Hi
Sorry Joaquim but I'm really trying to find a solution based on GDAL.
Thanks
Antonio

I have a close functionality in Mirone but it was developed mainly for grids, though it works also with images. With a grid/image loaded, load the polygon too. Next right-click on the polygon line and select ROI Crop Tools -> Crop Image (or any of the other related options) and it's done. One thing you may not like is that the resulting image is not of the same size (extent) as the original. This is so because I (don't remember anymore why) decided to save only the extent corresponding to the BoundingBox of the polygon. Joaquim

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