Re: [Geotools-devel] reprojection problem

[Martin D. <mar...@ge...>]

Hello Davis

Maybe you are using JAI 1.1.4 which is in development stage? WarpTransform2D
target the latest stable JAI version, which is JAI 1.1.3.

The JAI version matter a lot, because JAI 1.1.3 has a bug that may make the Warp
Transform completly wrong. JAI 1.1.4 fixed that bug.

However WarpTransform2D contains a workaround for JAI 1.1.3 bug. The problem is
that the workaround become totally wrong when using the bug-free JAI 1.1.4.

If you are using JAI 1.1.4, then look at that file:

http://svn.geotools.org/trunk/modules/library/referencing/src/main/java/org/geotools/referencing/operation/transform/WarpTransform2D.java

Scroll down to the comment begining with the following line:

    Workaround for a bug in WarpPolynomial.create(...)

If you are using JAI 1.1.4, delete all the workaround exactly as the comment said.

If you were using JAI 1.1.3, then the issue is elsewhere; please let me known.

	Martin