src/edu/berkeley/qfat/MeshViewer.java

   1 package edu.berkeley.qfat;
   2 import java.io.*;
   3 import java.nio.*;
   4 import java.awt.*;
   5 import java.awt.event.*;
   6 import javax.swing.*;
   7 import javax.media.opengl.*;
   8 import javax.media.opengl.glu.*;
   9 import com.sun.opengl.util.*;
  10 import java.util.*;
  11 import edu.berkeley.qfat.geom.*;
  12 import edu.berkeley.qfat.geom.Point;
  13
  14 public class MeshViewer extends Viewer {
  15
  16     public int whichNeighbor = 1;
  17
  18     public double temp;
  19     public boolean tileon = true;
  20     public boolean tilemeshon = false;
  21     public boolean goalon = true;
  22     public boolean anneal = false;
  23     public boolean hillclimb = false;
  24     public boolean neighbors = false;
  25     public boolean neighborsWire = false;
  26     public boolean neighborsWireOne = false;
  27     public boolean errorNormals = false;
  28
  29     public boolean force = false;
  30     public Matrix[] transforms;
  31     public Mesh.Vertex[] points;
  32     public int breaks = 0;
  33
  34     public int temps;
  35     public int accepts;
  36     public    int vertss;
  37     protected HashSet<Mesh.T> safeTriangles = new HashSet<Mesh.T>();
  38
  39     public MeshViewer(JFrame f) { super(f); }
  40
  41
  42     public void _display(GLAutoDrawable drawable, GL gl) {
  43
  44         if (transforms==null) return;
  45         glcanvas.setSize(f.getWidth(), f.getHeight() - 100);
  46         Graphics2D g = (Graphics2D)f.getGraphics();
  47         g.setColor(Color.black);
  48         g.fillRect(0, f.getHeight()-100, f.getWidth(), f.getHeight());
  49         g.setColor(Color.red);
  50         int top = f.getHeight()-70;
  51         g.drawString("temperature: "+temps, 10, 30+top);
  52         g.drawString("acceptance: "+accepts, 10, 50+top);
  53         g.drawString("vertices: "+vertss, 10, 70+top);
  54         g.fillRect(140, 25+top, temps, 10);
  55         g.fillRect(140, 45+top, accepts, 10);
  56         g.fillRect(140, 65+top, vertss, 10);
  57
  58         GLU glu = new GLU();
  59         gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
  60         gl.glPointSize(5.0f);
  61         gl.glLoadIdentity();
  62         glu.gluPerspective(50, ((float)drawable.getWidth())/drawable.getHeight(), 0.5, 10);
  63         glu.gluLookAt(0, 0, -((tz/10)-1), 0, 0, 0, 0, 1, 0);
  64         gl.glRotatef(anglex/3, 0, 1, 0);
  65         gl.glRotatef(-(angley/3), 1, 0, 0);
  66
  67
  68         gl.glDisable(GL.GL_LIGHTING);
  69         gl.glColor4f(1, 0, 0, 1);
  70         gl.glBegin(GL.GL_LINES);
  71         gl.glVertex3f(0,0,0);
  72         gl.glVertex3f(.3f,0,0);
  73         gl.glEnd();
  74         gl.glColor4f(0, 1, 0, 1);
  75         gl.glBegin(GL.GL_LINES);
  76         gl.glVertex3f(0,0,0);
  77         gl.glVertex3f(0,.3f,0);
  78         gl.glEnd();
  79         gl.glColor4f(0, 0, 1, 1);
  80         gl.glBegin(GL.GL_LINES);
  81         gl.glVertex3f(0,0,0);
  82         gl.glVertex3f(0,0,.3f);
  83         gl.glEnd();
  84         gl.glEnable(GL.GL_LIGHTING);
  85
  86
  87         gl.glBegin(GL.GL_TRIANGLES);
  88         if (tileon)
  89             draw(gl, true, safeTriangles);
  90         if (tilemeshon)
  91             draw(gl, false, safeTriangles);
  92         gl.glEnd();
  93
  94         //draw(gl, false, tile);
  95
  96         gl.glBegin(GL.GL_TRIANGLES);
  97         gl.glColor4f((float)0.5, (float)0.5, (float)0.5, (float)0.8);
  98         if (goalon)
  99             draw(gl, false, goal);
 100         gl.glEnd();
 101
 102
 103         int i = 0;
 104         gl.glColor4f(1,1,1,1);
 105         for(Matrix m : transforms) {
