예제 #1
0
 /**
  * @param coords A coordinate buffer
  * @param i The index in this buffer where to put the 12 components of this quad
  */
 public void updateCoords(float[][] grid, float[] coords, int i) {
   System.arraycopy(p.getCoordinates(grid, u, v), 0, coords, i, 3);
   System.arraycopy(p.getCoordinates(grid, u, v + 1), 0, coords, i + 3, 3);
   System.arraycopy(p.getCoordinates(grid, u + 1, v + 1), 0, coords, i + 6, 3);
   System.arraycopy(p.getCoordinates(grid, u + 1, v), 0, coords, i + 9, 3);
 }
예제 #2
0
  protected void makeGroups() {
    int totalQuads = 0;
    int totalInternalEdges = 0;
    int totalExternalEdges = 0;
    // loop over each group
    // loop over each group
    int[] groupID = provider.getDomainIDs();

    for (int g = 0; g < groupID.length; ++g) {
      LOGGER.finest("generating java3d tree for group number " + groupID[g]);
      // Set of EdgeLine objects. Overlapping edges on the same line are
      // merged together
      HashMap<EdgeLine, EdgeLine> externalEdges = new HashMap<EdgeLine, EdgeLine>();
      // Same trick for internal edges.
      HashMap<EdgeLine, EdgeLine> internalEdges = new HashMap<EdgeLine, EdgeLine>();
      FDDomain fdDomain = (FDDomain) provider.getDomain(groupID[g]);
      baseColor.put(new Integer(g), fdDomain.getColor());
      Plate[] plates = domainToPlates(fdDomain);

      if (plates.length == 0) continue;

      // Create plates for this group
      FloatBuffer nioCoords =
          ByteBuffer.allocateDirect(plates.length * 4 * 3 * 4)
              .order(ByteOrder.nativeOrder())
              .asFloatBuffer();
      FloatBuffer nioColors =
          ByteBuffer.allocateDirect(plates.length * 4 * 3 * 4)
              .order(ByteOrder.nativeOrder())
              .asFloatBuffer();
      float[] baseColor = getColorForOrder(g, 0);
      // System.out.println(baseColor[0]+" "+baseColor[1]+" "+baseColor[2]);
      for (int np = 0; np < plates.length; ++np) {
        Plate p = plates[np];
        // put coordinates
        nioCoords.put(p.getCoordinates(grid));
        // put colors for the 4 vertices
        nioColors.put(baseColor);
        nioColors.put(baseColor);
        nioColors.put(baseColor);
        nioColors.put(baseColor);
        // Merge external edges
        addEdge(externalEdges, getLine(p, 2, p.min1), p.min2, p.max2);
        addEdge(externalEdges, getLine(p, 2, p.max1), p.min2, p.max2);
        addEdge(externalEdges, getLine(p, 1, p.min2), p.min1, p.max1);
        addEdge(externalEdges, getLine(p, 1, p.max2), p.min1, p.max1);
        // Merge internal edges
        for (int i = p.min1 + 1; i < p.max1; ++i)
          addEdge(internalEdges, getLine(p, 2, i), p.min2, p.max2);
        for (int j = p.min2 + 1; j < p.max2; ++j)
          addEdge(internalEdges, getLine(p, 1, j), p.min1, p.max1);
      }
      // use by reference array of colors => fast to change!
      QuadArray qa =
          new NioQuadArray(plates.length * 4, GeometryArray.COORDINATES | GeometryArray.COLOR_3);
      qa.setCoordRefBuffer(new J3DBuffer(nioCoords));
      qa.setColorRefBuffer(new J3DBuffer(nioColors));
      qa.setCapability(GeometryArray.ALLOW_COLOR_WRITE);
      qa.setCapabilityIsFrequent(GeometryArray.ALLOW_COLOR_WRITE);
      Appearance a = new Appearance();
      PolygonAttributes pa =
          new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_NONE, 0);
      pa.setPolygonOffset(1);
      pa.setPolygonOffsetFactor(1);
      a.setPolygonAttributes(pa);
      Shape3D s3d = new Shape3D(qa, a);
      PickTool.setCapabilities(s3d, PickTool.INTERSECT_FULL);
      s3d.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
      s3d.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
      s3d.setCapability(Node.ALLOW_PICKABLE_READ);
      s3d.setCapability(Node.ALLOW_PICKABLE_WRITE);
      s3d.setPickable(true);
      s3d.setUserData(new BehindShape(s3d, plates, g));

      this.addChild(s3d);

