private Geometry Triangle3DGeometry( Iterator<il.ac.idc.jdt.Triangle> triangles_iter, int num_of_triangles) { _triangle_arr = new TriangleArray(3 * num_of_triangles, TriangleArray.COORDINATES | TriangleArray.COLOR_3); int i = 0; while ((i < num_of_triangles) && (triangles_iter.hasNext())) { il.ac.idc.jdt.Triangle curr_triangle = triangles_iter.next(); if ((curr_triangle.getA() != null) && (curr_triangle.getB() != null) && (curr_triangle.getC() != null)) { _triangle_arr.setCoordinate( 3 * i, new Point3d( curr_triangle.getA().getX(), curr_triangle.getA().getY(), curr_triangle.getA().getZ())); _triangle_arr.setCoordinate( 3 * i + 1, new Point3d( curr_triangle.getB().getX(), curr_triangle.getB().getY(), curr_triangle.getB().getZ())); _triangle_arr.setCoordinate( 3 * i + 2, new Point3d( curr_triangle.getC().getX(), curr_triangle.getC().getY(), curr_triangle.getC().getZ())); _triangle_arr.setColor(3 * i, get_col_by_height((int) curr_triangle.getA().getZ())); _triangle_arr.setColor(3 * i + 1, get_col_by_height((int) curr_triangle.getB().getZ())); _triangle_arr.setColor(3 * i + 2, get_col_by_height((int) curr_triangle.getC().getZ())); i++; } } System.out.println("DEBUG INFO successfuly displayed " + i + " Triangles"); return _triangle_arr; }
/** * Build the 3D scene on a Java3D enabled draw. * * @param objRot the transform object */ @Override public void buildJava3DScene(TransformGroup objRot) { if (objRot == null) return; AtomInfo ai = AtomInfo.getInstance(); double xMin = gridProperty.getBoundingBox().getUpperLeft().getX(), yMin = gridProperty.getBoundingBox().getUpperLeft().getY(), zMin = gridProperty.getBoundingBox().getUpperLeft().getZ(); double f1, f2, f3; double[] functionValues = gridProperty.getFunctionValues(); double incInX = gridProperty.getXIncrement(), incInY = gridProperty.getYIncrement(), incInZ = gridProperty.getZIncrement(); int pointsAlongX = gridProperty.getNoOfPointsAlongX(), pointsAlongY = gridProperty.getNoOfPointsAlongY(), pointsAlongZ = gridProperty.getNoOfPointsAlongZ(); int i, j, k; Atom atom; String symbol; SphereTriSetGenerator stsg; Point3DI point1, point2, point3; int noOfAtoms = molecule.getNumberOfAtoms(); int pointsAlongSlice = pointsAlongY * pointsAlongZ; HashMap<String, SphereTriSetGenerator> triSetTableTmp = new HashMap<String, SphereTriSetGenerator>(5); if (noOfAtoms > largeMoleculeSize) triSetTableTmp = triSetTable; Matrix3D tmat = new Matrix3D(); tmat.unit(); TransformGroup surfaceScene = new TransformGroup(); for (int atomIndex = 0; atomIndex < noOfAtoms; atomIndex++) { atom = molecule.getAtom(atomIndex); // check to see if we are with in the bounding box? if (!gridProperty.getBoundingBox().contains(atom.getAtomCenter())) continue; symbol = atom.getSymbol(); if ((stsg = triSetTableTmp.get(symbol)) == null) { stsg = new SphereTriSetGenerator( atom.getAtomCenter(), ai.getVdwRadius(symbol), numberOfSphereDivisions); triSetTableTmp.put(symbol, stsg); } // end if // setup color Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f); Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f); Color3f objColor = new Color3f(colorMap.getInterpolatedColor(currentFunctionValue)); Appearance app = new Appearance(); Material mm = new Material(objColor, eColor, objColor, sColor, 100.0f); mm.setLightingEnable(true); app.setMaterial(mm); if (fillTransperency > 0) { app.setTransparencyAttributes( new TransparencyAttributes( TransparencyAttributes.NICEST, (float) (fillTransperency / 255.0))); } // end if int idx = 0; stsg.setTransform(tmat); stsg.setCenter(atom.getAtomCenter()); ArrayList<Point3d> validPoints = new ArrayList<Point3d>(); ArrayList<Color3f> validColors = new ArrayList<Color3f>(); while (true) { Triangle t = stsg.nextVisibleTriSet(); if (t == null) break; // first point point1 = t.getPoint1(); i = (int) Math.round(Math.abs((point1.getX() - xMin) / incInX)); j = (int) Math.round(Math.abs((point1.getY() - yMin) / incInY)); k = (int) Math.round(Math.abs((point1.getZ() - zMin) / incInZ)); if (i > pointsAlongX - 1) i = pointsAlongX - 1; if (j > pointsAlongY - 1) j = pointsAlongY - 1; if (k > pointsAlongZ - 1) k = pointsAlongZ - 1; f1 = functionValues[(i * pointsAlongSlice) + (j * pointsAlongZ) + k]; // second point point2 = t.getPoint2(); i = (int) Math.round(Math.abs((point2.getX() - xMin) / incInX)); j = (int) Math.round(Math.abs((point2.getY() - yMin) / incInY)); k = (int) Math.round(Math.abs((point2.getZ() - zMin) / incInZ)); if (i > pointsAlongX - 1) i = pointsAlongX - 1; if (j > pointsAlongY - 1) j = pointsAlongY - 1; if (k > pointsAlongZ - 1) k = pointsAlongZ - 1; f2 = functionValues[(i * pointsAlongSlice) + (j * pointsAlongZ) + k]; // third point point3 = t.getPoint3(); i = (int) Math.round(Math.abs((point3.getX() - xMin) / incInX)); j = (int) Math.round(Math.abs((point3.getY() - yMin) / incInY)); k = (int) Math.round(Math.abs((point3.getZ() - zMin) / incInZ)); if (i > pointsAlongX - 1) i = pointsAlongX - 1; if (j > pointsAlongY - 1) j = pointsAlongY - 1; if (k > pointsAlongZ - 1) k = pointsAlongZ - 1; f3 = functionValues[(i * pointsAlongSlice) + (j * pointsAlongZ) + k]; validPoints.add(new Point3d(point1.getX(), point1.getY(), point1.getZ())); validColors.add(new Color3f(colorMap.getInterpolatedColor(f1))); validPoints.add(new Point3d(point2.getX(), point2.getY(), point2.getZ())); validColors.add(new Color3f(colorMap.getInterpolatedColor(f2))); validPoints.add(new Point3d(point3.getX(), point3.getY(), point3.getZ())); validColors.add(new Color3f(colorMap.getInterpolatedColor(f3))); } // end while TriangleArray ta = new TriangleArray(validPoints.size(), GeometryArray.COORDINATES | GeometryArray.COLOR_3); for (idx = 0; idx < validPoints.size(); idx++) { ta.setCoordinate(idx, validPoints.get(idx)); ta.setColor(idx, validColors.get(idx)); } validColors = null; validPoints = null; GeometryInfo gi = new GeometryInfo(ta); gi.compact(); gi.recomputeIndices(); // generate normals NormalGenerator ng = new NormalGenerator(); ng.generateNormals(gi); // stripify Stripifier st = new Stripifier(); st.stripify(gi); surfaceScene.addChild(new Shape3D(gi.getGeometryArray(), app)); } // end for if (showBoundingBox) { boundingBox.setTransform(transform); boundingBox.applyTransforms(); (new ScreenCuboidJ3D(boundingBox)).buildJava3DScene(surfaceScene); } // end if objRot.addChild(surfaceScene); }