add marchingCubes() demo to Main.java
[anneal.git] / src / edu / berkeley / qfat / Main.java
index 86eb92a..bec0cc2 100644 (file)
@@ -6,19 +6,65 @@ import javax.swing.*;
 import javax.media.opengl.*;
 import javax.media.opengl.glu.*;
 import java.util.*;
+import edu.berkeley.qfat.bind.*;
 import edu.berkeley.qfat.geom.*;
+import edu.berkeley.qfat.stl.*;
+import edu.berkeley.qfat.voxel.*;
 import edu.berkeley.qfat.geom.Point;
 import edu.berkeley.qfat.geom.Polygon;
 
+/*
+
+
+Todo
+- review catmull-clark; move vertex points?
+- re-anneal fish
+
+- show constraints (?)
+- show in red if user tries to move a point to an illegal location
+
+- eliminate use of bindinggroupschanged()
+
+- post qfat on my software page
+
+
+With Sequin
+- constraints admit intersections (lattice)
+- constraints may be transformed linearly
+
+
+
+
+Log console
+  - blend-shaded overlay?  slick.
+
+face/vertex count
+rendering FPS
+ability to not draw edges between faces
+
+
+three circumcircles showing crystal ball -- these don't get scaled
+axes?
+
+drawing modes:
+  - bounding box
+  - vertices
+  - edges
+  - visible-edges
+  - flat with or without edges
+  - shaded with or without edges
+  * contrasting-faces
+
+
+quadric decimation?
+
+show normals
+show bounding box
+show axes (big+fat)
+ */
+
 // TO DO:
 //
-// - Implement "real" constraints (plane, line, point)
-//
-// - Constrained surface subdivision
-//     - Edge.flip() gets us the triforce subdivision
-//     - Edge.delete() gets us the catmull-clark subdivision
-//     - Catmull-Clark: just don't move points if we can't.  Need to average the influence of the points on a binding group.
-//
 // - Ability to snap three views to orthgonal
 // - SLIDE UI
 //     - left button -> crystal ball
@@ -30,28 +76,11 @@ import edu.berkeley.qfat.geom.Polygon;
 // Editing:
 //  - fracture edge, face
 //  - change aspect ratio
+//  - translate, rotate goal mesh
 //  - ability to select a point, rotate the model, then move the point
 //  - when moving a vertex in one window, show that window's axes in all other windows
 //
 
-
-// TO DO:
-// - real anneal
-// - solve self-intersection problem
-// - get a better test model?
-// - symmetry constraints withing the tile
-// - rotation matrices
-// - overbinding results in forced equational constraints on the leader
-// - shatter in invertd-triforce pattern brian mentioned
-// - aspect ratio?  non-uniform deformation?
-// - rotational alignment
-
-// - movie-style user interface like
-//      http://www.coleran.com/markcoleranreell.html ?
-
-// - consider recasting the Shewchuk predicates in Java?
-//    http://www.cs.cmu.edu/afs/cs/project/quake/public/code/predicates.c
-
 /*
   blender keys
   - middle mouse = option+click
@@ -64,20 +93,39 @@ import edu.berkeley.qfat.geom.Polygon;
   wheel: zoom
   home: home view: take current angle, zoom to whole scnee
   5 = ortho vs non-ortho
-
 */
 
 /*
+Meshlab Notes:
+Log console
+  - blend-shaded overlay?  slick.
 
+face/vertex count
+rendering FPS
+ability to not draw edges between faces
 
- */
 
+three circumcircles showing crystal ball -- these don't get scaled
+axes?
 
