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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Hi Tom- > ftp.ssec.wisc.edu/pub/ssec/kaba/AIRS_derived_products_20080907_0041.nc > > Does the conversion from pressure to altitude correctly in the > main display, but not in the vertical profile graph. The problem is that using the Standard Atmosphere to convert from pressure to altitude, the first two levels end up being NaN. That's throwing the graph off. I'm working on a solution, but a workaround is to use the Vis5D pres->alt calculation instead of the Standard Atmosphere. From the Preferences, set the Pressure to Height item to Logarithmic under the Formats & Data tab. Alternatively, skip the first 2 levels in the data subset panel under the levels tab. Someday, we'll have to keep the data in the default units of pressure. Don Ticket Details =================== Ticket ID: LYI-734165 Department: Support IDV Priority: Normal Status: Open