[osg-users] How to validate the value of height Above Terrain

Suraj Paul suraj at isac.gov.in
Wed Nov 9 21:10:55 PST 2016


I am trying to find out the height above a terrain (HAT).

Currently im reading terrain DEM in .ive format and using getHeightAboveTerrain() i m computing the HAT for given point (lat/lon and its altitude is available). 

I wish to check the output of my programme is correct by validating the obtained HAT results using another source. Any hints on this?

I am basically looking for a terrain DEM where its HAT at each location is already available so that i can match the HAT computation of my programme with it.

Any clues would be very helpful.


Thank you!


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