-// FIXME: re-orient goal (how?)
+drawing modes:
+  - bounding box
+  - vertices
+  - edges
+  - visible-edges
+  - flat with or without edges
+  - shaded with or without edges
+  * contrasting-faces
 
-public class Main extends InteractiveMeshViewer {
 
+quadric decimation?
+
+show normals
+show bounding box
+show axes (big+fat)
+ */
 
+public class Main extends InteractiveMeshViewer {
 
     public static int verts = 1;
 
@@ -97,7 +145,7 @@ public class Main extends InteractiveMeshViewer {
                 if (v.mag() < 0.0001) continue;
                 v = v.times(-1);
                 v = v.times(0.5f);
-                Point p = Point.ORIGIN.plus(v);
+                Point p = Point.ZERO.plus(v);
                 v = v.times(-1);
                 
                 //System.out.println(v);
@@ -106,7 +154,7 @@ public class Main extends InteractiveMeshViewer {
                 polygons.add(new Polygon(hs));
         }
         for(Polygon p : polygons) {
-            System.out.println(p.plane.norm + " " + p.plane.dvalue);
+            System.out.println(p.plane.norm() + " " + p.plane.d);
             for(HalfSpace hs : halfSpaces) {
                 if (p.plane==hs) continue;
                 p = p.intersect(hs);
@@ -173,48 +221,51 @@ public class Main extends InteractiveMeshViewer {
                         Point t1v1 = m.times(t1.v1().p);
                         Point t1v2 = m.times(t1.v2().p);
                         Point t1v3 = m.times(t1.v3().p);
+
                         if (t1v1.distance(t2.v1().p) < MATCHING_EPSILON &&
                             t1v2.distance(t2.v3().p) < MATCHING_EPSILON &&
                             t1v3.distance(t2.v2().p) < MATCHING_EPSILON) {
-                            t2.e3().bindEdge(t1.e1(), m);
-                            t2.e2().bindEdge(t1.e2(), m);
-                            t2.e1().bindEdge(t1.e3(), m);
+                            t2.e3().bindEdge(t1.e1().pair, m);
+                            t2.e2().bindEdge(t1.e2().pair, m);
+                            t2.e1().bindEdge(t1.e3().pair, m);
                         }
                         if (t1v2.distance(t2.v1().p) < MATCHING_EPSILON &&
                             t1v3.distance(t2.v3().p) < MATCHING_EPSILON &&
                             t1v1.distance(t2.v2().p) < MATCHING_EPSILON) {
-                            t2.e3().bindEdge(t1.e2(), m);
-                            t2.e2().bindEdge(t1.e3(), m);
-                            t2.e1().bindEdge(t1.e1(), m);
+                            t2.e3().bindEdge(t1.e2().pair, m);
+                            t2.e2().bindEdge(t1.e3().pair, m);
+                            t2.e1().bindEdge(t1.e1().pair, m);
                         }
                         if (t1v3.distance(t2.v1().p) < MATCHING_EPSILON &&
                             t1v1.distance(t2.v3().p) < MATCHING_EPSILON &&
                             t1v2.distance(t2.v2().p) < MATCHING_EPSILON) {
-                            t2.e3().bindEdge(t1.e3(), m);
-                            t2.e2().bindEdge(t1.e1(), m);
-                            t2.e1().bindEdge(t1.e2(), m);
+                            t2.e3().bindEdge(t1.e3().pair, m);
+                            t2.e2().bindEdge(t1.e1().pair, m);
+                            t2.e1().bindEdge(t1.e2().pair, m);
                         }
+
                         if (t1v1.distance(t2.v1().p) < MATCHING_EPSILON &&
                             t1v2.distance(t2.v2().p) < MATCHING_EPSILON &&
                             t1v3.distance(t2.v3().p) < MATCHING_EPSILON) {
-                            t2.e1().bindEdge(t1.e1().pair, m);
-                            t2.e2().bindEdge(t1.e2().pair, m);
-                            t2.e3().bindEdge(t1.e3().pair, m);
+                            t2.e1().bindEdge(t1.e1(), m);
+                            t2.e2().bindEdge(t1.e2(), m);
+                            t2.e3().bindEdge(t1.e3(), m);
                         }
                         if (t1v2.distance(t2.v1().p) < MATCHING_EPSILON &&
                             t1v3.distance(t2.v2().p) < MATCHING_EPSILON &&
                             t1v1.distance(t2.v3().p) < MATCHING_EPSILON) {
-                            t2.e2().bindEdge(t1.e1().pair, m);
-                            t2.e3().bindEdge(t1.e2().pair, m);
-                            t2.e1().bindEdge(t1.e3().pair, m);
+                            t2.e2().bindEdge(t1.e1(), m);
+                            t2.e3().bindEdge(t1.e2(), m);
+                            t2.e1().bindEdge(t1.e3(), m);
                         }
                         if (t1v3.distance(t2.v1().p) < MATCHING_EPSILON &&
                             t1v1.distance(t2.v2().p) < MATCHING_EPSILON &&
                             t1v2.distance(t2.v3().p) < MATCHING_EPSILON) {
-                            t2.e3().bindEdge(t1.e1().pair, m);
-                            t2.e1().bindEdge(t1.e2().pair, m);
-                            t2.e2().bindEdge(t1.e3().pair, m);
+                            t2.e3().bindEdge(t1.e1(), m);
+                            t2.e1().bindEdge(t1.e2(), m);
+                            t2.e2().bindEdge(t1.e3(), m);
                         }
+
                     }
                 }
             }
@@ -227,162 +278,6 @@ public class Main extends InteractiveMeshViewer {
         fixupGoal();
     }
 
