 | | |
248 | | /* -------------------------------------------------------------------- */ |
249 | | /* Set attributes for any indicated attribute records. */ |
250 | | /* -------------------------------------------------------------------- */ |
251 | 0 | try |
252 | 0 | { |
253 | 0 | std::vector<PCIDSK::ShapeField> aoFields; |
254 | |
|
255 | 0 | poVecSeg->GetFields(static_cast<int>(nFID), aoFields); |
256 | 0 | for (unsigned int i = 0; i < aoFields.size(); i++) |
257 | 0 | { |
258 | 0 | if (static_cast<int>(i) == iRingStartField) |
259 | 0 | continue; |
260 | | |
261 | 0 | switch (aoFields[i].GetType()) |
262 | 0 | { |
263 | 0 | case PCIDSK::FieldTypeNone: |
264 | | // null field value. |
265 | 0 | break; |
266 | | |
267 | 0 | case PCIDSK::FieldTypeInteger: |
268 | 0 | poFeature->SetField(i, aoFields[i].GetValueInteger()); |
269 | 0 | break; |
270 | | |
271 | 0 | case PCIDSK::FieldTypeFloat: |
272 | 0 | poFeature->SetField(i, aoFields[i].GetValueFloat()); |
273 | 0 | break; |
274 | | |
275 | 0 | case PCIDSK::FieldTypeDouble: |
276 | 0 | poFeature->SetField(i, aoFields[i].GetValueDouble()); |
277 | 0 | break; |
278 | | |
279 | 0 | case PCIDSK::FieldTypeString: |
280 | 0 | poFeature->SetField(i, |
281 | 0 | aoFields[i].GetValueString().c_str()); |
282 | 0 | break; |
283 | | |
284 | 0 | case PCIDSK::FieldTypeCountedInt: |
285 | 0 | std::vector<PCIDSK::int32> list = |
286 | 0 | aoFields[i].GetValueCountedInt(); |
287 | |
|
288 | 0 | poFeature->SetField(i, static_cast<int>(list.size()), |
289 | 0 | &(list[0])); |
290 | 0 | break; |
291 | 0 | } |
292 | 0 | } |
293 | | |
294 | | /* -------------------------------------------------------------------- |
295 | | */ |
296 | | /* Translate the geometry. */ |
297 | | /* -------------------------------------------------------------------- |
298 | | */ |
299 | 0 | std::vector<PCIDSK::ShapeVertex> aoVertices; |
300 | |
|
301 | 0 | poVecSeg->GetVertices(static_cast<int>(nFID), aoVertices); |
302 | | |
303 | | /* -------------------------------------------------------------------- |
304 | | */ |
305 | | /* Point */ |
306 | | /* -------------------------------------------------------------------- |
307 | | */ |
308 | 0 | if (poFeatureDefn->GetGeomType() == wkbPoint25D || |
309 | 0 | (wkbFlatten(poFeatureDefn->GetGeomType()) == wkbUnknown && |
310 | 0 | aoVertices.size() == 1)) |
311 | 0 | { |
312 | 0 | if (aoVertices.size() == 1) |
313 | 0 | { |
314 | 0 | OGRPoint *poPoint = new OGRPoint( |
315 | 0 | aoVertices[0].x, aoVertices[0].y, aoVertices[0].z); |
316 | 0 | if (poSRS) |
317 | 0 | poPoint->assignSpatialReference(poSRS); |
318 | 0 | poFeature->SetGeometryDirectly(poPoint); |
319 | 0 | } |
320 | 0 | else |
321 | 0 | { |
322 | | // report issue? |
323 | 0 | } |
324 | 0 | } |
325 | | |
326 | | /* -------------------------------------------------------------------- |
327 | | */ |
328 | | /* LineString */ |
329 | | /* -------------------------------------------------------------------- |
330 | | */ |
331 | 0 | else if (poFeatureDefn->GetGeomType() == wkbLineString25D || |
332 | 0 | (wkbFlatten(poFeatureDefn->GetGeomType()) == wkbUnknown && |
333 | 0 | aoVertices.size() > 1)) |
334 | 0 | { |
335 | | // We should likely be applying ringstart to break things into |
336 | | // a multilinestring in some cases. |
337 | 0 | if (aoVertices.size() > 1) |
338 | 0 | { |
339 | 0 | OGRLineString *poLS = new OGRLineString(); |
340 | |
|
341 | 0 | poLS->setNumPoints(static_cast<int>(aoVertices.size())); |
342 | |
