[mapserver-dev] Reprojecting rectangles crossing datelines

Frank Warmerdam warmerdam at pobox.com
Tue Feb 9 13:35:59 EST 2010


Folks,

I have incorporated a change in mapproject.c to reproject rectangles
as if they were polygons (r9786) in order to take advantage of the dateline
wrapping logic available for polygons.  I consider this a high risk change,
and would suggest people keep an eye out for issues it might cause - they can
be noted in http://trac.osgeo.org/mapserver/ticket/3179.

I have also written about some of my recent world mapping travails and
discover of the very useful +over switch for PROJ.4 on my blog:

   http://fwarmerdam.blogspot.com/2010/02/world-mapping.html

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent



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