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     public void init(GLAutoDrawable gld) {
  42         GL gl = gld.getGL();
  43         gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
  44         gl.glViewport(0, 0, 500, 300);
  45         gl.glEnable(GL.GL_DEPTH_TEST);
  46         gl.glClearDepth(1.0);
  47         gl.glDepthFunc(GL.GL_LEQUAL);
  48         gl.glMatrixMode(GL.GL_PROJECTION);
  49         gl.glLoadIdentity();
  50         gl.glMatrixMode(GL.GL_MODELVIEW);
  51
  52         float mat_specular[] = { 0.5f, 0.5f, 0.5f, 0.5f };
  53         float mat_shininess[] = { 50.0f };
  54         gl.glShadeModel(GL.GL_SMOOTH);
  55         //gl.glMaterialfv(GL.GL_FRONT, GL.GL_DIFFUSE, mat_specular, 0);
  56         //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SPECULAR, mat_specular, 0);
  57         //gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT, new float[] { 0.3f, 0.3f, 0.3f, 0.3f }, 0);
  58         //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SHININESS, mat_shininess, 0);
  59         gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, new float[] { 1.0f,    4.0f,  -10.0f, 0.0f }, 0);
  60         gl.glLightfv(GL.GL_LIGHT1, GL.GL_POSITION, new float[] { -10.0f, 10.0f,   10.0f, 0.0f }, 0);
  61         gl.glLightfv(GL.GL_LIGHT2, GL.GL_POSITION, new float[] { 10.0f, -10.0f,   10.0f, 0.0f }, 0);
  62         gl.glLightfv(GL.GL_LIGHT3, GL.GL_POSITION, new float[] { 10.0f,  10.0f,  -10.0f, 0.0f }, 0);
  63         gl.glLightfv(GL.GL_LIGHT4, GL.GL_POSITION, new float[] { -10.0f, 10.0f,  -10.0f, 0.0f }, 0);
  64         gl.glLightfv(GL.GL_LIGHT5, GL.GL_POSITION, new float[] { 10.0f, -10.0f,  -10.0f, 0.0f }, 0);
  65         gl.glEnable(GL.GL_LIGHTING);
  66         gl.glEnable(GL.GL_LIGHT0);
  67
  68         //gl.glEnable(GL.GL_LIGHT1);
  69         //gl.glEnable(GL.GL_LIGHT2);
  70         //gl.glEnable(GL.GL_LIGHT3);
  71         //gl.glEnable(GL.GL_LIGHT4);
  72         //gl.glEnable(GL.GL_LIGHT5);
  73
  74         gl.glColorMaterial(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE);
  75         gl.glEnable(GL.GL_COLOR_MATERIAL);
  76
  77         display(gld);
  78     }
  79         */
  80     public void _display(GLAutoDrawable drawable, GL gl) {
  81
  82         if (transforms==null) return;
  83         glcanvas.setSize(f.getWidth(), f.getHeight() - 100);
  84         Graphics2D g = (Graphics2D)f.getGraphics();
  85         g.setColor(Color.black);
  86         g.fillRect(0, f.getHeight()-100, f.getWidth(), f.getHeight());
  87         g.setColor(Color.red);
  88         int top = f.getHeight()-70;
  89         g.drawString("temperature: "+temps, 10, 30+top);
  90         g.drawString("acceptance: "+accepts, 10, 50+top);
  91         g.drawString("vertices: "+vertss, 10, 70+top);
  92         g.fillRect(140, 25+top, temps, 10);
  93         g.fillRect(140, 45+top, accepts, 10);
  94         g.fillRect(140, 65+top, vertss, 10);
  95
  96         GLU glu = new GLU();
  97         gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
  98         gl.glPointSize(5.0f);
  99         gl.glLoadIdentity();
 100         glu.gluPerspective(50, ((float)drawable.getWidth())/drawable.getHeight(), 0.5, 10);
 101         glu.gluLookAt(0, 0, -((tz/10)-1), 0, 0, 0, 0, 1, 0);
 102         gl.glRotatef(anglex/3, 0, 1, 0);
 103         gl.glRotatef(-(angley/3), 1, 0, 0);
 104
 105
 106         gl.glDisable(GL.GL_LIGHTING);
 107         gl.glColor4f(1, 0, 0, 1);
 108         gl.glBegin(GL.GL_LINES);
 109         gl.glVertex3f(0,0,0);
 110         gl.glVertex3f(.3f,0,0);
 111         gl.glEnd();
 112         gl.glColor4f(0, 1, 0, 1);
 113         gl.glBegin(GL.GL_LINES);
 114         gl.glVertex3f(0,0,0);
 115         gl.glVertex3f(0,.3f,0);
 116         gl.glEnd();
 117         gl.glColor4f(0, 0, 1, 1);
 118         gl.glBegin(GL.GL_LINES);
 119         gl.glVertex3f(0,0,0);
 120         gl.glVertex3f(0,0,.3f);
 121         gl.glEnd();
 122         gl.glEnable(GL.GL_LIGHTING);
 123
 124
 125         gl.glBegin(GL.GL_TRIANGLES);
 126         if (tileon)
 127             draw(gl, true, safeTriangles);
 128         if (tilemeshon)
 129             draw(gl, false, safeTriangles);
 130         gl.glEnd();
 131
 132         //draw(gl, false, tile);
 133
 134         gl.glBegin(GL.GL_TRIANGLES);
 135         gl.glColor4f((float)0.5, (float)0.5, (float)0.5, (float)0.8);
 136         if (goalon)
 137             draw(gl, false, goal);
 138         gl.glEnd();
 139
 140
 141         int i = 0;
 142         //gl.glDisable(GL.GL_DEPTH_TEST);
 143         gl.glColor4f(1,1,1,1);
 144         for(Matrix m : transforms) {
 145             /*
 146               gl.glColor4f(0, 1, 1, 1);
 147               gl.glBegin(GL.GL_LINES);
