-/*******************************************************************************\r
- * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
- * Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.opencascade.vtk;\r
-\r
-import java.util.List;\r
-\r
-import javax.vecmath.Matrix4d;\r
-import javax.vecmath.Point3d;\r
-\r
-import org.jcae.opencascade.jni.BRepMesh_IncrementalMesh;\r
-import org.jcae.opencascade.jni.BRep_Tool;\r
-import org.jcae.opencascade.jni.GP_Trsf;\r
-import org.jcae.opencascade.jni.Poly_Triangulation;\r
-import org.jcae.opencascade.jni.TopAbs_Orientation;\r
-import org.jcae.opencascade.jni.TopAbs_ShapeEnum;\r
-import org.jcae.opencascade.jni.TopExp_Explorer;\r
-import org.jcae.opencascade.jni.TopLoc_Location;\r
-import org.jcae.opencascade.jni.TopoDS_Face;\r
-import org.jcae.opencascade.jni.TopoDS_Shape;\r
-import org.simantics.opencascade.OCCTTool;\r
-\r
-import vtk.vtkActor;\r
-import vtk.vtkAlgorithmOutput;\r
-import vtk.vtkAppendPolyData;\r
-import vtk.vtkAssembly;\r
-import vtk.vtkCleanPolyData;\r
-import vtk.vtkDataSetMapper;\r
-import vtk.vtkFeatureEdges;\r
-import vtk.vtkGlyph3D;\r
-import vtk.vtkIdList;\r
-import vtk.vtkPoints;\r
-import vtk.vtkPolyData;\r
-import vtk.vtkPolyDataMapper;\r
-import vtk.vtkPolyDataNormals;\r
-import vtk.vtkProp;\r
-import vtk.vtkPropCollection;\r
-import vtk.vtkProperty;\r
-import vtk.vtkSphereSource;\r
-import vtk.vtkTriangle;\r
-\r
-public class VTKOCCTool {\r
- public static vtkAssembly vtkTestAssembly() {\r
- vtkAssembly assemblies = new vtkAssembly();\r
- vtkPolyData partGrid = createTestPartGrid();\r
- gridToAssembly(assemblies, partGrid);\r
- return assemblies;\r
- }\r
- \r
- public static vtkAssembly vtkOCCShapeToAssembly(TopoDS_Shape shape) {\r
- double deflection = 0.001;\r
-\r
- if (deflection <= 0.0) {\r
- deflection = 0.0005;\r
- System.out.println("Bad value for deflection. Using: " + deflection);\r
- }\r
-\r
- // FIXME : leaks memory!\r
- //BRepTools.clean(shape);\r
-\r
- double mass = OCCTTool.getMass(shape);\r
-\r
- if (mass < 1.0e-12) {\r
- System.out.println("Non 3D-shape detected");\r
- System.out.println("The cad import features are currently limited to 3D models.");\r
- }\r
-\r
- double length = OCCTTool.getBoundingBoxDiagonal(shape);\r
- deflection *= length; // use relative units\r
-\r
- BRepMesh_IncrementalMesh mesh = new BRepMesh_IncrementalMesh(shape,deflection);\r
-\r
- int faceNumber = 0;\r
- TopExp_Explorer expFace = new TopExp_Explorer();\r
-\r
- vtkAssembly assemblies = new vtkAssembly();\r
- for (expFace.init(shape, TopAbs_ShapeEnum.FACE); expFace.more(); expFace.next()) {\r
- TopoDS_Face face = (TopoDS_Face) expFace.current();\r
- vtkPolyData partGrid = createPartGrid(face);\r
- face.delete();\r
- if (partGrid == null)\r
- continue;\r
- faceNumber++;\r
- //gridToAssembly(assemblies, partGrid, stlSurfaceData, stlEdgeData);\r
- gridToAssembly(assemblies, partGrid);\r
- \r
- }\r
- expFace.delete();\r
- mesh.delete();\r
-\r
- if (faceNumber == 0) {\r
- System.out\r
- .println("Cad import: error: no surface triangulation was generated.");\r
- return null;\r
- }\r
-\r
- return assemblies;\r
- }\r
- \r
- private static void gridToAssembly(vtkAssembly assemblies, vtkPolyData partGrid, vtkAppendPolyData stlSurfaceData, vtkAppendPolyData stlEdgeData) {\r
- \r
- double featureAngle = 30;\r
-\r
- \r
