[visad] VisAD library updated

The VisAD library as been updated.  Here is a summary of the changes
since the last release on 6 Feb 2012:

------------------------------------------------------------------------
r5945 | rink | 2012-03-04 21:48:21 -0600 (Sun, 04 Mar 2012) | 3 lines
Changed paths:
   M /trunk/core/src/visad/bom/ShadowImageByRefFunctionTypeJ3D.java

Really fix the frame reset to zero problem in applyTexture.

------------------------------------------------------------------------
r5944 | rink | 2012-03-01 14:13:32 -0600 (Thu, 01 Mar 2012) | 3 lines
Changed paths:
   M /trunk/core/src/visad/bom/ShadowImageByRefFunctionTypeJ3D.java

Don't setCurrent(0) in applyTexture if we have animControl - setRange while
animating shows first the current frame.

------------------------------------------------------------------------
r5943 | tomw | 2012-03-01 12:36:39 -0600 (Thu, 01 Mar 2012) | 1 line
Changed paths:
   M /trunk/core/src/visad/python/JPythonMethods.java

Added methods related to computing geographic area:
createAreaField(), computeSum(), computeAverage().  Can be used with
hydra's Statistics class as well.

------------------------------------------------------------------------
r5941 | rink | 2012-02-27 22:27:08 -0600 (Mon, 27 Feb 2012) | 2 lines
Changed paths:
   M /trunk/core/src/visad/bom/ImageRendererJ3D.java
   M /trunk/core/src/visad/bom/ShadowImageByRefFunctionTypeJ3D.java

Ghansham's fix for regen of geomemtry if adjustSeam/Longitude action is changed

------------------------------------------------------------------------
r5940 | rink | 2012-02-22 11:12:33 -0600 (Wed, 22 Feb 2012) | 3 lines
Changed paths:
   M /trunk/core/src/visad/bom/ShadowImageByRefFunctionTypeJ3D.java

fix problem with spherical display coordsys.


------------------------------------------------------------------------
r5939 | rink | 2012-02-21 12:55:33 -0600 (Tue, 21 Feb 2012) | 3 lines
Changed paths:
   M /trunk/core/src/visad/bom/ShadowImageByRefFunctionTypeJ3D.java

complete and tested version using geometry/colorbyte reuse logic with tiling.
Several significant performance tweaks courtesy of Ghansham.

------------------------------------------------------------------------


-- 
Tom Whittaker
University of Wisconsin-Madison
Space Science & Engineering Center (SSEC)
Cooperative Institute for Meteorological Satellite Studies (CIMSS)
1225 W. Dayton Street
Madison, WI  53706  USA
ph: +1 608 262 2759