RE: More GriddedNDSet Questions

• To: "Visad" <visad@xxxxxxxxxxxxxxxx>
• Subject: RE: More GriddedNDSet Questions
• From: "Kenneth Evans" <evans@xxxxxxxxxxx>
• Date: Mon, 16 Apr 2007 16:18:20 -0500

Hi,

Now that that part is fixed, I am having a problem with the aspect ratio.  I
was using ProjectionControl.setAspectCartesian for the displayImplJ2D.  I
can't get that to work for displayImplJ3D, possibly because that one scales
and I don't know what to do about z.

Also, I no longer have a box and TwoDDisplayRendererJ3D.setBoxOn(true)
doesn't seem to work.  Nor does TwoDDisplayRendererJ3D.setBoxAspect(new
double[] {width, height, 1}) or anything else I've tried.

Thanks,

        -Ken

-----Original Message-----
From: owner-visad@xxxxxxxxxxxxxxxx [mailto:owner-visad@xxxxxxxxxxxxxxxx] On
Behalf Of Kenneth Evans
Sent: Monday, April 16, 2007 2:48 PM
To: Visad
Subject: RE: More GriddedNDSet Questions

Don,

     Good guess! That fixed it.  Thanks a lot.

        -Ken

-----Original Message-----
From: Don Murray [mailto:dmurray@xxxxxxxxxxxxxxxx] 
Sent: Monday, April 16, 2007 2:28 PM
To: Bill Hibbard
Cc: Kenneth Evans; Visad
Subject: Re: More GriddedNDSet Questions

Hi Bill/Ken-

Bill Hibbard wrote:

> I took a hard look at the various criteria for computing the
> boolean flags isTextureMap and curvedTexture, and the
> only reasonable cause for curvedTexture == false when
> isTextureMap == true in your case is that you must be
> using a DisplayImplJ2D. The only other possible causes
> I can see are that you may be explicitly setting curvedSize
> to 0, or have a ConstantMap of false to Display.TextureEnable,
> both very unlikely.

I was going to guess Ken's using a DisplayImplJ2D based on
his comment about slowness.

> Curved texture maps are not supported in Java2D and so
> won't work in a DisplayImplJ2D. If you are using a
> DisplayImplJ2D, can you switch to a DisplayImplJ3D?

You could still have a 2D application by using:

    DisplayImpl display
       new DisplayImplJ3D("display", new TwoDDisplayRendererJ3D());

but performance should be greatly improved.  Of course, you'll
need to install Java 3D.

Don
*************************************************************
Don Murray                               UCAR Unidata Program
dmurray@xxxxxxxxxxxxxxxx                        P.O. Box 3000
(303) 497-8628                              Boulder, CO 80307
http://www.unidata.ucar.edu/staff/donm
*************************************************************



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• References:
  • RE: More GriddedNDSet Questions
    • From: Bill Hibbard
  • Re: More GriddedNDSet Questions
    • From: Don Murray
  • RE: More GriddedNDSet Questions
    • From: Kenneth Evans