import org.jcae.opencascade.jni.TopoDS_Shape;\r
\r
public class OCCTTool {\r
-public static double getBoundingBoxDiagonal(TopoDS_Shape shape) {\r
- \r
- double []min = new double[3];\r
- double []max = new double[3];\r
- double []mmm = new double[3];\r
- double []bb = new double[6];\r
- \r
- // Compute bounding box:\r
- //----------------------\r
- Bnd_Box boundingBox = new Bnd_Box();\r
- BRepBndLib.add(shape, boundingBox);\r
- boundingBox.get(bb);\r
- boundingBox.delete();\r
- \r
- min[0] = bb[0]; min[1] = bb[1]; min[2] = bb[2];\r
- max[0] = bb[3]; max[1] = bb[4]; max[2] = bb[5];\r
-\r
- //System.out.println("Bounding box: "+"[ "+min[0]+", "+min[1]+", " + min[2] + "] x "+"[ " +max[0] +", " +max[1] +", " +max[2] +"]");\r
-\r
- // The length of the space diagonal of cuboid\r
- for (int i = 0; i < 3; i++) mmm[i] = max[i] - min[i];\r
- double length = Math.sqrt(mmm[2]*mmm[2] + mmm[1]*mmm[1] + mmm[0]*mmm[0]);\r
-\r
- double t0 = mmm[0]*mmm[0];\r
- double t1 = mmm[1]*mmm[1];\r
- double t2 = mmm[2]*mmm[2];\r
-\r
- double tol = 1.0e-6 * length;\r
-\r
- if((t0 < tol) || (t1 < tol) || (t2 < tol)) {\r
- System.out.println("Shape seems to be 2D. Unable to proceed. Aborting.");\r
- return 0;\r
- }\r
- return length;\r
- }\r
- \r
- public static double getBoundingBoxVolume(TopoDS_Shape shape) {\r
- \r
- double []min = new double[3];\r
- double []max = new double[3];\r
- double []mmm = new double[3];\r
- double []bb = new double[6];\r
- \r
- // Compute bounding box:\r
- //----------------------\r
- Bnd_Box boundingBox = new Bnd_Box();\r
- BRepBndLib.add(shape, boundingBox);\r
- boundingBox.get(bb);\r
- boundingBox.delete();\r
- \r
- min[0] = bb[0]; min[1] = bb[1]; min[2] = bb[2];\r
- max[0] = bb[3]; max[1] = bb[4]; max[2] = bb[5];\r
-\r
- //System.out.println("Bounding box: "+"[ "+min[0]+", "+min[1]+", " + min[2] + "] x "+"[ " +max[0] +", " +max[1] +", " +max[2] +"]");\r
-\r
- for (int i = 0; i < 3; i++) mmm[i] = max[i] - min[i];\r
- double vol = Math.sqrt(mmm[2]*mmm[1]*mmm[0]);\r
-\r
- return vol;\r
- }\r
- \r
- private static GProp_GProps getGProp(TopoDS_Shape shape) {\r
- GProp_GProps GSystem = null;\r
+ public static double getBoundingBoxDiagonal(TopoDS_Shape shape) {\r
+\r
+ double []min = new double[3];\r
+ double []max = new double[3];\r
+ double []mmm = new double[3];\r
+ double []bb = new double[6];\r
+\r
+ // Compute bounding box:\r
+ //----------------------\r
+ Bnd_Box boundingBox = new Bnd_Box();\r
+ BRepBndLib.add(shape, boundingBox);\r
+ boundingBox.get(bb);\r
+ boundingBox.delete();\r
+\r
+ min[0] = bb[0]; min[1] = bb[1]; min[2] = bb[2];\r
+ max[0] = bb[3]; max[1] = bb[4]; max[2] = bb[5];\r
+\r
+ //System.out.println("Bounding box: "+"[ "+min[0]+", "+min[1]+", " + min[2] + "] x "+"[ " +max[0] +", " +max[1] +", " +max[2] +"]");\r
+\r
+ // The length of the space diagonal of cuboid\r
+ for (int i = 0; i < 3; i++) mmm[i] = max[i] - min[i];\r
+ double length = Math.sqrt(mmm[2]*mmm[2] + mmm[1]*mmm[1] + mmm[0]*mmm[0]);\r
