#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 mmetz):
Replying to [comment:22 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)
This has been introduced by you with r12527. Reverting r12527 removes the
single pixel black line along both the right and bottom edges. Do you
remember by any chance the reason for r12527?
Note that the line drawn by D_show_window() on the left and top edges is
outside the current frame.
--
Ticket URL: <http://trac.osgeo.org/grass/ticket/72#comment:23>
GRASS GIS <http://grass.osgeo.org>
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