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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#467886" vlink="#96607D" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>is it possible to censor specific areas of an aerial image using GDAL?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have several smaller tiles that I've already transformed into my desired coordinate system and generated internal pyramids.<o:p></o:p></p><p class=MsoNormal>Subsequently, I would like to censor certain areas based on polygons (e.g., from a shapefile or an Oracle DB) (coloring them grayish).<o:p></o:p></p><p class=MsoNormal>Set the color must be done after transforming coordinatesystem and generating pyramids.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I usually use the compiled Windows binaries from gisinternals.com.<o:p></o:p></p><p class=MsoNormal>Presumably, my plan doesn't work with that, right? At least I haven't found anything in that direction.<o:p></o:p></p><p class=MsoNormal>I suppose this could be done with a Python, but I've never worked with Python before.<o:p></o:p></p><p class=MsoNormal>Do I need to adjust the internal pyramids as well? Or do I have to recreate them?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Could you please show me a brief example of how it could work, so I have an approach?<o:p></o:p></p><p class=MsoNormal>I just need an idea of how to implement this and possibly some tips on what else I need to consider.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards,<o:p></o:p></p><p class=MsoNormal>Carsten<o:p></o:p></p></div></body></html>