Hi Ricardo,
I just tried an experiment, modifying visad/examples/Test22.java
to map ir_radiance to Display.Value, eliminate the maps to
Hue and Saturation, and set ir_radiance to only have values
0, 1, 2, 3, 4, 5 and 6. It worked fine for me - I saw seven
shades of grey. So I am not sure what is wrong in your program.
Make sure you don't have a setRange() call on your ScalarMap to
Display.Value, and that subClassRes values really are what you
think they are.
Good luck,
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
On Fri, 30 Jun 2000, Ricardo Ivan Mantilla G wrote:
> Hello VisAD Users:
>
> I have a problem displaying a matriz. The matrix's values spans from 0
> to 6, but when I represent it using a scalarmap all the values bertween
> 0 and 3 have the same color and other color for the values bertween 4
> and 6. How can I make the displayRenderer assign one color for each
> value.
>
> Here is the code I use to buid the ScalarMap.
>
> In the code My_Matrix is a float[][] whit values between 0 and 6
>
> ...
> ...
> ...
>
> //Define RealTypes
>
> xx2 = new RealType("x2");
> yy2 = new RealType("y2");
> xx_yy2 = new RealTupleType(xx2, yy2);
> supClassRes=new RealType("supClassRes");
> func_xy_SC = new FunctionType( xx_yy2, supClassRes);
>
> //Create display for image classification representation
>
> displaySC = new DisplayImplJ2D("displaySC");
>
> //bands for main diaplay
>
> xxMap2 = new ScalarMap( xx2, Display.XAxis );
> yyMap2 = new ScalarMap( yy2, Display.YAxis );
> bandUCKMMap = new ScalarMap( supClassRes, Display.Value );
>
> displaySC.addMap( xxMap2 );
> displaySC.addMap( yyMap2 );
> displaySC.addMap( bandUCKMMap );
>
> //data reference for displaySC
>
> data_refSC = new DataReferenceImpl("data_refSC");
> vals_ffUCKM.setSamples(My_Matrix , false );
> displaySC.addReference( data_refSC );
> displaySC.addDisplayListener(this);
> jPanel14.add(displaySC.getComponent());
>
> ...
> ...
> ...
> ...
>
>
> Thanks,
> Ricardo
>
>
>
>
