@Override
public void eyePtChanged() {
Point3d eyePt = getViewPosInLocal(frontRoot);
// System.out.println("eye pt = " + eyePt)
if (eyePt != null) {
for (int i = 0; i < 6; i++) {
// if (perspectiveAttr.getValue() == true)
// {
// eyeVec.sub(eyePt, faceCenter[i]);
// } else
{
eyeVec.sub(eyePt, volCenter);
}
frontFaceBits.set(i);
backFaceBits.clear(i);
if (eyeVec.dot(faceNormal[i]) < 0) {
backFaceBits.set(i);
frontFaceBits.clear(i);
} else {
frontFaceBits.set(i);
backFaceBits.clear(i);
}
}
frontAnnotations.setChildMask(frontFaceBits);
backAnnotations.setChildMask(backFaceBits);
}
}
private void doUpdate() {
if (restorePending) {
return; // we will get called again
// after the restore is
// complete
}
canvas.stopRenderer();
canvas.setDoubleBufferEnable(doubleBufferAttr.getValue());
if (coordSysAttr.getValue()) {
coordSwitch.setWhichChild(Switch.CHILD_ALL);
} else {
coordSwitch.setWhichChild(Switch.CHILD_NONE);
}
if (getAnnotationsAttr().getValue()) {
staticBackAnnotationSwitch.setWhichChild(Switch.CHILD_ALL);
dynamicBackAnnotationSwitch.setWhichChild(Switch.CHILD_ALL);
staticFrontAnnotationSwitch.setWhichChild(Switch.CHILD_ALL);
dynamicFrontAnnotationSwitch.setWhichChild(Switch.CHILD_ALL);
} else {
staticBackAnnotationSwitch.setWhichChild(Switch.CHILD_NONE);
dynamicBackAnnotationSwitch.setWhichChild(Switch.CHILD_NONE);
staticFrontAnnotationSwitch.setWhichChild(Switch.CHILD_NONE);
dynamicFrontAnnotationSwitch.setWhichChild(Switch.CHILD_NONE);
}
if (perspectiveAttr.getValue()) {
view.setProjectionPolicy(View.PERSPECTIVE_PROJECTION);
} else {
view.setProjectionPolicy(View.PARALLEL_PROJECTION);
}
if (renderer != renderers[rendererAttr.getValue()]) {
// TODO: renderer.clear();
// TODO: handle gui
try {
System.out.println("Clearing Attached : VolRend-doUpdate()");
clearAttach();
} catch (Exception e) {
e.printStackTrace();
}
renderer = renderers[rendererAttr.getValue()];
renderer.attach(dynamicAttachGroup, staticAttachGroup);
}
try {
renderer.update();
annotations.update();
} catch (Exception e) {
e.printStackTrace();
} catch (OutOfMemoryError e) {
JOptionPane.showMessageDialog(
null, "Ran out of memory!", "Render Error", JOptionPane.ERROR_MESSAGE);
}
int newVolEditId;
if ((newVolEditId = volume.update()) != volEditId) {
updateCenter(volume.minCoord, volume.maxCoord);
newVolEditId = volEditId;
}
eyePtChanged();
canvas.startRenderer();
}
BranchGroup createSceneGraph() {
Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
Vector3f lDir1 = new Vector3f(0.0f, 0.0f, 1.0f);
Color3f alColor = new Color3f(1.0f, 1.0f, 1.0f);
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Create a transform group to scale the
// whole scene
TransformGroup scaleGroup = new TransformGroup();
Transform3D scaleXform = new Transform3D();
double scale = 1;
scaleXform.setScale(scale);
scaleGroup.setTransform(scaleXform);
objRoot.addChild(scaleGroup);
// Create the static ordered group
OrderedGroup scaleOGroup = new OrderedGroup();
scaleGroup.addChild(scaleOGroup);
// Create the static annotation group
staticBackAnnotationSwitch = new Switch();
staticBackAnnotationSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
staticBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_READ);
staticBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_WRITE);
staticBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_EXTEND);
scaleOGroup.addChild(staticBackAnnotationSwitch);
// Create the static attachment group
staticAttachGroup = new Group();
staticAttachGroup.setCapability(Group.ALLOW_CHILDREN_READ);
staticAttachGroup.setCapability(Group.ALLOW_CHILDREN_WRITE);
staticAttachGroup.setCapability(Group.ALLOW_CHILDREN_EXTEND);
scaleOGroup.addChild(staticAttachGroup);
// Create a TG at the origin
objectGroup = new TransformGroup();
// Enable the TRANSFORM_WRITE capability
// so that our behavior code
// can modify it at runtime. Add it to the
// root of the subgraph.
