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GRASS GIS 8.3.2 Reference Manual

Geographic Resources Analysis Support System, commonly referred to as GRASS GIS, is a Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies.

This reference manual details the use of modules distributed with Geographic Resources Analysis Support System (GRASS), an open source (GNU GPLed), image processing and geographic information system (GIS). Go to 3D raster introduction | topics

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3d raster commands

r3.colorsCreates/modifies the color table associated with a 3D raster map.
r3.colors.outExports the color table associated with a 3D raster map.
r3.cross.rastCreates cross section 2D raster map from 3D raster map based on 2D elevation map
r3.flowComputes 3D flow lines and 3D flow accumulation.
r3.gradientComputes gradient of a 3D raster map and outputs gradient components as three 3D raster maps.
r3.gwflowNumerical calculation program for transient, confined groundwater flow in three dimensions.
r3.in.asciiConverts a 3D ASCII raster text file into a (binary) 3D raster map.
r3.in.binImports a binary raster file into a GRASS 3D raster map.
r3.in.v5dImport 3-dimensional Vis5D files.
r3.in.xyzCreate a 3D raster map from an assemblage of many coordinates using univariate statistics
r3.infoOutputs basic information about a user-specified 3D raster map layer.
r3.mapcalcRaster map calculator.
r3.maskEstablishes the current working 3D raster mask.
r3.mkdspfCreates a display file from an existing 3D raster map according to specified threshold levels.
r3.neighborsMakes each voxel value a function of the values assigned to the voxels around it, and stores new voxel values in an output 3D raster map
r3.nullExplicitly create the 3D NULL-value bitmap file.
r3.out.asciiConverts a 3D raster map layer into a ASCII text file.
r3.out.binExports a GRASS 3D raster map to a binary array.
r3.out.netcdfExport a 3D raster map as netCDF file.
r3.out.v5dExports GRASS 3D raster map to 3-dimensional Vis5D file.
r3.out.vtkConverts 3D raster maps into the VTK-ASCII format.
r3.retileRetiles an existing 3D raster map with user defined x, y and z tile size.
r3.statsGenerates volume statistics for 3D raster maps.
r3.supportAllows creation and/or modification of 3D raster map layer support files.
r3.timestampModifies a timestamp for a 3D raster map.
r3.to.rastConverts 3D raster maps to 2D raster maps
r3.univarCalculates univariate statistics from the non-null cells of a 3D raster map.

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GRASS 8.3.2 GRASS GIS User's Manual