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r3.out.bin.1grass - Man Page

Exports a GRASS 3D raster map to a binary array.


raster3d, export, voxel


r3.out.bin --help
r3.out.bin [-rdi] input=name output=name  [null=float]  bytes=integer  [order=string]   [--overwrite]  [--help]  [--verbose]  [--quiet]  [--ui]



Switch the row order in output from north->south to south->north


Switch the depth order in output from bottom->top to top->bottom


Write data as integer


Allow output files to overwrite existing files


Print usage summary


Verbose module output


Quiet module output


Force launching GUI dialog


input=name [required]

Name of input 3D raster map

output=name [required]

Name for output file


Value to write out for null
Default: 0

bytes=integer [required]

Number of bytes per cell in binary file
Options: 1, 2, 4, 8


Output byte order
Options: big, little, native, swap
Default: native


The r3.out.bin program exports a GRASS 3D raster map to a binary array file. Optionally, output can be send to standard output (stdout) for direct input (pipe) into other applications. Data is exported according to the original GRASS 3D raster type (float, double).


The write order of the rows (north->south to south->north) and the write order of the depths (bottom->top to top->bottom) can be switched.

The region parameters are printed to stderr when setting the verbose flag. Export of little and big endian byte order is supported.

Have a look at r3.out.ascii manual page that describes the internal layout of the 3D raster maps and the supported row and depth switch options.


Have a look at the examples in r3.in.bin.

See Also

r3.in.bin, r3.in.ascii


Sören Gebbert, based on r.out.bin from Bob Covill and Glynn Clements

Source Code

Available at: r3.out.bin source code (history)

Accessed: Tuesday May 14 13:41:02 2024

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