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 temps;
  17     public int accepts;
  18     public    int vertss;
  19     protected HashSet<Mesh.T> safeTriangles = new HashSet<Mesh.T>();
  20
  21     public MeshViewer(JFrame f) { super(f); }
  22
  23     /**
  24      * Take care of initialization here.
  25      */
  26     public void init(GLAutoDrawable gld) {
  27         GL gl = gld.getGL();
  28         gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
  29         gl.glViewport(0, 0, 500, 300);
  30         gl.glEnable(GL.GL_DEPTH_TEST);
  31         gl.glClearDepth(1.0);
  32         gl.glDepthFunc(GL.GL_LEQUAL);
  33         gl.glMatrixMode(GL.GL_PROJECTION);
  34         gl.glLoadIdentity();
  35         gl.glMatrixMode(GL.GL_MODELVIEW);
  36
  37         float mat_specular[] = { 0.5f, 0.5f, 0.5f, 0.5f };
  38         float mat_shininess[] = { 50.0f };
  39         gl.glShadeModel(GL.GL_SMOOTH);
  40         //gl.glMaterialfv(GL.GL_FRONT, GL.GL_DIFFUSE, mat_specular, 0);
  41         //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SPECULAR, mat_specular, 0);
  42         //gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT, new float[] { 0.3f, 0.3f, 0.3f, 0.3f }, 0);
  43         //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SHININESS, mat_shininess, 0);
  44         gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, new float[] { 1.0f,    4.0f,  -10.0f, 0.0f }, 0);
  45         gl.glLightfv(GL.GL_LIGHT1, GL.GL_POSITION, new float[] { -10.0f, 10.0f,   10.0f, 0.0f }, 0);
  46         gl.glLightfv(GL.GL_LIGHT2, GL.GL_POSITION, new float[] { 10.0f, -10.0f,   10.0f, 0.0f }, 0);
  47         gl.glLightfv(GL.GL_LIGHT3, GL.GL_POSITION, new float[] { 10.0f,  10.0f,  -10.0f, 0.0f }, 0);
  48         gl.glLightfv(GL.GL_LIGHT4, GL.GL_POSITION, new float[] { -10.0f, 10.0f,  -10.0f, 0.0f }, 0);
  49         gl.glLightfv(GL.GL_LIGHT5, GL.GL_POSITION, new float[] { 10.0f, -10.0f,  -10.0f, 0.0f }, 0);
  50         gl.glEnable(GL.GL_LIGHTING);
  51         gl.glEnable(GL.GL_LIGHT0);
  52         /*
  53         gl.glEnable(GL.GL_LIGHT1);
  54         gl.glEnable(GL.GL_LIGHT2);
  55         gl.glEnable(GL.GL_LIGHT3);
  56         gl.glEnable(GL.GL_LIGHT4);
  57         gl.glEnable(GL.GL_LIGHT5);
  58         */
  59         gl.glColorMaterial(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE);
  60         gl.glEnable(GL.GL_COLOR_MATERIAL);
  61
  62         display(gld);
  63     }
  64
  65     public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
  66     public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
  67     public void _display(GLAutoDrawable drawable, GL gl) {
  68
  69         if (transforms==null) return;
  70
  71
  72         glcanvas.setSize(f.getWidth(), f.getHeight() - 100);
  73         Graphics2D g = (Graphics2D)f.getGraphics();
  74         g.setColor(Color.black);
  75         g.fillRect(0, f.getHeight()-100, f.getWidth(), f.getHeight());
  76         g.setColor(Color.red);
  77         int top = f.getHeight()-70;
  78         g.drawString("temperature: "+temps, 10, 30+top);
  79         g.drawString("acceptance: "+accepts, 10, 50+top);
  80         g.drawString("vertices: "+vertss, 10, 70+top);
  81         g.fillRect(140, 25+top, temps, 10);
  82         g.fillRect(140, 45+top, accepts, 10);
  83         g.fillRect(140, 65+top, vertss, 10);
  84
  85         GLU glu = new GLU();
  86         gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
  87         gl.glPointSize(5.0f);
  88         gl.glLoadIdentity();
  89         glu.gluPerspective(50, ((float)drawable.getWidth())/drawable.getHeight(), 0.5, 10);
  90         glu.gluLookAt(0, 0, -((tz/10)-1), 0, 0, 0, 0, 1, 0);
