r3.mkdspf(1grass) | Grass User's Manual | r3.mkdspf(1grass) |
r3.mkdspf - Creates a display file from an existing 3D raster map according to specified threshold levels.
raster3d, display, voxel
r3.mkdspf
r3.mkdspf --help
r3.mkdspf [-qf] input=string
dspf=name [levels=float[,float,...]]
[min=float] [max=float]
[step=float] [tnum=integer] [--overwrite]
[--help] [--verbose] [--quiet] [--ui]
Creates a display file from an existing grid3 file according to specified threshold levels. The display file is a display list of polygons that represent isosurfaces of the data volume. If specific levels are given, additional optional parameters are ignored. Min or max may be used alone or together to specify a sub-range of the data. The step parameter is given precedence over tnum.
With grid3 data (phdata) in the range 3-7, we only want to
see isosurface values for the range 4-6. Any of these commands will produce
the same results:
r3.mkdspf phdata dspf=iso min=4.0 max=6.0 tnum=5 r3.mkdspf phdata dspf=iso levels=4.0,4.5,5.0,5.5,6.0 r3.mkdspf phdata dspf=iso min=4.0 max=6.0 step=0.5
Currently the grid3 file must be in the user’s mapset since the display files being created are specific to particular grid3 files and are contained in directories under them. We should create a mechanism where users may make display files from others’ grid3 files without having to copy them to their mapset.
Bill Brown, bbrown@gis.uiuc.edu
Last changed: $Date: 2014-12-12 00:12:46 +0100 (Fri, 12 Dec 2014) $
Available at: r3.mkdspf source code (history)
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