import javax.swing.*;
import javax.media.opengl.*;
import javax.media.opengl.glu.*;
+import edu.berkeley.qfat.geom.*;
import edu.wlu.cs.levy.CG.KDTree;
+import edu.berkeley.qfat.geom.Point;
public class Geom implements Iterable<Geom.T> {
return (float)(dist/num);
}
- public void transform(M m) {
+ public void transform(Matrix m) {
ArrayList<Vert> set = new ArrayList<Vert>();
set.addAll(ps.values());
for(Vert v : set) v.transform(m);
/** does NOT update bound pairs! */
- public boolean transform(M m) {
+ public boolean transform(Matrix m) {
// FIXME: screws up kdtree
// FIXME: screws up hashmap
unscore();
return good;
}
public boolean move(Vec v) {
- M m = new M(v);
+ Matrix m = new Matrix(v);
Vert p = this;
boolean good = true;
do {
return false;
}
- public void unbind() { bound_to = this; binding = new M(); }
- public void bind(Vert p) { bind(p, new M()); }
- public void bind(Vert p, M binding) {
+ public void unbind() { bound_to = this; binding = new Matrix(); }
+ public void bind(Vert p) { bind(p, new Matrix()); }
+ public void bind(Vert p, Matrix binding) {
if (isBoundTo(p)) return;
Vert temp_bound_to = p.bound_to;
- M temp_binding = p.binding;
+ Matrix temp_binding = p.binding;
p.bound_to = this.bound_to;
p.binding = binding.times(this.binding); // FIXME: may have order wrong here
this.bound_to = temp_bound_to;
float watch_z;
Vert watch;
E e; // some edge *leaving* this point
- M binding = new M();
+ Matrix binding = new Matrix();
float oldscore = 0;
boolean inserted = false;
}
public BindingGroup bg = new BindingGroup(this);
- public void bind(E e) { bind(e, new M()); }
- public void bind(E e, M m) { e.bg.add(this); }
+ public void bind(E e) { bind(e, new Matrix()); }
+ public void bind(E e, Matrix m) { e.bg.add(this); }
public void dobind() {
if (bg==null) return;
public Vert register(Point p) { Vert v = ps.get(p); return v==null ? new Vert(p) : v; }
- //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
- /** point in 3-space; immutable */
- public static final class Point {
- public final float x, y, z;
- public Point(double x, double y, double z) { this((float)x, (float)y, (float)z); }
- public Point(float x, float y, float z) { this.x = x; this.y = y; this.z = z; }
- public float distance(Point p) { return distance(p.x, p.y, p.z); }
- public float distance(float ox, float oy, float oz) { return (float)Math.sqrt((x-ox)*(x-ox)+(y-oy)*(y-oy)+(z-oz)*(z-oz)); }
- public Point times(M m) { return m.times(this); }
- public Vec minus(Point p) { return new Vec(x-p.x, y-p.y, z-p.z); }
- public Point plus(Vec v) { return new Point(x+v.x, y+v.y, z+v.z); }
- public boolean equals(Object o) { return o!=null && (o instanceof Point) && ((Point)o).x==x && ((Point)o).y==y && ((Point)o).z==z; }
- public void glVertex(GL gl) { _glVertex(gl); }
- private void _glVertex(GL gl) { gl.glVertex3f(x, y, z); }
- public String toString() { return "("+x+","+y+","+z+")"; }
- public int hashCode() { return Float.floatToIntBits(x) ^ Float.floatToIntBits(y) ^ Float.floatToIntBits(z); }
- }
-
- /** vector in 3-space; immutable */
