// ************************************************************* // ************************************************************** import visad.*; import visad.util.*; import visad.browser.*; import visad.java2d.DisplayImplJ2D; import visad.java3d.DisplayImplJ3D; import java.rmi.RemoteException; import java.math.*; import java.awt.*; import java.awt.event.*; import java.util.*; import java.lang.Float; import java.applet.*; import javax.swing.*; // ******************************************************** // The troublesome class, which produces a 3-d scatter plot. The code // runs without modification as either an applet or app. // ******************************************************** public class apfrm extends Applet { // ********************************************* // * These are static objects shared and used * // * for visad... * // ********************************************* static RealType x1; static RealType x2; static RealType x3; static RealTupleType x1_x2_x3_tuple; static DisplayImpl display; static ScalarMap x1Map, x2Map, x3Map; static ConstantMap[] pointsCMap; static DataReferenceImpl data_ref; static RealType index; static RangeWidget ranWid = null; static FlatField vals_ff=null; static Integer1DSet prop_set=null; static FunctionType func_i_tuple=null; // a couple useful variables static Boolean firsttime = Boolean.TRUE; // next 2 needed to run as an app static boolean inApplet = true; static Hashtable parameters = new Hashtable(); // ****************************************************** // * This construct done all the work of your * // * multiinit_workaround() * // ****************************************************** apfrm() { System.out.println("NST INITIALISATION..."); // ************************************************* // * Since these objects will be used throughout, * // * there are declared and assigned here once and * // * and for all! * // ************************************************* try { x1 = new RealType( "x-axis" ); x2 = new RealType( "y-axis" ); x3 = new RealType( "z-axis" ); index = new RealType( "dataIndex"); // !!NST assign here once only! x1_x2_x3_tuple = new RealTupleType(x1, x2, x3); x1Map = new ScalarMap( x1, Display.XAxis ); x2Map = new ScalarMap( x2, Display.YAxis ); x3Map = new ScalarMap( x3, Display.ZAxis ); pointsCMap = new ConstantMap[] { new ConstantMap( 1.0f, Display.Red ), new ConstantMap( 0.0f, Display.Green ), new ConstantMap( 0.0f, Display.Blue ), new ConstantMap( 4.5f, Display.PointSize) }; data_ref = new DataReferenceImpl("data_ref"); display = new DisplayImplJ3D("display"); display.addMap( x1Map ); display.addMap( x2Map ); display.addMap( x3Map ); display.addReference( data_ref, pointsCMap ); // ************************************************ // * !!NST Initialize you applet (Panel) here * // * as Well! * // ************************************************ this.setLayout(new BorderLayout()); this.setSize( 450, 450 ); this.add(display.getComponent()); } catch (Exception e) { e.printStackTrace(); } } // ****************************************************** // // most interesting work goes on here // // ****************************************************** public void start() { boolean problems = false; System.out.println("entering start"); // get the data Vector d1 = getdim("d1_"); Vector d2 = getdim("d2_"); Vector d3 = getdim("d3_"); // *********************************************** // * make a new index for the data, since it may * // * have a different length * // *********************************************** if(!problems) { try { prop_set = new Integer1DSet( index, d1.size() ); func_i_tuple = new FunctionType( index, x1_x2_x3_tuple ); vals_ff = new FlatField( func_i_tuple, prop_set); } catch (Exception e) { System.out.println("apfrm::start.ERROR: Common code section error."); System.out.println(e.toString()); problems = true; } } // ************************************************* // * The time through we add the maps, while every * // * subsequent time we remove the maps, modify * // * them, and them put them back. * // ************************************************* if(!problems) { try { // ****************************************** // * !!NST if your data set varies in size * // * you may have to remove the old data * // * reference and add a new one into the * // * display * // ****************************************** problems = add3dData( d1, d2, d3, "x", "y", "z" ); // display.addReference( data_ref, pointsCMap ); } catch (Exception e) { // ******************************************* // * !!NST Use this to printout errorStack * // * This is most useful, as it will, most * // * of the time, pinpoint to the line in * // * your source code causing the error! * // * And a trace of the call!!! * // ******************************************* e.printStackTrace(); // ******************************************* // ******************************************* // System.out.println("apfrm::start.ERROR: Common code II section error."); // System.out.println(e.toString()); problems = true; } } System.out.println("leaving start"); } // ****************************************************** // put the data into a form that visad can access // ****************************************************** private boolean add3dData(Vector d1, Vector d2, Vector d3, String xname, String yname, String zname ) { int dimension=3; float[][] point_vals = null; boolean problems = false; try { point_vals = new float[dimension][]; for ( int i = 0; i < dimension; i++ ) { point_vals[i] = new float[ d1.size() ]; for ( int j = 0; j < d1.size(); j++ ) { if(i==0) point_vals[i][j] = Float.valueOf( (String) d1.elementAt(j)).floatValue(); else if(i==1) point_vals[i][j] = Float.valueOf( (String) d2.elementAt(j)).floatValue(); else if(i==2) point_vals[i][j] = Float.valueOf( (String) d3.elementAt(j)).floatValue(); } } } catch ( NumberFormatException nfe) { problems = true; System.out.println("apfrm::add3dData.ERROR: 3-d plot. Problem with conversion to float data."); } try { x1Map.setScalarName( xname ); x2Map.setScalarName( yname ); x3Map.setScalarName( zname ); vals_ff.setSamples( point_vals ); data_ref.setData( vals_ff ); } catch ( Exception e ) { problems = true; System.out.println("apfrm::add3dData.ERROR: 3-d plot. Add data/set name problem."); e.printStackTrace(); showStatus( new String( e.getMessage() ) ); } return(problems); } // ****************************************************** // ****************************************************** // Get all data for a dimension // ****************************************************** private Vector getdim( String suffix ) { Vector tv = new Vector(); String tmp = null; int tcnt = 0; if(inApplet) { while((tmp = getParameter( suffix+tcnt ) ) != null ){ tv.add( new String(tmp) ); tcnt++; } } else { while((tmp=(String)parameters.get(suffix+tcnt))!=null){ tv.add( new String(tmp) ); tcnt++; } } return(tv); } // ****************************************************** // observe when everything gets hit in an applet // ****************************************************** public void close() { System.out.println("entering/leaving close"); } // ****************************************************** // observe when everything gets hit in an applet // ****************************************************** public void stop() { System.out.println("entering/leaving stop"); } // ****************************************************** // observe when everything gets hit in an applet // ****************************************************** public void paint() { System.out.println("entering/leaving paint"); } // ****************************************************** // ****************************************************** // run as an app public static void main(String args[]) { inApplet = false; Frame appfrm = new Frame("apfrm as app"); apfrm app = new apfrm(); appfrm.add( "Center", app ); // ****************************************************** // load parms fake parms, since we're running as an app, not an applet // ****************************************************** parameters.put((String)"d1_0",(String)"12.7263"); parameters.put((String)"d1_1",(String)"12.8872"); parameters.put((String)"d1_2",(String)"12.7593"); parameters.put((String)"d1_3",(String)"12.7729"); parameters.put((String)"d1_4",(String)"12.8134"); parameters.put((String)"d1_5",(String)"12.368"); parameters.put((String)"d1_6",(String)"12.5379"); parameters.put((String)"d1_7",(String)"12.4563"); parameters.put((String)"d1_8",(String)"12.5902"); parameters.put((String)"d1_9",(String)"12.5821"); parameters.put((String)"d1_10",(String)"12.7492"); parameters.put((String)"d2_0",(String)"-0.6359"); parameters.put((String)"d2_1",(String)"-0.6598"); parameters.put((String)"d2_2",(String)"-0.6501"); parameters.put((String)"d2_3",(String)"-0.6406"); parameters.put((String)"d2_4",(String)"-0.6496"); parameters.put((String)"d2_5",(String)"-0.6394"); parameters.put((String)"d2_6",(String)"-0.607"); parameters.put((String)"d2_7",(String)"-0.6047"); parameters.put((String)"d2_8",(String)"-0.5897"); parameters.put((String)"d2_9",(String)"-0.576"); parameters.put((String)"d2_10",(String)"-0.6775"); parameters.put((String)"d3_0",(String)"2.064"); parameters.put((String)"d3_1",(String)"2.0866"); parameters.put((String)"d3_2",(String)"2.0712"); parameters.put((String)"d3_3",(String)"2.0687"); parameters.put((String)"d3_4",(String)"2.0728"); parameters.put((String)"d3_5",(String)"1.9956"); parameters.put((String)"d3_6",(String)"2.0116"); parameters.put((String)"d3_7",(String)"2.0036"); parameters.put((String)"d3_8",(String)"2.0147"); parameters.put((String)"d3_9",(String)"2.0132"); parameters.put((String)"d3_10",(String)"2.0845"); appfrm.setSize(500,500); app.start(); // test line 6 app.start(); // test line 6 app.start(); // test line 6 app.start(); // test line 6 app.start(); // test line 6 appfrm.show(); } }