> Hello IDV support, > > While we use IDV for analyzing WRF output where there aren't any NaNs, > we're also attempting to use it to analyze real-world data gathered during > field campaigns. The real-world data has NaNs. > > The 7.3.0 > Formulas<http://www.unidata.ucar.edu/software/idv/docs/userguide/tools/Formulas.html>page > has no information about handling NaNs. I know in theory what I need > to do; according to the Using Python with > VisAD<http://www.ssec.wisc.edu/~tomw/visadtutor/index.html>page on the > VisAD site, if > Double(x).isNan(): is the proper method to test for NaNs. > > I've tried many combinations of formulas and Jython library code without > success. Could you please provide an example of a simple IDV formula that > accounts for NaNs? > > Thanks. > Hi Tod, If you want to call java function Dounble.isNaN inside your jython library, you need to add import java.math at the top of your library. Such as: import java.math def isNaN(a) return Double.isNaN(a) Let us know if you have problem. Yuan > -- > Tod Hagan <address@hidden> > > 251 Morse Hall > Earth Systems Research Center > Institute for the Study of Earth, Oceans, and Space > University of New Hampshire > 8 College Road > Durham, NH 03824-3525 > > Ticket Details =================== Ticket ID: BWP-558582 Department: Support IDV Priority: Normal Status: Closed
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