On mercredi 24 octobre 2018 10:50:14 CEST Guy Doulberg wrote: > Hi guys > > I have a raster with NODATA value defined > > I am creating overviews on top of that raster, using the gdaladdo > > When using the overviews should I consider the NODATA value when reading > the pixels, or all pixels in the overviews are valid?
Some of them might be set to NODATA. gdaladdo doesn't know how to create validity from invalidity ;-) > > When calculating the overviews does gdaladdo consider the NODATA values as > invalid pixels? Yes Even -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/gdal-dev
