Hi Daniel
Many thanks for taking a look at my dilemma and providing a solution that works.
Best wishes, Simon.
Simon Wright
GISMO Scrum Master and RML Head of Software
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Simon,
Setting the NoData value of your mask band to 255 instead of 0 should cause
pixels not covered by a mask tile to be considered valid.
Dan
On Mon, Feb 24, 2025 at 2:37 PM Simon Wright via gdal-dev <
gdal-dev@lists.osgeo.org> wrote:
> Dear subscribers
>
> I'm exploring the use of a VRT to
Dear subscribers
I'm exploring the use of a VRT to mosaic raster tiles while also applying a
mask layer using separate mask tiles.
Below is a VRT I created to test this approach:
GEOGCS["WGS
84",DATUM["WGS_1984",SPHEROID["WGS
84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EP