 148               new Point(0,0,0).glVertex(gl);
 149               new Point(0,0,0).plus(m.getTranslationalComponent()).glVertex(gl);
 150               gl.glEnd();
 151               gl.glEnable(GL.GL_LIGHTING);
 152             */
 153             //if (v1.z==0 && v1.y==0) continue;
 154             i++;
 155             if (neighborsWireOne && i!=whichNeighbor) continue;
 156             //if (i>4) continue;
 157             /*
 158             Point p = new Point(0, 0, 0).times(m);
 159             Vec v = new Vec(p.x, p.y, p.z);
 160             v = v.times((float)1.04);
 161             gl.glTranslatef(v.x, v.y, v.z);
 162             */
 163             if (neighbors) draw(gl, true, safeTriangles, m);
 164             else if (neighborsWire || neighborsWireOne) draw(gl, false, safeTriangles, m);
 165             /*
 166             gl.glTranslatef(-v.x, -v.y, -v.z);
 167             */
 168         }
 169         //gl.glEnable(GL.GL_DEPTH_TEST);
 170
 171         gl.glDisable(GL.GL_LIGHTING);
 172         gl.glShadeModel(GL.GL_FLAT);
 173         if (closest != null) {
 174             gl.glColor3f(1,1,1);
 175             gl.glBegin(gl.GL_POINTS);
 176             closest.getPoint().glVertex(gl);
 177             gl.glEnd();
 178             /*
 179             Mesh.Vertex v2 = closest.hack(gl, getMouse());
 180             gl.glBegin(GL.GL_LINES);
 181             closest.getPoint().glVertex(gl);
 182             if (v2 != null) v2.getPoint().glVertex(gl);
 183             gl.glEnd();
 184             */
 185         }
 186
 187         gl.glFlush();
 188         gl.glDrawBuffer(GL.GL_BACK);
 189         gl.glReadBuffer( GL.GL_BACK );
 190         gl.glPixelStorei( GL.GL_PACK_ALIGNMENT, 1);
 191         gl.glFlush();
 192         gl.glDisable(GL.GL_LIGHTING);
 193         gl.glShadeModel(GL.GL_FLAT);
 194
 195         IntBuffer buf = ByteBuffer.allocateDirect(9*4*4).order(ByteOrder.nativeOrder()).asIntBuffer();
 196         gl.glColor3f(0,0,0);
 197         gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
 198         double dist = Double.MAX_VALUE;
 199         if (clickPoint==null) closest = null;
 200         synchronized(this) {
 201             for(Mesh.T t : safeTriangles)
 202                 t.glTriangle(gl, null);
 203             for(Mesh.Vertex v : tile.vertices()) {
 204                 Point p = v.getPoint();
 205                 gl.glColor3f(1,1,1);
 206                 gl.glBegin(gl.GL_POINTS);
 207                 p.glVertex(gl);
 208                 gl.glEnd();
 209                 gl.glFlush();
 210
 211                 Point projected = projection.times(p);
 212                 int x = (int)projected.x;
 213                 int y = (int)projected.y;
 214                 gl.glReadPixels(x-1, y-1, 3, 3, gl.GL_RGB, gl.GL_UNSIGNED_BYTE, buf);
 215
 216                 boolean vis = false;
 217                 for(int j=0; j<9*4; j++) vis |= buf.get(j)!=0;
 218                 v.visible = vis;
 219                 if (vis) {
 220                     gl.glColor3f(0,0,0);
 221                     gl.glBegin(gl.GL_POINTS);
 222                     p.glVertex(gl);
 223                     gl.glEnd();
 224                     y = glcanvas.getHeight()-y;
 225                     if (clickPoint==null) {
 226                         if (closest==null || (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey) < dist) {
 227                             dist = (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey);
 228                             closest = v;
 229                         }
 230                     }
 231                 }
 232             }
 233         }
 234         gl.glShadeModel(GL.GL_SMOOTH);
 235         gl.glEnable(GL.GL_LIGHTING);
 236         gl.glDrawBuffer(GL.GL_FRONT);
 237     }
 238
 239
 240     private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris) { draw(gl, triangles, tris, Matrix.ONE); }
 241     private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris, Matrix m) {
 242         float red = 0.0f;
 243         float green = 0.0f;
 244         float blue = 0.0f;
 245         synchronized(this) {
 246         for(Mesh.T t : tris) {
 247             if (red < 0.15) red = 1.0f;
 248             if (green < 0.15) green = 1.0f;
 249             if (blue < 0.15) blue = 1.0f;
 250             red -= .09f;
 251             green -= .12f;
 252             blue -= .15f;
 253
 254             /*
 255             if (triangles) switch(t.color) {
 256                 case 0: gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3); break;
 257                 case 1: gl.glColor4f((float)0.25, (float)0.75, (float)0.25, (float)0.3); break;
 258                 case 2: gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3); break;