|
343 | 0 | for (unsigned int i = 0; i < aoVertices.size(); i++) |
344 | 0 | poLS->setPoint(i, aoVertices[i].x, aoVertices[i].y, |
345 | 0 | aoVertices[i].z); |
346 | 0 | if (poSRS) |
347 | 0 | poLS->assignSpatialReference(poSRS); |
348 | |
|
349 | 0 | poFeature->SetGeometryDirectly(poLS); |
350 | 0 | } |
351 | 0 | else |
352 | 0 | { |
353 | | // report issue? |
354 | 0 | } |
355 | 0 | } |
356 | | |
357 | | /* -------------------------------------------------------------------- |
358 | | */ |
359 | | /* Polygon - Currently we have no way to recognise if we are */ |
360 | | /* dealing with a multipolygon when we have more than one */ |
361 | | /* ring. Also, PCIDSK allows the rings to be in arbitrary */ |
362 | | /* order, not necessarily outside first which we are not yet */ |
363 | | /* ready to address in the following code. */ |
364 | | /* -------------------------------------------------------------------- |
365 | | */ |
366 | 0 | else if (poFeatureDefn->GetGeomType() == wkbPolygon25D) |
367 | 0 | { |
368 | 0 | std::vector<PCIDSK::int32> anRingStart; |
369 | 0 | OGRPolygon *poPoly = new OGRPolygon(); |
370 | |
|
371 | 0 | if (iRingStartField != -1) |
372 | 0 | anRingStart = aoFields[iRingStartField].GetValueCountedInt(); |
373 | |
|
374 | 0 | for (unsigned int iRing = 0; iRing < anRingStart.size() + 1; |
375 | 0 | iRing++) |
376 | 0 | { |
377 | 0 | int iStartVertex; |
378 | 0 | if (iRing == 0) |
379 | 0 | iStartVertex = 0; |
380 | 0 | else |
381 | 0 | iStartVertex = anRingStart[iRing - 1]; |
382 | |
|
383 | 0 | int iEndVertex; |
384 | 0 | if (iRing == anRingStart.size()) |
385 | 0 | iEndVertex = static_cast<int>(aoVertices.size()) - 1; |
386 | 0 | else |
387 | 0 | iEndVertex = anRingStart[iRing] - 1; |
388 | |
|
389 | 0 | int iVertex; |
390 | 0 | OGRLinearRing *poRing = new OGRLinearRing(); |
391 | 0 | poRing->setNumPoints(iEndVertex - iStartVertex + 1); |
392 | 0 | for (iVertex = iStartVertex; iVertex <= iEndVertex; iVertex++) |
393 | 0 | { |
394 | 0 | poRing->setPoint( |
395 | 0 | iVertex - iStartVertex, aoVertices[iVertex].x, |
396 | 0 | aoVertices[iVertex].y, aoVertices[iVertex].z); |
397 | 0 | } |
398 | |
|
399 | 0 | poPoly->addRingDirectly(poRing); |
400 | 0 | } |
401 | |
|
402 | 0 | if (poSRS) |
403 | 0 | poPoly->assignSpatialReference(poSRS); |
404 | |
|
405 | 0 | poFeature->SetGeometryDirectly(poPoly); |
406 | 0 | } |
407 | 0 | } |
408 | | |
409 | | /* -------------------------------------------------------------------- */ |
410 | | /* Trap exceptions and report as CPL errors. */ |
411 | | /* -------------------------------------------------------------------- */ |
412 | 0 | catch (const PCIDSK::PCIDSKException &ex) |
413 | 0 | { |
414 | 0 | delete poFeature; |
415 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "%s", ex.what()); |
416 | 0 | return nullptr; |
417 | 0 | } |
418 | 0 | catch (...) |
419 | 0 | { |
420 | 0 | delete poFeature; |
421 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "Non-PCIDSK exception trapped."); |
422 | 0 | return nullptr; |
423 | 0 | } |
424 | | |
425 | 0 | m_nFeaturesRead++; |
426 | |
|
427 | 0 | return poFeature; |
428 | 0 | } |
429 | | |
430 | | /************************************************************************/ |
431 | | /* TestCapability() */ |
432 | | /************************************************************************/ |
433 | | |
434 | | int OGRPCIDSKLayer::TestCapability(const char *pszCap) |
435 | | |
436 | 0 | { |
437 | 0 | if (EQUAL(pszCap, OLCRandomRead)) |
