Classify point cloud by color

I am a long time Global Mapper user but new to Version 17 and the LiDAR module.

We are looking ways to classify point clouds created with drone based photogrammetry. 

I would like to be able to classify points according to colour.... the long way to achieve this would be to complete a series of RGB value searches to refine my selection to a specific spectrum.

The problem with this is that I need to know the range of RGB values in advance.
What would be nice would be able to select a point and a "tolerance" to find points of "similar" color. 

I haven't been able to find this functionality yet?
Am I missing something here??
If it's not currently part of GM, has anyone written a script that does something similar?? 


  • TRB426TRB426 Global Mapper User Posts: 14
    I too would like to classify by color.
    In a related question, I would like to remove points based on color. In the Filter points option in auto classification, I see a way to keep points with certain color values. How can I do the reverse?
  • imagecatcherimagecatcher Global Mapper User Posts: 17
    As another uav operator doing Photogrammetry, this is very interesting.  Has it been implemented?

  • coelodontacoelodonta Global Mapper User Posts: 29
    me too. 

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