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ximgview(1) GRASS GIS User's Manual ximgview(1)

ximgview - View BMP images from the PNG driver.

display, graphics, raster, vector, visualization

ximgview
ximgview --help
ximgview image=name [percent=integer] [--help] [--verbose] [--quiet] [--ui]

--help

Print usage summary
--verbose

Verbose module output
--quiet

Quiet module output
--ui

Force launching GUI dialog

image=name [required]

Image file
percent=integer

Percentage of CPU time to use
Default: 10

ximgview is a simple X11 image viewer for 32-bpp BMP images, as can be created with the PNG and cairo drivers. The display is continually refreshed.

The display driver must be configure to map the file, with GRASS_RENDER_FILE_MAPPED=TRUE. This ensures that the file will remain a constant size, rather than being truncated whenever it is updated.

(bash shell syntax)

export GRASS_RENDER_FILE=map.bmp
export GRASS_RENDER_WIDTH=640
export GRASS_RENDER_HEIGHT=480
export GRASS_RENDER_IMMEDIATE=PNG
export GRASS_RENDER_FILE_MAPPED=TRUE
export GRASS_RENDER_FILE_READ=TRUE
d.erase
ximgview $GRASS_RENDER_FILE percent=50 &
d.rast elevation.dem
d.vect roads

PNG driver
cairo driver
wximgview

Glynn Clements

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© 2003-2021 GRASS Development Team, GRASS GIS 7.8.6 Reference Manual

GRASS 7.8.6

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