diff src/samer/mds/MatrixPointViewer2.java @ 0:bf79fb79ee13

Initial Mercurial check in.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/samer/mds/MatrixPointViewer2.java	Tue Jan 17 17:50:20 2012 +0000
@@ -0,0 +1,113 @@
+package samer.mds;
+
+import samer.core.*;
+import samer.core.types.*;
+import samer.core.util.*;
+import samer.maths.*;
+import samer.tools.*;
+import java.util.*;
+import java.awt.*;
+
+public class MatrixPointViewer2 extends samer.core.util.swing.VCanvas implements Task, Observer, Agent
+{
+	Matrix			P;			// point positions
+	Vec			x;			// point activities
+	int				N;
+	int				k1, k2;
+	Color[]		clut;
+	VMap			xmap, ymap, cmap;
+	VInteger		markerSize;
+	int[]			ix, iy;
+	
+	public MatrixPointViewer2(Matrix P, Vec x) {
+		this.P=P;
+		this.x=x;
+		N=P.getRowDimension();
+		k1=0; k2=1;
+
+//		ColorRamp cramp=new ColorRamp(256);
+//		cramp.set(0,Color.black);
+//		cramp.gradientTo(255,Color.white);
+		clut=new Color[256];
+		for (int i=0; i<256; i++) clut[i]=new Color(255,255,255,i);
+
+		ix = new int[N];
+		iy = new int[N];
+		
+		markerSize=new VInteger("markerSize",4);
+		cmap=new VMap(new LinearMap(256),new Node("cmap"));
+		xmap=new VMap(new LinearMap(256),new Node("xmap"));
+		ymap=new VMap(new LinearMap(256),new Node("ymap"));
+		exposeCommands(this);
+
+		P.viewable().addObserver(this);
+		xmap.addObserver(this);
+		ymap.addObserver(this);
+	}
+
+	public void sized() {
+		xmap.getMap().setIntRange(width);
+		ymap.getMap().setIntRange(height);
+		update(null,null);
+	}
+	
+	public void attach() { P.viewable().addObserver(this); }
+	public void detach() {
+		P.viewable().deleteObserver(this);
+		xmap.dispose();
+		ymap.dispose();
+		cmap.dispose();
+		markerSize.dispose();
+	}	
+
+	public void rotate() {
+		k2++;
+		if (k2>=P.getColumnDimension()) {
+			k2=0;	k1++;
+			if (k1>=P.getColumnDimension()) k1=0;
+		}
+		if (k2==k1) rotate();
+	}
+
+	public void starting() {}
+	public void stopping() {}
+	public void run() { repaint(); }
+	public void dispose() { detach(); }
+	
+	public void update(Observable o, Object a)
+	{
+		double [][] p=P.getArray();
+		IMap		xm=xmap.getMap();
+		IMap		ym=ymap.getMap();
+		
+		for (int i=0; i<N; i++) {
+			double r[]=p[i];
+			ix[i]=xm.toInt(r[k1]);
+			iy[i]=ym.toInt(r[k2]);
+		}
+		repaint();
+	}
+
+	public void paint(Graphics g) {
+		double [] a=x.array();
+		IMap		cm=cmap.getMap();
+		int			b=markerSize.value;
+
+		clear(g);
+		for (int i=0; i<N; i++) {
+			g.setColor(clut[cm.clipInt(a[i])]);
+			g.fillRect(ix[i],iy[i],b,b);
+		}
+	}
+
+	public void getCommands(Registry r) {
+		r.add("rotate").add("x-map").add("y-map").add("c-map");
+	}
+	public void execute(String cmd, Environment env)
+	{
+		if (cmd.equals("rotate")) { rotate(); update(null,null); }
+		else if (cmd.equals("x-map")) Shell.expose(xmap.getViewer(),"x-map");
+		else if (cmd.equals("y-map")) Shell.expose(ymap.getViewer(),"y-map");
+		else if (cmd.equals("c-map")) Shell.expose(cmap.getViewer(),"c-map");
+	}
+}
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