- vtkDataSetMapper partMapper = new vtkDataSetMapper();\r
- \r
- boolean computeNormals = true;\r
- boolean cleanPart = true;\r
- boolean mergePoints = false;\r
-\r
- vtkCleanPolyData partCleaner = new vtkCleanPolyData(); \r
- if (cleanPart)\r
- {\r
- partCleaner.SetInput(partGrid);\r
- if(mergePoints) {\r
- partCleaner.PointMergingOn();\r
- } else {\r
- partCleaner.PointMergingOff();\r
- }\r
- }\r
- \r
- if (computeNormals)\r
- {\r
- vtkPolyDataNormals partNormals = new vtkPolyDataNormals();\r
- \r
- if (cleanPart)\r
- {\r
- partNormals.SetInputConnection(partCleaner.GetOutputPort());\r
- }\r
- else partNormals.SetInput(partGrid);\r
- \r
- partNormals.SetFeatureAngle(featureAngle); // this do not have to be neccesarily called\r
- partMapper.SetInputConnection(partNormals.GetOutputPort());\r
- partNormals.Delete(); \r
- }\r
- else\r
- {\r
- if (cleanPart) partMapper.SetInputConnection(partCleaner.GetOutputPort()); // metoda 2, ne tak pekne, viz http://www.codeguru.com/cpp/g-m/opengl/article.php/c2681\r
- else partMapper.SetInput(partGrid); // metoda 1, ne tak pekne stinovani, viz: http://www.codeguru.com/cpp/g-m/opengl/article.php/c2681\r
- }\r
- partMapper.ScalarVisibilityOn();\r
- \r
- vtkActor partActor = new vtkActor();\r
-\r
- partActor.SetPickable(1);\r
- partActor.GetProperty().SetColor(1, 1, 0);\r
- partActor.SetMapper(partMapper);\r
- \r
- // EDGES OF PARTS DETECTION\r
- vtkFeatureEdges partEdges = new vtkFeatureEdges();\r
- if (cleanPart) partEdges.SetInputConnection(partCleaner.GetOutputPort());\r
- else partEdges.SetInput(partGrid); \r
- partEdges.SetFeatureAngle(featureAngle); // this do not have to be neccesarily called\r
- partEdges.FeatureEdgesOn();\r
- partEdges.BoundaryEdgesOn();\r
- partEdges.NonManifoldEdgesOn();\r
- partEdges.ManifoldEdgesOn();\r
-\r
- vtkDataSetMapper partEdgesMapper = new vtkDataSetMapper();\r
- partEdgesMapper.SetInputConnection(partEdges.GetOutputPort());\r
- partEdgesMapper.SetResolveCoincidentTopologyToPolygonOffset();\r
- partEdgesMapper.ScalarVisibilityOff();\r
- \r
- vtkActor partEdgesActor = new vtkActor();\r
- partEdgesActor.SetPickable(0);\r
- partEdgesActor.GetProperty().SetColor(1, 0, 1);\r
- partEdgesActor.SetMapper(partEdgesMapper);\r
- \r
-\r
- // Add triangles and edges to STL structures:\r
- //--------------------------------------------\r
- if (cleanPart) stlSurfaceData.AddInput(partCleaner.GetOutput());\r
- else stlSurfaceData.AddInput(partGrid);\r
- stlEdgeData.AddInput(partEdges.GetOutput());\r
- \r
- assemblies.AddPart(partActor);\r
- assemblies.AddPart(partEdgesActor); \r
- \r
- // Clean up:\r
- //----------\r
- partEdgesActor.Delete();\r
- partEdgesMapper.Delete();\r
- partEdges.Delete();\r
- partActor.Delete();\r
- partMapper.Delete();\r
- partGrid.Delete();\r
- partCleaner.Delete();\r
- }\r
-\r
-public static void gridToAssembly(vtkAssembly assemblies, vtkPolyData partGrid) {\r
- \r
- double featureAngle = 30;\r
-\r
- \r
- vtkDataSetMapper partMapper = new vtkDataSetMapper();\r
- \r
- boolean computeNormals = true;\r
- boolean cleanPart = false;\r
- boolean mergePoints = false;\r
-\r
- vtkCleanPolyData partCleaner = new vtkCleanPolyData(); \r
- if (cleanPart)\r
- {\r
- partCleaner.SetInput(partGrid);\r
- if(mergePoints) {\r
- partCleaner.PointMergingOn();\r
- } else {\r
- partCleaner.PointMergingOff();\r
- }\r
- }\r
