CRS 3D to 2D transformations incomplete
---------------------------------------
Key: GEOT-1720
URL: http://jira.codehaus.org/browse/GEOT-1720
Project: GeoTools
Issue Type: Bug
Components: core referencing
Affects Versions: 2.5-M0, 2.4.1
Reporter: Jody Garnett
Assignee: Martin Desruisseaux
We need functionality similar to the following:
{code}
CoordinateReferenceSystem crs3d = CRS.decode("EPSG:4327");
CoordinateReferenceSystem crs2d = CRS.flatten( crs3d );
{code}
There is a similar function defined already in the form of
CRS.getHorizontalCRS( crs3d ).
This functionality is needed in two places:
- In PostGISDataStore when the Hints.FEAUTRE_2D hint is applied we need to
generate a CRS that matchs the data with the 3d axis dropped
- In GeoServer when we generate lat/lon bbox we need to reproject from 3d data
to WGS84.
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