Peter Klügl created UIMA-2463:
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Summary: Improve default annotation style assignment of CAS Editor
Key: UIMA-2463
URL: https://issues.apache.org/jira/browse/UIMA-2463
Project: UIMA
Issue Type: Bug
Components: CasEditor
Affects Versions: 2.4.1SDK
Reporter: Peter Klügl
Assignee: Peter Klügl
Priority: Minor
Fix For: 2.4.1SDK
DefaultColors.assignColors() assigns style background with somewhat random but
different bright colors to all types. This method is called when is type system
is not known yet.
AnnotationStyle.getAnnotationStyleFromStore() tries to read to stored style. If
there is no information, then the style is set underlined red.
The situation in my use case is the following: I create a script with some type
definitions resulting in a type system. I write some rules and test the result
by taking a look at the xmi with the CAS Editor. Here, the first method is
applied, because the type system is new. Then I write additional rules and add
some other types. If I now review the result, the new types in the known types
system are all set to red/underlined, because if the second method. Thus, it's
harder to distinguish them.
A solution is the assignment of a random bright background color as default in
AnnotationStyle.getAnnotationStyleFromStore(). However, the colors should
not change randomly if the type system changes. So after a style is assigned,
this style should be stored inside the configuration, instead of repeating the
process the next time the CAS is loaded. If the process is repeated and a
change occurs to the type system, then the style assigning code might choose a
different color.
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