//
objectGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objectGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
scaleOGroup.addChild(objectGroup);
// Create the static annotation group
staticFrontAnnotationSwitch = new Switch();
staticFrontAnnotationSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
staticFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_READ);
staticFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_WRITE);
staticFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_EXTEND);
scaleOGroup.addChild(staticFrontAnnotationSwitch);
// added after objectGroup so it shows up
// in front
// Create the transform group node and
// initialize it center the
// object around the origin
centerGroup = new TransformGroup();
updateCenter(new Point3d(0.0, 0.0, 0.0), new Point3d(1.0, 1.0, 1.0));
centerGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objectGroup.addChild(centerGroup);
// Set up the annotation/volume/annotation
// sandwitch
OrderedGroup centerOGroup = new OrderedGroup();
centerGroup.addChild(centerOGroup);
// create the back dynamic annotation
// point
dynamicBackAnnotationSwitch = new Switch(Switch.CHILD_ALL);
dynamicBackAnnotationSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
dynamicBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_READ);
dynamicBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_WRITE);
dynamicBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_EXTEND);
centerOGroup.addChild(dynamicBackAnnotationSwitch);
// create the dynamic attachment point
dynamicAttachGroup = new Group();
dynamicAttachGroup.setCapability(Group.ALLOW_CHILDREN_READ);
dynamicAttachGroup.setCapability(Group.ALLOW_CHILDREN_WRITE);
dynamicAttachGroup.setCapability(Group.ALLOW_CHILDREN_EXTEND);
centerOGroup.addChild(dynamicAttachGroup);
// create the front dynamic annotation
// point
dynamicFrontAnnotationSwitch = new Switch(Switch.CHILD_ALL);
dynamicFrontAnnotationSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
dynamicFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_READ);
dynamicFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_WRITE);
dynamicFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_EXTEND);
centerOGroup.addChild(dynamicFrontAnnotationSwitch);
// Create the annotations
Annotations annotations = new Annotations(view, context, volume);
annotations.attachBack(dynamicBackAnnotationSwitch, staticBackAnnotationSwitch);
annotations.attach(dynamicFrontAnnotationSwitch, staticFrontAnnotationSwitch);
coordSwitch = new Switch(Switch.CHILD_ALL);
coordSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
coordSwitch.addChild(new CoordSys(0.2, new Vector3d(-0.1, -0.1, -0.1)));
centerGroup.addChild(coordSwitch);
BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 10000000.0);
FirstFramesBehavior ff = new FirstFramesBehavior(this);
ff.setSchedulingBounds(bounds);
objRoot.addChild(ff);
updateBehavior = new UpdateBehavior();
updateBehavior.setSchedulingBounds(bounds);
objRoot.addChild(updateBehavior);
// ExitKeyBehavior eb = new
// ExitKeyBehavior();
