Hi Ryan,
It looks like there is a shift of the center of the radial gradient by
~.5 a pixel
relative to the geometry. Feel free to register a bug.
Thomas
This version makes it a little clearer:
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xmlns:cc="http://creativecommons.org/ns#";
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
xmlns:svg="http://www.w3.org/2000/svg";
xmlns="http://www.w3.org/2000/svg";
xmlns:xlink="http://www.w3.org/1999/xlink";
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sodipodi:docname="cluster.svg">
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rdf:about="">
<dc:format>image/svg+xml</dc:format>
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<dc:title />
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style="display:inline"
transform="matrix(1,0,0,0.99971334,0,0.0022932)">
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style="fill:url(#radialGradient6836);fill-opacity:1"
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<g
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style="display:inline"
transform="matrix(1,0,0,0.99951699,0,0.0038645)">
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<g transform="matrix(1,0,0,0.99971334,0,0.0022932)">
<g transform="matrix(1.3154253,0,0,1.2684459,-3.0814812,-1.2665626)">
<circle
cx="8.4242573"
cy="7.3054457"
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fill="#F00"
transform="matrix(1,0,0,1.037037,0,-0.27057189)"/>
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</g>
</svg>
On Mar 28, 2012, at 5:03 PM, Ryan Gustafson wrote:
> The following SVG is essentially two circles centered on top of each
> other. It has radial symmetry. However, when I rasterize this to a
> 16x16 image, I get something quite obviously lacking radial symmetry.
> It appears as though things are shifted to the upper left toward
> (0,0), and smells to me like an integer truncation issue. If I
> increase the raster dimensions, the problem becomes less pronounced,
> and ultimately unnoticeable at higher resolutions (e.g. 512x512). I
> can likely work around this by rasterizing at high resolution and then
> scaling down to my desired resolution.
>
> This was with Batik 1.7, on with Oracle Java 1.6.0_22 and 1.6.0_29 on Windows
> 7.
>
> For reference, Inkscape will export a raster that appears correct.
>
> Regards,
> Ryan Gustafson
>
> ---
>
> <?xml version="1.0" encoding="UTF-8" standalone="no"?>
> <!-- Created with Inkscape (http://www.inkscape.org/) -->
>
> <svg
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>
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