[Geotools-devel] [jira] (GEOT-4606) different offsets for same dash-stroke

Wed, 30 Oct 2013 04:24:41 -0700

Issue Type: Bug Bug
Affects Versions: 9.3
Assignee: Andrea Aime
Components: render
Created: 30/Oct/13 6:22 AM
Description:

When using two superimposed dash-strokes with same dash-array, same dash-offset but different widths we can see weird offsets between both lines.
These artifacts are visible when the line starts out of the bounding box.
It is more visible if the line crosses the bounding box boundary with a low angle.
The supposition is that different widths of linestrokes has a consequence on how lines are clipped on the bounding box, hence on the exact starting point of dashes.
Problem has been discussed an illustrated on geoserver mailing list
http://www.mail-archive.com/[email protected]/msg16209.html
Environment: linux / java 1.6
Project: GeoTools
Priority: Major Major
Reporter: Michaël Michaud
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