-    public void breakit() {
-        int oldverts = verts;
-        if (verts > 2000 && !force) return;
-        force = false;
-        System.out.println("doubling vertices.");
-        PriorityQueue<Mesh.E> es = new PriorityQueue<Mesh.E>();
-        for(Mesh.T t : tile) {
-            es.add(t.e1());
-            es.add(t.e2());
-            es.add(t.e3());
-            Thread.yield();
-            repaint();
-        }
-        for(int i=0; i<Math.min(oldverts,50); i++) {
-            Mesh.E e = es.poll();
-            verts++;
-            e.shatter();
-            Thread.yield();
-            repaint();
-        }
-        System.out.println("now have " + verts + " vertices; max is 2000");
-        tile.rebindPoints();
-    }
-
-    public boolean rand(double temp, Mesh.Vertex p) {
-
-        p.reComputeErrorAround();
-        double tile_error = tile.error();
-        double goal_error = goal.error();
-
-        float max = p.averageEdgeLength()/5;
-        Vec v = new Vec(random.nextFloat(), random.nextFloat(), random.nextFloat());
-        v = v.norm().times((random.nextFloat() - 0.5f) * max);
-        Matrix m = Matrix.translate(v);
-        boolean good = p.move(v, false);
-        if (!good) { return false; }
-
-        double new_tile_error = tile.error();
-        double new_goal_error = goal.error();
-        double tile_delta = (new_tile_error - tile_error) / tile_error;
-        double goal_delta = (new_goal_error - goal_error) / goal_error;
-        double delta = tile_delta + goal_delta;
-        double swapProbability = Math.exp((-1 * delta) / temp);
-
-        //boolean doSwap = good && (tile_delta <= 0 && goal_delta <= 0);
-        //boolean doSwap = good && (tile_delta + goal_delta <= 0);
-        //if (temp < 0.000001) doSwap = good && (tile_delta <= 0 && goal_delta <= 0);
-        boolean doSwap = good && (Math.random() < swapProbability);
-
-        // always move uphill if possible -- potential idea
-        if (tile_delta <= 0 && goal_delta <= 0 && good) doSwap = true;
-        if (hillclimb)
-            doSwap = tile_delta <= 0 && goal_delta <= 0 && good;
-
-        if (doSwap) {
-            tile_error = new_tile_error;
-            goal_error = new_goal_error;
-            hits++;
-            p.goodp = p.p;
-        } else {
-            p.move(v.times(-1), true);
-            misses++;
-        }
-        p.reComputeErrorAround();
-        return true;
-    }
-
-    float hits = 0;
-    float misses = 0;
-    public void anneal() throws Exception {
-        double hightemp = 1;
-        temp = hightemp;
-        double last = 10;
-        boolean seek_upward = false;
-        double acceptance = 1;
-        while(true) {
-            synchronized(this) {
-                if (!anneal) { repaint(); Thread.sleep(10); continue; }
-
-            double ratio = (hits+misses==0) ? 1 : (hits / (hits+misses));
-            hits = 0;
-            misses = 0;
-            double gamma = 1;
-            acceptance = (ratio+acceptance)/2;
-            accepts = (int)(Math.ceil(ratio*100));
-            temps = (int)(Math.ceil(temp*1000));
-            vertss = tile.size();
-            if (breaks > 0) {
-                while (breaks>0) {
-                    breaks--;
-                    breakit();
-                }
-                seek_upward = true;
-                continue;
-            } else if (acceptance > 0.96) gamma = 0.1f;
-            else if (acceptance > 0.9)    gamma = 0.2f;
-            else if (acceptance > 0.8)    gamma = 0.3f;
-            else if (acceptance > 0.6)    gamma = 0.4f;
-            else if (acceptance > 0.3)    gamma = 0.8f;
-            else if (acceptance > 0.15)   gamma = 0.94f;
-            else if (acceptance > 0.10)   gamma = 0.98f;
-
-            else if (acceptance < 0.01)   breaks++;
-
-            if (seek_upward) {
-                if (acceptance > 0.25) seek_upward = false;
-                else gamma = 2-gamma;
-            }
-
-            if (anneal)
-                temp = temp * gamma;
-
-
-            HashSet<Mesh.Vertex> hs = new HashSet<Mesh.Vertex>();
-            for(Mesh.Vertex p : tile.vertices()) hs.add(p);
-            Mesh.Vertex[] pts = (Mesh.Vertex[])hs.toArray(new Mesh.Vertex[0]);
-
-            int count = 0;
-            long then = System.currentTimeMillis();
-            for(int i=0; i<300; i++) {
-                if (anneal) {
-                    Mesh.Vertex v = pts[Math.abs(random.nextInt()) % pts.length];
-                    if (breaks>0) break;
-                    if (!rand(temp,v)) { i--; continue; }
-                    v.recomputeFundamentalQuadricIfStale();
-                    v.recomputeFundamentalQuadricIfNeighborChanged();
-                    count++;
-                }
-                Thread.yield();
-                repaint();
-            }
-
-            System.out.println("temp="+temp + " ratio="+(Math.ceil(acceptance*100)) + " " +
-                               "points_per_second=" +
-                               (count*1000)/((double)(System.currentTimeMillis()-then)));
-            for(Mesh.Vertex p : goal.vertices()) {
-                p.quadricStale = true;
-                p.recomputeFundamentalQuadricIfNeighborChanged();
-            }
-            }
-        }
-    }
-
-
-    public static void main(String[] s) throws Exception {
-        JFrame f = new JFrame();
-        f.setLayout(new BorderLayout());
-        Main main = new Main(f);
-        f.add(main, BorderLayout.CENTER);
-        f.setJMenuBar(main.new MyMenuBar());
-        f.pack();
-        f.show();
-        f.setSize(900, 900);
-        f.doLayout();
-        main.anneal();
-    }
 
