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20051018: 20050814: IDV version 1.2 available for download

>From: "Valentijn Venus" <address@hidden>
>Organization: ITC
>Keywords: 200510180834.j9I8YW7s006298 Jython

Hi Valentijn-

>did you get a change to look at the question i send the other day
>related to the time series bug ( see below, i.e. running a bandmath
>jython script on more than one ADDE image)?  =20

I sent a reply to that question on August 16.  I've attached that response to
this message.  If that's not the same problem, let me know.

>The jnlp issue is solved in the meantime....

Glad to hear it.

Here's the reply I sent previously:

> From:      Unidata Support <address@hidden>
> Date:      Tue, 30 Aug 2005 10:07:29 -0600
> Organization: UCAR/Unidata
> 
> >From: "Valentijn Venus" <address@hidden>
> >Organization: ITC
> >Keywords: 200508152235.j7FMZdjo011711  IDV images
> 
> Hi Valentijn-
> 
> I apologize for the delay in responding.  This took me a bit longer
> to figure out than I thought (I'm not the best Jython writer).
> 
> >When running the following script on multiple pairs of image (see =
> >attached screendump) from adde.ucar.edu dataset: RTIMAGES:=20
> >
> >def addImages (a,b):
> >  lineValuesA =3D a.getFloats()
> >  lineValuesB =3D b.getFloats()
> >  for i in xrange(a.getDomainSet().getLength()):
> >    value =3D lineValuesA[0][i] - lineValuesB[0][i]
> >    lineValuesA[0][i] =3D value*i
> >  newd =3D a.clone()
> >  newd.setSamples(lineValuesA)
> >  return newd
> >
> >I get: "An error has occurred: ControlDescriptor.Creating display
> > org.python.core.PyException
> >
> >
> >Traceback (innermost last):
> >  File "<string>", line 1, in ?
> >  File "<string>", line 8, in addImages
> >AttributeError: __getitem__"
> >
> >This happens with any ADDE dataset, but works fine as long as single =
> >images (i.e. one pair) are selected.
> 
> The basic problem is that you get two different objects depending on
> whether you ask for a set of images or a single image.  When you 
> request a sequence of images, the getFloats() end up returning
> a null array, thus the error.
> 
> So, to handle either case, I wrote the following procedure and call
> it:
> 
> def addImageSequences(a,b):
>   import ucar.unidata.data.grid.GridUtil as gu
>   if (gu.isTimeSequence(a)):
>      newA = a.clone()
>      for t in range(a.getDomainSet().getLength()):
>          print "t = ", t
>          subA = a.getSample(t)
>          subB = b.getSample(t)
>          newA.setSample(t,addImages(subA, subB))
>      return newA
>   else:
>      return addImages(a,b)

Don
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