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HP- > Fast rendering on/off does not affect the display. > > I noted however, that not only mercator has the problem. E.g. also in > polar stereographic barbs get joined by straight lines, but this occurs > on the data void sector on top when you zoom out to maximum geographical > coverage, so it does not any harm to a display that makes sense. This will be a problem in any projection other than the native data projection. It's a problem related to crossing the projection seam. I'll add it to the bug list, but I don't have a simple solution other than using the native data projection. Don Murray Ticket Details =================== Ticket ID: POQ-170303 Department: Support IDV Priority: Normal Status: Open