Re: Flatfield and unionsets

• To: Tiago Simoes <simoes@xxxxxxx>
• Subject: Re: Flatfield and unionsets
• From: Bill Hibbard <hibbard@xxxxxxxxxxxxxxxxx>
• Date: Thu, 06 Dec 2001 10:32:50 -0600

Hi Tiago,

I can't see any error, so perhaps it is somewhere else in
your code, or in VisAD. Can you send me a small stand-alone
program that uses this code but actually generates a
Display so I can see the lack of color.

Bill

> Hi bill,
> 
>      RealTupleType fieldtuple = new RealTupleType(RealType.Latitude, 
> RealType.Longitude);
> 
>      float[][] vals = new float[2][4];
>      vals[0][0] = 100.0f;
>      vals[1][0] = 50.0f;
>      vals[0][1] = 50.0f;
>      vals[1][1] = 50.0f;
>      vals[0][2] = 50.0f;
>      vals[1][2] = 10.0f;
>      vals[0][3] = 10.0f;
>      vals[1][3] = 10.0f;
> 
>      Irregular2DSet land = new Irregular2DSet(fieldtuple,vals);
> 
>      RealType isoTemperature = new RealType("isoTemperature");
> 
>      FunctionType func_domain_isoTemp = new FunctionType(fieldtuple, 
> isoTemperature);
> 
>      FlatField iso_vals_ff = new FlatField( func_domain_isoTemp, land);
> 
>      float[][] flat_isoVals = new float[1][4];
>      flat_isoVals[0][0] = 0.25f;
>      flat_isoVals[0][1] = 1.0f;
>      flat_isoVals[0][2] = 1.0f;
>      flat_isoVals[0][3] = 0.25f;
> 
>      iso_vals_ff.setSamples( flat_isoVals);
> 
>      ScalarMap isoTempRGBMap = new ScalarMap( isoTemperature,  Display.RGB );
> 
>  Ican't manage to see any colors in this flatfield (no errors also), what i'm 
> i doing wrong? I've 4 points, each point with a sample value.
> 
> Thanks
> Tiago
> 
> Bill Hibbard wrote:
> 
> > Hi Tiago,
> >
> >> Can i use a UnionSet of Irregular2DSets as the domain Set
> >> of a Flatfield?
> >>
> > Yes. The number of Field samples is the sum of the numbers of
> > samples in all the Irregular2DSets, ordered as all the samples
> > of the first Irregular2DSet, followed by the samples of the
> > second Irregular2DSet, etc.
> > Cheers,
> > Bill
> > ----------------------------------------------------------
> > Bill Hibbard, SSEC, 1225 W. Dayton St., Madison, WI  53706
> > hibbard@xxxxxxxxxxxxxxxxx  608-263-4427  fax: 608-263-6738
> > http://www.ssec.wisc.edu/~billh/vis.html
> >

-- 
----------------------------------------------------------
Bill Hibbard, SSEC, 1225 W. Dayton St., Madison, WI  53706
hibbard@xxxxxxxxxxxxxxxxx  608-263-4427  fax: 608-263-6738
http://www.ssec.wisc.edu/~billh/vis.html

• References:
  • Flatfield and unionsets
    • From: Tiago Simoes
  • Re: Flatfield and unionsets
    • From: Bill Hibbard
  • Re: Flatfield and unionsets
    • From: Tiago Simoes