- public static final class Vec {
- public final float x, y, z;
- public Vec(double x, double y, double z) { this((float)x, (float)y, (float)z); }
- public Vec(float x, float y, float z) { this.x = x; this.y = y; this.z = z; }
- public Vec(Point p1, Point p2) { this(p2.x-p1.x, p2.y-p1.y, p2.z-p1.z); }
- public Vec cross(Vec v) { return new Vec(y*v.z-z*v.y, z*v.x-x*v.z, x*v.y-y*v.x); }
- public Vec plus(Vec v) { return new Vec(x+v.x, y+v.y, z+v.z); }
- public Vec norm() { return mag()==0 ? this : div(mag()); }
- public Vec times(M m) { return m.apply(this); }
- public float mag() { return (float)Math.sqrt(x*x+y*y+z*z); }
- public float dot(Vec v) { return x*v.x + y*v.y + z*v.z; }
- public Vec times(float mag) { return new Vec(x*mag, y*mag, z*mag); }
- public Vec div(float mag) { return new Vec(x/mag, y/mag, z/mag); }
- public String toString() { return "<"+x+","+y+","+z+">"; }
- }
-
- /** affine matrix; immutable */
- public static class M {
- //
- // [ a b c d ] [ x ]
- // [ e f g h ] [ y ]
- // [ i j k l ] [ z ]
- // [ 0 0 0 1 ] [ 1 ]
- //
- public final float a, b, c, d, e, f, g, h, i, j, k, l;
- public M() { this(1); }
- public M(float scale) {
- a = f = k = scale;
- l = h = d = e = b = i = c = j = g = 0;
- }
- public M(float scalex, float scaley, float scalez) {
- a = scalex;
- f = scaley;
- k = scalez;
- l = h = d = e = b = i = c = j = g = 0;
- }
- public M(Vec translate) {
- d = translate.x; h = translate.y; l = translate.z;
- a = f = k = 1;
- b = c = e = g = i = j = 0;
- }
- public M(float a, float b, float c, float d, float e, float f, float g, float h, float i, float j, float k, float l) {
- this.a = a; this.b = b; this.c = c; this.d = d; this.e = e; this.f = f; this.g = g; this.h = h; this.i = i;
- this.j = j; this.k = k; this.l = l;
- }
- public M times(float x) {
- return new M(a*x, b*x, c*x, d*x, e*x, f*x, g*x, h*x, i*x, j*x, k*x, l*x);
- }
- public M(Vec axis, float angle) {
- double q = Math.cos(angle);
- double s = Math.sin(angle);
- double t = 1.0 - q;
- a = (float)(q + axis.x*axis.x*t);
- f = (float)(q + axis.y*axis.y*t);
- k = (float)(q + axis.z*axis.z*t);
- double tmp1 = axis.x*axis.y*t;
- double tmp2 = axis.z*s;
- e = (float)(tmp1 + tmp2);
- b = (float)(tmp1 - tmp2);
- tmp1 = axis.x*axis.z*t;
- tmp2 = axis.y*s;
- i = (float)(tmp1 - tmp2);
- c = (float)(tmp1 + tmp2);
- tmp1 = axis.y*axis.z*t;
- tmp2 = axis.x*s;
- j = (float)(tmp1 + tmp2);
- g = (float)(tmp1 - tmp2);
- d = h = l = 0;
- }
- public Point times(Point p) {
- return new Point(a*p.x + b*p.y + c*p.z + d,
- e*p.x + f*p.y + g*p.z + h,
- i*p.x + j*p.y + k*p.z + l);
- }
- public Point apply(Point p) { return p; }
- public Vec apply(Vec v) { return v; }
- public M invert() { return this; }
- public M times(M m) { return this; }
- }
-
}
import javax.media.opengl.*;
import javax.media.opengl.glu.*;
import java.util.*;
-import static edu.berkeley.qfat.Geom.*;
+import edu.berkeley.qfat.geom.*;
+import edu.berkeley.qfat.geom.Point;
// FIXME: recenter goal to have centroid coincident with tile
// FIXME: re-orient goal (how?)
