> address@hidden> wrote: > > > 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) > > > > Hello IDV support, > > Your reply is incorrect, there's a colon ':' missing. The corrected line > should read: > > def isNaN(a): > > > > Note the colon ':' at the end of the line. > > Even after correcting the colon, it still produces an error: > > Creating display: Point Cloud > > NameError: global name 'Double' is not defined > > org.python.core.PyException > > > > The error detail is: > > Traceback (most recent call last): > > File "<string>", line 1, in <module> > > File "<string>", line 8, in log10_py > > File "<string>", line 5, in isNaN > > NameError: global name 'Double' is not defined > > > > As an example of what I'm trying to do, here's what is in my local Jython > User's library: > > import java.math > > > > def isNaN(a): > > return Double.isNaN(a) > > > > def example_py(val): > > if not isNaN(val): > > val = val * 2 > > return val > > > > Then, in the Edit Formula dialog, I use 'example_py(name)' to double the > value of a variable, taking NaNs into account. > > I'd appreciate it if you would provide a tested, working example of this > simple formula, since I can't get it to work. Ok, my bad. Here is a real working example: from java.lang import Double def example_py(val): if not isNaN(val): val = val * 2 return val def isNaN(a): return Double.isNaN(a) Yuan > > Thank you. > > -- > 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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