     public class MyMenuItem extends JMenuItem implements ActionListener {
         public MyMenuItem(String s) {
@@ -397,6 +292,25 @@ public class Main extends InteractiveMeshViewer {
         public void hit() {}
     }
 
+    public void marchingCubes() {
+        Mesh mesh = new Mesh(false);
+        mesh.coalesce = true;
+        MarchingCubes.march(new SampledField() {
+                                public float getSample(Point p) {
+                                    double x = p.x;
+                                    double y = p.y;
+                                    double z = p.z;
+                                    x-=0.7;
+                                    y-=0.7;
+                                    z-=0.7;
+                                    return (float)Math.sqrt(x*x+y*y+z*z);
+                                }
+                            },
+            0.8, 20, 0.1, mesh);
+        setTile(mesh);
+        //fixupTile();
+    }
+
     public void hexBrick(boolean offset, boolean rotated) {
         setTile(new Mesh(false));
                 float width  = (float)0.8;
@@ -521,9 +435,9 @@ public class Main extends InteractiveMeshViewer {
                         es.add(t.e3());
                     }
                     for(Mesh.E e : es) {
-                        if (e.p1.p.x == e.p2.p.x && e.p1.p.y == e.p2.p.y) continue;
-                        if (e.p1.p.z == e.p2.p.z && e.p1.p.y == e.p2.p.y) continue;
-                        if (e.p1.p.x == e.p2.p.x && e.p1.p.z == e.p2.p.z) continue;
+                        if (e.v1.p.x == e.v2.p.x && e.v1.p.y == e.v2.p.y) continue;
+                        if (e.v1.p.z == e.v2.p.z && e.v1.p.y == e.v2.p.y) continue;
+                        if (e.v1.p.x == e.v2.p.x && e.v1.p.z == e.v2.p.z) continue;
                         e.shatter();
                     }
                     transforms = new Matrix[] {
@@ -733,6 +647,7 @@ public class Main extends InteractiveMeshViewer {
                 generateTile(transforms, tile);
                 fixupTile();
             } });
+
             tileMenu.add(new MyMenuItem("Slim Dense Packing (Cubic)") { public void hit() {
                 setTile(new Mesh(false));
                 float unit = 0.4f;
@@ -744,6 +659,9 @@ public class Main extends InteractiveMeshViewer {
                 float height = 2*r*(float)Math.sqrt(2f/3f);
 
