Examples of edu.cmu.cs.stage3.image.codec.SegmentedSeekableStream

edu.cmu.cs.stage3.util.StringObjectPair
A SegmentedSeekableStream provides a view of a subset of another SeekableStream consiting of a series of segments with given starting positions in the source stream and lengths. The resulting stream behaves like an ordinary SeekableStream.
For example, given a SeekableStream containing data in a format consisting of a number of sub-streams stored in non-contiguous sectors indexed by a directory, it is possible to construct a set of SegmentedSeekableStreams, one for each sub-stream, that each provide a view of the sectors comprising a particular stream by providing the positions and lengths of the stream's sectors as indicated by the directory. The complex multi-stream structure of the original stream may be ignored by users of the SegmentedSeekableStream, who see a separate SeekableStream for each sub-stream and do not need to understand the directory structure at all.
For further efficiency, a directory structure such as in the example described above need not be fully parsed in order to build a SegmentedSeekableStream. Instead, the StreamSegmentMapper interface allows the association between a desired region of the output and an input segment to be provided dynamically. This mapping might be computed by reading from a directory in piecemeal fashion in order to avoid consuming memory resources.
It is the responsibility of the user of this class to determine whether backwards seeking should be enabled. If the source stream supports only forward seeking, backwards seeking must be disabled and the StreamSegmentMapper must be monotone; that is, forward motion in the destination must always result in forward motion within the source. If the source stream supports backwards seeking, there are no restrictions on the StreamSegmentMapper and backwards seeking may always be enabled for the SegmentedSeekableStream.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.


        if (pg.getVertices()!=null) {
            Vertex3d[] verts = new Vertex3d[pg.getVertices().length];
            double height = getSceneGraphGeometry().getBoundingBox().getHeight()/(double)lineCount;
            for (int i=0; i<verts.length; i++) {
                    verts[i] = new Vertex3d((Point3d)pg.getVertices()[i].position.clone(), pg.getVertices()[i].normal, null, null, new TexCoord2f());
                    verts[i].scale(1.0/height,1.0/height,1);
            }
            ((IndexedTriangleArray)this.getSceneGraphGeometry()).setVertices(verts);
        }
    }

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        Vector3d norm2 = new Vector3d(0,0,1);


        li = triangulator.points.listIterator();
        for (int i=0; li.hasNext(); i++) {
            Point2d curPoint = (Point2d)li.next();
            triVertices[i]=new Vertex3d(new Point3d(curPoint.x,curPoint.y,-extz/2),norm1,null,null,new TexCoord2f());
            triVertices[triangulator.points.size()+i]=new Vertex3d(new Point3d(curPoint.x,curPoint.y,extz/2),norm2,null,null,new TexCoord2f());
        }


        li = triangulator.triangles.listIterator();
        for (int i=0; li.hasNext(); i++) {
            Triangle curTri = (Triangle)li.next();

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        java.util.ListIterator li = points.listIterator();
        for (int i=0; li.hasNext(); i++) {
            Point2d point = (Point2d)li.next();


            Point3d pos = new Point3d(point.x,point.y,-extz/2);
            sideVertices[i*2]=new Vertex3d(pos,new Vector3d((Vector3f)normals.elementAt(i*2)),null,null,new TexCoord2f());
            sideVertices[i*2+1]=new Vertex3d(pos,new Vector3d((Vector3f)normals.elementAt(i*2+1)),null,null,new TexCoord2f());
            pos = new Point3d(point.x,point.y,extz/2);
            sideVertices[points.size()*2+i*2]=new Vertex3d(pos,new Vector3d((Vector3f)normals.elementAt(i*2)),null,null,new TexCoord2f());
            sideVertices[points.size()*2+i*2+1]=new Vertex3d(pos,new Vector3d((Vector3f)normals.elementAt(i*2+1)),null,null,new TexCoord2f());
        }


        for (int i=0; i<points.size()-1; i++) {
            //if (outside) {
                indices[i*6]=2*i;

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    }
  }
  protected void onBoundsChange() {
    m_boundingBox = null;
    m_boundingSphere = null;
    onBoundsChange( new BoundEvent( this ) );
  }

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            triVertices[triangulator.points.size()+i]=new Vertex3d(new Point3d(curPoint.x,curPoint.y,extz/2),norm2,null,null,new TexCoord2f());
        }


        li = triangulator.triangles.listIterator();
        for (int i=0; li.hasNext(); i++) {
            Triangle curTri = (Triangle)li.next();
            indices[i*3]=triangulator.indexOfPoint(curTri.vertices[2]);
            indices[i*3+1]=triangulator.indexOfPoint(curTri.vertices[1]);
            indices[i*3+2]=triangulator.indexOfPoint(curTri.vertices[0]);
            indices[triangulator.triangles.size()*3+i*3]=triangulator.points.size()+indices[i*3+2];
            indices[triangulator.triangles.size()*3+i*3+1]=triangulator.points.size()+indices[i*3+1];

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      return Math.sqrt(vec.x * vec.x + vec.y * vec.y + vec.z * vec.z);
    }
    
    double getAngle(Vector3 a, Vector3 b) {  
      // calculate angle
      Vector3 c = Vector3.subtract(a, b);
      double cLength = getLength(c);
      double aLength = getLength(a);
      double bLength = getLength(b);    
      double cosC = ((cLength * cLength) - (aLength * aLength) - (bLength * bLength)) / (-2.0 * aLength * bLength);

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    /*protected Vector3 getHandForward() {
      return null;
    }*/
    
    protected void setVectors() {
      Vector3 rightUpperPos = upperLimb.getPosition(upperLimb);
      Vector3 targetPos = getTargetPosition(); //m_target.getPosition(upperLimb);  
      targetVector = Vector3.subtract(targetPos,rightUpperPos);
      //targetVector.normalize();
      
      javax.vecmath.Vector3d currentDir = null;
      if (lowerLimb == null) {

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      if (asb == null) asb = upperLimb;
      
      javax.vecmath.Vector3d targPos = m_target.getBoundingBox(asb).getCenter();
      Vector3d offsetDir = null;
      
      HowMuch howMuch = HowMuch.INSTANCE_AND_PARTS;
      // if target is not a top-level object, just get the bounding box for that one part
      if ( !(m_target.getParent().equals(m_target.getWorld() )) ){
        howMuch = HowMuch.INSTANCE;
      }

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    protected java.util.Vector createPopupStructure() {
      java.util.Vector structure = createExpressionStructure();
      if( (structure != null) && isNullValid ) {
        if( structure.size() > 0 ) {
          structure.insertElementAt( new StringObjectPair( "Separator", javax.swing.JSeparator.class ), 0 );
        }
        //structure.insertElementAt( new StringObjectPair( "<None>", objectRunnableFactory.createRunnable( null ) ), 0 );
      }
      return structure;
    }

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        structure.add( new edu.cmu.cs.stage3.util.StringObjectPair( "Expressions which evaluate to " + className, expressionStructure ) );
      }


      if( isNullValid ) {
        if( structure.size() > 0 ) {
          structure.insertElementAt( new StringObjectPair( "Separator", javax.swing.JSeparator.class ), 0 );
        }
        //structure.insertElementAt( new StringObjectPair( "<None>", objectRunnableFactory.createRunnable( null ) ), 0 );
      }


      return structure;

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