1 package edu.berkeley.qfat;
5 import java.awt.event.*;
7 import javax.media.opengl.*;
8 import javax.media.opengl.glu.*;
9 import com.sun.opengl.util.*;
11 import edu.berkeley.qfat.geom.*;
12 import edu.berkeley.qfat.geom.Point;
14 public class MeshViewer extends Viewer {
16 public int whichNeighbor = 1;
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;
29 public boolean force = false;
30 public Matrix[] transforms;
31 public Mesh.Vertex[] points;
32 public int breaks = 0;
37 protected HashSet<Mesh.T> safeTriangles = new HashSet<Mesh.T>();
39 public MeshViewer(JFrame f) { super(f); }
42 * Take care of initialization here.
44 public void init(GLAutoDrawable gld) {
46 gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
47 gl.glViewport(0, 0, 500, 300);
48 gl.glEnable(GL.GL_DEPTH_TEST);
50 gl.glDepthFunc(GL.GL_LEQUAL);
51 gl.glMatrixMode(GL.GL_PROJECTION);
53 gl.glMatrixMode(GL.GL_MODELVIEW);
55 float mat_specular[] = { 0.5f, 0.5f, 0.5f, 0.5f };
56 float mat_shininess[] = { 50.0f };
57 gl.glShadeModel(GL.GL_SMOOTH);
58 //gl.glMaterialfv(GL.GL_FRONT, GL.GL_DIFFUSE, mat_specular, 0);
59 //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SPECULAR, mat_specular, 0);
60 //gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT, new float[] { 0.3f, 0.3f, 0.3f, 0.3f }, 0);
61 //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SHININESS, mat_shininess, 0);
62 gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, new float[] { 1.0f, 4.0f, -10.0f, 0.0f }, 0);
63 gl.glLightfv(GL.GL_LIGHT1, GL.GL_POSITION, new float[] { -10.0f, 10.0f, 10.0f, 0.0f }, 0);
64 gl.glLightfv(GL.GL_LIGHT2, GL.GL_POSITION, new float[] { 10.0f, -10.0f, 10.0f, 0.0f }, 0);
65 gl.glLightfv(GL.GL_LIGHT3, GL.GL_POSITION, new float[] { 10.0f, 10.0f, -10.0f, 0.0f }, 0);
66 gl.glLightfv(GL.GL_LIGHT4, GL.GL_POSITION, new float[] { -10.0f, 10.0f, -10.0f, 0.0f }, 0);
67 gl.glLightfv(GL.GL_LIGHT5, GL.GL_POSITION, new float[] { 10.0f, -10.0f, -10.0f, 0.0f }, 0);
68 gl.glEnable(GL.GL_LIGHTING);
69 gl.glEnable(GL.GL_LIGHT0);
71 gl.glEnable(GL.GL_LIGHT1);
72 gl.glEnable(GL.GL_LIGHT2);
73 gl.glEnable(GL.GL_LIGHT3);
74 gl.glEnable(GL.GL_LIGHT4);
75 gl.glEnable(GL.GL_LIGHT5);
77 gl.glColorMaterial(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE);
78 gl.glEnable(GL.GL_COLOR_MATERIAL);
83 public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
84 public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
85 public void _display(GLAutoDrawable drawable, GL gl) {
87 if (transforms==null) return;
88 glcanvas.setSize(f.getWidth(), f.getHeight() - 100);
89 Graphics2D g = (Graphics2D)f.getGraphics();
90 g.setColor(Color.black);
91 g.fillRect(0, f.getHeight()-100, f.getWidth(), f.getHeight());
92 g.setColor(Color.red);
93 int top = f.getHeight()-70;
94 g.drawString("temperature: "+temps, 10, 30+top);
95 g.drawString("acceptance: "+accepts, 10, 50+top);
96 g.drawString("vertices: "+vertss, 10, 70+top);
97 g.fillRect(140, 25+top, temps, 10);
98 g.fillRect(140, 45+top, accepts, 10);
99 g.fillRect(140, 65+top, vertss, 10);
102 gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
103 gl.glPointSize(5.0f);
105 glu.gluPerspective(50, ((float)drawable.getWidth())/drawable.getHeight(), 0.5, 10);
106 glu.gluLookAt(0, 0, -((tz/10)-1), 0, 0, 0, 0, 1, 0);
107 gl.glRotatef(anglex/3, 0, 1, 0);
