[gdal-dev] How do I merge a semi-transparent hillshade and a colour rendered DSM for better Visualization?

Hi all, My objective is to Tile a DSM in GeoTiff format, so that it can be overlayed on a OpenLayers Web Map. A common technique in Desktop GIS is to give 10% Transparency to a Hilshade and add it on top of a Colour rendered DEM. I want to do the same on the command line. I have managed to creat

Re: [gdal-dev] How to get the same behaviour as the 'Difference tool' of QGIS, in ogr2ogr?

ture=de7d85fbbe1e0bcd> > > > > On Wed, May 10, 2023 at 1:26 PM Devdatta Tengshe > wrote: > >> I have a shapefile with lines, and another with polygons. I want to >> generate an output of those lines that are not covered by any polygon. >> >> I can perfectly

[gdal-dev] How to get the same behaviour as the 'Difference tool' of QGIS, in ogr2ogr?

I have a shapefile with lines, and another with polygons. I want to generate an output of those lines that are not covered by any polygon. I can perfectly do this in QGIS's Difference tool, but want to do it with og2ogr. (since it will be a part of a cronjob) I tried to do it, using the following