Freeform "ENV" and "STYLES" parameter filters
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Key: GEOS-4848
URL: https://jira.codehaus.org/browse/GEOS-4848
Project: GeoServer
Issue Type: Improvement
Components: GWC
Reporter: Rohan Singh
Assignee: Andrea Aime
Priority: Minor
Attachments: gwc-env.patch
This patch adds an option to the GWC integration to allow freeform ENV and STYLES parameters. It's implemented as a {{RegexParameterFilter}} with a pattern of {{".*"}}.
This is handy when the requested SLD ("styles") and values for SLD variable substitution ("env") are very variable, but still need to be cached.
Currently I am using this for a layer in which specific features need to be highlighted. For example:
bq. {{styles=highlight&env=featureToHighlight:myFeature}}
This is similar to the second technique described at http://trac.osgeo.org/openlayers/wiki/Highlighting. While this generates a large number of tiles, I still need the generated tiles to be cached. I imagine others will have similar use cases.
I know there is work underway to improve the GWC configuration UI, but this could solve some use cases right away.
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[ https://jira.codehaus.org/browse/GEOS-4848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gabriel Roldán reopened GEOS-4848:
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Freeform "ENV" and "STYLES" parameter filters
---------------------------------------------
Key: GEOS-4848
URL: https://jira.codehaus.org/browse/GEOS-4848
Project: GeoServer
Issue Type: Improvement
Components: GWC
Reporter: Rohan Singh
Assignee: Gabriel Roldán
Priority: Minor
Attachments: gwc-env.patch, gwc-env.patch, gwc-env.patch
This patch adds an option to the GWC integration to allow freeform ENV and STYLES parameters. It's implemented as a {{RegexParameterFilter}} with a pattern of {{".*"}}.
This is handy when the requested SLD ("styles") and values for SLD variable substitution ("env") are very variable, but still need to be cached.
Currently I am using this for a layer in which specific features need to be highlighted. For example:
bq. {{styles=highlight&env=featureToHighlight:myFeature}}
This is similar to the second technique described at http://trac.osgeo.org/openlayers/wiki/Highlighting. While this generates a large number of tiles, I still need the generated tiles to be cached. I imagine others will have similar use cases.
I know there is work underway to improve the GWC configuration UI, but this could solve some use cases right away.
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