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https://issues.apache.org/jira/browse/UIMA-2279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13146186#comment-13146186
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Joern Kottmann commented on UIMA-2279:
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A bulk add notification of Feature Structures to the CAS was splitted into one
event per FS which caused a performance problem in the code which synchronizes
the CAS annotations with the eclipse Annotation Editor annotations.
Additionally the TokenDrawingStrategy was re-factored to replace ugly code. The
new code might as well also be much faster, but no tests have been performed to
prove this.
> Adding/Removing a lot of annotations to/from the Annotation Editor is slow
> ---------------------------------------------------------------------------
>
> Key: UIMA-2279
> URL: https://issues.apache.org/jira/browse/UIMA-2279
> Project: UIMA
> Issue Type: Bug
> Components: CasEditor
> Reporter: Joern Kottmann
> Assignee: Joern Kottmann
> Fix For: 2.4.0SDK
>
>
> The Annotation Editor renders new annotations slowly when a lot of
> annotations are added at once. Investigate the problem and try to speed up
> the rendering code.
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