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  • 1.  Comparing rasters

    Posted 11-27-2019 12:19
    Hi
    I'm trying to compare 2 elevation based rasters to produce a 3rd raster showing the elevation differences between them.  Can this be done and if so how?
    Many thanks

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    simon

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  • 2.  RE: Comparing rasters

    Posted 11-27-2019 22:48
    Edited by Peter Møller 08-24-2023 07:44

    Hi @Simon Luckett thanks for your question. Yes, this calculation can definitely be performed in MapInfo Pro, use the Raster Calculator to subtract one layer from the other and the resulting output is a new raster layer.

    Here's an article that describes how to use the Calculator, also there is a section in this video (starting around 1 min mark)​ that walks through the process. Enjoy!

    Thanks, Ashley

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    Ashley Crane
    Regional Director, Software Support
    Pitney Bowes
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  • 3.  RE: Comparing rasters

    Posted 11-28-2019 09:46
    Thank you so much Ashley, very much appreciated
    Best regards
    Simon

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    simon luckett
    Tarmac Trading Limited.
    Chichester
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    Original Message


  • 4.  RE: Comparing rasters

    Employee
    Posted 11-28-2019 02:03
    Hi Simon,

    Another Raster Processing tool of MapInfo Pro Advanced that could be useful is the Volume tool.
    This will allow you to calculate the volume difference between the two rasters.

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    Peter Horsbøll Møller
    Pitney Bowes
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  • 5.  RE: Comparing rasters

    Posted 11-28-2019 09:53
    Thank you Peter.  I'm due to use the volume tool for the first time shortly so good to know it does exactly what I'm after.
    Best regards
    Simon

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    simon luckett
    Tarmac Trading Limited.
    Chichester
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    Original Message