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Re: SpaceTreeLayoutAlgorithm performance issue [message #1273132 is a reply to message #1272976] |
Wed, 19 March 2014 15:09 |
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The links provided at http://www.eclipse.org/gef/updates/index.php are not dead. These are the update-sites related to Draw2d/GEF (MVC) 3.x and Zest 1.x, which are still the production components. The update-sites for GEF4 (into which the Zest2 code base was merged) are listed in the GEF4 wiki. In addition, all sites are also listed on (https://projects.eclipse.org/projects/tools.gef/downloads), while due to a bug in the Eclipse dashboard they currently get truncated there (which is the reason why we still list them in the other locations as well).
Concerning the GEF4 releases and milestone sites I have to say that these are not populated yet because there are no milestones/releases yet. You are right, there was an early version of GEF Geometry published to the milestone site for testing purposes; I have cleaned that away (so milestone site is now empty as well) and added a comment that these sites are not yet populated.
Concerning your other issues, please report a bug.
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Re: SpaceTreeLayoutAlgorithm performance issue [message #1278836 is a reply to message #1272976] |
Thu, 27 March 2014 23:03 |
Zoltan Ujhelyi Messages: 392 Registered: July 2015 |
Senior Member |
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Hi Robert,
I guess I have found the root cause of your performance issues related to the SpaceTreeLayoutAlgorithm.
When animations are turned on, the algorithm is really slow; and you have explicitely turned on animations via the second parameter (new SpaceTreeLayoutAlgorithm(SpaceTreeLayoutAlgorithm.LEFT_DOWN, true), as you have displayed in the bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=430851#c1
I don't have time right now to find out why are animations so slow, but as a workaround, I turned off animations by default, and suggest not to turn it on via the second constructor parameter. Additionally, I have opened bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=431417 for future references.
Could you please check that turning off animations do speed up your application with larger models?
Thanks,
Zoltán
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