This is the command r.out.ppm3grass that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
r.out.ppm3 - Converts 3 GRASS raster layers (R,G,B) to a PPM image file.
KEYWORDS
raster, export
SYNOPSIS
r.out.ppm3
r.out.ppm3 --help
r.out.ppm3 [-c] red=string green=string blue=string output=string [--help] [--verbose]
[--quiet] [--ui]
Flags:
-c
Add comments to describe the region
--help
Print usage summary
--verbose
Verbose module output
--quiet
Quiet module output
--ui
Force launching GUI dialog
Parameters:
red=string [required]
Name of raster map to be used for <red>
green=string [required]
Name of raster map to be used for <green>
blue=string [required]
Name of raster map to be used for <blue>
output=string [required]
Name for new PPM file. (use ’-’ for stdout)
DESCRIPTION
r.out.ppm3 converts 3 GRASS raster layers (R,G,B) to a PPM image file, using the current
region.
This program converts a GRASS raster map to a PPM image file using the the current region
settings.
To get the full area and resolutin of the raster map, run:
g.region raster=[mapname]
before running r.out.ppm3.
NOTES
One pixel is written for each cell value, so if ew_res and ns_res differ, the aspect ratio
of the resulting image will be off.
Use r.out.ppm3grass online using onworks.net services