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Opened 20 years ago

Closed 20 years ago

Last modified 19 years ago

#100 closed defect (fixed)

Image maps are shifted when png antialias is turned on.

Reported by: Peter Kropf Owned by: Peter Kropf
Priority: normal Component: GraphvizPlugin
Severity: normal Keywords:
Cc: kilian.cavalotti@… Trac Release:

Description

It looks as if the image map coordinates are off when the rsvg program is used to generate a png from a svg file and graphviz generates the image map.

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Change History (1)

comment:1 Changed 20 years ago by anonymous

Resolution: → fixed
Status: new → closed

graphviz processors (dot, neato, ...) use 96dpi as a ​default output resolution. rsvg needs to know what dpi setting is used to rasterize the SVG image, and to create a PNG image with the same size graphviz would have created directly.

So we now use --dpi-x and --dpi-y rsvg arguments, and set them to 96 if no default_graph_dpi setting is seen in the trac.ini [graphviz] section.

Fixed in v0.5

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