 106             i++;
 107             if (neighborsWireOne && i!=whichNeighbor) continue;
 108             if (neighbors) draw(gl, true, safeTriangles, m);
 109             else if (neighborsWire || neighborsWireOne) draw(gl, false, safeTriangles, m);
 110         }
 111
 112         gl.glDisable(GL.GL_LIGHTING);
 113         gl.glShadeModel(GL.GL_FLAT);
 114         if (closest != null) {
 115             gl.glColor3f(1,1,1);
 116             gl.glBegin(gl.GL_POINTS);
 117             closest.getPoint().glVertex(gl);
 118             gl.glEnd();
 119         }
 120
 121         gl.glFlush();
 122         gl.glDrawBuffer(GL.GL_BACK);
 123         gl.glReadBuffer( GL.GL_BACK );
 124         gl.glPixelStorei( GL.GL_PACK_ALIGNMENT, 1);
 125         gl.glFlush();
 126         gl.glDisable(GL.GL_LIGHTING);
 127         gl.glShadeModel(GL.GL_FLAT);
 128
 129
 130         updateVisibility(gl, tile);
 131
 132         Matrix projection = Matrix.getProjectionMatrix(gl);
 133         double dist = Double.MAX_VALUE;
 134         if (clickPoint != null) return;
 135         closest = null;
 136         for(Mesh.Vertex v : tile.vertices()) {
 137             if (!v.visible) continue;
 138             Point p = projection.times(v.getPoint());
 139             int x = (int)p.x;
 140             int y = (int)p.y;
 141             y = glcanvas.getHeight()-y;
 142             if (closest==null || (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey) < dist) {
 143                 dist = (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey);
 144                 closest = v;
 145             }
 146         }
 147     }
 148
 149
 150     private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris) { draw(gl, triangles, tris, Matrix.ONE); }
 151     private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris, Matrix m) {
 152         float red = 0.0f;
 153         float green = 0.0f;
 154         float blue = 0.0f;
 155         synchronized(this) {
 156         for(Mesh.T t : tris) {
 157             if (red < 0.15) red = 1.0f;
 158             if (green < 0.15) green = 1.0f;
 159             if (blue < 0.15) blue = 1.0f;
 160             red -= .09f;
 161             green -= .12f;
 162             blue -= .15f;
 163
 164             /*
 165             if (triangles) switch(t.color) {
 166                 case 0: gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3); break;
 167                 case 1: gl.glColor4f((float)0.25, (float)0.75, (float)0.25, (float)0.3); break;
 168                 case 2: gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3); break;
 169                 case 3: gl.glColor4f((float)0.50, (float)0.50, (float)0.50, (float)0.3); break;
 170                 case 4: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
 171                 case 5: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
 172                 case 6: gl.glColor4f((float)0.75, (float)0.25, (float)0.75, (float)0.3); break;
 173             }
 174             */
 175
 176             gl.glColor4f((float)(0.25+(0.05*t.color)),
 177                          (float)(0.25+(0.05*t.color)),
 178                          (float)(0.75+(0.05*t.color)),
 179                          (float)0.3);
 180             //if (t.v1().visible && t.v2().visible && t.v3().visible) continue;
 181
 182             /*
 183             if (t.e1().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
 184             else if (t.e2().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
 185             else if (t.e3().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
 186             else  gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3);
