I recently upgraded my site to ThinkGeo 5.0 from version 4.0, it is running on IIS7 on Windows Server 2008. Now, my Shapefile layer for US States shows up corrupt. Attached are images of what is happening.
This did not occur until I upgraded to version 5.0, and no change has happened to the Shapefile. Additionally, the map renders perfectly in the version of "Map Suite Explorer" that is included in the ThinkGeo Web Edition 5.0 package.
In the attached images, you can see the corruption that occurs in Alaska and Florida. It appears to affect any shape which is composed of many polygons. Note that these shapes are MULTIPOLYGON not GEOMETRYCOLLECTION. I can send the ShapeFiles to you if neeeded. Thanks.