#72: PNG driver: boundary rendering is off by one pixel
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Reporter: hamish | Owner: grass-dev@…
Type: defect | Status: new
Priority: critical | Milestone: 6.4.4
Component: Default | Version: svn-develbranch6
Keywords: d.vect, rendering, PNG_DRIVER | Platform: Unspecified
Cpu: Unspecified |
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Comment(by hamish):
Hi,
there is a similar off-by-one problem in the Cairo driver for 6.4 and 6.5,
very easy to reproduce:
{{{
export GRASS_WIDTH=100
export GRASS_HEIGHT=100
d.mon start=cairo
d.mon stop=cairo
}}}
you will see a single pixel black line along both the right and bottom
edges of the resulting map.png file. (trouble if you wanted to use
GRASS_TRANSPARENT=TRUE)
crummy work-around is to make GRASS_WIDTH and HEIGHT one larger, then crop
away the bad edges with pnmcrop.
Hamish
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Ticket URL: <https://trac.osgeo.org/grass/ticket/72#comment:22>
GRASS GIS <http://grass.osgeo.org>
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