Jon,
Recommended solution: use GDALRasterBand::GetDataCoverageStatus() with
nXOff, nYOff, nXSize, nYSize matching tile offset and size and check
forGDAL_DATA_COVERAGE_STATUS_EMPTY. Cf
https://gdal.org/development/rfc/rfc63_sparse_datasets_improvements.html
(undocumented solution, mostly used
We usually use the SPARSE_OK option when creating GTiffs, but as a lot of our
clients use ArcGIS, we need to ensure that the sparse option is not used for
client deliverables. After a tiff has been created though, it's not easy to
tell whether it is sparse or not. Is there an easy way of detecti
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 i
