Thanks Eric, sounds really good. Is there a way to save the resulting file (clipped) as an ECW file? I need to process it later with a 3rd party software.
Regards 2014-03-03 23:26 GMT+01:00 Eric Goddard <[email protected]>: > Hi asher, if you go to raster -> miscellaneous, there is a menu entry > called build virtual raster catalog. You can use that to virtually mosaic > all of your ECW files. This tool creates a new file you can load in as a > raster that references all of the individual ECW files to display them > seamlessly in qgis without having to spend the time to actually mosaic all > of them together. Load the resulting vrt file into qgis using add raster > and clip the vrt to your polygon layer using raster -> extraction -> > clipper. > > Eric > On Mar 3, 2014 3:53 PM, "Asher Kamiraze" <[email protected]> wrote: > >> Hi all, >> >> I have a set of more than 200 ecw rasters that I can easily load in QGIS. >> I also have a vector polygon layer which bounds an area covering a part of >> the area covered by the whole set of rasters. What I would like to do is to >> extract only, the raster which are intersected by the vector boundary. As a >> final goal, I would like to only mosaic thoses images. I did not found a >> way to easily do this in QGIS. Any idea on how to achieve this? >> >> As a workaround, I have opened only the raster intersecting the vector, >> and would like to mosaic them. However, it does not seem to be a function >> in QGIS ready to mosaic all opened (or selected) rasters. Any idea on how >> to automate the process? >> >> Hope you could help >> >> Regards >> >> _______________________________________________ >> Qgis-user mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/qgis-user >> >
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