package com.billkuker.rocketry.motorsim.grain;\r
\r
-import java.awt.BasicStroke;\r
-import java.awt.BorderLayout;\r
-import java.awt.Color;\r
-import java.awt.Dimension;\r
-import java.awt.Graphics;\r
-import java.awt.Graphics2D;\r
-import java.awt.Rectangle;\r
-import java.awt.Shape;\r
-import java.awt.geom.AffineTransform;\r
-import java.awt.geom.Ellipse2D;\r
-import java.awt.geom.GeneralPath;\r
-import java.awt.geom.PathIterator;\r
-import java.awt.geom.Rectangle2D;\r
-import java.util.HashSet;\r
-import java.util.Iterator;\r
-import java.util.NoSuchElementException;\r
-import java.util.Set;\r
-import java.util.SortedMap;\r
-import java.util.TreeMap;\r
+import java.beans.PropertyVetoException;\r
\r
-import javax.measure.quantity.Area;\r
-import javax.measure.quantity.Dimensionless;\r
import javax.measure.quantity.Length;\r
-import javax.measure.quantity.Volume;\r
import javax.measure.unit.SI;\r
-import javax.swing.JFrame;\r
-import javax.swing.JLabel;\r
-import javax.swing.JPanel;\r
-import javax.swing.JSlider;\r
-import javax.swing.JSplitPane;\r
-import javax.swing.event.ChangeEvent;\r
-import javax.swing.event.ChangeListener;\r
\r
import org.jscience.physics.amount.Amount;\r
\r
import com.billkuker.rocketry.motorsim.Grain;\r
-import com.billkuker.rocketry.motorsim.visual.Chart;\r
+import com.billkuker.rocketry.motorsim.MotorPart;\r
\r
-public class ExtrudedGrain implements Grain {\r
-\r
- Set<Shape> plus = new HashSet<Shape>();\r
-\r
- Set<Shape> minus = new HashSet<Shape>();\r
-\r
- Set<Shape> inhibited = new HashSet<Shape>();\r
-\r
- Amount<Length> length = Amount.valueOf(25, SI.MILLIMETER);\r
-\r
- Amount<Length> rStep;\r
-\r
- private class RegEntry {\r
- Amount<Area> surfaceArea;\r
-\r
- Amount<Volume> volume;\r
- }\r
-\r
- Amount<Length> webThickness;\r
-\r
- {\r
- /*\r
- * Similar test grain Shape outside = new Ellipse2D.Double(50,50,30,30);\r
- * plus.add(outside); minus.add(new Ellipse2D.Double(50,60,10,10));\r
- * inhibited.add(outside); length = Amount.valueOf(70, SI.MILLIMETER); /\r
- */\r
-\r
- /* Big c-slot */\r
- Shape outside = new Ellipse2D.Double(0, 0, 30, 30);\r
- plus.add(outside);\r
- inhibited.add(outside);\r
- minus.add(new Rectangle2D.Double(13, 13, 4, 30));\r
- //minus.add(new Ellipse2D.Double(12, 12, 6, 6));\r
- length = Amount.valueOf(70, SI.MILLIMETER);\r
- /**/\r
-\r
- /*\r
- * Plus sign Shape outside = new Ellipse2D.Double(0,0,200,200);\r
- * plus.add(outside); inhibited.add(outside); minus.add(new\r
- * Rectangle2D.Double(90,40,20,120)); minus.add(new\r
- * Rectangle2D.Double(40,90,120,20));\r
- */\r
-\r
- findWebThickness();\r
-\r
- }\r
-\r
- @Override\r
- public Amount<Area> surfaceArea(Amount<Length> regression) {\r
- Amount<Area> zero = Amount.valueOf(0, Area.UNIT);\r
- \r
- if (regression.isGreaterThan(webThickness))\r
- return zero;\r
- \r
- Amount<Length> rLen = length.minus(regression.times(2));\r
- if (rLen.isLessThan(Amount.valueOf(0, SI.MILLIMETER)))\r
- return zero;\r
-\r
- java.awt.geom.Area burn = getCrossSection(regression);\r
- \r
- if (burn.isEmpty())\r
- return zero;\r
- \r
- burn.subtract(getCrossSection(regression.plus(Amount.valueOf(.001,\r
- SI.MILLIMETER))));\r
+public abstract class ExtrudedGrain extends MotorPart implements Grain {\r
+ private boolean foreEndInhibited = false;\r
+ private boolean aftEndInhibited = false;\r
+ private Amount<Length> length = Amount.valueOf(100, SI.MILLIMETER);\r
+ private Amount<Length> endLight = Amount.valueOf(0, SI.MILLIMETER);\r
\r
- Amount<Area> xSection = crossSectionArea(regression);\r
-\r
- return perimeter(burn).divide(2).times(rLen).plus(\r
