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I have a Cartosat 2.5 m Imagery and Block files along with DSM Data. I wanted to generate DEM using Leica Photogrammetry Suite Software. Does anyone know the steps of generating same?

I have to edit the existing DSM by augmenting with more breaklines / masspoints and editing of existing points to the exact ground surface as visualized on the stereo data supplied.

Also is DSM also in black/white color or is there a way to change bands and update the colors?

How can I perform the same on LPS Software?

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    Welcome to GIS SE. As a new user, please take the Tour, which emphasizes the importance of asking One question per Question. Please Edit the question to focus on one question ad provide more information on what you have attempted.
    – Vince
    Commented Feb 25, 2019 at 15:24
  • To address one part of your question ("is DSM also in black/white color"), a DSM, or digital surface model, is an elevation raster not a photograph, so black and white is expected. You can choose to display it in pseudocolor if you like, see the QGIS Manual > working with rasters > style properties.
    – csk
    Commented Feb 25, 2019 at 17:16

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You want to edit DSM (vector format:ltfx, tin.pro) file in 3D stereo environment, where you can change the color of your mass point, break line and create new to final convert into DEM (DTM).

You can enhance the B/W cartosat image for enhanced clear view.

Any issue in setting up your machine environment, 3D editing and let me know.

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