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Hi Ben- > Don, I managed to get some contours by playing with > the min,max and contour interval -- the default it > chose resulted in no contours at all. Anyway, I think > I'm started, so I will play around and learn as much > as I can, and get back to you next week. Thanks a lot > for the quick fix to get me started... The default contours are based on the entire volume. You can save off your preference for a particular parameter using the File->Save->Save as parameter default option in the display control. > >When I "Create Display" I get a window warning > >"Unknown vertical coordinate with Unit, using > >linear scale to Altitude" -- the display shows > >a global map, but still no image or contoours. The Unknown vertical coordinate is a bug and I'll pass that on to the netCDF group. lev is defined as having units of "m". Is the unit of the level formula meters or Pascals? Don Ticket Details =================== Ticket ID: BOZ-852808 Department: Support IDV Priority: Normal Status: Open