Hi, may be you should look at gdal_polygonize utility [0]. There is a GUI for this utility in Raster-Conversion-Polygonize
[0] http://www.gdal.org/gdal_polygonize.html 2011/8/25 Eelke Folmer <[email protected]>: > Dear all, > I'm looking for a way to construct a polygon file based on raster values > (but not to make a multi-polygon for each raster cell). Similar to > contourlines I suppose except that I want to end up with polygons. I tried > to do it via contourlines but got messy (self-intersections) geometry when > trying to construct polygons from the contourlines. > Any hints on how to do this? > Thanks, > Eelke > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > -- Alexander Bruy _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
