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GRASS GIS - Create Mask for 3D raster using 2D raster interpolated Surfaces (top and bot)



The Next CEO of Stack OverflowHow to increase mask buffer and then offset it using r.mapcalc in GRASS?Importing raster and vector: GRASS GIS 6.4.4Displaying a Digitial Elevation Model using GRASS GIS draped by an RGB RasterHow can I create polygons for a 3D map from a DEM in grass/qgisWatershed analysis using GRASS GISExtracting raster values at points for GRASS GISVectorization of Raster tiles in QGIS and GRASSGrass gis - 3D data set interpolate to 3D rasterDEM from Vector to Raster in GRASS GISGRASS GIS - Keep raster below/above surface










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I created a 3D raster using V.VOl.RST with GRass GIS, and i noticed that using r3.mapcalc, we cannot include 2D raster. I would like to keep the portion of the 3D raster that is between a DEM (top surface) and the top of Bedrock (bottom surface). I am able to do this using a 2D raster for each slice of elevation and keeping the portions of the raster that are between the DEM and bedrock but no with a 3D raster. I am looking at using r3.torast to export the 3d raster in over 200 layers and running the mask for each layer but that is time consuming.










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    0















    I created a 3D raster using V.VOl.RST with GRass GIS, and i noticed that using r3.mapcalc, we cannot include 2D raster. I would like to keep the portion of the 3D raster that is between a DEM (top surface) and the top of Bedrock (bottom surface). I am able to do this using a 2D raster for each slice of elevation and keeping the portions of the raster that are between the DEM and bedrock but no with a 3D raster. I am looking at using r3.torast to export the 3d raster in over 200 layers and running the mask for each layer but that is time consuming.










    share|improve this question


























      0












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      0








      I created a 3D raster using V.VOl.RST with GRass GIS, and i noticed that using r3.mapcalc, we cannot include 2D raster. I would like to keep the portion of the 3D raster that is between a DEM (top surface) and the top of Bedrock (bottom surface). I am able to do this using a 2D raster for each slice of elevation and keeping the portions of the raster that are between the DEM and bedrock but no with a 3D raster. I am looking at using r3.torast to export the 3d raster in over 200 layers and running the mask for each layer but that is time consuming.










      share|improve this question
















      I created a 3D raster using V.VOl.RST with GRass GIS, and i noticed that using r3.mapcalc, we cannot include 2D raster. I would like to keep the portion of the 3D raster that is between a DEM (top surface) and the top of Bedrock (bottom surface). I am able to do this using a 2D raster for each slice of elevation and keeping the portions of the raster that are between the DEM and bedrock but no with a 3D raster. I am looking at using r3.torast to export the 3d raster in over 200 layers and running the mask for each layer but that is time consuming.







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