+\r
+ double t0 = mmm[0]*mmm[0];\r
+ double t1 = mmm[1]*mmm[1];\r
+ double t2 = mmm[2]*mmm[2];\r
+\r
+ double tol = 1.0e-6 * length;\r
+\r
+ if((t0 < tol) || (t1 < tol) || (t2 < tol)) {\r
+ System.out.println("Shape seems to be 2D. Unable to proceed. Aborting.");\r
+ return 0;\r
+ }\r
+ return length;\r
+ }\r
+\r
+ public static double getBoundingBoxVolume(TopoDS_Shape shape) {\r
+\r
+ double []min = new double[3];\r
+ double []max = new double[3];\r
+ double []mmm = new double[3];\r
+ double []bb = new double[6];\r
+\r
+ // Compute bounding box:\r
+ //----------------------\r
+ Bnd_Box boundingBox = new Bnd_Box();\r
+ BRepBndLib.add(shape, boundingBox);\r
+ boundingBox.get(bb);\r
+ boundingBox.delete();\r
+\r
+ min[0] = bb[0]; min[1] = bb[1]; min[2] = bb[2];\r
+ max[0] = bb[3]; max[1] = bb[4]; max[2] = bb[5];\r
+\r
+ //System.out.println("Bounding box: "+"[ "+min[0]+", "+min[1]+", " + min[2] + "] x "+"[ " +max[0] +", " +max[1] +", " +max[2] +"]");\r
+\r
+ for (int i = 0; i < 3; i++) mmm[i] = max[i] - min[i];\r
+ double vol = Math.sqrt(mmm[2]*mmm[1]*mmm[0]);\r
+\r
+ return vol;\r
+ }\r
+\r
+ private static GProp_GProps getGProp(TopoDS_Shape shape) {\r
+ GProp_GProps GSystem = null;\r
int type = 0;\r
if (type == 0) {\r
GSystem = new GProp_GProps();\r
BRepGProp.volumePropertiesGK(shape, GSystem, 0.001);\r
}\r
return GSystem;\r
- }\r
- \r
+ }\r
+\r
public static double getMass( TopoDS_Shape shape) {\r
- \r
+\r
GProp_GProps GSystem = getGProp(shape);\r
- \r
- \r
+\r
+\r
double mass = GSystem.mass();\r
//System.out.println("Mass " + mass);\r
GSystem.delete();\r
return mass;\r
}\r
- \r
+\r
public static double[] getInertia(TopoDS_Shape shape) {\r
GProp_GProps GSystem = getGProp(shape);\r
- \r
+\r
double inertia[] = GSystem.matrixOfInertia();\r
GSystem.delete();\r
return inertia;\r
}\r
- \r
+\r
public static double[] getCentreOfMass(TopoDS_Shape shape) {\r
GProp_GProps GSystem = getGProp(shape);\r
- \r
+\r
double cm[] = GSystem.centreOfMass();\r
GSystem.delete();\r
return cm;\r
}\r
- \r
+\r
public static boolean appendToMesh (TopoDS_Face face, List<Double> meshPoints, List<Integer> meshTriangles)\r
- {\r
- TopLoc_Location Location = new TopLoc_Location();\r
- \r
- Poly_Triangulation triangulation = BRep_Tool.triangulation(face, Location);\r
-\r
- if(triangulation == null) {\r
- Location.delete();\r
- System.out.println("Encountered empty triangulation after face");\r
- return false;\r
- }\r
- \r
- boolean reverse = face.orientation()==TopAbs_Orientation.REVERSED;\r
- \r
- int lastPoint = meshPoints.size() / 3;\r
-\r
- int[]triangles = triangulation.triangles();\r
- double[]nodes = triangulation.nodes();\r
-\r
- int nofTriangles = triangulation.nbTriangles();\r
- int nofNodes = triangulation.nbNodes();\r
- \r
- \r
- triangulation.delete();\r
-\r
- if(nofTriangles < 1) {\r
- System.out.println("No triangles for mesh on face");\r
- Location.delete();\r
- return false;\r
- }\r
-\r
- if(nofNodes < 1) {\r
