Re: how to fill in pixels

• To: Don Murray <dmurray@xxxxxxxxxxxxxxxx>
• Subject: Re: how to fill in pixels
• From: Bill Hibbard <hibbard@xxxxxxxxxxxxxxxxx>
• Date: Thu, 22 Aug 2002 12:10:55 -0500

Don Murray wrote:

> Using this new version of ShadowFunctionOrSetType, what once
> used to (sort of) work, now doesn't.  I'm using the
> Radar3DCoordinateSystem and now get an ArrayOutOfBoundsException:
> 
> java.lang.ArrayIndexOutOfBoundsException
>          at
> ucar.visad.RadarGridCoordinateSystem.toReference(RadarGridCoordinateS
> ystem.java:91)
>          at
> visad.CachingCoordinateSystem.toReference(CachingCoordinateSystem.jav
> a:78)
>          at visad.CoordinateSystem.toReference(CoordinateSystem.java:525)
>          at
> visad.CoordinateSystem.transformCoordinatesFreeUnits(CoordinateSystem
> .java:360)
>          at
> visad.CoordinateSystem.transformCoordinatesFreeUnits(CoordinateSystem
> .java:500)
>          at
> visad.CoordinateSystem.transformCoordinates(CoordinateSystem.java:439
> )
>          at
> visad.ShadowFunctionOrSetType.doTransform(ShadowFunctionOrSetType.jav
> a:1240)
>          at
> visad.java3d.ShadowFunctionOrSetTypeJ3D.doTransform(ShadowFunctionOrS
> etTypeJ3D.java:100)
>          at
> visad.java3d.ShadowFunctionOrSetTypeJ3D.recurseRange(ShadowFunctionOr
> SetTypeJ3D.java:986)
>          at
> visad.ShadowFunctionOrSetType.doTransform(ShadowFunctionOrSetType.jav
> a:2914)
>          at
> visad.java3d.ShadowFunctionOrSetTypeJ3D.doTransform(ShadowFunctionOrS
> etTypeJ3D.java:100)
>          at
> visad.java3d.DefaultRendererJ3D.doTransform(DefaultRendererJ3D.java:9
> 8)
>          at visad.java3d.RendererJ3D.doAction(RendererJ3D.java:177)
>          at visad.DisplayImpl.doAction(DisplayImpl.java:1504)
>          at visad.ActionImpl.run(ActionImpl.java:303)
>          at visad.util.ThreadPool$ThreadMinnow.run(ThreadPool.java:95)
> 
> If I revert back to the previous version, it works fine (except
> for the textureMapping not working correctly). RadarGridCoordinateSystem
> is attached.  It looks like the 3 dimensional array it is expecting
> (lat, lon, elevation) is coming in as a 2 dimensional array (lat, lon)?
> 
> I always wondered why the textureMapping didn't work for this data, so
> now I guess I know why.

Oops, this problem is deeper than I thought. I have put a
possible fix at:

  ftp://ftp.ssec.wisc.edu/pub/visad-2.0/untested/

and also checked it into the CVS. Let me know if it works.

Bill

• Follow-Ups:
  • Re: how to fill in pixels
    • From: Don Murray

• References:
  • Re: how to fill in pixels
    • From: Bill Hibbard
  • Re: how to fill in pixels
    • From: V. Lakshmanan
  • Re: how to fill in pixels
    • From: Bill Hibbard
  • Re: how to fill in pixels
    • From: V. Lakshmanan
  • Re: how to fill in pixels
    • From: Bill Hibbard
  • Re: how to fill in pixels
    • From: Don Murray