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> 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