438 | 0 | return TRUE; |
439 | | |
440 | 0 | else if (EQUAL(pszCap, OLCFastFeatureCount)) |
441 | 0 | return m_poFilterGeom == nullptr && m_poAttrQuery == nullptr; |
442 | | |
443 | 0 | else if (EQUAL(pszCap, OLCSequentialWrite) || EQUAL(pszCap, OLCRandomWrite)) |
444 | 0 | return bUpdateAccess; |
445 | | |
446 | 0 | else if (EQUAL(pszCap, OLCDeleteFeature)) |
447 | 0 | return bUpdateAccess; |
448 | | |
449 | 0 | else if (EQUAL(pszCap, OLCCreateField)) |
450 | 0 | return bUpdateAccess; |
451 | | |
452 | 0 | else if (EQUAL(pszCap, OLCZGeometries)) |
453 | 0 | return TRUE; |
454 | | |
455 | 0 | return FALSE; |
456 | 0 | } |
457 | | |
458 | | /************************************************************************/ |
459 | | /* GetFeatureCount() */ |
460 | | /************************************************************************/ |
461 | | |
462 | | GIntBig OGRPCIDSKLayer::GetFeatureCount(int bForce) |
463 | | |
464 | 0 | { |
465 | 0 | if (m_poFilterGeom != nullptr || m_poAttrQuery != nullptr) |
466 | 0 | return OGRLayer::GetFeatureCount(bForce); |
467 | | |
468 | 0 | try |
469 | 0 | { |
470 | 0 | return poVecSeg->GetShapeCount(); |
471 | 0 | } |
472 | 0 | catch (...) |
473 | 0 | { |
474 | 0 | return 0; |
475 | 0 | } |
476 | 0 | } |
477 | | |
478 | | /************************************************************************/ |
479 | | /* IGetExtent() */ |
480 | | /************************************************************************/ |
481 | | |
482 | | OGRErr OGRPCIDSKLayer::IGetExtent(int /*iGeomField*/, OGREnvelope *psExtent, |
483 | | bool bForce) |
484 | | |
485 | 0 | { |
486 | 0 | if (!bForce) |
487 | 0 | return OGRERR_FAILURE; |
488 | | |
489 | | /* -------------------------------------------------------------------- */ |
490 | | /* Loop over all features, but just read the geometry. This is */ |
491 | | /* a fair amount quicker than actually processing all the */ |
492 | | /* attributes, forming features and then examining the */ |
493 | | /* geometries as the default implementation would do. */ |
494 | | /* -------------------------------------------------------------------- */ |
495 | 0 | try |
496 | 0 | { |
497 | 0 | bool bHaveExtent = false; |
498 | |
|
499 | 0 | std::vector<PCIDSK::ShapeVertex> asVertices; |
500 | |
|
501 | 0 | for (PCIDSK::ShapeIterator oIt = poVecSeg->begin(); |
502 | 0 | oIt != poVecSeg->end(); oIt++) |
503 | 0 | { |
504 | 0 | poVecSeg->GetVertices(*oIt, asVertices); |
505 | |
|
506 | 0 | for (unsigned int i = 0; i < asVertices.size(); i++) |
507 | 0 | { |
508 | 0 | if (!bHaveExtent) |
509 | 0 | { |
510 | 0 | psExtent->MinX = asVertices[i].x; |
511 | 0 | psExtent->MaxX = asVertices[i].x; |
512 | 0 | psExtent->MinY = asVertices[i].y; |
513 | 0 | psExtent->MaxY = asVertices[i].y; |
514 | 0 | bHaveExtent = true; |
515 | 0 | } |
516 | 0 | else |
517 | 0 | { |
518 | 0 | psExtent->MinX = std::min(psExtent->MinX, asVertices[i].x); |
519 | 0 | psExtent->MaxX = std::max(psExtent->MaxX, asVertices[i].x); |
520 | 0 | psExtent->MinY = std::min(psExtent->MinY, asVertices[i].y); |
521 | 0 | psExtent->MaxY = std::max(psExtent->MaxY, asVertices[i].y); |
522 | 0 | } |
523 | 0 | } |
524 | 0 | } |
525 | |
|
526 | 0 | if (bHaveExtent) |
527 | 0 | return OGRERR_NONE; |
528 | | |
529 | 0 | return OGRERR_FAILURE; |
530 | 0 | } |
531 | | |
532 | | /* -------------------------------------------------------------------- */ |
533 | | /* Trap pcidsk exceptions. */ |
534 | | /* -------------------------------------------------------------------- */ |
