Hi Thomas,

adding share-rendering to the surrounding layers did the trick. Thanks for your help.

Regards
Werner

On 01.11.2012 23:38, DeWeese Thomas wrote:
Hi Werner,
     The result is much better if you add shape-rendering="geometricPrecision" 
either to the path or the containing group.  It may be that by adjusting the miter limit 
you could also mitigate/eliminate the issue (the jags look to me like miters gone wild).

     Thomas

On Oct 30, 2012, at 8:23 AM, Werner Guttmann <werner.guttm...@indoqa.com> wrote:

Hi,

we are trying to transcode an SVG into a PNG using Apache Batik, and we are 
having problems with the quality of some SVG artefacts (mainly pathes, using a 
pattern).

I have attached a small set of files that should be sufficient to assess the 
problem, including ...

1) A very minimal SVG file (with one pattern definition and a path that 
actually uses that pattern).
2) A screen shot of a PNG after transcoding, that shows (for the path jags in 
the upper right area.

Our observations are:

a) When we view the SVG file in e.g. Inkscape, everything looks just fine (i.e. 
the path is smooth and there are no jags).
b) Once we use Batik to transcode this image to a PNG, we are starting to see 
those jags appear (as with this very path).

One more thing:

- We are not in control of e.g. the pattern definition, as that's controlled 
externally. And the very same SVG is being used on a web site where the 
rendering of SVG artefacts is done through flash and does not cause this 
problem.

Any idea what could be causing this, and what we could do to improve the 
situation for us ?

Kind regards
Werner Guttmann
<Path 7.png><highlight-simple-a1.svg>
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