.TH r.out.png 1grass "" "GRASS 7.2.0" "Grass User's Manual"
.SH NAME
\fI\fBr.out.png\fR\fR  \- Export a GRASS raster map as a non\-georeferenced PNG image.
.SH KEYWORDS
raster, export, PNG
.SH SYNOPSIS
\fBr.out.png\fR
.br
\fBr.out.png \-\-help\fR
.br
\fBr.out.png\fR [\-\fBtw\fR] \fBinput\fR=\fIname\fR \fBoutput\fR=\fIname\fR  [\fBcompression\fR=\fIinteger\fR]   [\-\-\fBoverwrite\fR]  [\-\-\fBhelp\fR]  [\-\-\fBverbose\fR]  [\-\-\fBquiet\fR]  [\-\-\fBui\fR]
.SS Flags:
.IP "\fB\-t\fR" 4m
.br
Make NULL cells transparent
.IP "\fB\-w\fR" 4m
.br
Output world file
.IP "\fB\-\-overwrite\fR" 4m
.br
Allow output files to overwrite existing files
.IP "\fB\-\-help\fR" 4m
.br
Print usage summary
.IP "\fB\-\-verbose\fR" 4m
.br
Verbose module output
.IP "\fB\-\-quiet\fR" 4m
.br
Quiet module output
.IP "\fB\-\-ui\fR" 4m
.br
Force launching GUI dialog
.SS Parameters:
.IP "\fBinput\fR=\fIname\fR \fB[required]\fR" 4m
.br
Name of input raster map
.IP "\fBoutput\fR=\fIname\fR \fB[required]\fR" 4m
.br
Name for new PNG file (use \(cq\-\(cq for stdout)
.IP "\fBcompression\fR=\fIinteger\fR" 4m
.br
Compression level of PNG file
.br
(0 = none, 1 = fastest, 9 = best)
.br
Options: \fI0\-9\fR
.br
Default: \fI6\fR
.SH DESCRIPTION
\fIr.out.png\fR exports a GRASS raster map in non\-georeferenced PNG image
format, respecting the current region resolution and bounds.
.PP
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.
.SH SEE ALSO
\fI
r.out.gdal,
r.out.ppm,
r.out.ascii,
r.in.png
\fR
.SH AUTHORS
Alex Shevlakov
.br
Hamish Bowman
.PP
\fILast changed: $Date: 2014\-11\-01 20:57:37 +0100 (Sat, 01 Nov 2014) $\fR
.SH SOURCE CODE
.PP
Available at: r.out.png source code (history)
.PP
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.PP
© 2003\-2016
GRASS Development Team,
GRASS GIS 7.2.0 Reference Manual