- xSection.times(2)).to(Area.UNIT);\r
+ protected int numberOfBurningEnds(Amount<Length> regression){\r
+ if ( regression.isLessThan(endLight) )\r
+ return 0;\r
+ return (foreEndInhibited?0:1) + (aftEndInhibited?0:1);\r
}\r
-\r
- @Override\r
- public Amount<Volume> volume(Amount<Length> regression) {\r
- Amount<Volume> zero = Amount.valueOf(0, Volume.UNIT);\r
- \r
- Amount<Length> rLen = length.minus(regression.times(2));\r
- if (rLen.isLessThan(Amount.valueOf(0, SI.MILLIMETER)))\r
- return zero;\r
- \r
- Amount<Area> xSection = crossSectionArea(regression);\r
-\r
- return xSection.times(rLen).to(Volume.UNIT);\r
-\r
- }\r
-\r
-\r
-\r
\r
- private Amount<Area> crossSectionArea(Amount<Length> regression) {\r
- //Get the PLUS shape and sum its area\r
- java.awt.geom.Area plus = getPlus(regression);\r
- Amount<Area> plusArea = Amount.valueOf(0, SI.SQUARE_METRE);\r
- for (java.awt.geom.Area a : separate(plus)) {\r
- plusArea = plusArea.plus(area(a));\r
- }\r
- \r
- //Get the MINUS shape, intersect it with PLUS to get just the parts\r
- //that are removed, sum it's area\r
- java.awt.geom.Area minus = getMinus(regression);\r
- minus.intersect(plus);\r
- Amount<Area> minusArea = Amount.valueOf(0, SI.SQUARE_METRE);\r
- for (java.awt.geom.Area a : separate(minus)) {\r
- minusArea = minusArea.plus(area(a));\r
- }\r
- \r
- //Subtract PLUS from MINUS and return\r
- Amount<Area> area = plusArea.minus(minusArea);\r
-\r
- return area;\r
+ protected Amount<Length> regressedLength(Amount<Length> regression){\r
+ if ( regression.isLessThan(endLight) )\r
+ return length;\r
+ return length.minus(regression.minus(endLight).times(numberOfBurningEnds(regression)));\r
}\r
\r
- @Override\r
- public Amount<Length> webThickness() {\r
- return webThickness;\r
+ public boolean isForeEndInhibited() {\r
+ return foreEndInhibited;\r
}\r
\r
- private Amount<Length> perimeter(java.awt.geom.Area a) {\r
- //TODO: I think I need to handle seg_close!!\r
- PathIterator i = a.getPathIterator(new AffineTransform(), .001);\r
- double x = 0, y = 0;\r
- double len = 0;\r
- while (!i.isDone()) {\r
- double coords[] = new double[6];\r
- int type = i.currentSegment(coords);\r
- if (type == PathIterator.SEG_LINETO) {\r
- // System.out.println("Line");\r
- double nx = coords[0];\r
- double ny = coords[1];\r
- // System.out.println(x+","+y+ " to " + nx+"," + ny);\r
- len += Math.sqrt(Math.pow(x - nx, 2) + Math.pow(y - ny, 2));\r
- x = nx;\r
- y = ny;\r
- } else if (type == PathIterator.SEG_MOVETO) {\r
- // System.out.println("Move");\r
- x = coords[0];\r
- y = coords[1];\r
- } else {\r
- // System.err.println("Got " + type);\r
- }\r
- i.next();\r
- }\r
- return Amount.valueOf(len, SI.MILLIMETER);\r
+ public void setForeEndInhibited(boolean foreEndInhibited)throws PropertyVetoException {\r
+ fireVetoableChange("foreEndInhibited", this.foreEndInhibited, foreEndInhibited);\r
+ boolean old = this.foreEndInhibited;\r
+ this.foreEndInhibited = foreEndInhibited;\r
+ firePropertyChange("foreEndInhibited", old, foreEndInhibited);\r
}\r
\r
- private void findWebThickness() {\r
- java.awt.geom.Area a = getCrossSection(Amount.valueOf(0, SI.MILLIMETER));\r
- Rectangle r = a.getBounds();\r
- double max = r.getWidth() < r.getHeight() ? r.getHeight() : r\r
- .getWidth(); // The max size\r
- double min = 0;\r
- double guess;\r
- while (true) {\r
- guess = min + (max - min) / 2; // Guess halfway through\r
- System.out.println("Min: " + min + " Guess: " + guess + " Max: "\r
- + max);\r
- a = getCrossSection(Amount.valueOf(guess, SI.MILLIMETER));\r
- if (a.isEmpty()) {\r
- // guess is too big\r
- max = guess;\r
- } else {\r
