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 create the Hillshade and the Colour rendered DSM using `gdaldem`. I want to overlay these on top of each other, and create one GeoTiff, which I can then feed into gdal2tiles. How do I go about merging the hillshade and DSM into one, using GDAL on the command lines? The only link I found was this ( https://gis.stackexchange.com/questions/255537/merging-hillshade-dem-data-into-color-relief-single-geotiff-with-qgis-and-gdal ) But using those commands gives me an output which looks nothing like the output in QGIS when overlaying the two layers. (It gives me a Raster which has lots of whites and greys, and very little of the Coloured DSM can be seen) Regards, Devdatta
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