108 gl.glRotatef(-(angley/3), 1, 0, 0);
111 gl.glDisable(GL.GL_LIGHTING);
112 gl.glColor4f(1, 0, 0, 1);
113 gl.glBegin(GL.GL_LINES);
114 gl.glVertex3f(0,0,0);
115 gl.glVertex3f(.3f,0,0);
117 gl.glColor4f(0, 1, 0, 1);
118 gl.glBegin(GL.GL_LINES);
119 gl.glVertex3f(0,0,0);
120 gl.glVertex3f(0,.3f,0);
122 gl.glColor4f(0, 0, 1, 1);
123 gl.glBegin(GL.GL_LINES);
124 gl.glVertex3f(0,0,0);
125 gl.glVertex3f(0,0,.3f);
127 gl.glEnable(GL.GL_LIGHTING);
130 gl.glBegin(GL.GL_TRIANGLES);
132 draw(gl, true, safeTriangles);
134 draw(gl, false, safeTriangles);
137 //draw(gl, false, tile);
139 gl.glBegin(GL.GL_TRIANGLES);
140 gl.glColor4f((float)0.5, (float)0.5, (float)0.5, (float)0.8);
142 draw(gl, false, goal);
147 //gl.glDisable(GL.GL_DEPTH_TEST);
148 gl.glColor4f(1,1,1,1);
149 for(Matrix m : transforms) {
151 gl.glColor4f(0, 1, 1, 1);
152 gl.glBegin(GL.GL_LINES);
153 new Point(0,0,0).glVertex(gl);
154 new Point(0,0,0).plus(m.getTranslationalComponent()).glVertex(gl);
156 gl.glEnable(GL.GL_LIGHTING);
158 //if (v1.z==0 && v1.y==0) continue;
160 if (neighborsWireOne && i!=whichNeighbor) continue;
163 Point p = new Point(0, 0, 0).times(m);
164 Vec v = new Vec(p.x, p.y, p.z);
165 v = v.times((float)1.04);
166 gl.glTranslatef(v.x, v.y, v.z);
168 if (neighbors) draw(gl, true, safeTriangles, m);
169 else if (neighborsWire || neighborsWireOne) draw(gl, false, safeTriangles, m);
171 gl.glTranslatef(-v.x, -v.y, -v.z);
174 //gl.glEnable(GL.GL_DEPTH_TEST);
176 gl.glDisable(GL.GL_LIGHTING);
177 gl.glShadeModel(GL.GL_FLAT);
178 if (closest != null) {
180 gl.glBegin(gl.GL_POINTS);
181 closest.getPoint().glVertex(gl);
184 Mesh.Vertex v2 = closest.hack(gl, getMouse());
185 gl.glBegin(GL.GL_LINES);
186 closest.getPoint().glVertex(gl);
187 if (v2 != null) v2.getPoint().glVertex(gl);
193 gl.glDrawBuffer(GL.GL_BACK);
194 gl.glReadBuffer( GL.GL_BACK );
195 gl.glPixelStorei( GL.GL_PACK_ALIGNMENT, 1);
197 gl.glDisable(GL.GL_LIGHTING);
198 gl.glShadeModel(GL.GL_FLAT);
200 IntBuffer buf = ByteBuffer.allocateDirect(9*4*4).order(ByteOrder.nativeOrder()).asIntBuffer();
202 gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
203 double dist = Double.MAX_VALUE;
204 if (clickPoint==null) closest = null;
206 for(Mesh.T t : safeTriangles)
207 t.glTriangle(gl, null);
208 for(Mesh.Vertex v : tile.vertices()) {
209 Point p = v.getPoint();
211 gl.glBegin(gl.GL_POINTS);
216 Point projected = projection.times(p);
217 int x = (int)projected.x;
218 int y = (int)projected.y;
219 gl.glReadPixels(x-1, y-1, 3, 3, gl.GL_RGB, gl.GL_UNSIGNED_BYTE, buf);
222 for(int j=0; j<9*4; j++) vis |= buf.get(j)!=0;
226 gl.glBegin(gl.GL_POINTS);
229 y = glcanvas.getHeight()-y;
230 if (clickPoint==null) {
231 if (closest==null || (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey) < dist) {
232 dist = (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey);
239 gl.glShadeModel(GL.GL_SMOOTH);
240 gl.glEnable(GL.GL_LIGHTING);
241 gl.glDrawBuffer(GL.GL_FRONT);
245 private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris) { draw(gl, triangles, tris, Matrix.ONE); }
246 private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris, Matrix m) {
251 for(Mesh.T t : tris) {
252 if (red < 0.15) red = 1.0f;
253 if (green < 0.15) green = 1.0f;
254 if (blue < 0.15) blue = 1.0f;
260 if (triangles) switch(t.color) {
