Great to hear:-) Thank you! Michał
pon., 1 lip 2024 o 19:13 Even Rouault <even.roua...@spatialys.com> napisał(a): > Michał, > Le 01/07/2024 à 18:49, Michał Kowalczuk via gdal-dev a écrit : > > Did my email reached gdal mailing list? > > yes, it did. I just had a look > > There's indeed an issue in the WMTS driver which I've ticketed at > https://github.com/OSGeo/gdal/issues/10348 . See bottom of the ticket for > a workaround. > > Even > > > Regards > Michal > ------ Wiadomość przekazana dalej ------ > Od: Michał Kowalczuk <michkowalc...@gmail.com> > Data: pt., 28.06.2024 o 14:59 > Temat: WMTS huge difference in performance - cache issue > Do: <gdal-dev@lists.osgeo.org> > > > Hi, > I have two sample WMTS servers. > The first is a Polish geoportal: > https://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500 > and the second is German: > https://basemap.de/dienste/wmts_capabilities_web_raster.xml > Both work well in QGIS. > I use C API for creating bitmaps in my area of interest. > I use GDALDatasetRasterIO function directly with WMTS dataset and > appropriate arguments. > The first Polish server works smoothly for different extents, different > widths and heights of my output image. Unfortunately, the second one > (German) lasts forever. > During debugging I concluded the thesis that every GDALDatasetRasterIO in > my loop over raster lines, GDAL do not use cache but redownload the same > tiles. > > Below is a fragment from GDAL log for well-working Polish server: > > > > > > > > > > > > > *[Fri Jun 28 13:06:16 2024].5430, 66.7590: HTTP: Requesting [1/3] > http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=0 > <http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=0> > [Fri Jun 28 13:06:16 2024].5430, 66.7590: HTTP: Requesting [2/3] > http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=1 > <http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=1> > [Fri Jun 28 13:06:16 2024].6670, 66.8830: HTTP: Requesting [3/3] > http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=2 > <http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=2> > [Fri Jun 28 13:06:16 2024].8230, 67.0390: HTTP: Request [0] > http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=0 > <http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=0> > : status = 200, type = image/png, error = (null) [Fri Jun 28 13:06:16 > 2024].8230, 67.0390: HTTP: Request [1] > http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=1 > <http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=1> > : status = 200, type = image/png, error = (null) [Fri Jun 28 13:06:16 > 2024].8230, 67.0390: HTTP: Request [2] > http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=2 > <http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/G2_MOBILE_500?service=WMTS&request=GetTile&version=1.0.0&layer=G2_MOBILE_500&style=default&format=image/png&TileMatrixSet=EPSG:2180&TileMatrix=EPSG:2180:4&TileRow=2&TileCol=2> > : status = 200, type = image/png, error = (null) [Fri Jun 28 13:06:16 > 2024].8240, 67.0400: GDAL: > GDALOpen(/vsimem/wms/0000022663367550/wmsresult.dat, this=000002266059B0E0) > succeeds as PNG. [Fri Jun 28 13:06:16 2024].8260, 67.0420: GDAL: > GDALClose(/vsimem/wms/0000022663367550/wmsresult.dat, > this=000002266059B0E0) [Fri Jun 28 13:06:16 2024].8270, 67.0430: GDAL: > GDALOpen(/vsimem/wms/00000226632272D0/wmsresult.dat, this=000002266059B0E0) > succeeds as PNG. [Fri Jun 28 13:06:16 2024].8300, 67.0460: GDAL: > GDALClose(/vsimem/wms/00000226632272D0/wmsresult.dat, > this=000002266059B0E0) [Fri Jun 28 13:06:16 2024].8300, 67.0460: GDAL: > GDALOpen(/vsimem/wms/0000022661BEC8D0/wmsresult.dat, this=000002266059B0E0) > succeeds as PNG. [Fri Jun 28 13:06:16 2024].8330, 67.0490: GDAL: > GDALClose(/vsimem/wms/0000022661BEC8D0/wmsresult.dat, > this=000002266059B0E0) * > And here is log snippet for German server: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > *[Fri Jun 28 13:16:02 2024].0840, 652.3000: HTTP: Requesting [1/5] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/0.