                 transforms = new Matrix[] {
+
+                    //Matrix.reflect(new Vec( 0,  height, -z).norm()),
+
                     Matrix.translate(new Vec(-unit, 0, 0)),
                     Matrix.translate(new Vec( unit, 0, 0)),
                     Matrix.translate(new Vec(-cos,  0,  sin)),
@@ -751,6 +669,13 @@ public class Main extends InteractiveMeshViewer {
                     Matrix.translate(new Vec(-cos,  0, -sin)),
                     Matrix.translate(new Vec( cos,  0, -sin)),
 
+                    Matrix.translate(new Vec( 0,  height, -z)),
+                    Matrix.translate(new Vec(-r,  height,  x)),
+                    Matrix.translate(new Vec( r,  height,  x)),
+                    Matrix.translate(new Vec( 0, -height,  z)),
+                    Matrix.translate(new Vec(-r, -height, -x)),
+                    Matrix.translate(new Vec( r, -height, -x)),
+
                     /*
                     Matrix.translate(new Vec( 0,  height, -z)).times(Matrix.rotate(new Vec(0,1,0), (float)Math.PI)),
                     Matrix.translate(new Vec(-r,  height,  x)).times(Matrix.rotate(new Vec(0,1,0), (float)Math.PI)),
@@ -760,14 +685,6 @@ public class Main extends InteractiveMeshViewer {
                     Matrix.translate(new Vec( r, -height,  x)).times(Matrix.rotate(new Vec(0,1,0), (float)Math.PI)),
                     */
 
-                    Matrix.translate(new Vec( 0,  height, -z)),
-                    Matrix.translate(new Vec(-r,  height,  x)),
-                    Matrix.translate(new Vec( r,  height,  x)),
-                    Matrix.translate(new Vec( 0, -height,  z)),
-                    Matrix.translate(new Vec(-r, -height, -x)),
-                    Matrix.translate(new Vec( r, -height, -x)),
-                    //Matrix.rotate(new Vec(0,0,1), (float)Math.PI),
-
                     /*
                     Matrix.translate(new Vec( 0,  height, -z)).times(Matrix.scale(-1,1,-1)),
                     Matrix.translate(new Vec(-r,  height,  x)).times(Matrix.scale(-1,1,-1)),
@@ -779,12 +696,39 @@ public class Main extends InteractiveMeshViewer {
                     Matrix.ONE
                 };
                 generateTile(transforms, tile);
+
+
+                transforms = new Matrix[] {
+                    Matrix.reflect(new Vec( 0,  height, -z).norm()),
+                    //Matrix.reflect(new Vec( 0, -height,  z)),
+                    Matrix.ONE,
+                    Matrix.translate(new Vec(-unit, 0, 0)),
+                    Matrix.translate(new Vec( unit, 0, 0)),
+                    /*
+                    Matrix.translate(new Vec(-cos,  0,  sin)),
+                    Matrix.translate(new Vec( cos,  0,  sin)),
+                    Matrix.translate(new Vec(-cos,  0, -sin)),
+                    Matrix.translate(new Vec( cos,  0, -sin)),
+
+                    Matrix.translate(new Vec( 0,  height, -z)),
+                    Matrix.translate(new Vec(-r,  height,  x)),
+                    Matrix.translate(new Vec( r,  height,  x)),
+                    Matrix.translate(new Vec( 0, -height,  z)),
+                    Matrix.translate(new Vec(-r, -height, -x)),
+                    Matrix.translate(new Vec( r, -height, -x)),
+                    */
+                };
+
+
                 //for(int i=0; i<transforms.length; i++) transforms[i] = Matrix.translate(m.times(vecs[i]));
+
                 Matrix m = Matrix.scale(1.9f, 1f ,1);
                 //Matrix m = Matrix.scale(1f, 2.1f, 1f);
                 tile.transform(m);
                 for(int i=0; i<transforms.length; i++)
-                    transforms[i] = transforms[i].preMultiplyTranslationalComponentBy(m);
+                    transforms[i] = preMultiplyTranslationalComponentBy(transforms[i], m);
+
+
                 fixupTile();
 
