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https://issues.apache.org/jira/browse/DERBY-3670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13223310#comment-13223310
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Rick Hillegas commented on DERBY-3670:
--------------------------------------

David Smiley and Ryan McKinley's package of spatial types and functions can be 
found here: https://github.com/spatial4j

The LGPL-licensed JTS Topology Suite (API of 2D spatial predicates and 
functions) can be found here: http://www.vividsolutions.com/jts/JTSHome.htm

Standards in this area, published by the Open Geospatial Consortium, can be 
found here: http://www.opengeospatial.org/standards
                
> Add spatial datatypes to Derby
> ------------------------------
>
>                 Key: DERBY-3670
>                 URL: https://issues.apache.org/jira/browse/DERBY-3670
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL, Store
>            Reporter: Rick Hillegas
>
> This issue is a place to track work being done on adding spatial datatypes to 
> Derby. See, for instance, these email threads:
> http://www.nabble.com/Spatial-Functionality-td17042147.html#a17042147
> http://www.nabble.com/Spatial-extensions-for-Derby-td17119485.html#a17119485
> In this thread, David Smiley announces an Apache-licensed package of spatial 
> datatypes and functions:
> http://old.nabble.com/Are-devs-interested-in-adding-spatial-support-%28Spatial4j%29--to33448923.html#a33448923

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