/** magnification factor */
private static final float MAG = 1;
- Geom.M[] translations;
+ Matrix[] translations;
Geom.Vert[] points;
public Main(StlFile stlf) {
for(int i=0; i<stlf.coordArray.length; i+=3) {
- Geom.Vert p0 = goal.register(new Geom.Point(stlf.coordArray[i+0].x * MAG, stlf.coordArray[i+0].y * MAG, stlf.coordArray[i+0].z * MAG));
- Geom.Vert p1 = goal.register(new Geom.Point(stlf.coordArray[i+1].x * MAG, stlf.coordArray[i+1].y * MAG, stlf.coordArray[i+1].z * MAG));
- Geom.Vert p2 = goal.register(new Geom.Point(stlf.coordArray[i+2].x * MAG, stlf.coordArray[i+2].y * MAG, stlf.coordArray[i+2].z * MAG));
- Geom.Vec n = new Geom.Vec(stlf.normArray[i/3].x * MAG, stlf.normArray[i/3].y * MAG, stlf.normArray[i/3].z * MAG);
+ Geom.Vert p0 = goal.register(new Point(stlf.coordArray[i+0].x * MAG, stlf.coordArray[i+0].y * MAG, stlf.coordArray[i+0].z * MAG));
+ Geom.Vert p1 = goal.register(new Point(stlf.coordArray[i+1].x * MAG, stlf.coordArray[i+1].y * MAG, stlf.coordArray[i+1].z * MAG));
+ Geom.Vert p2 = goal.register(new Point(stlf.coordArray[i+2].x * MAG, stlf.coordArray[i+2].y * MAG, stlf.coordArray[i+2].z * MAG));
+ Vec n = new Vec(stlf.normArray[i/3].x * MAG, stlf.normArray[i/3].y * MAG, stlf.normArray[i/3].z * MAG);
Geom.T t = goal.newT(p0, p1, p2, n);
}
// rotate to align major axis -- this probably needs to be done by a human.
- goal.transform(new Geom.M(new Geom.Vec(0, 0, 1), (float)(Math.PI/2)));
+ goal.transform(new Matrix(new Vec(0, 0, 1), (float)(Math.PI/2)));
- float goal_width = goal.diagonal().dot(new Geom.Vec(1, 0, 0));
- float goal_height = goal.diagonal().dot(new Geom.Vec(0, 1, 0));
- float goal_depth = goal.diagonal().dot(new Geom.Vec(0, 0, 1));
+ float goal_width = goal.diagonal().dot(new Vec(1, 0, 0));
+ float goal_height = goal.diagonal().dot(new Vec(0, 1, 0));
+ float goal_depth = goal.diagonal().dot(new Vec(0, 0, 1));
float width = (float)0.6;
float height = (float)0.08;
float depth = (float)0.3;
- translations = new Geom.M[] {
-
- new Geom.M(new Geom.Vec(-(width/2), height, 0)),
- new Geom.M(new Geom.Vec( (width/2), height, 0)),
- new Geom.M(new Geom.Vec(-(width/2), -height, 0)),
- new Geom.M(new Geom.Vec( (width/2), -height, 0)),
- new Geom.M(new Geom.Vec(-(width/2), 0, depth)),
- new Geom.M(new Geom.Vec( (width/2), 0, depth)),
- new Geom.M(new Geom.Vec(-(width/2), 0, -depth)),
- new Geom.M(new Geom.Vec( (width/2), 0, -depth)),
-
- new Geom.M(new Geom.Vec( width, 0, 0)),
- new Geom.M(new Geom.Vec(-width, 0, 0)),
+ translations = new Matrix[] {
+
+ new Matrix(new Vec(-(width/2), height, 0)),
+ new Matrix(new Vec( (width/2), height, 0)),
+ new Matrix(new Vec(-(width/2), -height, 0)),
+ new Matrix(new Vec( (width/2), -height, 0)),
+ new Matrix(new Vec(-(width/2), 0, depth)),
+ new Matrix(new Vec( (width/2), 0, depth)),
+ new Matrix(new Vec(-(width/2), 0, -depth)),
+ new Matrix(new Vec( (width/2), 0, -depth)),
+
+ new Matrix(new Vec( width, 0, 0)),
+ new Matrix(new Vec(-width, 0, 0)),
