Calculating Building Heights From LiDAR Data (or any heights from DSM & DTM)

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This quick tutorial talks you through how to calculate building heights from LiDAR elevation data, taking advantage of the digital terrain model (DTM) and digital surface model (DSM), along with zonal statistics tools.

This is a really useful way of adding height values to any vector features, which can later be used to assist with 3D visualisation.

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  1. AMDGS
  2. LiDAR
  3. terrain
  4. digital terrain model
  5. digital surface model
  6. DTM
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Комментарии
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Hi AMDGS can please add the links to videos of the digital terrain model (DTM) and digital surface model (DSM)?

sharabih
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This is great thanks, I am using two tiles to get the area I'm interested in. The first pair of DSM and DTM work great. But when I do the second pair it just goes white. Like I've subtracted everything! I have double checked the layers and they are visually different, one a terrain and the other surface info. Does this mean anything to you?

RicRT-ht
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Hi AMDGS, can you provide the source where you pulled out the vector layer with the buildings?

martinceballos