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GRASS GIS 7.6.0 Reference Manual

       Geographic  Resources  Analysis  Support  System,  commonly  referred  to  as  GRASS, 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

       Go back to help overview

   3d raster commands:
       r3.colors                                                    Creates/modifies the color table associated with a 3D raster

       r3.colors.out                                                Exports the color table associated with a 3D raster map.

       r3.cross.rast                                                Creates cross section 2D raster map from 3D raster map based
                                                                    on 2D elevation map

       r3.flow                                                      Computes 3D flow lines and 3D flow accumulation.

       r3.gradient                                                  Computes  gradient  of  a 3D raster map and outputs gradient
                                                                    components as three 3D raster maps.

       r3.gwflow                                                    Numerical  calculation  program  for   transient,   confined
                                                                    groundwater flow in three dimensions.                                                  Converts  a  3D  ASCII  raster  text file into a (binary) 3D
                                                                    raster map.                                                    Imports a binary raster file into a GRASS 3D raster map.                                                  Creates  a  3D  raster  map  from  LAS  LiDAR  points  using
                                                                    univariate statistics.                                                    Import 3-dimensional Vis5D files.                                                    Create   a   3D  raster  map  from  an  assemblage  of  many
                                                                    coordinates using univariate statistics                                                      Outputs basic information about a user-specified  3D  raster
                                                                    map layer.

       r3.mapcalc                                                   Raster map calculator.

       r3.mask                                                      Establishes the current working 3D raster mask.

       r3.mkdspf                                                    Creates  a  display  file  from  an  existing  3D raster map
                                                                    according to specified threshold levels.

       r3.neighbors                                                 Makes 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.null                                                      Explicitly create the 3D NULL-value bitmap file.

       r3.out.ascii                                                 Converts a 3D raster map layer into a ASCII text file.

       r3.out.bin                                                   Exports a GRASS 3D raster map to a binary array.

       r3.out.netcdf                                                Export a 3D raster map as netCDF file.

       r3.out.v5d                                                   Exports GRASS 3D raster map to 3-dimensional Vis5D file.

       r3.out.vtk                                                   Converts 3D raster maps into the VTK-ASCII format.

       r3.retile                                                    Retiles an existing 3D raster map with user defined x, y and
                                                                    z tile size.

       r3.stats                                                     Generates volume statistics for 3D raster maps.                                                   Allows  creation  and/or modification of 3D raster map layer
                                                                    support files.

       r3.timestamp                                                 Modifies a timestamp for a 3D raster map.                                                   Converts 3D raster maps to 2D raster maps

       r3.univar                                                    Calculates univariate statistics from the non-null cells  of
                                                                    a 3D raster map.

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       © 2003-2019 GRASS Development Team, GRASS GIS 7.6.0 Reference Manual