very pleased to see that this is beeing worked on, it is crucial for us to
be able to disable antialiasing for svg-symbols. ([GEOS-5729] - Antialiasing
can not be turned off for svg-symbols)
Overall, antialiasing for svg-symbols seems to work well, even though I
have not had time yet to look at the quality.
There is, however, one main problem. It seems that antialiasing is not
turned off when a svg-symbol is rotated (see attached picture, yellow and
green ellipses). One strange thing is that two symbols with same sld rule
and svg-symbol might end up both antialiased and none-antialiased in the
same picture (blue ellipses.)
I actually winder if that is antialiasing you are seeing, or just blurbing based on a) drawing the SVG into a an image and then b) drawing the image rotated appropriately? The result would be a slight blurring based on how raster content is drawn …
very pleased to see that this is beeing worked on, it is crucial for us to
be able to disable antialiasing for svg-symbols. ([GEOS-5729] - Antialiasing
can not be turned off for svg-symbols)
Overall, antialiasing for svg-symbols seems to work well, even though I
have not had time yet to look at the quality.
There is, however, one main problem. It seems that antialiasing is not
turned off when a svg-symbol is rotated (see attached picture, yellow and
green ellipses). One strange thing is that two symbols with same sld rule
and svg-symbol might end up both antialiased and none-antialiased in the
same picture (blue ellipses.)
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On Tue, Mar 4, 2014 at 2:43 PM, Jakob Ventin <jventin@anonymised.com> wrote:
Hi all,
very pleased to see that this is beeing worked on, it is crucial for us to
be able to disable antialiasing for svg-symbols. ([GEOS-5729] -
Antialiasing
can not be turned off for svg-symbols)
Overall, antialiasing for svg-symbols seems to work well, even though I
have not had time yet to look at the quality.
There is, however, one main problem. It seems that antialiasing is not
turned off when a svg-symbol is rotated (see attached picture, yellow and
green ellipses). One strange thing is that two symbols with same sld rule
and svg-symbol might end up both antialiased and none-antialiased in the
same picture (blue ellipses.)
What you see is not antialiasing, it's resampling, rotation make a pixel
that was at an integer position to become a float one, thus it gets
partially painted across 2 to 4 pixels instead.
