This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> Hello, > > IDV seems to ignore the isosurface value selected in the Level tab. For > example, when I select a geopotential height at isobaric surface to > display at some initial value, say 700 hPa, IDV creates the surface and > gives the value in gpm (say 8388.5 gpm). No matter what value is > selected in the Level tab I get a gpm of 8388.5. If I later adjust the > surface value using the slider it does alter the surface correctly. > > Do you know what is causing this behavior? It seems the user-selected > value in the Level tab is always ignored and a default is used. > > Thanks. > > --gary > > Hi Gary, The isosurface is a 3D volume display, it will ignore the level. I am guessing that what you really wanted was a 3D surface display, not isosurface display. Yuan Ticket Details =================== Ticket ID: MWG-305396 Department: Support IDV Priority: Normal Status: Closed