Jesse Eichar a écrit :
> Given the current implementation the first layer always disappears 
> because it is transformed to lat/long irregardless of the fact that the 
> second layer is the same projection. The expected behaviour is both 
> layers are displayed.

This behavior is a GENERIC_2D bug since I would expect GENERIC_2D to detect 
that 
the other CRS is cartesian.

However the issue remains (GENERIC_2D expected to apply unit conversions to 
meters, etc.). The question is: are units conversion and axis swaping wanted?

In other words, I would like to known if I should try to fix GENERIC_2D (which 
is more complicated than just moving it at the begining of createOperation 
method) or if I deprecate GENERIC_2D and introduce a new UNKNOWN_2D constants.

I never use GENERIC_2D myself, so I don't mind as long as the intented 
behavior, 
actual behavior and javadoc are consistent.

        Martin

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