Topo to 3D

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How to make a printable 3D model from topo maps - notes.


Get the topo map, in GeoTiff format. Possible sources are:


Convert the GeoTiff file to USGS ASCII DEM format. Possible tools are: 

sudo apt install gdal-bin
gdal_translate -of AAIGrid /yoursourcepath/output_alos.tif /youroutputpath/out.asc
  • Or from another program like QGIS. Load your raster file and then from the menu: Raster->Conversion->Translate. You will have to manually edit the command to change the format from GTiff to AAIGrid
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