/**
* Simple algorithm to add or remove a quad from the selection Ideas: 1. Use one shape per quad =>
* easy, but can become very fast too big to fit in memory. => pb: flicker when adding / removing
* because the scene is detached 2. Use only one shape, modify geometry TODO: pre-create an empty
* shape to avoid initial flicker
*
* @param on
* @param p
* @param u
* @param v
* @param groupIdx2
*/
protected void toggleSelectedQuad(boolean on, SelectionQuad sq) {
LOGGER.finest("on=" + on + " selectionQuad=" + sq);
if (on) {
// add the given quad to the list
if (selection.contains(sq)) return; // already in
selection.add(sq);
} else {
// remove the given quad from the list
if (!selection.contains(sq)) return; // not present
selection.remove(sq);
if (selection.size() == 0) {
QuadArray qa = (QuadArray) selectionShape.getGeometry();
qa.setValidVertexCount(0);
return;
}
}
// Use in-memory arrays instead of NIO because selection should not be
// too big
// => faster
QuadArray qa =
new QuadArray(
selection.size() * 4,
GeometryArray.COORDINATES | GeometryArray.COLOR_3 | GeometryArray.BY_REFERENCE);
float[] coords = new float[selection.size() * 4 * 3];
float[] colors = new float[selection.size() * 4 * 3];
for (int i = 0; i < coords.length; i += 12) {
SelectionQuad quad = selection.get(i / 12);
quad.updateCoords(grid, coords, i);
quad.updateColors(colors, i);
}
qa.setCoordRefFloat(coords);
qa.setColorRefFloat(colors);
qa.setCapability(GeometryArray.ALLOW_COUNT_WRITE);
// update selection Shape with the new selection list
if (selectionShape == null) {
Appearance a = new Appearance();
PolygonAttributes pa =
new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_NONE, 0);
pa.setPolygonOffset(0.5f); // between faces and edges
pa.setPolygonOffsetFactor(0.5f);
a.setPolygonAttributes(pa);
selectionShape = new Shape3D(qa, a);
selectionShape.setUserData(this);
selectionShape.setPickable(false);
selectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
selectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
BranchGroup bg = new BranchGroup();
bg.addChild(selectionShape);
addChild(bg);
} else selectionShape.setGeometry(qa);
}
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);
}