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Last Post 06 Aug 2012 12:41 AM by  anon
extracting points elevations from satellite images
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anon



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06 Aug 2012 12:41 AM
    Hi All, Can anyone help me out on the best and most simple way of extracting point elevation from satellite images. I would like to draw a profile line over a path on the image and extract the elevations along such path. thanks

    MariM



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    06 Aug 2012 07:40 AM
    There are many ways to get the elevation values from an image. For a path, I would probably use the Tools->Profiles->Arbitrary profile (transect) from the displayed image. You can then draw a line across the image and it will create a spatial profile of those pixel values. You can then save this to ascii or a spectral library.

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    13 Sep 2012 01:23 AM
    Thanks Marim, but can this be done all types of satellite images. I have a SPOT 5 image

    MariM



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    13 Sep 2012 08:18 AM
    You can extract a profile of the pixel values for any type of image. But a SPOT5 image does not itself contain elevation. A DEM would be required to extract elevation.
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