Hi,
is it possible to censor specific areas of an aerial image using GDAL? I have several smaller tiles that I've already transformed into my desired coordinate system and generated internal pyramids. Subsequently, I would like to censor certain areas based on polygons (e.g., from a shapefile or an Oracle DB) (coloring them grayish). Set the color must be done after transforming coordinatesystem and generating pyramids. I usually use the compiled Windows binaries from gisinternals.com. Presumably, my plan doesn't work with that, right? At least I haven't found anything in that direction. I suppose this could be done with a Python, but I've never worked with Python before. Do I need to adjust the internal pyramids as well? Or do I have to recreate them? Could you please show me a brief example of how it could work, so I have an approach? I just need an idea of how to implement this and possibly some tips on what else I need to consider. Regards, Carsten
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