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
r.out.png exports a GRASS raster map in non-georeferenced
Portable Network Graphics (PNG) image format, respecting the current
region resolution and bounds.
Optionally the user can choose to export a World File (.wld) 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 redirected to stdout,
the world file will be called png_map.wld.
r.out.gdal,
r.out.ppm,
r.out.ascii,
r.import
Alex Shevlakov
Hamish Bowman
Last changed: $Date: 2018-11-05 14:29:44 +0100 (Mon, 05 Nov 2018) $
SOURCE CODE
Available at: r.out.png source code (history)
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GRASS Development Team,
GRASS GIS 7.4.4 Reference Manual