// eb.setSchedulingBounds(bounds);
// objRoot.addChild(eb);
BranchGroup trueRoot = new BranchGroup();
TransformGroup trueTransform = new TransformGroup();
trueTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
trueTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
trueRoot.addChild(trueTransform);
trueTransform.addChild(objRoot);
// MouseTranslate mt = new
// MouseTranslate();
// mt.setupCallback(this);
// mt.setTransformGroup(trueTransform);
// mt.setSchedulingBounds(bounds);
// trueRoot.addChild(mt);
MouseZoom mz = new MouseZoom();
mz.setupCallback(this);
mz.setTransformGroup(trueTransform);
mz.setSchedulingBounds(bounds);
trueRoot.addChild(mz);
MouseRotate mr = new MouseRotate();
mr.setupCallback(this);
mr.setTransformGroup(trueTransform);
mr.setSchedulingBounds(bounds);
mr.setFactor(0.007);
trueRoot.addChild(mr);
// trueTransform.addChild(objRoot);
// trueRoot.addChild(trueTransform);
return trueRoot;
}
public Annotations(View view, Context context, Volume vol) {
super(view, context, vol);
viewPtAttr = (CoordAttr) context.getAttr("Vol Ref Pt");
perspectiveAttr = (ToggleAttr) context.getAttr("Perspective");
boxAttr[PLUS_X] = (ToggleAttr) context.getAttr("Plus X Box");
boxAttr[PLUS_Y] = (ToggleAttr) context.getAttr("Plus Y Box");
boxAttr[PLUS_Z] = (ToggleAttr) context.getAttr("Plus Z Box");
boxAttr[MINUS_X] = (ToggleAttr) context.getAttr("Minus X Box");
boxAttr[MINUS_Y] = (ToggleAttr) context.getAttr("Minus Y Box");
boxAttr[MINUS_Z] = (ToggleAttr) context.getAttr("Minus Z Box");
imageAttr[PLUS_X] = (StringAttr) context.getAttr("Plus X Image");
imageAttr[PLUS_Y] = (StringAttr) context.getAttr("Plus Y Image");
imageAttr[PLUS_Z] = (StringAttr) context.getAttr("Plus Z Image");
imageAttr[MINUS_X] = (StringAttr) context.getAttr("Minus X Image");
imageAttr[MINUS_Y] = (StringAttr) context.getAttr("Minus Y Image");
imageAttr[MINUS_Z] = (StringAttr) context.getAttr("Minus Z Image");
volume = vol;
frontRoot = new BranchGroup();
frontRoot.setCapability(BranchGroup.ALLOW_DETACH);
frontRoot.setCapability(Node.ALLOW_LOCAL_TO_VWORLD_READ);
backRoot = new BranchGroup();
backRoot.setCapability(BranchGroup.ALLOW_DETACH);
backRoot.setCapability(Node.ALLOW_LOCAL_TO_VWORLD_READ);
int stripLength[] = new int[1];
stripLength[0] = 5;
ColoringAttributes ca = new ColoringAttributes(1.0f, 0.0f, 0.0f, ColoringAttributes.SHADE_FLAT);
Appearance boxAppearance = new Appearance();
boxAppearance.setColoringAttributes(ca);
TexCoord2f[] texCoords = new TexCoord2f[4];
texCoords[0] = new TexCoord2f(0.0f, 0.0f);
texCoords[1] = new TexCoord2f(1.0f, 0.0f);
texCoords[2] = new TexCoord2f(1.0f, 1.0f);
texCoords[3] = new TexCoord2f(0.0f, 1.0f);
TransparencyAttributes ta = new TransparencyAttributes(TransparencyAttributes.BLENDED, 0.0f);
TextureAttributes texAttr = new TextureAttributes();
texAttr.setTextureMode(TextureAttributes.MODULATE);
PolygonAttributes pa = new PolygonAttributes();
pa.setCullFace(PolygonAttributes.CULL_NONE);
RenderingAttributes ra = new RenderingAttributes();
ra.setDepthBufferEnable(false);
for (int i = 0; i < 6; i++) {
faceGroup[i] = new SharedGroup();