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/0.png> > [Fri Jun 28 13:16:02 2024].0840, 652.3000: HTTP: Requesting [2/5] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/1.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/1.png> > [Fri Jun 28 13:16:02 2024].2690, 652.4850: HTTP: Requesting [3/5] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/2.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/2.png> > [Fri Jun 28 13:16:02 2024].2870, 652.5030: HTTP: Requesting [4/5] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/3.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/3.png> > [Fri Jun 28 13:16:02 2024].3140, 652.5300: HTTP: Requesting [5/5] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png> > [Fri Jun 28 13:16:02 2024].5970, 652.8130: HTTP: Request [0] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/0.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/0.png> > : status = 200, type = image/png, error = (null) [Fri Jun 28 13:16:02 > 2024].5970, 652.8130: HTTP: Request [1] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/1.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/1.png> > : status = 200, type = image/png, error = (null) [Fri Jun 28 13:16:02 > 2024].5970, 652.8130: HTTP: Request [2] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/2.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/2.png> > : status = 200, type = image/png, error = (null) [Fri Jun 28 13:16:02 > 2024].5970, 652.8130: HTTP: Request [3] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/3.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/3.png> > : status = 200, type = image/png, error = (null) [Fri Jun 28 13:16:02 > 2024].5970, 652.8130: HTTP: Request [4] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png> > : status = 0, type = (null), error = (null) [Fri Jun 28 13:16:02 > 2024].5970, 652.8130: GDAL: > GDALOpen(/vsimem/wms/0000022661D59690/wmsresult.dat, this=000002266059B0E0) > succeeds as PNG. [Fri Jun 28 13:16:02 2024].5990, 652.8150: GDAL: > GDALClose(/vsimem/wms/0000022661D59690/wmsresult.dat, > this=000002266059B0E0) [Fri Jun 28 13:16:02 2024].6190, 652.8350: WMS: > Clean cache [Fri Jun 28 13:16:02 2024].6190, 652.8350: GDAL: > GDALOpen(/vsimem/wms/000002266237A190/wmsresult.dat, this=000002266059B0E0) > succeeds as PNG. [Fri Jun 28 13:16:02 2024].6200, 652.8360: GDAL: > GDALClose(/vsimem/wms/000002266237A190/wmsresult.dat, > this=000002266059B0E0) [Fri Jun 28 13:16:02 2024].6340, 652.8500: GDAL: > GDALOpen(/vsimem/wms/0000022662340E00/wmsresult.dat, this=000002266059B0E0) > succeeds as PNG. [Fri Jun 28 13:16:02 2024].6340, 652.8500: GDAL: > GDALClose(/vsimem/wms/0000022662340E00/wmsresult.dat, > this=000002266059B0E0) [Fri Jun 28 13:16:02 2024].6350, 652.8510: GDAL: > GDALOpen(/vsimem/wms/00000226605A35B0/wmsresult.dat, this=000002266059B0E0) > succeeds as PNG. [Fri Jun 28 13:16:02 2024].6360, 652.8520: GDAL: > GDALClose(/vsimem/wms/00000226605A35B0/wmsresult.dat, > this=000002266059B0E0) [Fri Jun 28 13:16:02 2024].6360, 652.8520: WMS: > ReadBlockFromCache [Fri Jun 28 13:16:02 2024].6370, 652.8530: CPLError: > ./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/0/b/0bab9c0d45a96010ec0092c98e78a52d: > No such file or directory ERROR 4: > ./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/0/b/0bab9c0d45a96010ec0092c98e78a52d: > No such file or directory [Fri Jun 28 13:16:02 2024].6370, 652.8530: > CPLError: GDALWMS: Unable to open downloaded block. ERROR 1: GDALWMS: > Unable to open downloaded block. [Fri Jun 28 13:16:02 2024].6370, 652.8530: > WMS: After ReadBlockFromCache [Fri Jun 28 13:16:02 2024].6370, 652.8530: > CPLError: GDALWMS: Unable to download block 4, 0. URL: HTTP status code: > 0, error: (null). Add the HTTP status code to <ZeroBlockHttpCodes> to > ignore this error (see http://www.gdal.org/frmt_wms.html > <http://www.gdal.org/frmt_wms.html>). ERROR 1: GDALWMS: Unable to download > block 4, 0. URL: HTTP status code: 0, error: (null). Add the HTTP status > code to <ZeroBlockHttpCodes> to ignore this error (see > http://www.gdal.org/frmt_wms.html <http://www.gdal.org/frmt_wms.html>). > [Fri Jun 28 13:16:02 2024].6370, 652.8530: CPLError: GDAL_WMS>, band 3: > IReadBlock failed at X offset 0, Y offset 0: GDALWMS: Unable to download > block 4, 0. URL: HTTP status code: 0, error: (null). Add the HTTP status > code to <ZeroBlockHttpCodes> to ignore this error (see > http://www.gdal.org/frmt_wms.html <http://www.gdal.org/frmt_wms.html>). > ERROR 1: GDAL_WMS>, band 3: IReadBlock failed at X offset 0, Y offset 0: > GDALWMS: Unable to download block 4, 0. URL: HTTP status code: 0, error: > (null). Add the HTTP status code to <ZeroBlockHttpCodes> to ignore this > error (see http://www.gdal.org/frmt_wms.html > <http://www.gdal.org/frmt_wms.html>). [Fri Jun 28 13:16:02 2024].6380, > 652.8540: GDAL: > GDALOpen(./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/1/5/15b3159bb18ea6f97264bd4d0bac680e, > this=000002266059B0E0) succeeds as PNG. [Fri Jun 28 13:16:02 2024].6380, > 652.8540: GDAL: > GDALClose(./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/1/5/15b3159bb18ea6f97264bd4d0bac680e, > this=000002266059B0E0) [Fri Jun 28 13:16:02 2024].6390, 652.8550: HTTP: > Requesting [1/1] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png> > [Fri Jun 28 13:16:02 2024].8540, 653.0700: HTTP: Request [0] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png> > : status = 0, type = (null), error = (null) [Fri Jun 28 13:16:02 > 2024].8540, 653.0700: WMS: ReadBlockFromCache [Fri Jun 28 13:16:02 > 2024].8550, 653.0710: CPLError: > ./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/0/b/0bab9c0d45a96010ec0092c98e78a52d: > No such file or directory ERROR 4: > ./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/0/b/0bab9c0d45a96010ec0092c98e78a52d: > No such file or directory [Fri Jun 28 13:16:02 2024].8550, 653.0710: > CPLError: GDALWMS: Unable to open downloaded block. ERROR 1: GDALWMS: > Unable to open downloaded block. [Fri Jun 28 13:16:02 2024].8550, 653.0710: > WMS: After ReadBlockFromCache [Fri Jun 28 13:16:02 2024].8550, 653.0710: > CPLError: GDALWMS: Unable to download block 4, 0. URL: HTTP status code: > 0, error: (null). Add the HTTP status code to <ZeroBlockHttpCodes> to > ignore this error (see http://www.gdal.org/frmt_wms.html > <http://www.gdal.org/frmt_wms.html>). ERROR 1: GDALWMS: Unable to download > block 4, 0. URL: HTTP status code: 0, error: (null). Add the HTTP status > code to <ZeroBlockHttpCodes> to ignore this error (see > http://www.gdal.org/frmt_wms.html <http://www.gdal.org/frmt_wms.html>). > [Fri Jun 28 13:16:02 2024].8550, 653.0710: CPLError: GDAL_WMS>, band 3: > IReadBlock failed at X offset 0, Y offset 0: GDALWMS: Unable to download > block 4, 0. URL: HTTP status code: 0, error: (null). Add