Questions tagged [building-heights]

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CHM (Canopy height model) = DSM (Digital surface model) - DTM (Digital terrain model)

I want to create a canopy height model (CHM) which has the height of objects (trees, building, etc.) from DSM and DTM. Below is the step by step procedures which I did so far. I use open source s2p ...
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Extract multiple building height from Google Earth (not DEM)

I'm looking for the height of the Chicago buildings but I can not find them. so I thought to approximate the height using the building:levels field of OSM, multiplying it by 3.5m. But there are ...