/*
- new Geom.M(new Geom.Vec( 0, 0, depth)),
- new Geom.M(new Geom.Vec( 0, 0, -depth)),
+ new Matrix(new Vec( 0, 0, depth)),
+ new Matrix(new Vec( 0, 0, -depth)),
*/
};
- Geom.Vert ltf = tile.register(new Geom.Point(-(width/2), (height/2), (depth/2)));
- Geom.Vert mtf = tile.register(new Geom.Point( 0.0, (height/2), (depth/2)));
- Geom.Vert rtf = tile.register(new Geom.Point( (width/2), (height/2), (depth/2)));
- Geom.Vert ltn = tile.register(new Geom.Point(-(width/2), (height/2), -(depth/2)));
- Geom.Vert mtn = tile.register(new Geom.Point( 0.0, (height/2), -(depth/2)));
- Geom.Vert rtn = tile.register(new Geom.Point( (width/2), (height/2), -(depth/2)));
- Geom.Vert lbf = tile.register(new Geom.Point(-(width/2), -(height/2), (depth/2)));
- Geom.Vert mbf = tile.register(new Geom.Point( 0.0, -(height/2), (depth/2)));
- Geom.Vert rbf = tile.register(new Geom.Point( (width/2), -(height/2), (depth/2)));
- Geom.Vert lbn = tile.register(new Geom.Point(-(width/2), -(height/2), -(depth/2)));
- Geom.Vert mbn = tile.register(new Geom.Point( 0.0, -(height/2), -(depth/2)));
- Geom.Vert rbn = tile.register(new Geom.Point( (width/2), -(height/2), -(depth/2)));
+ Geom.Vert ltf = tile.register(new Point(-(width/2), (height/2), (depth/2)));
+ Geom.Vert mtf = tile.register(new Point( 0.0, (height/2), (depth/2)));
+ Geom.Vert rtf = tile.register(new Point( (width/2), (height/2), (depth/2)));
+ Geom.Vert ltn = tile.register(new Point(-(width/2), (height/2), -(depth/2)));
+ Geom.Vert mtn = tile.register(new Point( 0.0, (height/2), -(depth/2)));
+ Geom.Vert rtn = tile.register(new Point( (width/2), (height/2), -(depth/2)));
+ Geom.Vert lbf = tile.register(new Point(-(width/2), -(height/2), (depth/2)));
+ Geom.Vert mbf = tile.register(new Point( 0.0, -(height/2), (depth/2)));
+ Geom.Vert rbf = tile.register(new Point( (width/2), -(height/2), (depth/2)));
+ Geom.Vert lbn = tile.register(new Point(-(width/2), -(height/2), -(depth/2)));
+ Geom.Vert mbn = tile.register(new Point( 0.0, -(height/2), -(depth/2)));
+ Geom.Vert rbn = tile.register(new Point( (width/2), -(height/2), -(depth/2)));
points = new Geom.Vert[] {
ltf,
tile.newT(rtf, mtf, rbf);
tile.newT(rbf, mtf, mbf);
- for(Geom.M m : translations) {
+ for(Matrix m : translations) {
for(Geom.T t1 : tile) {
for(Geom.T t2 : tile) {
if (t1==t2) continue;
// rescale to match volume
float factor = (float)Math.pow(tile.volume() / goal.volume(), 1.0/3.0);
- goal.transform(new Geom.M(factor));
+ goal.transform(new Matrix(factor));
// translate to match centroid
- goal.transform(new Geom.M(tile.centroid().minus(goal.centroid())));
+ goal.transform(new Matrix(tile.centroid().minus(goal.centroid())));
//tx.e2.shatter();
//tx.e3.shatter();
tile.bind();
- //mid.move(new Geom.Vec((float)0,0,(float)-0.05));
- //ltn.move(new Geom.Vec((float)0,0,(float)-0.05));
+ //mid.move(new Vec((float)0,0,(float)-0.05));
+ //ltn.move(new Vec((float)0,0,(float)-0.05));
- //mtf.move(new Geom.Vec(0, (float)-0.05, (float)0.05));
