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Hi Rick- > > One thing to try is for the top image, go to the display > > control's Properties dialog (Edit->Properties...) and click > > on the Use Fast Rendering checkbox if it's not already checked > > and see if that makes the line go away. If it's already checked, > > uncheck it and see if that makes a difference. > > > > Don > > Initially I did not see any results choosing fast rendering. After I > resized the image (manually making the display window larger) the white > line disappeared. We ran into something similar during our training workshop where spurious single white lines would show up in the Time-Height displays, but only on some machines. This was on Linux though. You might try turning Fast Rendering back on and see if just resizing the window makes a difference. Don Ticket Details =================== Ticket ID: ZPC-269421 Department: Support IDV Priority: Normal Status: Open