I have been working on GEOT-4350 (https://jira.codehaus.org/browse/GEOT-4350) 
(the 2D to 3D work was recast to use a ConcatenatedTransform last weekend, 
however that is tripping up some code that wishes to use 
mathTransform.inverse(), if available, to post process a geometry.

While simply trying and catching the exception works, it probably would impact 
performance, as such I am putting in an up front check for the 3D to 2D case. I 
do not know of a general technique to determine if an inverse is available. 

-- 
Jody Garnett

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