- System.out.println("No nodes for mesh on face:");\r
- Location.delete();\r
- return false;\r
- }\r
- \r
- for(int i = 0; i < nofTriangles; i++) \r
- {\r
- int n0, n1, n2; \r
- if (!reverse) {\r
- n0 = triangles[3 * i]; \r
- n1 = triangles[3 * i + 1]; \r
- n2 = triangles[3 * i + 2];\r
- } else {\r
- n0 = triangles[3 * i + 2]; \r
- n1 = triangles[3 * i + 1]; \r
- n2 = triangles[3 * i];\r
- }\r
- \r
- meshTriangles.add(n0 + lastPoint);\r
- meshTriangles.add(n1 + lastPoint);\r
- meshTriangles.add(n2 + lastPoint);\r
- }\r
-\r
- \r
- GP_Trsf transformation = Location.transformation();\r
- Location.delete();\r
-\r
- double d_mat[] = new double[16];\r
-\r
- transformation.getValues(d_mat);\r
- Matrix4d mat = new Matrix4d(d_mat);\r
- \r
- \r
- for(int i = 0; i < nofNodes; i++) { \r
-\r
- Point3d p = new Point3d(nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]);\r
- mat.transform(p);\r
-\r
- meshPoints.add(p.x);\r
- meshPoints.add(p.y);\r
- meshPoints.add(p.z);\r
- \r
- }\r
- \r
- transformation.delete();\r
- \r
- return true;\r
- }\r
+ {\r
+ TopLoc_Location Location = new TopLoc_Location();\r
+\r
+ Poly_Triangulation triangulation = BRep_Tool.triangulation(face, Location);\r
+\r
+ if(triangulation == null) {\r
+ Location.delete();\r
+ System.out.println("Encountered empty triangulation after face");\r
+ return false;\r
+ }\r
+\r
+ boolean reverse = face.orientation()==TopAbs_Orientation.REVERSED;\r
+\r
+ int lastPoint = meshPoints.size() / 3;\r
+\r
+ int[]triangles = triangulation.triangles();\r
+ double[]nodes = triangulation.nodes();\r
+\r
+ int nofTriangles = triangulation.nbTriangles();\r
+ int nofNodes = triangulation.nbNodes();\r
+\r
+\r
+ triangulation.delete();\r
+\r
+ if(nofTriangles < 1) {\r
+ System.out.println("No triangles for mesh on face");\r
+ Location.delete();\r
+ return false;\r
+ }\r
+\r
+ if(nofNodes < 1) {\r
+ System.out.println("No nodes for mesh on face:");\r
+ Location.delete();\r
+ return false;\r
+ }\r
+\r
+ for(int i = 0; i < nofTriangles; i++) \r
+ {\r
+ int n0, n1, n2; \r
+ if (!reverse) {\r
+ n0 = triangles[3 * i]; \r
+ n1 = triangles[3 * i + 1]; \r
+ n2 = triangles[3 * i + 2];\r
+ } else {\r
+ n0 = triangles[3 * i + 2]; \r
+ n1 = triangles[3 * i + 1]; \r
+ n2 = triangles[3 * i];\r
+ }\r
+\r
+ meshTriangles.add(n0 + lastPoint);\r
+ meshTriangles.add(n1 + lastPoint);\r
+ meshTriangles.add(n2 + lastPoint);\r
+ }\r
+\r
+\r
+ GP_Trsf transformation = Location.transformation();\r
+ Location.delete();\r
+\r
+ double d_mat[] = new double[16];\r
+\r
+ transformation.getValues(d_mat);\r
+ Matrix4d mat = new Matrix4d(d_mat);\r
+\r
+\r
+ for(int i = 0; i < nofNodes; i++) { \r
+\r
+ Point3d p = new Point3d(nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]);\r
+ mat.transform(p);\r
+\r
+ meshPoints.add(p.x);\r
+ meshPoints.add(p.y);\r
+ meshPoints.add(p.z);\r
+\r
+ }\r
+\r
+ transformation.delete();\r
+\r
+ return true;\r
+ }\r
}\r
Code Review / simantics / 3d.git / blobdiff