 187             */
 188             //gl.glBegin(GL.GL_LINES);
 189
 190             if (triangles) {
 191                 t.glTriangle(gl, m);
 192             } else {
 193                 gl.glDisable(GL.GL_LIGHTING);
 194                 gl.glBegin(GL.GL_LINES);
 195                 gl.glColor3f(1, 1, 1);
 196                 m.times(t.e1().p1.goodp).glVertex(gl);
 197                 m.times(t.e1().p2.goodp).glVertex(gl);
 198                 m.times(t.e2().p1.goodp).glVertex(gl);
 199                 m.times(t.e2().p2.goodp).glVertex(gl);
 200                 m.times(t.e3().p1.goodp).glVertex(gl);
 201                 m.times(t.e3().p2.goodp).glVertex(gl);
 202                 gl.glEnd();
 203                 gl.glEnable(GL.GL_LIGHTING);
 204             }
 205
 206             Point centroid = t.centroid();
 207             gl.glBegin(GL.GL_LINES);
 208             gl.glColor3f(1, 1, 1);
 209
 210             if (triangles && errorNormals)
 211                 for(Mesh.Vertex p : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
 212                     if (p.ok) {
 213                         //gl.glDisable(GL.GL_LIGHTING);
 214                         gl.glBegin(GL.GL_LINES);
 215                         gl.glColor3f(1, 1, 1);
 216                         p.p.glVertex(gl);
 217                         p.p.plus(p.norm().times((float)p.error()*10)).glVertex(gl);
 218                         //if (p.nearest_in_other_mesh != null) p.nearest_in_other_mesh.p.glVertex(gl);
 219                         //tile.nearest(p).centroid().glVertex(gl);
 220                         gl.glEnd();
 221                         //gl.glEnable(GL.GL_LIGHTING);
 222                     }
 223                 }
 224             gl.glEnd();
 225
 226         }
 227         }
 228     }
 229
 230     public synchronized void dump() {
 231         try {
 232         PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream("dump.stl")));
 233         pw.println("solid dump");
 234         for(Mesh.T t : tile) {
 235             Vec normal = t.norm();
 236             pw.println("facet normal " + normal.x + " " + normal.y + " " + normal.z);
 237             pw.println("  outer loop");
 238             for(Mesh.Vertex v : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
 239                 pw.println("    vertex " + v.p.x + " " + v.p.y + " " + v.p.z);
 240             }
 241             pw.println("  endloop");
 242             pw.println("endfacet");
 243         }
 244         pw.println("endsolid dump");
 245         pw.flush();
 246         pw.close();
 247         } catch (Exception e) { throw new RuntimeException(e); }
 248     }
 249
 250     public void keyPressed(KeyEvent e)  {
 251         super.keyPressed(e);
 252         switch(e.getKeyCode()) {
 253             case KeyEvent.VK_SPACE: breaks++; force = true; break;
 254             case KeyEvent.VK_UP: temp = temp * 2; break;
 255             case KeyEvent.VK_ENTER: temp = 10; break;
 256             case KeyEvent.VK_LEFT: whichNeighbor--; break;
 257             case KeyEvent.VK_RIGHT: whichNeighbor++; break;
 258             case KeyEvent.VK_D: dump(); break;
 259             case KeyEvent.VK_E: errorNormals = !errorNormals; break;
 260             case KeyEvent.VK_A: hillclimb = false; anneal = !anneal; break;
 261             case KeyEvent.VK_H: anneal = true; hillclimb = !hillclimb; break;
 262             case KeyEvent.VK_N: neighbors = !neighbors; break;
 263             case KeyEvent.VK_T: tileon = !tileon; break;
 264             case KeyEvent.VK_G: goalon = !goalon; break;
 265             case KeyEvent.VK_M: tilemeshon = !tilemeshon; break;
 266         }
 267     }
 268
 269 }