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https://issues.apache.org/jira/browse/SIS-591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Desruisseaux updated SIS-591:
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Fix Version/s: 1.7
(was: 1.6)
> Parse CRS from GML like published by EPSG
> -----------------------------------------
>
> Key: SIS-591
> URL: https://issues.apache.org/jira/browse/SIS-591
> Project: Spatial Information Systems
> Issue Type: Improvement
> Components: Referencing
> Reporter: Martin Desruisseaux
> Assignee: Martin Desruisseaux
> Priority: Major
> Fix For: 1.7
>
>
> Apache SIS 0.7 and later can read a CRS definition in GML, but all components
> have to be in a single file. But the CRS definitions provided by EPSG use
> {{xlink:href}} instead for referring to definitions in external documents.
> SIS automatically follows {{xlink:href}} when they are in the same document
> (except for forward references, which are not yet supported), but this is not
> sufficient for parsing an EPSG definition.
> We need to follow {{xlink:href}} to external files. This task is described by
> SIS-387 for the metadata part, but the same issue applies to CRS definitions.
> This task is needed for OGC Testbed-19 for the definitions of CRS in space,
> but should have the side-effect of allowing parsing CRS definition provided
> online by the EPSG registry in GML. So it should not be necessary anymore for
> users to install the EPSG database if fetching the definition online is
> acceptable, and they would always get the latest definition from EPSG.
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