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HP, > > Wind fields in Mercator projection display erratic horizontsal lines across > the map. > Other map porjections behave well. See attached samples. Did not test other > fields. > Do you have "Fast Rendering" turned on for that display? Go to the Edit->Properties menu to bring up the Properties dialog. There will be a "Fast Rendering" checkbox. What fast rendering does is to not check/correct the display for when lines cross projection seams, etc. -Jeff Ticket Details =================== Ticket ID: POQ-170303 Department: Support IDV Priority: Normal Status: Open