      // Create edge shapes directly, don't make them appear in graph
      int nInternalEdges = 0;
      for (Iterator<EdgeLine> it = internalEdges.keySet().iterator(); it.hasNext(); ) {
        EdgeLine el = it.next();
        nInternalEdges += el.getNumberOfEdges();
      }
      if (nInternalEdges > 0) {
        DoubleBuffer nioInternalEdges =
            ByteBuffer.allocateDirect(nInternalEdges * 2 * 3 * 8)
                .order(ByteOrder.nativeOrder())
                .asDoubleBuffer();
        // create edge coords
        for (Iterator<EdgeLine> it = internalEdges.keySet().iterator(); it.hasNext(); ) {
          EdgeLine el = it.next();
          nioInternalEdges.put(el.getCoords(grid));
        }
        LineArray la =
            new NioLineArray(nInternalEdges * 2, GeometryArray.COORDINATES | GeometryArray.COLOR_3);
        la.setCoordRefBuffer(new J3DBuffer(nioInternalEdges));
        int colSize = nInternalEdges * 2 * 3;
        FloatBuffer nioInternalColors =
            ByteBuffer.allocateDirect(colSize * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();
        float[] colors = getColorForOrder(g, 2);
        for (int i = 0; i < colSize; i += 3) nioInternalColors.put(colors);
        la.setColorRefBuffer(new J3DBuffer(nioInternalColors));
        la.setUserData(new int[] {g, 2});
        a = new Appearance();
        // pa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE,
        // PolygonAttributes.CULL_NONE, 0);
        // pa.setPolygonOffset(4);
        // pa.setPolygonOffsetFactor(4);
        // a.setPolygonAttributes(pa);
        // LineAttributes lat = new LineAttributes();
        // lat.setLineAntialiasingEnable(true);
        // a.setLineAttributes(lat);
        // RenderingAttributes ra = new RenderingAttributes();
        // ra.setAlphaTestFunction(RenderingAttributes.GREATER);
        // ra.setAlphaTestValue(0.5f);
        // a.setRenderingAttributes(ra);
        s3d = new Shape3D(la, a);
        PickTool.setCapabilities(s3d, PickTool.INTERSECT_FULL);
        s3d.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
        s3d.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
        s3d.setCapability(Node.ALLOW_PICKABLE_READ);
        s3d.setCapability(Node.ALLOW_PICKABLE_WRITE);
        s3d.setPickable(false); // by default, see actions
        s3d.setUserData(this); // this object will handle edges
        this.addChild(s3d);
        allEdgeShapes.add(s3d);
      }
      // Now, create external edge
      int nExternalEdges = 0;
      for (Iterator<EdgeLine> it = externalEdges.keySet().iterator(); it.hasNext(); ) {
        EdgeLine el = it.next();
        nExternalEdges += el.getNumberOfEdges();
      }
      if (nExternalEdges > 0) {
        DoubleBuffer nioExternalEdges =
            ByteBuffer.allocateDirect(nExternalEdges * 2 * 3 * 8)
                .order(ByteOrder.nativeOrder())
                .asDoubleBuffer();
        // create edge coords
        for (Iterator<EdgeLine> it = externalEdges.keySet().iterator(); it.hasNext(); ) {
          EdgeLine el = it.next();
          nioExternalEdges.put(el.getCoords(grid));
        }
        LineArray la =
            new NioLineArray(nExternalEdges * 2, GeometryArray.COORDINATES | GeometryArray.COLOR_3);
        la.setCoordRefBuffer(new J3DBuffer(nioExternalEdges));
        int colSize = nExternalEdges * 2 * 3;
        FloatBuffer nioExternalColors =
            ByteBuffer.allocateDirect(colSize * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();
        float[] colors = getColorForOrder(g, 4);
        for (int i = 0; i < colSize; i += 3) nioExternalColors.put(colors);
        la.setColorRefBuffer(new J3DBuffer(nioExternalColors));
        la.setUserData(new int[] {g, 4});
        a = new Appearance();
        // pa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE,
        // PolygonAttributes.CULL_NONE, 0);
        // pa.setPolygonOffset(3);
        // pa.setPolygonOffsetFactor(3);
        // a.setPolygonAttributes(pa);
        s3d = new Shape3D(la, a);
        PickTool.setCapabilities(s3d, PickTool.INTERSECT_FULL);
        s3d.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
        s3d.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
        s3d.setCapability(Node.ALLOW_PICKABLE_READ);
        s3d.setCapability(Node.ALLOW_PICKABLE_WRITE);
        s3d.setPickable(false); // by default, see actions
        s3d.setUserData(this); // this object will handle edges
        this.addChild(s3d);
        allEdgeShapes.add(s3d);
      }
      totalQuads += plates.length;
      totalInternalEdges += nInternalEdges;
      totalExternalEdges += nExternalEdges;
    }
    System.out.println("Total quads: " + totalQuads);
    System.out.println("Total Internal Plate edges: " + totalInternalEdges);
    System.out.println("Total External Plate edges: " + totalExternalEdges);
  }