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I want to know whether we can perform 3d analyst in Q-Gis? If yes, means where is that option present?

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    What kind of 3D stuff do you need.
    – Nathan W
    Commented Jul 11, 2013 at 11:13
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    @arun If your work is related with terrain data then you can Please check following link qgis.spatialthoughts.com/2012/03/… & Most of the times QGIS is better than ArcGIS : )
    – Sunil
    Commented Jul 11, 2013 at 11:21
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    @ Nathan W i want to perform Raster math and Interpolation.
    – Arun
    Commented Jul 11, 2013 at 12:00
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    You have both a raster calculator and an Interpolation plugin. Commented Jul 11, 2013 at 13:03
  • i want to develope TIN from raster is it possible as in the case of ARC GIS?
    – Arun
    Commented Jul 13, 2013 at 6:36

1 Answer 1

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In 3D rasters, with three spatial dimensions plus a data value dimension, the point elements are called voxels. GRASS GIS provides voxel operations. Map algebra tools are provided in r3.mapcalc.

If you are unfamiliar with how to set up QGIS to take advantage of these tools check out the QGIS GRASS Cookbook, or for a more visual tutorial see Setting Up A Working GRASS Environment in QGIS.

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