535 | 0 | catch (const PCIDSK::PCIDSKException &ex) |
536 | 0 | { |
537 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
538 | 0 | "PCIDSK Exception while initializing layer, operation likely " |
539 | 0 | "impaired.\n%s", |
540 | 0 | ex.what()); |
541 | 0 | return OGRERR_FAILURE; |
542 | 0 | } |
543 | 0 | catch (...) |
544 | 0 | { |
545 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
546 | 0 | "Non-PCIDSK exception trapped while initializing layer, " |
547 | 0 | "operation likely impaired."); |
548 | 0 | return OGRERR_FAILURE; |
549 | 0 | } |
550 | 0 | } |
551 | | |
552 | | /************************************************************************/ |
553 | | /* DeleteFeature() */ |
554 | | /************************************************************************/ |
555 | | |
556 | | OGRErr OGRPCIDSKLayer::DeleteFeature(GIntBig nFID) |
557 | | |
558 | 0 | { |
559 | 0 | try |
560 | 0 | { |
561 | 0 | poVecSeg->DeleteShape((PCIDSK::ShapeId)nFID); |
562 | |
|
563 | 0 | return OGRERR_NONE; |
564 | 0 | } |
565 | | |
566 | | /* -------------------------------------------------------------------- */ |
567 | | /* Trap exceptions and report as CPL errors. */ |
568 | | /* -------------------------------------------------------------------- */ |
569 | 0 | catch (const PCIDSK::PCIDSKException &ex) |
570 | 0 | { |
571 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "%s", ex.what()); |
572 | 0 | return OGRERR_FAILURE; |
573 | 0 | } |
574 | 0 | catch (...) |
575 | 0 | { |
576 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "Non-PCIDSK exception trapped."); |
577 | 0 | return OGRERR_FAILURE; |
578 | 0 | } |
579 | 0 | } |
580 | | |
581 | | /************************************************************************/ |
582 | | /* ICreateFeature() */ |
583 | | /************************************************************************/ |
584 | | |
585 | | OGRErr OGRPCIDSKLayer::ICreateFeature(OGRFeature *poFeature) |
586 | | |
587 | 0 | { |
588 | 0 | try |
589 | 0 | { |
590 | 0 | PCIDSK::ShapeId id = |
591 | 0 | poVecSeg->CreateShape((PCIDSK::ShapeId)poFeature->GetFID()); |
592 | |
|
593 | 0 | poFeature->SetFID((long)id); |
594 | |
|
595 | 0 | return SetFeature(poFeature); |
596 | 0 | } |
597 | | /* -------------------------------------------------------------------- */ |
598 | | /* Trap exceptions and report as CPL errors. */ |
599 | | /* -------------------------------------------------------------------- */ |
600 | 0 | catch (const PCIDSK::PCIDSKException &ex) |
601 | 0 | { |
602 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "%s", ex.what()); |
603 | 0 | return OGRERR_FAILURE; |
604 | 0 | } |
605 | 0 | catch (...) |
606 | 0 | { |
607 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "Non-PCIDSK exception trapped."); |
608 | 0 | return OGRERR_FAILURE; |
609 | 0 | } |
610 | 0 | } |
611 | | |
612 | | /************************************************************************/ |
613 | | /* ISetFeature() */ |
614 | | /************************************************************************/ |
615 | | |
616 | | OGRErr OGRPCIDSKLayer::ISetFeature(OGRFeature *poFeature) |
617 | | |
618 | 0 | { |
619 | 0 | PCIDSK::ShapeId id = (PCIDSK::ShapeId)poFeature->GetFID(); |
620 | | |
621 | | /* -------------------------------------------------------------------- */ |
622 | | /* Translate attribute fields. */ |
623 | | /* -------------------------------------------------------------------- */ |
624 | 0 | try |