  91         gl.glRotatef(anglex/3, 0, 1, 0);
  92         gl.glRotatef(-(angley/3), 1, 0, 0);
  93
  94
  95         gl.glDisable(GL.GL_LIGHTING);
  96         gl.glColor4f(1, 0, 0, 1);
  97         gl.glBegin(GL.GL_LINES);
  98         gl.glVertex3f(0,0,0);
  99         gl.glVertex3f(.3f,0,0);
 100         gl.glEnd();
 101         gl.glColor4f(0, 1, 0, 1);
 102         gl.glBegin(GL.GL_LINES);
 103         gl.glVertex3f(0,0,0);
 104         gl.glVertex3f(0,.3f,0);
 105         gl.glEnd();
 106         gl.glColor4f(0, 0, 1, 1);
 107         gl.glBegin(GL.GL_LINES);
 108         gl.glVertex3f(0,0,0);
 109         gl.glVertex3f(0,0,.3f);
 110         gl.glEnd();
 111         gl.glEnable(GL.GL_LIGHTING);
 112
 113
 114         gl.glBegin(GL.GL_TRIANGLES);
 115         if (tileon)
 116             draw(gl, true, safeTriangles);
 117         if (tilemeshon)
 118             draw(gl, false, safeTriangles);
 119         gl.glEnd();
 120
 121         //draw(gl, false, tile);
 122
 123         gl.glBegin(GL.GL_TRIANGLES);
 124         gl.glColor4f((float)0.5, (float)0.5, (float)0.5, (float)0.8);
 125         if (goalon)
 126             draw(gl, false, goal);
 127         gl.glEnd();
 128
 129
 130         int i = 0;
 131         //gl.glDisable(GL.GL_DEPTH_TEST);
 132         gl.glColor4f(1,1,1,1);
 133         for(Matrix m : transforms) {
 134             /*
 135               gl.glColor4f(0, 1, 1, 1);
 136               gl.glBegin(GL.GL_LINES);
 137               new Point(0,0,0).glVertex(gl);
 138               new Point(0,0,0).plus(m.getTranslationalComponent()).glVertex(gl);
 139               gl.glEnd();
 140               gl.glEnable(GL.GL_LIGHTING);
 141             */
 142             //if (v1.z==0 && v1.y==0) continue;
 143             i++;
 144             if (neighborsWireOne && i!=whichNeighbor) continue;
 145             //if (i>4) continue;
 146             /*
 147             Point p = new Point(0, 0, 0).times(m);
 148             Vec v = new Vec(p.x, p.y, p.z);
 149             v = v.times((float)1.04);
 150             gl.glTranslatef(v.x, v.y, v.z);
 151             */
 152             if (neighbors) draw(gl, true, safeTriangles, m);
 153             else if (neighborsWire || neighborsWireOne) draw(gl, false, safeTriangles, m);
 154             /*
 155             gl.glTranslatef(-v.x, -v.y, -v.z);
 156             */
 157         }
 158         //gl.glEnable(GL.GL_DEPTH_TEST);
 159
 160         gl.glDisable(GL.GL_LIGHTING);
 161         gl.glShadeModel(GL.GL_FLAT);
 162         if (closest != null) {
 163             gl.glColor3f(1,1,1);
 164             gl.glBegin(gl.GL_POINTS);
 165             closest.getPoint().glVertex(gl);
 166             gl.glEnd();
 167             /*
 168             Mesh.Vertex v2 = closest.hack(gl, getMouse());
 169             gl.glBegin(GL.GL_LINES);
 170             closest.getPoint().glVertex(gl);
 171             if (v2 != null) v2.getPoint().glVertex(gl);
 172             gl.glEnd();
 173             */
 174         }
 175
 176         gl.glFlush();
 177         gl.glDrawBuffer(GL.GL_BACK);
 178         gl.glReadBuffer( GL.GL_BACK );
 179         gl.glPixelStorei( GL.GL_PACK_ALIGNMENT, 1);
 180         gl.glFlush();
 181         gl.glDisable(GL.GL_LIGHTING);
 182         gl.glShadeModel(GL.GL_FLAT);
 183
 184         IntBuffer buf = ByteBuffer.allocateDirect(9*4*4).order(ByteOrder.nativeOrder()).asIntBuffer();
 185         gl.glColor3f(0,0,0);
 186         gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
 187         double dist = Double.MAX_VALUE;
 188         if (clickPoint==null) closest = null;
 189         synchronized(this) {