- \r
- if (computeNormals)\r
- {\r
- vtkPolyDataNormals partNormals = new vtkPolyDataNormals();\r
- \r
- if (cleanPart)\r
- {\r
- vtkAlgorithmOutput out = partCleaner.GetOutputPort();\r
- partNormals.SetInputConnection(out);\r
- out.Delete();\r
- }\r
- else partNormals.SetInput(partGrid);\r
- \r
- partNormals.SetFeatureAngle(featureAngle); // this do not have to be neccesarily called\r
- vtkAlgorithmOutput out = partNormals.GetOutputPort();\r
- partMapper.SetInputConnection(out);\r
- out.Delete();\r
- partNormals.Delete(); \r
- }\r
- else\r
- {\r
- if (cleanPart) {\r
- vtkAlgorithmOutput out = partCleaner.GetOutputPort();\r
- partMapper.SetInputConnection(out); // metoda 2, ne tak pekne, viz http://www.codeguru.com/cpp/g-m/opengl/article.php/c2681\r
- out.Delete();\r
- }\r
- else partMapper.SetInput(partGrid); // metoda 1, ne tak pekne stinovani, viz: http://www.codeguru.com/cpp/g-m/opengl/article.php/c2681\r
- }\r
- partMapper.ScalarVisibilityOn();\r
- \r
- vtkActor partActor = new vtkActor();\r
- partActor.SetPickable(1);\r
- vtkProperty prop = partActor.GetProperty();\r
- prop.SetColor(1, 1, 0);\r
- prop.Delete();\r
- partActor.SetMapper(partMapper);\r
- \r
- assemblies.AddPart(partActor);\r
- \r
- {\r
- // EDGES OF PARTS DETECTION\r
- vtkFeatureEdges partEdges = new vtkFeatureEdges();\r
- if (cleanPart) {\r
- vtkAlgorithmOutput out = partCleaner.GetOutputPort();\r
- partEdges.SetInputConnection(out);\r
- out.Delete();\r
- }\r
- else partEdges.SetInput(partGrid); \r
- // partEdges.SetFeatureAngle(featureAngle); // this do not have to be neccesarily called\r
- partEdges.FeatureEdgesOn();\r
- partEdges.BoundaryEdgesOn();\r
- partEdges.NonManifoldEdgesOn();\r
- partEdges.ManifoldEdgesOn();\r
- \r
- vtkDataSetMapper partEdgesMapper = new vtkDataSetMapper();\r
- vtkAlgorithmOutput out = partEdges.GetOutputPort();\r
- partEdgesMapper.SetInputConnection(out);\r
- out.Delete();\r
- partEdgesMapper.SetResolveCoincidentTopologyToPolygonOffset();\r
- partEdgesMapper.ScalarVisibilityOff();\r
- \r
- vtkActor partEdgesActor = new vtkActor();\r
- \r
- prop = partEdgesActor.GetProperty();\r
- prop.SetColor(0, 0, 0);\r
- prop.SetLineWidth(2.0);\r
- prop.Delete();\r
- partEdgesActor.SetMapper(partEdgesMapper);\r
- partEdgesActor.PickableOn(); \r
- \r
- assemblies.AddPart(partEdgesActor); \r
- \r
- {\r
-\r
- EdgePointsFilter edgePoints = new EdgePointsFilter();\r
- \r
- \r
- out = partEdges.GetOutputPort();\r
- edgePoints.SetInputConnection(out);\r
- out.Delete();\r
- \r
-// vtkDataSetMapper partEdgePointsMapper = new vtkDataSetMapper();\r
-// out = edgePoints.GetOutputPort();\r
-// partEdgePointsMapper.SetInputConnection(out);\r
-// out.Delete();\r
- \r
-// vtkVertexGlyphFilter glyphFilter = new vtkVertexGlyphFilter();\r
-// out = edgePoints.GetOutputPort();\r
-// glyphFilter.SetInputConnection(out);\r
-// glyphFilter.Update();\r
-// out.Delete();\r
-// \r
-// vtkPolyDataMapper partEdgePointsMapper = new vtkPolyDataMapper();\r
-// out = glyphFilter.GetOutputPort();\r
-// partEdgePointsMapper.SetInputConnection(out);\r
-// out.Delete();\r
- \r
- vtkSphereSource sphereSource = new vtkSphereSource();\r
- vtkGlyph3D glyph3D = new vtkGlyph3D();\r
- out = sphereSource.GetOutputPort();\r
- glyph3D.SetSourceConnection(out);\r
- out.Delete();\r
- \r
- out = edgePoints.GetOutputPort();\r