the HTTP status > code to <ZeroBlockHttpCodes> to ignore this error (see > http://www.gdal.org/frmt_wms.html <http://www.gdal.org/frmt_wms.html>). > ERROR 1: GDAL_WMS>, band 3: IReadBlock failed at X offset 0, Y offset 0: > GDALWMS: Unable to download block 4, 0. URL: HTTP status code: 0, error: > (null). Add the HTTP status code to <ZeroBlockHttpCodes> to ignore this > error (see http://www.gdal.org/frmt_wms.html > <http://www.gdal.org/frmt_wms.html>). [Fri Jun 28 13:16:02 2024].8560, > 653.0720: GDAL: > GDALOpen(./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/1/5/15b3159bb18ea6f97264bd4d0bac680e, > this=000002266059B0E0) succeeds as PNG. [Fri Jun 28 13:16:02 2024].8560, > 653.0720: GDAL: > GDALClose(./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/1/5/15b3159bb18ea6f97264bd4d0bac680e, > this=000002266059B0E0) [Fri Jun 28 13:16:02 2024].8570, 653.0730: HTTP: > Requesting [1/1] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png> > [Fri Jun 28 13:16:03 2024].0760, 653.2920: HTTP: Request [0] > https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png > <https://sgx.geodatenzentrum.de/wmts_basemapde/tile/1.0.0/de_basemapde_web_raster_farbe/default/DE_EPSG_25832_ADV/02/0/4.png> > : status = 0, type = (null), error = (null) [Fri Jun 28 13:16:03 > 2024].0760, 653.2920: WMS: ReadBlockFromCache [Fri Jun 28 13:16:03 > 2024].0760, 653.2920: CPLError: > ./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/0/b/0bab9c0d45a96010ec0092c98e78a52d: > No such file or directory ERROR 4: > ./gdalwmscache\76ac5c8f3010af4e1a17a26a53e6ac32/0/b/0bab9c0d45a96010ec0092c98e78a52d: > No such file or directory [Fri Jun 28 13:16:03 2024].0760, 653.2920: > CPLError: GDALWMS: Unable to open downloaded block. ERROR 1: GDALWMS: > Unable to open downloaded block. [Fri Jun 28 13:16:03 2024].0760, 653.2920: > WMS: After ReadBlockFromCache [Fri Jun 28 13:16:03 2024].0760, 653.2920: > CPLError: GDALWMS: Unable to download block 4, 0. URL: HTTP status code: > 0, error: (null). Add the HTTP status code to <ZeroBlockHttpCodes> to > ignore this error (see http://www.gdal.org/frmt_wms.html > <http://www.gdal.org/frmt_wms.html>). ERROR 1: GDALWMS: Unable to download > block 4, 0. URL: HTTP status code: 0, error: (null). Add the HTTP status > code to <ZeroBlockHttpCodes> to ignore this error (see > http://www.gdal.org/frmt_wms.html <http://www.gdal.org/frmt_wms.html>). > [Fri Jun 28 13:16:03 2024].0760, 653.2920: CPLError: GDAL_WMS>, band 3: > IReadBlock failed at X offset 0, Y offset 0: GDALWMS: Unable to download > block 4, 0. URL: HTTP status code: 0, error: (null). Add the HTTP status > code to <ZeroBlockHttpCodes> to ignore this error (see > http://www.gdal.org/frmt_wms.html <http://www.gdal.org/frmt_wms.html>). > ERROR 1: GDAL_WMS>, band 3: IReadBlock failed at X offset 0, Y offset 0: > GDALWMS: Unable to download block 4, 0. URL: HTTP status code: 0, error: > (null). Add the HTTP status code to <ZeroBlockHttpCodes> to ignore this > error (see http://www.gdal.org/frmt_wms.html > <http://www.gdal.org/frmt_wms.html>).* > > How you see, GDAL tries to open cache that does not exist. > But in fact, it exist. I found all necessary tile for full extent map > request in gdalwmscache folder. > I can not send it in this email because of message size limits. > > Regards, > Michał > > _______________________________________________ > gdal-dev mailing > listgdal-dev@lists.osgeo.orghttps://lists.osgeo.org/mailman/listinfo/gdal-dev > > -- http://www.spatialys.com > My software is free, but my time generally not. > >
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