 190             for(Mesh.T t : safeTriangles)
 191                 t.glTriangle(gl, null);
 192             for(Mesh.Vertex v : tile.vertices()) {
 193                 Point p = v.getPoint();
 194                 gl.glColor3f(1,1,1);
 195                 gl.glBegin(gl.GL_POINTS);
 196                 p.glVertex(gl);
 197                 gl.glEnd();
 198                 gl.glFlush();
 199
 200                 Point projected = projection.times(p);
 201                 int x = (int)projected.x;
 202                 int y = (int)projected.y;
 203                 gl.glReadPixels(x-1, y-1, 3, 3, gl.GL_RGB, gl.GL_UNSIGNED_BYTE, buf);
 204
 205                 boolean vis = false;
 206                 for(int j=0; j<9*4; j++) vis |= buf.get(j)!=0;
 207                 v.visible = vis;
 208                 if (vis) {
 209                     gl.glColor3f(0,0,0);
 210                     gl.glBegin(gl.GL_POINTS);
 211                     p.glVertex(gl);
 212                     gl.glEnd();
 213                     y = glcanvas.getHeight()-y;
 214                     if (clickPoint==null) {
 215                         if (closest==null || (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey) < dist) {
 216                             dist = (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey);
 217                             closest = v;
 218                         }
 219                     }
 220                 }
 221             }
 222         }
 223         gl.glShadeModel(GL.GL_SMOOTH);
 224         gl.glEnable(GL.GL_LIGHTING);
 225         gl.glDrawBuffer(GL.GL_FRONT);
 226     }
 227
 228
 229     private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris) { draw(gl, triangles, tris, Matrix.ONE); }
 230     private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris, Matrix m) {
 231         float red = 0.0f;
 232         float green = 0.0f;
 233         float blue = 0.0f;
 234         synchronized(this) {
 235         for(Mesh.T t : tris) {
 236             if (red < 0.15) red = 1.0f;
 237             if (green < 0.15) green = 1.0f;
 238             if (blue < 0.15) blue = 1.0f;
 239             red -= .09f;
 240             green -= .12f;
 241             blue -= .15f;
 242
 243             /*
 244             if (triangles) switch(t.color) {
 245                 case 0: gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3); break;
 246                 case 1: gl.glColor4f((float)0.25, (float)0.75, (float)0.25, (float)0.3); break;
 247                 case 2: gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3); break;
 248                 case 3: gl.glColor4f((float)0.50, (float)0.50, (float)0.50, (float)0.3); break;
 249                 case 4: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
 250                 case 5: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
 251                 case 6: gl.glColor4f((float)0.75, (float)0.25, (float)0.75, (float)0.3); break;
 252             }
 253             */
 254
 255             gl.glColor4f((float)(0.25+(0.05*t.color)),
 256                          (float)(0.25+(0.05*t.color)),
 257                          (float)(0.75+(0.05*t.color)),
 258                          (float)0.3);
 259             //if (t.v1().visible && t.v2().visible && t.v3().visible) continue;
 260
 261             /*
 262             if (t.e1().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
 263             else if (t.e2().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
 264             else if (t.e3().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
 265             else  gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3);
 266             */
