I am exploring how to convert terrain information (DTED, SRTM, etc) to a 3D mesh file. Collada is preferrable as it is very compatible.
I have read this: Converting dem and geotiff to collada model with texture?
and followed the process of exporting terrain in QGIS using Qgis2threejs, selecting the File Export template, but no .dae file object is created - only several .js files.
I get that broad questions are frowned upon on SE, but I'm not sure how else to phrase it. Does anyone have a recommended method to convert a terrain raster to .dae or other widely compatible 3D file format?