625 | 0 | { |
626 | 0 | std::vector<PCIDSK::ShapeField> aoPCIFields; |
627 | |
|
628 | 0 | aoPCIFields.resize(poVecSeg->GetFieldCount()); |
629 | |
|
630 | 0 | for (int iPCI = 0; iPCI < poVecSeg->GetFieldCount(); iPCI++) |
631 | 0 | { |
632 | 0 | int iOGR = -1; |
633 | 0 | const auto osFieldName(poVecSeg->GetFieldName(iPCI)); |
634 | 0 | auto oIter = m_oMapFieldNameToIdx.find(osFieldName); |
635 | 0 | if (oIter != m_oMapFieldNameToIdx.end()) |
636 | 0 | { |
637 | 0 | iOGR = oIter->second; |
638 | 0 | } |
639 | |
|
640 | 0 | if (iOGR == -1) |
641 | 0 | continue; |
642 | | |
643 | 0 | switch (poVecSeg->GetFieldType(iPCI)) |
644 | 0 | { |
645 | 0 | case PCIDSK::FieldTypeInteger: |
646 | 0 | aoPCIFields[iPCI].SetValue( |
647 | 0 | poFeature->GetFieldAsInteger(iOGR)); |
648 | 0 | break; |
649 | | |
650 | 0 | case PCIDSK::FieldTypeFloat: |
651 | 0 | aoPCIFields[iPCI].SetValue( |
652 | 0 | static_cast<float>(poFeature->GetFieldAsDouble(iOGR))); |
653 | 0 | break; |
654 | | |
655 | 0 | case PCIDSK::FieldTypeDouble: |
656 | 0 | aoPCIFields[iPCI].SetValue( |
657 | 0 | static_cast<double>(poFeature->GetFieldAsDouble(iOGR))); |
658 | 0 | break; |
659 | | |
660 | 0 | case PCIDSK::FieldTypeString: |
661 | 0 | aoPCIFields[iPCI].SetValue( |
662 | 0 | poFeature->GetFieldAsString(iOGR)); |
663 | 0 | break; |
664 | | |
665 | 0 | case PCIDSK::FieldTypeCountedInt: |
666 | 0 | { |
667 | 0 | int nCount; |
668 | 0 | const int *panList = |
669 | 0 | poFeature->GetFieldAsIntegerList(iOGR, &nCount); |
670 | 0 | std::vector<PCIDSK::int32> anList; |
671 | |
|
672 | 0 | anList.resize(nCount); |
673 | 0 | memcpy(&(anList[0]), panList, 4 * anList.size()); |
674 | 0 | aoPCIFields[iPCI].SetValue(anList); |
675 | 0 | } |
676 | 0 | break; |
677 | | |
678 | 0 | default: |
679 | 0 | CPLAssert(false); |
680 | 0 | break; |
681 | 0 | } |
682 | 0 | } |
683 | | |
684 | 0 | if (poVecSeg->GetFieldCount() > 0) |
685 | 0 | poVecSeg->SetFields(id, aoPCIFields); |
686 | | |
687 | | /* -------------------------------------------------------------------- |
688 | | */ |
689 | | /* Translate the geometry. */ |
690 | | /* -------------------------------------------------------------------- |
691 | | */ |
692 | 0 | std::vector<PCIDSK::ShapeVertex> aoVertices; |
693 | 0 | OGRGeometry *poGeometry = poFeature->GetGeometryRef(); |
694 | |
|
695 | 0 | if (poGeometry == nullptr) |
696 | 0 | { |
697 | | // TODO: What? Is this really a NOP? |
698 | 0 | } |
699 | | |
700 | 0 | else if (wkbFlatten(poGeometry->getGeometryType()) == wkbPoint) |
701 | 0 | { |
702 | 0 | OGRPoint *poPoint = poGeometry->toPoint(); |
703 | |
|
704 | 0 | aoVertices.resize(1); |
705 | 0 | aoVertices[0].x = poPoint->getX(); |
706 | 0 | aoVertices[0].y = poPoint->getY(); |
707 | 0 | aoVertices[0].z = poPoint->getZ(); |
708 | 0 | } |
709 | | |
710 | 0 | else if (wkbFlatten(poGeometry->getGeometryType()) == wkbLineString) |
711 | 0 | { |
712 | 0 | OGRLineString *poLS = poGeometry->toLineString(); |
713 | 0 | unsigned int i; |
714 | |
|
715 | 0 | aoVertices.resize(poLS->getNumPoints()); |
716 | |
|
717 | 0 | for (i = 0; i < aoVertices.size(); i++) |
718 | 0 | { |
719 | 0 | aoVertices[i].x = poLS->getX(i); |
720 | 0 | aoVertices[i].y = poLS->getY(i); |
721 | 0 | aoVertices[i].z = poLS->getZ(i); |
722 | 0 | } |
723 | 0 | } |
724 | | |
725 | 0 | else |
726 | 0 | { |
727 | 0 | CPLDebug("PCIDSK", "Unsupported geometry type in SetFeature(): %s", |
728 | 0 | poGeometry->getGeometryName()); |
729 | 0 | } |
730 | |
|