 267             //gl.glBegin(GL.GL_LINES);
 268
 269             if (triangles) {
 270                 t.glTriangle(gl, m);
 271             } else {
 272                 gl.glDisable(GL.GL_LIGHTING);
 273                 gl.glBegin(GL.GL_LINES);
 274                 gl.glColor3f(1, 1, 1);
 275                 m.times(t.e1().p1.goodp).glVertex(gl);
 276                 m.times(t.e1().p2.goodp).glVertex(gl);
 277                 m.times(t.e2().p1.goodp).glVertex(gl);
 278                 m.times(t.e2().p2.goodp).glVertex(gl);
 279                 m.times(t.e3().p1.goodp).glVertex(gl);
 280                 m.times(t.e3().p2.goodp).glVertex(gl);
 281                 gl.glEnd();
 282                 gl.glEnable(GL.GL_LIGHTING);
 283             }
 284
 285             Point centroid = t.centroid();
 286             gl.glBegin(GL.GL_LINES);
 287             gl.glColor3f(1, 1, 1);
 288
 289             if (triangles && errorNormals)
 290                 for(Mesh.Vertex p : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
 291                     if (p.ok) {
 292                         //gl.glDisable(GL.GL_LIGHTING);
 293                         gl.glBegin(GL.GL_LINES);
 294                         gl.glColor3f(1, 1, 1);
 295                         p.p.glVertex(gl);
 296                         p.p.plus(p.norm().times((float)p.error()*10)).glVertex(gl);
 297                         //if (p.nearest_in_other_mesh != null) p.nearest_in_other_mesh.p.glVertex(gl);
 298                         //tile.nearest(p).centroid().glVertex(gl);
 299                         gl.glEnd();
 300                         //gl.glEnable(GL.GL_LIGHTING);
 301                     }
 302                 }
 303             gl.glEnd();
 304
 305         }
 306         }
 307     }
 308
 309     public synchronized void dump() {
 310         try {
 311         PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream("dump.stl")));
 312         pw.println("solid dump");
 313         for(Mesh.T t : tile) {
 314             Vec normal = t.norm();
 315             pw.println("facet normal " + normal.x + " " + normal.y + " " + normal.z);
 316             pw.println("  outer loop");
 317             for(Mesh.Vertex v : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
 318                 pw.println("    vertex " + v.p.x + " " + v.p.y + " " + v.p.z);
 319             }
 320             pw.println("  endloop");
 321             pw.println("endfacet");
 322         }
 323         pw.println("endsolid dump");
 324         pw.flush();
 325         pw.close();
 326         } catch (Exception e) { throw new RuntimeException(e); }
 327     }
 328
 329     public void keyPressed(KeyEvent e)  {
 330         super.keyPressed(e);
 331         switch(e.getKeyCode()) {
 332             case KeyEvent.VK_SPACE: breaks++; force = true; break;
 333             case KeyEvent.VK_UP: temp = temp * 2; break;
 334             case KeyEvent.VK_ENTER: temp = 10; break;
 335             case KeyEvent.VK_LEFT: whichNeighbor--; break;
 336             case KeyEvent.VK_RIGHT: whichNeighbor++; break;
 337             case KeyEvent.VK_D: dump(); break;
 338             case KeyEvent.VK_E: errorNormals = !errorNormals; break;
 339             case KeyEvent.VK_A: hillclimb = false; anneal = !anneal; break;
 340             case KeyEvent.VK_H: anneal = true; hillclimb = !hillclimb; break;
 341             case KeyEvent.VK_N: neighbors = !neighbors; break;
 342             case KeyEvent.VK_T: tileon = !tileon; break;
 343             case KeyEvent.VK_G: goalon = !goalon; break;
 344             case KeyEvent.VK_M: tilemeshon = !tilemeshon; break;
 345         }
 346     }
 347
 348 }