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[IDV #CNP-644177]: data type problem with power operation in Jython code

Hi HP-

My bad.  We recently updated the visad jar files and the change I made to fix 
the problem earlier was lost.  I just redid the nightly build with the fix 
included.  Please try it and let me know if it works.

Thanks.

Don

> Full Name: HansPeter Roesli
> Email Address: address@hidden
> Organization: EUMETSAT
> Package Version: 2.8a1 build date:@DATE@
> Operating System: Windows Vista
> Hardware: Java: home: C:\Program Files\IDV_2.8a1\jre version: 1.6.0_13 
> j3d:1.5.2 fcs (build4)
> Description of problem: Hi -
> 
> Something must have terribly changed in the data type area in Jython/VisAD. 
> An RGB formula using the power operation are not working anymore in nightly 
> builds of 11 and 12 Nov. Here is the Jthon code of the formula:
> 
> def DUST_RGB(ch07,ch09,ch10):
> img1 = 255*max_data(min_data((ch10-ch09+4)/6,1),0)
> img2 = 255*max_data(min_data((ch09-ch07)/15,1),0)**(1/2.5)
> img3 = 255*max_data(min_data((ch10-261)/28,1),0)
> return combineRGB(img1,img2,img3)
> 
> It still worked in the build of 8 Nov.
> 
> HP
> 
> Creating display: 3 Color (RGB) Image
> org.python.core.PyException
> 
> ******************
> Stack trace:
> Traceback (innermost last):
> File "<string>", line 1, in ?
> File "<string>", line 205, in DUST_RGB
> at visad.RealType.binary(RealType.java:537)
> 
> at visad.RealTupleType.binary(RealTupleType.java:295)
> 
> at visad.FunctionType.binary(FunctionType.java:275)
> 
> at visad.FunctionType.binary(FunctionType.java:275)
> 
> at visad.DataImpl.binary(DataImpl.java:138)
> 
> at visad.DataImpl.pow(DataImpl.java:231)
> 
> at visad.DataImpl.__pow__(DataImpl.java:1505)
> 
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 
> at java.lang.reflect.Method.invoke(Unknown Source)
> 
> 
> java.lang.NullPointerException: java.lang.NullPointerException
> 
> 
> 


Ticket Details
===================
Ticket ID: CNP-644177
Department: Support IDV
Priority: Normal
Status: Open