731 | 0 | poVecSeg->SetVertices(id, aoVertices); |
732 | 0 | } /* try */ |
733 | | |
734 | | /* -------------------------------------------------------------------- */ |
735 | | /* Trap exceptions and report as CPL errors. */ |
736 | | /* -------------------------------------------------------------------- */ |
737 | 0 | catch (const PCIDSK::PCIDSKException &ex) |
738 | 0 | { |
739 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "%s", ex.what()); |
740 | 0 | return OGRERR_FAILURE; |
741 | 0 | } |
742 | 0 | catch (...) |
743 | 0 | { |
744 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "Non-PCIDSK exception trapped."); |
745 | 0 | return OGRERR_FAILURE; |
746 | 0 | } |
747 | | |
748 | 0 | return OGRERR_NONE; |
749 | 0 | } |
750 | | |
751 | | /************************************************************************/ |
752 | | /* CreateField() */ |
753 | | /************************************************************************/ |
754 | | |
755 | | OGRErr OGRPCIDSKLayer::CreateField(const OGRFieldDefn *poFieldDefn, |
756 | | int bApproxOK) |
757 | | |
758 | 0 | { |
759 | 0 | try |
760 | 0 | { |
761 | 0 | if (poFieldDefn->GetType() == OFTInteger) |
762 | 0 | { |
763 | 0 | poVecSeg->AddField(poFieldDefn->GetNameRef(), |
764 | 0 | PCIDSK::FieldTypeInteger, "", ""); |
765 | 0 | poFeatureDefn->AddFieldDefn(poFieldDefn); |
766 | 0 | } |
767 | 0 | else if (poFieldDefn->GetType() == OFTReal) |
768 | 0 | { |
769 | 0 | poVecSeg->AddField(poFieldDefn->GetNameRef(), |
770 | 0 | PCIDSK::FieldTypeDouble, "", ""); |
771 | 0 | poFeatureDefn->AddFieldDefn(poFieldDefn); |
772 | 0 | } |
773 | 0 | else if (poFieldDefn->GetType() == OFTString) |
774 | 0 | { |
775 | 0 | poVecSeg->AddField(poFieldDefn->GetNameRef(), |
776 | 0 | PCIDSK::FieldTypeString, "", ""); |
777 | 0 | poFeatureDefn->AddFieldDefn(poFieldDefn); |
778 | 0 | } |
779 | 0 | else if (poFieldDefn->GetType() == OFTIntegerList) |
780 | 0 | { |
781 | 0 | poVecSeg->AddField(poFieldDefn->GetNameRef(), |
782 | 0 | PCIDSK::FieldTypeCountedInt, "", ""); |
783 | 0 | poFeatureDefn->AddFieldDefn(poFieldDefn); |
784 | 0 | } |
785 | 0 | else if (bApproxOK) |
786 | 0 | { |
787 | | // Fallback to treating everything else as a string field. |
788 | 0 | OGRFieldDefn oModFieldDefn(poFieldDefn); |
789 | 0 | oModFieldDefn.SetType(OFTString); |
790 | 0 | poVecSeg->AddField(poFieldDefn->GetNameRef(), |
791 | 0 | PCIDSK::FieldTypeString, "", ""); |
792 | 0 | poFeatureDefn->AddFieldDefn(&oModFieldDefn); |
793 | 0 | } |
794 | 0 | else |
795 | 0 | { |
796 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
797 | 0 | "Attempt to create field '%s' of unsupported data type.", |
798 | 0 | poFieldDefn->GetNameRef()); |
799 | 0 | } |
800 | 0 | } |
801 | | |
802 | | /* -------------------------------------------------------------------- */ |
803 | | /* Trap exceptions and report as CPL errors. */ |
804 | | /* -------------------------------------------------------------------- */ |
805 | 0 | catch (const PCIDSK::PCIDSKException &ex) |
806 | 0 | { |
807 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "%s", ex.what()); |
808 | 0 | return OGRERR_FAILURE; |
809 | 0 | } |
810 | 0 | catch (...) |
811 | 0 | { |
812 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "Non-PCIDSK exception trapped."); |
813 | 0 | return OGRERR_FAILURE; |
814 | 0 | } |
815 | | |
816 | 0 | m_oMapFieldNameToIdx[poFieldDefn->GetNameRef()] = |
817 | 0 | poFeatureDefn->GetFieldCount() - 1; |
818 | |
|
819 | 0 | return OGRERR_NONE; |
820 | 0 | } |