[jira] Closed: (UIMA-1420) Annotation Editor updates are too slow when it displays a huge number of annotations

["Jörn Kottmann (JIRA)" <ui...@incubator.apache.org>]

     [ https://issues.apache.org/jira/browse/UIMA-1420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jörn Kottmann closed UIMA-1420.
-------------------------------

    Resolution: Fixed

The Annotation Editor now uses the annotation model of the eclipse painter to push updates into the painter which then can do the repainting of text/annotations internally more efficiently. The test document now gets updated immediately without a noticeable delay
compared to a delay of nearly a second.

> Annotation Editor updates are too slow when it displays a huge number of annotations
> ------------------------------------------------------------------------------------
>
>                 Key: UIMA-1420
>                 URL: https://issues.apache.org/jira/browse/UIMA-1420
>             Project: UIMA
>          Issue Type: Bug
>          Components: CasEditor
>    Affects Versions: 2.3
>            Reporter: Jörn Kottmann
>            Assignee: Jörn Kottmann
>             Fix For: 2.3
>
>
> The Annotation Editor needs to much time to update the displayed text with annotations when the annotation model behind it is updated. The implementation right now triggers a repaint for remove and add AnnotationFS operations and two repaints for an update to an existing AnnotationFS.
> These repaints can take around a second on a newspaper article which is visualized with all token annotations. This huge delay makes the Cas Editor nearly unusable.

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