261 case 0: gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3); break;
262 case 1: gl.glColor4f((float)0.25, (float)0.75, (float)0.25, (float)0.3); break;
263 case 2: gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3); break;
264 case 3: gl.glColor4f((float)0.50, (float)0.50, (float)0.50, (float)0.3); break;
265 case 4: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
266 case 5: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
267 case 6: gl.glColor4f((float)0.75, (float)0.25, (float)0.75, (float)0.3); break;
271 gl.glColor4f((float)(0.25+(0.05*t.color)),
272 (float)(0.25+(0.05*t.color)),
273 (float)(0.75+(0.05*t.color)),
275 //if (t.v1().visible && t.v2().visible && t.v3().visible) continue;
278 if (t.e1().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
279 else if (t.e2().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
280 else if (t.e3().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
281 else gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3);
283 //gl.glBegin(GL.GL_LINES);
288 gl.glDisable(GL.GL_LIGHTING);
289 gl.glBegin(GL.GL_LINES);
290 gl.glColor3f(1, 1, 1);
291 m.times(t.e1().p1.goodp).glVertex(gl);
292 m.times(t.e1().p2.goodp).glVertex(gl);
293 m.times(t.e2().p1.goodp).glVertex(gl);
294 m.times(t.e2().p2.goodp).glVertex(gl);
295 m.times(t.e3().p1.goodp).glVertex(gl);
296 m.times(t.e3().p2.goodp).glVertex(gl);
298 gl.glEnable(GL.GL_LIGHTING);
301 Point centroid = t.centroid();
302 gl.glBegin(GL.GL_LINES);
303 gl.glColor3f(1, 1, 1);
305 if (triangles && errorNormals)
306 for(Mesh.Vertex p : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
308 //gl.glDisable(GL.GL_LIGHTING);
309 gl.glBegin(GL.GL_LINES);
310 gl.glColor3f(1, 1, 1);
312 p.p.plus(p.norm().times((float)p.error()*10)).glVertex(gl);
313 //if (p.nearest_in_other_mesh != null) p.nearest_in_other_mesh.p.glVertex(gl);
314 //tile.nearest(p).centroid().glVertex(gl);
316 //gl.glEnable(GL.GL_LIGHTING);
325 public synchronized void dump() {
327 PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream("dump.stl")));
328 pw.println("solid dump");
329 for(Mesh.T t : tile) {
330 Vec normal = t.norm();
331 pw.println("facet normal " + normal.x + " " + normal.y + " " + normal.z);
332 pw.println(" outer loop");
333 for(Mesh.Vertex v : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
334 pw.println(" vertex " + v.p.x + " " + v.p.y + " " + v.p.z);
336 pw.println(" endloop");
337 pw.println("endfacet");
339 pw.println("endsolid dump");
342 } catch (Exception e) { throw new RuntimeException(e); }
345 public void keyPressed(KeyEvent e) {
347 switch(e.getKeyCode()) {
348 case KeyEvent.VK_SPACE: breaks++; force = true; break;
349 case KeyEvent.VK_UP: temp = temp * 2; break;
350 case KeyEvent.VK_ENTER: temp = 10; break;
351 case KeyEvent.VK_LEFT: whichNeighbor--; break;
352 case KeyEvent.VK_RIGHT: whichNeighbor++; break;
353 case KeyEvent.VK_D: dump(); break;
354 case KeyEvent.VK_E: errorNormals = !errorNormals; break;
355 case KeyEvent.VK_A: hillclimb = false; anneal = !anneal; break;
356 case KeyEvent.VK_H: anneal = true; hillclimb = !hillclimb; break;
357 case KeyEvent.VK_N: neighbors = !neighbors; break;
358 case KeyEvent.VK_T: tileon = !tileon; break;
359 case KeyEvent.VK_G: goalon = !goalon; break;
360 case KeyEvent.VK_M: tilemeshon = !tilemeshon; break;