[teiid-issues] [JBoss JIRA] (TEIID-3302) Implement ST_Transform

[Steven Hawkins (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-3302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13050411#comment-13050411 ] 

Steven Hawkins commented on TEIID-3302:
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I pulled the commit to correct the view name against TEIID-3300.  But the proj4j jar that I'm getting from maven is empty.  I'll have to look more into what could be going on there.  Also we'll need the source jar to jts2geojson to be in the repository as well, so that productization builds can be fully from source.

> Implement ST_Transform
> ----------------------
>
>                 Key: TEIID-3302
>                 URL: https://issues.jboss.org/browse/TEIID-3302
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>            Reporter: Tom Arnold
>            Assignee: Steven Hawkins
>              Labels: spatial
>
> Implement [ST_Transform|http://postgis.org/docs/ST_Transform.html] system function. This would be used to transform geometry between different coordinate systems. This needs SPATIAL_REF_SYS table and a supporting library.
> There are a couple of options for implementing this:
> * http://trac.osgeo.org/proj4j/ - Port of the C library used by PostGIS. Fewest dependencies and should keep us close to PostGIS in capabilities. There will be a little boilerplate to interface with JTS.
> * http://docs.geotools.org/latest/userguide/library/referencing/index.html - GeoTools referencing module. I think we would need to develop a simple plugin to interface with our SPATIAL_REF_SYS table. GeoTools is active and has good docs, but brings in a lot of dependencies.



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