+ //mtf.move(new Vec(0, (float)-0.05, (float)0.05));
System.out.println("tile volume: " + tile.volume());
r1 = r1 - (float)Math.floor(r1);
r1 = r1 * (float)0.01;
r1 = r1 - (float)0.005;
- Geom.Vec v = p.watchback().p.minus(p.p).norm().times(r1);
+ Vec v = p.watchback().p.minus(p.p).norm().times(r1);
//v = p.norm().times(v.dot(p.norm()));
boolean aspect = false;//(Math.abs(random.nextInt()) % 100) <= 2;
- Geom.M old_tile_aspect = null;//goal.aspect;
+ Matrix old_tile_aspect = null;//goal.aspect;
boolean good = true;
if (aspect) {
/*
v = v.times(10);
- tile.aspect = new Geom.M(tile.aspect.a / (v.x+1), tile.aspect.f / (v.y+1), tile.aspect.k / (v.z+1));
- tile.invaspect = new Geom.M(1/tile.aspect.a, 1/tile.aspect.f, 1/tile.aspect.k);
+ tile.aspect = new Matrix(tile.aspect.a / (v.x+1), tile.aspect.f / (v.y+1), tile.aspect.k / (v.z+1));
+ tile.invaspect = new Matrix(1/tile.aspect.a, 1/tile.aspect.f, 1/tile.aspect.k);
goal.rescore();
tile.rescore();
*/
} else {
if (aspect) {
//tile.aspect = old_tile_aspect;
- //tile.invaspect = new Geom.M(1/tile.aspect.a, 1/tile.aspect.f, 1/tile.aspect.k);
+ //tile.invaspect = new Matrix(1/tile.aspect.a, 1/tile.aspect.f, 1/tile.aspect.k);
goal.rescore();
tile.rescore();
} else {
int i = 0;
//gl.glDisable(GL.GL_DEPTH_TEST);
gl.glColor4f(1,1,1,1);
- for(Geom.M m : translations) {
+ for(Matrix m : translations) {
//if (v1.z==0 && v1.y==0) continue;
i++;
if (i != 1 /*&& i!=4*/) continue;
- Geom.Point p = new Geom.Point(0, 0, 0).times(m);
- Geom.Vec v = new Geom.Vec(p.x, p.y, p.z);
+ Point p = new Point(0, 0, 0).times(m);
+ Vec v = new Vec(p.x, p.y, p.z);
v = v.times((float)1.04);
gl.glTranslatef(v.x, v.y, v.z);
draw(gl, false, tile);
gl.glEnd();
}
- Geom.Point centroid = t.centroid();
+ Point centroid = t.centroid();
gl.glBegin(GL.GL_LINES);
gl.glColor3f(1, 1, 1);
/*
--- /dev/null
+package edu.berkeley.qfat.geom;
+
+/** affine matrix; immutable */
+public class Matrix {
+ //
+ // [ a b c d ] [ x ]
+ // [ e f g h ] [ y ]
+ // [ i j k l ] [ z ]
+ // [ 0 0 0 1 ] [ 1 ]
+ //
+ public final float a, b, c, d, e, f, g, h, i, j, k, l;
+ public Matrix() { this(1); }
+ public Matrix(float scale) {
+ a = f = k = scale;
+ l = h = d = e = b = i = c = j = g = 0;
+ }
+ public Matrix(float scalex, float scaley, float scalez) {
+ a = scalex;
+ f = scaley;
+ k = scalez;
+ l = h = d = e = b = i = c = j = g = 0;
+ }
+ public Matrix(Vec translate) {
+ d = translate.x; h = translate.y; l = translate.z;
+ a = f = k = 1;
+ b = c = e = g = i = j = 0;
+ }
+ public Matrix(float a, float b, float c, float d, float e, float f, float g, float h, float i, float j, float k, float l) {
+ this.a = a; this.b = b; this.c = c; this.d = d; this.e = e; this.f = f; this.g = g; this.h = h; this.i = i;
+ this.j = j; this.k = k; this.l = l;
+ }
+ public Matrix times(float x) {
+ return new Matrix(a*x, b*x, c*x, d*x, e*x, f*x, g*x, h*x, i*x, j*x, k*x, l*x);
+ }
+ public Matrix(Vec axis, float angle) {
