[Bprocessor-commit] model/src/net/sourceforge/bprocessor/model Plane.java,1.18,1.19 CoordinateSystem.java,1.9,1.10

[Michael L. <he...@us...>]

Update of /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv28956/src/net/sourceforge/bprocessor/model

Modified Files:
	Plane.java CoordinateSystem.java 
Log Message:
Plane.coordinateSystem() implemented
Orthogonal Constructor implemented in first version that only works with xy plane

Index: CoordinateSystem.java
===================================================================
RCS file: /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model/CoordinateSystem.java,v
retrieving revision 1.9
retrieving revision 1.10
diff -C2 -d -r1.9 -r1.10
*** CoordinateSystem.java	22 Mar 2006 10:53:18 -0000	1.9
--- CoordinateSystem.java	5 May 2006 14:08:42 -0000	1.10
***************
*** 117,120 ****
--- 117,128 ----
    
    /**
+    * Set the origin
+    * @param origin The new origin
+    */
+   public void setOrigin(Vertex origin) {
+     this.origin = origin;
+   }
+   
+   /**
     * Return the xy plane of this CoordinateSystem
     * @return The xy plane
***************
*** 219,221 ****
--- 227,236 ----
    }
    
+   /**
+    * @return String
+    */
+   public String toString() {
+     return "[i = " + i + " j = " + j + " n = " + n + " o = " + origin + "]";
+   }
+   
  }

Index: Plane.java
===================================================================
RCS file: /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model/Plane.java,v
retrieving revision 1.18
retrieving revision 1.19
diff -C2 -d -r1.18 -r1.19
*** Plane.java	21 Apr 2006 15:21:59 -0000	1.18
--- Plane.java	5 May 2006 14:08:42 -0000	1.19
***************
*** 255,258 ****
--- 255,290 ----
    
    /**
+    * A CoordinateSystem is returned for this plane.
+    * @return CoordinateSystem
+    */
+   public CoordinateSystem coordinateSystem() {
+     Vertex origin = origin();
+     Vertex n = new Vertex(a, b, c);
+     int index = largestCoefficient();
+     Vertex i = null;
+     Vertex j = null;
+     
+     if (index == X) {
+       i = new Vertex(0, 1, 0);
+     }
+     if (index == Y) {
+       i = new Vertex(0, 0, 1);
+     }
+     if (index == Z) {
+       i = new Vertex(1, 0, 0);
+     }
+     
+     double t = n.dot(i);
+     i.setX(i.getX() - n.getX() * t);
+     i.setY(i.getY() - n.getY() * t);
+     i.setZ(i.getZ() - n.getZ() * t);
+     i.scale(1 / i.length());
+     
+     j = n.cross(i);
+     
+     return new CoordinateSystem(i, j, n, origin);
+   }
+   
+   /**
     * Project a vector into this plane
     * @param vector The vector to project