- // min is too big\r
- min = guess;\r
- }\r
- if ((max - min) < .01)\r
- break;\r
- }\r
- webThickness = Amount.valueOf(guess, SI.MILLIMETER);\r
- if (webThickness.isGreaterThan(length.divide(2)))\r
- webThickness = length.divide(2);\r
+ public boolean isAftEndInhibited() {\r
+ return aftEndInhibited;\r
}\r
\r
- @Override\r
- public java.awt.geom.Area getCrossSection(Amount<Length> regression) {\r
- java.awt.geom.Area res = getPlus(regression);\r
- res.subtract(getMinus(regression));\r
- return res;\r
- }\r
- \r
- @Override\r
- public java.awt.geom.Area getSideView(Amount<Length> regression) {\r
- java.awt.geom.Area res = new java.awt.geom.Area();\r
- double rLenmm = length.minus(regression.times(2)).doubleValue(SI.MILLIMETER);\r
- \r
- for( java.awt.geom.Area a : separate(getCrossSection(regression))){\r
- Rectangle2D bounds = a.getBounds2D();\r
- Rectangle2D side = new Rectangle2D.Double(bounds.getMinX(), -rLenmm/2.0, bounds.getWidth(), rLenmm);\r
- res.add(new java.awt.geom.Area(side));\r
- }\r
- return res;\r
- }\r
- \r
- private java.awt.geom.Area getPlus(Amount<Length> regression) {\r
- java.awt.geom.Area a = new java.awt.geom.Area();\r
- for (Shape s : plus)\r
- a.add(new java.awt.geom.Area(regress(s, regression\r
- .doubleValue(SI.MILLIMETER), true)));\r
- return a;\r
+ public void setAftEndInhibited(boolean aftEndInhibited) throws PropertyVetoException {\r
+ fireVetoableChange("aftEndInhibited", this.aftEndInhibited, aftEndInhibited);\r
+ boolean old = this.aftEndInhibited;\r
+ this.aftEndInhibited = aftEndInhibited;\r
+ firePropertyChange("aftEndInhibited", old, aftEndInhibited);\r
}\r
- \r
- private java.awt.geom.Area getMinus(Amount<Length> regression) {\r
- java.awt.geom.Area a = new java.awt.geom.Area();\r
- for (Shape s : minus)\r
- a.add(new java.awt.geom.Area(regress(s, regression\r
- .doubleValue(SI.MILLIMETER), false)));\r
- return a;\r
- }\r
- \r
-\r
- private Shape regress(Shape s, double mm, boolean plus) {\r
- if (inhibited.contains(s))\r
- return s;\r
- if (s instanceof Ellipse2D) {\r
- Ellipse2D e = (Ellipse2D) s;\r
-\r
- double d = plus ? -2 * mm : 2 * mm;\r
-\r
- double w = e.getWidth() + d;\r
- double h = e.getHeight() + d;\r
- double x = e.getX() - d / 2;\r
- double y = e.getY() - d / 2;\r
\r
- return new Ellipse2D.Double(x, y, w, h);\r
- } else if (s instanceof Rectangle2D) {\r
- Rectangle2D r = (Rectangle2D) s;\r
- \r
- if ( plus ){\r
- double d = -2 * mm;\r
- double w = r.getWidth() + d;\r
- double h = r.getHeight() + d;\r
- double x = r.getX() - d / 2;\r
- double y = r.getY() - d / 2;\r
- return new Rectangle2D.Double(x, y, w, h);\r
- } else {\r
- //A rectangular hole gets rounded corners as it grows\r
- java.awt.geom.Area a = new java.awt.geom.Area();\r
- double d = 2 * mm;\r
- \r
- //Make it wider\r
- double w = r.getWidth() + d;\r
- double h = r.getHeight();\r
- double x = r.getX() - d / 2;\r
- double y = r.getY();\r
- a.add( new java.awt.geom.Area(new Rectangle2D.Double(x, y, w, h)));\r
- \r
- //Make it taller\r
- w = r.getWidth();\r
- h = r.getHeight() + d;\r
- x = r.getX();\r
- y = r.getY() - d / 2;\r
- a.add( new java.awt.geom.Area(new Rectangle2D.Double(x, y, w, h)));\r
- \r
- //Add rounded corners\r
- a.add( new java.awt.geom.Area(new Ellipse2D.Double(r.getX()-mm, r.getY()-mm, mm*2, mm*2)));\r
- a.add( new java.awt.geom.Area(new Ellipse2D.Double(r.getX()+r.getWidth()-mm, r.getY()-mm, mm*2, mm*2)));\r
- a.add( new java.awt.geom.Area(new Ellipse2D.Double(r.getX()+r.getWidth()-mm, r.getY()+r.getHeight()-mm, mm*2, mm*2)));\r
- a.add( new java.awt.geom.Area(new Ellipse2D.Double(r.getX()-mm, r.getY()+r.getHeight()-mm, mm*2, mm*2)));\r
