Hi all,
according to https://ardupilot.org/copter/docs/terrain-following.html#terrain-following the terrain data is either pulled via GCS/Internet or may be generated using https://terrain.ardupilot.org/ and then stored under APM/TERRAIN.
The problem in our case is the height information from the SRTM data is not accurate enough as we fly in mountainous areas. Traditionally we create flight plans in Mission Planner with relative height using a high resolution .tif file which is imported to ProgramData/Mission Planner/STRM. So then we have “GeoTIFF” indicated in the Flight Plan screen.
I tried storing the .tif on the SD card under APM/TERRAIN and tested it, however failsafe “terrain data missing” triggered. I noticed the data generated by https://terrain.ardupilot.org/ is output as .DAT file. I have very limited knowledge about all these different file types.
Is it possible to use .tif files as terrain source when creating a “terrain” flight plan? Do I somehow have to convert it?
Many thanks.