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[IDV #PVX-612998]: IDV - IDV - JAVA apache commons math function

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  • Subject: [IDV #PVX-612998]: IDV - IDV - JAVA apache commons math function
  • Date: Sat, 17 Mar 2007 06:31:36 -0600
Hi Valentijn,

> 
> i'm trying to use the JAVA apache commons math function in the IDV-jython. 
> You can find the jar containing these classes at:
> 
> http://adde.itc.nl/IDV/commons-math-1.1.jar
> 
> If you load the ITC-IDV from here you'll the nightly build with the common 
> math jar automatically through webstart:
> 
> http://adde.itc.nl/IDV/IDV_ITC_R6.jnlp
> 
> Here is my jython code:
> 
> sys.add_package('org.apache.commons.math.analysis');
> sys.add_package('org.apache.commons.math');
> from org.apache.commons.math.analysis import UnivariateRealInterpolator, 
> UnivariateRealFunction
> from org.apache.commons.math.analysis import SplineInterpolator, 
> PolynomialSplineFunction, PolynomialFunction
> 
> from jarray import zeros
> from java.lang import Float
> 
> def getTestImageN52(d):
> 
> arrayX = zeros(1,"d")
> arrayY = zeros(1,"d")
> 
> arrayX = [0,1,2,3,4]
> arrayY = [3,4,5,6,7]
> 
> UnivariateRealInterpolator = SplineInterpolator();
> UnivariateRealFunction = 
> UnivariateRealInterpolator.interpolate(arrayX,arrayY);
> print UnivariateRealFunction.getN()
> print UnivariateRealFunction.value(4)
> 
> Up to here it work, but now i want to get the coefficients using the 
> getCoefficients().
> 

Can you send your full jython library along? the below error has a line number 
in your
getTextImageN52 procedure. It looks like you are passing in a string value to a 
method
that expects a double array.

-Jeff


> ******************
> Stack trace:
> Traceback (innermost last):
> File "<string>", line 1, in ?
> File "<string>", line 365, in getTestImageN52
> TypeError: org.apache.commons.math.analysis.PolynomialSplineFunction(): 1st 
> arg can't be coerced to double[]
> 
> 
> 


Ticket Details
===================
Ticket ID: PVX-612998
Department: Support IDV
Priority: Normal
Status: Open