- \r
- return a;\r
- }\r
-\r
- }\r
- return null;\r
+ public Amount<Length> getLength() {\r
+ return length;\r
}\r
\r
- public static void main(String args[]) throws Exception {\r
- ExtrudedGrain e = new ExtrudedGrain();\r
- new GrainPanel(e).show();\r
+ public void setLength(Amount<Length> length) throws PropertyVetoException {\r
+ fireVetoableChange("length", this.length, length);\r
+ Amount<Length> old = this.length;\r
+ this.length = length;\r
+ firePropertyChange("length", old, length);\r
}\r
-\r
-\r
- /*\r
- * Separate an area into multiple distinct area.\r
- * Area CAN NOT HAVE HOLES. HOLES WILL BE RETURNED AS AREAS,\r
- * SO A DONUT WILL TURN INTO TWO CIRCLES.\r
- */\r
- private Set<java.awt.geom.Area> separate(java.awt.geom.Area a) {\r
- Set<java.awt.geom.Area> res = new HashSet<java.awt.geom.Area>();\r
- PathIterator i = a.getPathIterator(new AffineTransform());\r
- GeneralPath cur = null;\r
-\r
- while (!i.isDone()) {\r
- double coords[] = new double[6];\r
- int type = i.currentSegment(coords);\r
- switch (type) {\r
- case PathIterator.SEG_CLOSE:\r
- cur.closePath();\r
- if (cur != null ){\r
- java.awt.geom.Area area = new java.awt.geom.Area(cur);\r
- if ( !a.isEmpty() )\r
- res.add(area);\r
- }\r
- cur = new GeneralPath(i.getWindingRule());\r
- break;\r
- case PathIterator.SEG_MOVETO:\r
- if (cur != null ){\r
- java.awt.geom.Area area = new java.awt.geom.Area(cur);\r
- if ( !a.isEmpty() )\r
- res.add(area);\r
- }\r
- cur = new GeneralPath(i.getWindingRule());\r
- cur.moveTo(coords[0], coords[1]);\r
- break;\r
- case PathIterator.SEG_CUBICTO:\r
- cur.curveTo(coords[0], coords[1], coords[2], coords[3],\r
- coords[4], coords[5]);\r
- break;\r
- case PathIterator.SEG_LINETO:\r
- cur.lineTo(coords[0], coords[1]);\r
- break;\r
- case PathIterator.SEG_QUADTO:\r
- cur.quadTo(coords[0], coords[1], coords[2], coords[3]);\r
- break;\r
-\r
- }\r
- i.next();\r
- }\r
-\r
- return res;\r
- }\r
- \r
- /*\r
- * Return the Area of a singular polygon (NO HOLES OR DISJOINT PARTS).\r
- * Coordinates assumed to be in MM.\r
- * http://valis.cs.uiuc.edu/~sariel/research/CG/compgeom/msg00831.html\r
- * http://stackoverflow.com/questions/451426/how-do-i-calculate-the-surface-area-of-a-2d-polygon\r
- * http://www.wikihow.com/Calculate-the-Area-of-a-Polygon\r
- */\r
- private Amount<Area> area(java.awt.geom.Area a) {\r
- if ( !a.isSingular() )\r
- throw new IllegalArgumentException("Can not calculate area of non-singular shape!");\r
- PathIterator i = a.getPathIterator(new AffineTransform(), .001);\r
- \r
- \r
- double x = 0, y = 0, sx = 0, sy = 0;\r
- double nx, ny;\r
- double area = 0;\r
- while (!i.isDone()) {\r
- double coords[] = new double[6];\r
- int type = i.currentSegment(coords);\r
- switch( type ){\r
- case PathIterator.SEG_CLOSE:\r
- //Go back to the start\r
- nx = sx;\r
- ny = sy;\r
- area += x * ny;\r
- area -= y * nx;\r
- break;\r
- case PathIterator.SEG_LINETO:\r
- nx = coords[0];\r
- ny = coords[1];\r
- area += x * ny;\r
- area -= y * nx;\r
-\r
- //Remember the last points\r
- x = nx;\r
- y = ny;\r
- \r
- break;\r
- case PathIterator.SEG_MOVETO:\r
- //Remember the starting point\r
- x = sx = coords[0];\r
- y = sy = coords[1];\r
- break;\r
- default:\r
- throw new Error("Bad segment type from Flattening Path Iterator");\r
- }\r
- i.next();\r
- }\r
- \r
- area = area / 2.0; // Result so far is double the signed area\r
- \r
- if ( area < 0 ) //Depending on winding it could be negative\r
- area = area * -1.0;\r
- \r
- \r
- return Amount.valueOf(area, SI.MILLIMETER.pow(2)).to(Area.UNIT);\r
- }\r
-\r
}\r
projects / sw / motorsim / blobdiff