Worldimage off half a pixel
---------------------------

                 Key: UDIG-1474
                 URL: http://jira.codehaus.org/browse/UDIG-1474
             Project: uDIG
          Issue Type: Bug
          Components: image
    Affects Versions: UDIG 1.1.1
         Environment: XP, uDig 1.1.1 vs. GeoServer 1.7.2
            Reporter: Karl Dietz
            Assignee: Jesse Eichar
            Priority: Minor


Images with worldfiles do not line up properly when mixing directly loaded 
images with a wms background.
My worldfiles contain the center coordinate of the top left pixel.
Using this Worldfile with GeoServer gives a perfectly aligned image.
Loading the Image+Worldfile into uDig results in an image that is half a pixel 
east relative to the real/wms location.

It seems as if the coordinate from the worldfile is taken as the left border of 
the top left pixel. (the vertical alignment is correct)


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