Hello Folks, I am using ArcGIS Desktop 10.2 and have always had issue with shift in shape files when zooming in and out on a nautical chart map overlaid. I am in seismic exploration and hence its very important to have the block polygons referenced correctly to a nautical chart. When I load a block polygon in Shape file, DXF, KML or which ever format. When I zoom in and out, the map / shape files shifts quite a bit and hence its very difficult to say whats correct and whats not. Also when I load two separate nautical chart next to each other with exactly the same scale and resolution, they still don't line up together when Have any one of you come across this issue before and what is the solution to this. Appreciate your expertise. Regards, Dhaval
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