Dynamic modifications to an existing filter are not currently tracked. If you create a new filter and set the filter property on an element it should update.
If the above does not sound like your problem I'll take a look at your example.
I'm creating a new filter each time. Unfortunately the code is rather complex. I'm trying to boil it down to something digestible.
In brief, here's what I'm doing.
1. Dynamically create simple SVGDocument (runs in the Swing thread.) 2. Add filter to SVGDocument. 3. setSVGDocument(theDoc); 4. In UpdateManager thread, add <line> segments that use the new filter. 5. Expect to see filter effects, but get nothing, or garbled graphics.
If I then do a setSVGDocument(getSVGDocument()) the canvas updates as expected, and I see the filter effects correctly.
-- George Armhold Rutgers University eLearning Grant, DCIS
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