+ double q = Math.cos(angle);
+ double s = Math.sin(angle);
+ double t = 1.0 - q;
+ a = (float)(q + axis.x*axis.x*t);
+ f = (float)(q + axis.y*axis.y*t);
+ k = (float)(q + axis.z*axis.z*t);
+ double tmp1 = axis.x*axis.y*t;
+ double tmp2 = axis.z*s;
+ e = (float)(tmp1 + tmp2);
+ b = (float)(tmp1 - tmp2);
+ tmp1 = axis.x*axis.z*t;
+ tmp2 = axis.y*s;
+ i = (float)(tmp1 - tmp2);
+ c = (float)(tmp1 + tmp2);
+ tmp1 = axis.y*axis.z*t;
+ tmp2 = axis.x*s;
+ j = (float)(tmp1 + tmp2);
+ g = (float)(tmp1 - tmp2);
+ d = h = l = 0;
+ }
+ public Point times(Point p) {
+ return new Point(a*p.x + b*p.y + c*p.z + d,
+ e*p.x + f*p.y + g*p.z + h,
+ i*p.x + j*p.y + k*p.z + l);
+ }
+ public Point apply(Point p) { return p; }
+ public Vec apply(Vec v) { return v; }
+ public Matrix invert() { return this; }
+ public Matrix times(Matrix m) { return this; }
+}
--- /dev/null
+package edu.berkeley.qfat.geom;
+import javax.media.opengl.*;
+
+/** point in 3-space; immutable */
+public final class Point {
+ public final float x, y, z;
+ public Point(double x, double y, double z) { this((float)x, (float)y, (float)z); }
+ public Point(float x, float y, float z) { this.x = x; this.y = y; this.z = z; }
+ public float distance(Point p) { return distance(p.x, p.y, p.z); }
+ public float distance(float ox, float oy, float oz) { return (float)Math.sqrt((x-ox)*(x-ox)+(y-oy)*(y-oy)+(z-oz)*(z-oz)); }
+ public Point times(Matrix m) { return m.times(this); }
+ public Vec minus(Point p) { return new Vec(x-p.x, y-p.y, z-p.z); }
+ public Point plus(Vec v) { return new Point(x+v.x, y+v.y, z+v.z); }
+ public boolean equals(Object o) { return o!=null && (o instanceof Point) && ((Point)o).x==x && ((Point)o).y==y && ((Point)o).z==z; }
+ public void glVertex(GL gl) { _glVertex(gl); }
+ private void _glVertex(GL gl) { gl.glVertex3f(x, y, z); }
+ public String toString() { return "("+x+","+y+","+z+")"; }
+ public int hashCode() { return Float.floatToIntBits(x) ^ Float.floatToIntBits(y) ^ Float.floatToIntBits(z); }
+}
--- /dev/null
+package edu.berkeley.qfat.geom;
+
+/** vector in 3-space; immutable */
+public final class Vec {
+ public final float x, y, z;
+ public Vec(double x, double y, double z) { this((float)x, (float)y, (float)z); }
+ public Vec(float x, float y, float z) { this.x = x; this.y = y; this.z = z; }
+ public Vec(Point p1, Point p2) { this(p2.x-p1.x, p2.y-p1.y, p2.z-p1.z); }
+ public Vec cross(Vec v) { return new Vec(y*v.z-z*v.y, z*v.x-x*v.z, x*v.y-y*v.x); }
+ public Vec plus(Vec v) { return new Vec(x+v.x, y+v.y, z+v.z); }
+ public Vec norm() { return mag()==0 ? this : div(mag()); }
+ public Vec times(Matrix m) { return m.apply(this); }
+ public float mag() { return (float)Math.sqrt(x*x+y*y+z*z); }
+ public float dot(Vec v) { return x*v.x + y*v.y + z*v.z; }
+ public Vec times(float mag) { return new Vec(x*mag, y*mag, z*mag); }
+ public Vec div(float mag) { return new Vec(x/mag, y/mag, z/mag); }
+ public String toString() { return "<"+x+","+y+","+z+">"; }
+}