 259                 case 3: gl.glColor4f((float)0.50, (float)0.50, (float)0.50, (float)0.3); break;
 260                 case 4: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
 261                 case 5: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
 262                 case 6: gl.glColor4f((float)0.75, (float)0.25, (float)0.75, (float)0.3); break;
 263             }
 264             */
 265
 266             gl.glColor4f((float)(0.25+(0.05*t.color)),
 267                          (float)(0.25+(0.05*t.color)),
 268                          (float)(0.75+(0.05*t.color)),
 269                          (float)0.3);
 270             //if (t.v1().visible && t.v2().visible && t.v3().visible) continue;
 271
 272             /*
 273             if (t.e1().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
 274             else if (t.e2().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
 275             else if (t.e3().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
 276             else  gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3);
 277             */
 278             //gl.glBegin(GL.GL_LINES);
 279
 280             if (triangles) {
 281                 t.glTriangle(gl, m);
 282             } else {
 283                 gl.glDisable(GL.GL_LIGHTING);
 284                 gl.glBegin(GL.GL_LINES);
 285                 gl.glColor3f(1, 1, 1);
 286                 m.times(t.e1().p1.goodp).glVertex(gl);
 287                 m.times(t.e1().p2.goodp).glVertex(gl);
 288                 m.times(t.e2().p1.goodp).glVertex(gl);
 289                 m.times(t.e2().p2.goodp).glVertex(gl);
 290                 m.times(t.e3().p1.goodp).glVertex(gl);
 291                 m.times(t.e3().p2.goodp).glVertex(gl);
 292                 gl.glEnd();
 293                 gl.glEnable(GL.GL_LIGHTING);
 294             }
 295
 296             Point centroid = t.centroid();
 297             gl.glBegin(GL.GL_LINES);
 298             gl.glColor3f(1, 1, 1);
 299
 300             if (triangles && errorNormals)
 301                 for(Mesh.Vertex p : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
 302                     if (p.ok) {
 303                         //gl.glDisable(GL.GL_LIGHTING);
 304                         gl.glBegin(GL.GL_LINES);
 305                         gl.glColor3f(1, 1, 1);
 306                         p.p.glVertex(gl);
 307                         p.p.plus(p.norm().times((float)p.error()*10)).glVertex(gl);
 308                         //if (p.nearest_in_other_mesh != null) p.nearest_in_other_mesh.p.glVertex(gl);
 309                         //tile.nearest(p).centroid().glVertex(gl);
 310                         gl.glEnd();
 311                         //gl.glEnable(GL.GL_LIGHTING);
 312                     }
 313                 }
 314             gl.glEnd();
 315
 316         }
 317         }
 318     }
 319
 320     public synchronized void dump() {
 321         try {
 322         PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream("dump.stl")));
 323         pw.println("solid dump");
 324         for(Mesh.T t : tile) {
 325             Vec normal = t.norm();
 326             pw.println("facet normal " + normal.x + " " + normal.y + " " + normal.z);
 327             pw.println("  outer loop");
 328             for(Mesh.Vertex v : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
 329                 pw.println("    vertex " + v.p.x + " " + v.p.y + " " + v.p.z);
 330             }
 331             pw.println("  endloop");
 332             pw.println("endfacet");
 333         }
 334         pw.println("endsolid dump");
 335         pw.flush();
 336         pw.close();
 337         } catch (Exception e) { throw new RuntimeException(e); }
 338     }
 339
 340     public void keyPressed(KeyEvent e)  {
 341         super.keyPressed(e);
 342         switch(e.getKeyCode()) {
 343             case KeyEvent.VK_SPACE: breaks++; force = true; break;
 344             case KeyEvent.VK_UP: temp = temp * 2; break;
 345             case KeyEvent.VK_ENTER: temp = 10; break;
 346             case KeyEvent.VK_LEFT: whichNeighbor--; break;
 347             case KeyEvent.VK_RIGHT: whichNeighbor++; break;
 348             case KeyEvent.VK_D: dump(); break;
 349             case KeyEvent.VK_E: errorNormals = !errorNormals; break;
 350             case KeyEvent.VK_A: hillclimb = false; anneal = !anneal; break;
 351             case KeyEvent.VK_H: anneal = true; hillclimb = !hillclimb; break;
 352             case KeyEvent.VK_N: neighbors = !neighbors; break;
 353             case KeyEvent.VK_T: tileon = !tileon; break;
 354             case KeyEvent.VK_G: goalon = !goalon; break;
 355             case KeyEvent.VK_M: tilemeshon = !tilemeshon; break;
 356         }
 357     }
 358
 359 }