             } });
@@ -994,13 +938,199 @@ public class Main extends InteractiveMeshViewer {
                     };
                     fixupTile();
                 }}});
+            tileMenu.add(new MyMenuItem("Marching Cubes") { public void hit() {
+                marchingCubes();
+            }});
 
             // Finally, add all the menus to the menu bar.
             add(tileMenu);
-            add(goalMenu);
-            add(hideMenu);
+            //add(goalMenu);
+            //add(hideMenu);
         }
 
     }
 
+    private static Matrix preMultiplyTranslationalComponentBy(Matrix mthis, Matrix mm) {
+        Vec v = mm.times(mthis.getTranslationalComponent());
+        return new Matrix(mthis.a, mthis.b, mthis.c, v.x,
+                          mthis.e, mthis.f, mthis.g, v.y,
+                          mthis.i, mthis.j, mthis.k, v.z,
+                          mthis.m, mthis.n, mthis.o, 1);
+    }
+
+//////////////////////////////////////////////////////////////////////////////
+    public void breakit() {
+        int oldverts = verts;
+        if (verts > 2000 && !force) return;
+        force = false;
+        System.out.println("doubling vertices.");
+        PriorityQueue<Mesh.E> es = new PriorityQueue<Mesh.E>();
+        for(Mesh.T t : tile) {
+            es.add(t.e1());
+            es.add(t.e2());
+            es.add(t.e3());
+            Thread.yield();
+            repaint();
+        }
+        for(int i=0; i<Math.min(oldverts,50); i++) {
+            Mesh.E e = es.poll();
+            verts++;
+            e.shatter();
+            Thread.yield();
+            repaint();
+        }
+        System.out.println("now have " + verts + " vertices; max is 2000");
+        tile.rebindPoints();
+    }
+
+    public boolean rand(double temp, Mesh.Vertex p) {
+
+        p.reComputeErrorAround();
+        double tile_error = tile.error();
+        double goal_error = goal.error();
+
+        float max = p.averageEdgeLength()/5;
+        Vec v = new Vec(random.nextFloat(), random.nextFloat(), random.nextFloat());
+        v = v.norm().times((random.nextFloat() - 0.5f) * max);
+        Matrix m = Matrix.translate(v);
+        boolean good = p.move(v, false);
+        if (!good) { return false; }
+
+        double new_tile_error = tile.error();
+        double new_goal_error = goal.error();
+        double tile_delta = (new_tile_error - tile_error) / tile_error;
+        double goal_delta = (new_goal_error - goal_error) / goal_error;
+        double delta = tile_delta + goal_delta;
+        double swapProbability = Math.exp((-1 * delta) / temp);
+
+        //boolean doSwap = good && (tile_delta <= 0 && goal_delta <= 0);
+        //boolean doSwap = good && (tile_delta + goal_delta <= 0);
+        //if (temp < 0.000001) doSwap = good && (tile_delta <= 0 && goal_delta <= 0);
+        boolean doSwap = good && (Math.random() < swapProbability);
+
+        // always move uphill if possible -- potential idea
+        if (tile_delta <= 0 && goal_delta <= 0 && good) doSwap = true;
+        if (hillclimb)
+            doSwap = tile_delta <= 0 && goal_delta <= 0 && good;
+
+        if (doSwap) {
+            tile_error = new_tile_error;
+            goal_error = new_goal_error;
+            hits++;
+            p.goodp = p.p;
+        } else {
+            p.move(v.times(-1), true);
+            misses++;
+        }
+        p.reComputeErrorAround();
+        return true;
+    }
+
+    float hits = 0;
+    float misses = 0;
+    public void anneal() throws Exception {
+        double hightemp = 1;
+        temp = hightemp;
+        double last = 10;
+        boolean seek_upward = false;
+        double acceptance = 1;