frontAnnotations.addChild(new Link(faceGroup[i]));
backAnnotations.addChild(new Link(faceGroup[i]));
boxLine[i] = new LineStripArray(5, GeometryArray.COORDINATES, stripLength);
boxLine[i].setCoordinates(0, volume.facePoints[i], 0, 4);
boxLine[i].setCoordinate(4, volume.facePoints[i][0]);
boxLine[i].setCapability(GeometryArray.ALLOW_COORDINATE_WRITE);
Shape3D box = new Shape3D(boxLine[i], boxAppearance);
boxSwitch[i] = new Switch();
boxSwitch[i].setCapability(Switch.ALLOW_SWITCH_WRITE);
boxSwitch[i].addChild(box);
if (boxAttr[i].getValue() == true) {
boxSwitch[i].setWhichChild(Switch.CHILD_ALL);
} else {
boxSwitch[i].setWhichChild(Switch.CHILD_NONE);
}
faceGroup[i].addChild(boxSwitch[i]);
imageQuad[i] =
new QuadArray(4, GeometryArray.COORDINATES | GeometryArray.TEXTURE_COORDINATE_2);
imageQuad[i].setCapability(GeometryArray.ALLOW_COORDINATE_WRITE);
imageQuad[i].setCoordinates(0, volume.facePoints[i], 0, 4);
imageQuad[i].setTextureCoordinates(0, 0, texCoords, 0, 4);
imageAppearance[i] = new Appearance();
imageAppearance[i].setTransparencyAttributes(ta);
imageAppearance[i].setPolygonAttributes(pa);
imageAppearance[i].setRenderingAttributes(ra);
imageAppearance[i].setTextureAttributes(texAttr);
imageAppearance[i].setCapability(Appearance.ALLOW_TEXTURE_WRITE);
imageSwitch[i] = new Switch();
imageSwitch[i].setCapability(Switch.ALLOW_SWITCH_WRITE);
imageFile[i] = imageAttr[i].getValue();
if (imageFile[i].length() > 0) {
try {
URL imageURL = new URL(context.getCodeBase().toString() + imageFile[i]);
imageTexture[i] = new TextureLoader(imageURL, null).getTexture();
} catch (Exception e) {
System.err.println("Error " + e + " loading image:" + imageFile[i] + ".");
}
}
imageAppearance[i].setTexture(imageTexture[i]);
if (imageTexture[i] != null) {
imageSwitch[i].setWhichChild(Switch.CHILD_ALL);
} else {
imageSwitch[i].setWhichChild(Switch.CHILD_NONE);
}
Shape3D imageShape = new Shape3D(imageQuad[i], imageAppearance[i]);
imageSwitch[i].addChild(imageShape);
faceGroup[i].addChild(imageSwitch[i]);
}
frontAnnotations.setCapability(Switch.ALLOW_SWITCH_WRITE);
backAnnotations.setCapability(Switch.ALLOW_SWITCH_WRITE);
faceNormal[PLUS_X] = new Vector3d(1.0, 0.0, 0.0);
faceCenter[PLUS_X] = new Point3d(volume.maxCoord.x, 0.0, 0.0);
faceNormal[PLUS_Y] = new Vector3d(0.0, 1.0, 0.0);
faceCenter[PLUS_Y] = new Point3d(0.0, volume.maxCoord.y, 0.0);
faceNormal[PLUS_Z] = new Vector3d(0.0, 0.0, 1.0);
faceCenter[PLUS_Z] = new Point3d(0.0, 0.0, volume.maxCoord.z);
faceNormal[MINUS_X] = new Vector3d(-1.0, 0.0, 0.0);
faceCenter[MINUS_X] = new Point3d(volume.minCoord.x, 0.0, 0.0);
faceNormal[MINUS_Y] = new Vector3d(0.0, -1.0, 0.0);
faceCenter[MINUS_Y] = new Point3d(0.0, volume.minCoord.y, 0.0);
faceNormal[MINUS_Z] = new Vector3d(0.0, 0.0, -1.0);
faceCenter[MINUS_Z] = new Point3d(0.0, 0.0, volume.minCoord.z);
volCenter.x = (volume.maxCoord.x + volume.minCoord.x) / 2;
volCenter.y = (volume.maxCoord.y + volume.minCoord.y) / 2;
volCenter.z = (volume.maxCoord.z + volume.minCoord.z) / 2;
frontRoot.addChild(frontAnnotations);
backRoot.addChild(backAnnotations);
}
