/src/gdal/frmts/wms/minidriver_worldwind.cpp
Line | Count | Source |
1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: WMS Client Driver |
4 | | * Purpose: Implementation of Dataset and RasterBand classes for WMS |
5 | | * and other similar services. |
6 | | * Author: Adam Nowacki, nowak@xpam.de |
7 | | * |
8 | | ****************************************************************************** |
9 | | * Copyright (c) 2007, Adam Nowacki |
10 | | * |
11 | | * SPDX-License-Identifier: MIT |
12 | | ****************************************************************************/ |
13 | | |
14 | | #include "wmsdriver.h" |
15 | | #include "minidriver_worldwind.h" |
16 | | |
17 | | WMSMiniDriver_WorldWind::WMSMiniDriver_WorldWind() |
18 | 0 | { |
19 | 0 | } |
20 | | |
21 | | WMSMiniDriver_WorldWind::~WMSMiniDriver_WorldWind() |
22 | 0 | { |
23 | 0 | } |
24 | | |
25 | | CPLErr WMSMiniDriver_WorldWind::Initialize(CPLXMLNode *config, |
26 | | CPL_UNUSED char **papszOpenOptions) |
27 | 0 | { |
28 | 0 | CPLErr ret = CE_None; |
29 | | |
30 | | // Try both spellings |
31 | 0 | m_base_url = CPLGetXMLValue(config, "ServerURL", |
32 | 0 | CPLGetXMLValue(config, "ServerUrl", "")); |
33 | |
|
34 | 0 | if (m_base_url.empty()) |
35 | 0 | { |
36 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
37 | 0 | "GDALWMS, TileService mini-driver: ServerURL missing."); |
38 | 0 | ret = CE_Failure; |
39 | 0 | } |
40 | 0 | else |
41 | 0 | { // Prepare the url, leave it ready for extra arguments |
42 | 0 | const char *dataset = CPLGetXMLValue(config, "Layer", ""); |
43 | 0 | URLPrepare(m_base_url); |
44 | 0 | m_base_url += CPLOPrintf("T=%s", dataset); |
45 | 0 | } |
46 | |
|
47 | 0 | m_oSRS.importFromEPSG(4326); |
48 | 0 | return ret; |
49 | 0 | } |
50 | | |
51 | | CPLErr WMSMiniDriver_WorldWind::TiledImageRequest( |
52 | | WMSHTTPRequest &request, const GDALWMSImageRequestInfo &iri, |
53 | | const GDALWMSTiledImageRequestInfo &tiri) |
54 | 0 | { |
55 | 0 | CPLString &url = request.URL; |
56 | 0 | const GDALWMSDataWindow *data_window = m_parent_dataset->WMSGetDataWindow(); |
57 | 0 | int worldwind_y = |
58 | 0 | static_cast<int>(floor( |
59 | 0 | ((data_window->m_y1 - data_window->m_y0) / (iri.m_y1 - iri.m_y0)) + |
60 | 0 | 0.5)) - |
61 | 0 | tiri.m_y - 1; |
62 | | // http://worldwind25.arc.nasa.gov/tile/tile.aspx?T=geocover2000&L=0&X=86&Y=39 |
63 | 0 | url = m_base_url + |
64 | 0 | CPLOPrintf("L=%d&X=%d&Y=%d", tiri.m_level, tiri.m_x, worldwind_y); |
65 | 0 | return CE_None; |
66 | 0 | } |