+        while(true) {
+            synchronized(this) {
+                if (!anneal) { repaint(); Thread.sleep(10); continue; }
+
+            double ratio = (hits+misses==0) ? 1 : (hits / (hits+misses));
+            hits = 0;
+            misses = 0;
+            double gamma = 1;
+            acceptance = (ratio+acceptance)/2;
+            accepts = (int)(Math.ceil(ratio*100));
+            temps = (int)(Math.ceil(temp*1000));
+            vertss = tile.size();
+            if (breaks > 0) {
+                while (breaks>0) {
+                    breaks--;
+                    breakit();
+                }
+                seek_upward = true;
+                continue;
+            } else if (acceptance > 0.96) gamma = 0.1f;
+            else if (acceptance > 0.9)    gamma = 0.2f;
+            else if (acceptance > 0.8)    gamma = 0.3f;
+            else if (acceptance > 0.6)    gamma = 0.4f;
+            else if (acceptance > 0.3)    gamma = 0.8f;
+            else if (acceptance > 0.15)   gamma = 0.94f;
+            else if (acceptance > 0.10)   gamma = 0.98f;
+
+            else if (acceptance < 0.01)   breaks++;
+
+            if (seek_upward) {
+                if (acceptance > 0.25) seek_upward = false;
+                else gamma = 2-gamma;
+            }
+
+            if (anneal)
+                temp = temp * gamma;
+
+
+            HashSet<Mesh.Vertex> hs = new HashSet<Mesh.Vertex>();
+            for(Mesh.Vertex p : tile.vertices()) hs.add(p);
+            Mesh.Vertex[] pts = (Mesh.Vertex[])hs.toArray(new Mesh.Vertex[0]);
+
+            int count = 0;
+            long then = System.currentTimeMillis();
+            for(int i=0; i<300; i++) {
+                if (anneal) {
+                    Mesh.Vertex v = pts[Math.abs(random.nextInt()) % pts.length];
+                    if (breaks>0) break;
+                    if (!rand(temp,v)) { i--; continue; }
+                    v.recomputeFundamentalQuadricIfStale();
+                    v.recomputeFundamentalQuadricIfNeighborChanged();
+                    count++;
+                }
+                Thread.yield();
+                repaint();
+            }
+
+            System.out.println("temp="+temp + " ratio="+(Math.ceil(acceptance*100)) + " " +
+                               "points_per_second=" +
+                               (count*1000)/((double)(System.currentTimeMillis()-then)));
+            for(Mesh.Vertex p : goal.vertices()) {
+                p.quadricStale = true;
+                p.recomputeFundamentalQuadricIfNeighborChanged();
+            }
+            }
+        }
+    }
+
+
+    public static void main(String[] s) throws Exception {
+        JFrame f = new JFrame();
+        f.setLayout(new BorderLayout());
+        Main main = new Main(f);
+        f.add(main, BorderLayout.CENTER);
+
+        f.addWindowListener(new WindowListener() {
+                public void windowActivated(WindowEvent e) { }
+                public void windowClosed(WindowEvent e) { System.exit(0); }
+                public void windowClosing(WindowEvent e) { System.exit(0); }
+                public void windowDeactivated(WindowEvent e)  { }
+                public void windowDeiconified(WindowEvent e)  { }
+                public void windowIconified(WindowEvent e)  { }
+                public void windowOpened(WindowEvent e) { }
+            });
+
+        f.pack();
+        f.show();
+        f.setSize(900, 900);
+        f.doLayout();
+
+        JFrame f2 = new JFrame();
+        f2.setJMenuBar(main.new MyMenuBar());
+        f2.setSize(100,100);
+        f2.show();
+
+        main.anneal();
+    }
+
+
 }
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