Re: still dashed lines...

• To: Astrid Wonner <Astrid@xxxxxxxxx>
• Subject: Re: still dashed lines...
• From: "From: Bill Hibbard <hibbard@xxxxxxxxxxxxxxxxx>" <billh@xxxxxxxxxxxxx>
• Date: Tue, 27 Mar 2001 15:35:59 -0600 (CST)

Hi Astrid,

Sorry for your problems. Here's a version of P3_09_.java
that works for me. You may want to make the 16 even
larger.

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

/*
VisAD Tutorial
Copyright (C) 2000 Ugo Taddei
*/

// Import needed classes

import visad.*;
import visad.java2d.DisplayImplJ2D;
import java.rmi.RemoteException;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;


public class P3_09_{

  private RealType xpos, ypos, val ;
  private RealTupleType domain_tuple, range_tuple;
  private FunctionType func_domain_range;
  private Set domain_set;
  private Set domain_set_gridded;
  private FlatField vals_ff;
  private DataReferenceImpl data_ref;
  private DisplayImpl display;
  private ScalarMap xMap, yMap;
  private ScalarMap IsoMap, RGBMap;

  private float[][] x_y_vals = new float 
[][]{{0.0f,2.0f,2.0f,3.0f,3.0f,4.0f,4.0f},
                                              
{2.0f,1.0f,4.0f,3.0f,1.0f,4.0f,1.0f}};
  private float[][] values = new float 
[][]{{3.0f,1.0f,-1.0f,4.0f,2.0f,-2.0f,5.0f}};

  public P3_09_(String []args)
    throws RemoteException, VisADException {

    xpos = new RealType("Xpos");
    ypos = new RealType("Ypos");

    domain_tuple = new RealTupleType(xpos, ypos);

    val = new RealType("Values");

    func_domain_range = new FunctionType( domain_tuple, val);

    domain_set = new Irregular2DSet(domain_tuple, x_y_vals);

/*
    float[][] grid = new float[2][4];
    for (int i = 0; i<4; i++)
    { for (int j = 0; j<4; j++)
      { grid[0][i] = i;
        grid[1][j] = j; }}
*/

    float[][] grid = new float[2][256];
    for (int i = 0; i<16; i++)
    { for (int j = 0; j<16; j++)
      { grid[0][i + 16 * j] = 0.25f * i;
        grid[1][i + 16 * j] = 0.25f * j; }}


    // domain_set_gridded = new Gridded2DSet(domain_tuple, grid,4);
    // domain_set_gridded = new Gridded2DSet(domain_tuple, grid,4, 4);
    domain_set_gridded = new Gridded2DSet(domain_tuple, grid,16, 16);


    vals_ff = new FlatField( func_domain_range, domain_set );

    // vals_ff.resample(domain_set_gridded);
    vals_ff.setSamples( values , false );
    vals_ff = (FlatField) vals_ff.resample(domain_set_gridded);

    display = new DisplayImplJ2D("display1");

    GraphicsModeControl dispGMC = (GraphicsModeControl)  
display.getGraphicsModeControl();
    dispGMC.setScaleEnable(true);

    xMap = new ScalarMap( ypos, Display.YAxis );
    yMap = new ScalarMap( xpos, Display.XAxis );

    IsoMap = new ScalarMap( val,  Display.IsoContour );
    RGBMap = new ScalarMap( val,  Display.RGB );

    display.addMap( yMap );
    display.addMap( xMap );

    display.addMap( IsoMap );
    display.addMap( RGBMap );

    ContourControl isoControl = (ContourControl) IsoMap.getControl();

    // float base = 0.0f;
    float base = 2.0f;
    float[] levs = new float[16];
    for (int i = 0; i < 16; i++)
    {  levs[i] = (float) (i-1)/2; }

    isoControl.setLevels(levs, base, true);

    isoControl.enableLabels(true);

    data_ref = new DataReferenceImpl("data_ref");

    data_ref.setData( vals_ff );

    display.addReference( data_ref );

    JFrame jframe = new JFrame("...");
    jframe.getContentPane().add(display.getComponent());

    jframe.setSize(300, 300);
    jframe.setVisible(true);


  }


  public static void main(String[] args)
    throws RemoteException, VisADException
  {
    new P3_09_(args);
  }

}

• References:
  • Re: still dashed lines...
    • From: Astrid Wonner