r.out.pnggrass - Online in the Cloud

PROGRAM:

NAME

r.out.png - Export a GRASS raster map as a non-georeferenced PNG image.

KEYWORDS

raster, export, PNG

SYNOPSIS

r.out.png
r.out.png --help
r.out.png [-tw] input=name output=name [compression=integer] [--overwrite] [--help]
[--verbose] [--quiet] [--ui]

Flags:
-t
Make NULL cells transparent

-w
Output world file

--overwrite
Allow output files to overwrite existing files

--help
Print usage summary

--verbose
Verbose module output

--quiet
Quiet module output

--ui
Force launching GUI dialog

Parameters:
input=name [required]
Name of input raster map

output=name [required]
Name for new PNG file (use ’-’ for stdout)

compression=integer
Compression level of PNG file
(0 = none, 1 = fastest, 9 = best)
Options: 0-9
Default: 6

DESCRIPTION

r.out.png exports a GRASS raster map in non-georeferenced PNG image format, respecting the
current region resolution and bounds.

Optionally the user can choose to export a World File to provide basic georeferencing
support. When used with the transparency flag this can create images useful for KML, TMS,
or WMS overlays. (e.g. for use in Google Earth or as OpenLayers tiles) If output is to
stdout, the world file will be called png_map.wld.

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