- glyph3D.SetInputConnection(out);\r
- out.Delete();\r
- \r
- //glyph3D.ScalingOff();\r
- glyph3D.SetScaleFactor(0.03);\r
- \r
- glyph3D.Update();\r
- \r
- vtkPolyDataMapper partEdgePointsMapper = new vtkPolyDataMapper();\r
- out = glyph3D.GetOutputPort();\r
- partEdgePointsMapper.SetInputConnection(out);\r
- out.Delete();\r
- \r
- vtkActor edgePointsActor = new vtkActor();\r
- \r
- prop = edgePointsActor.GetProperty();\r
- prop.SetColor(0, 0, 1);\r
- //prop.SetPointSize(10.0);\r
- //prop.SetRepresentationToPoints();\r
- prop.Delete();\r
- edgePointsActor.SetMapper(partEdgePointsMapper);\r
- \r
- edgePointsActor.PickableOn();\r
- assemblies.AddPart(edgePointsActor);\r
- \r
- \r
- edgePointsActor.Delete();\r
- partEdgePointsMapper.Delete();\r
- // edgePoints.Delete();\r
- }\r
- // Clean up:\r
- //----------\r
- partEdgesActor.Delete();\r
- partEdgesMapper.Delete();\r
- partEdges.Delete();\r
- }\r
- \r
- partActor.Delete();\r
- partMapper.Delete();\r
- partGrid.Delete();\r
- partCleaner.Delete();\r
-}\r
- \r
- \r
- \r
- public static vtkPolyData createPartGrid ( TopoDS_Face face)\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 null;\r
- }\r
- \r
- boolean reverse = face.orientation()==TopAbs_Orientation.REVERSED;\r
-\r
- int[]triangles = triangulation.triangles();\r
- double[]nodes = triangulation.nodes();\r
-\r
- int nofTriangles = triangulation.nbTriangles();\r
- int nofNodes = triangulation.nbNodes();\r
- \r
- triangulation.delete();\r
-\r
- if(nofTriangles < 1) {\r
- System.out.println("No triangles for mesh on face");\r
- Location.delete();\r
- return null;\r
- }\r
-\r
- if(nofNodes < 1) {\r
- System.out.println("No nodes for mesh on face:");\r
- Location.delete();\r
- return null;\r
- }\r
- //System.out.println("v " + nofNodes + " t " +nofTriangles);\r
- vtkPolyData partGrid = new vtkPolyData();\r
- partGrid.Allocate(nofTriangles, nofTriangles);\r
-\r
- vtkTriangle triangle = new vtkTriangle();\r
- vtkIdList list = triangle.GetPointIds();\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
- list.SetId(0, n0);\r
- list.SetId(1, n1);\r
- list.SetId(2, n2);\r
- partGrid.InsertNextCell(triangle.GetCellType(), list);\r
- \r
- }\r
- list.Delete();\r
- triangle.Delete(); \r
- \r
- GP_Trsf transformation = Location.transformation();\r
- Location.delete();\r
-\r
- double d_mat[] = new double[16];\r
- double d_p[] = new double[3];\r
- transformation.getValues(d_mat);\r
- Matrix4d mat = new Matrix4d(d_mat);\r
- \r
- vtkPoints partPoints = new vtkPoints();\r
- \r
- for(int i = 0; i < nofNodes; i++) { \r
- // FIXME: GP_Trsf.transform(double[]) leaks memory\r
- \r
- //double xyz[] = new double[]{nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]}; \r
- //transformation.transforms(xyz);\r
- //partPoints.InsertPoint(i, xyz);\r
- Point3d p = new Point3d(nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]);\r
- mat.transform(p);\r
- d_p[0] = p.x;\r
- d_p[1] = p.y;\r
- d_p[2] = p.z;\r
- partPoints.InsertPoint(i, d_p);\r
- }\r
- \r
- transformation.delete();\r
- \r
- partGrid.SetPoints(partPoints);\r
- partPoints.Delete();\r
- \r
- return partGrid;\r
- }\r
- \r
- \r
- \r
- public static vtkPolyData createPartGrid ( List<Double> meshPoints, List<Integer> meshTriangles)\r
- {\r
- \r
- \r
- \r
-\r
- \r
- int nofTriangles = meshTriangles.size() / 3;\r
- int nofNodes = meshPoints.size() /3;\r
- \r
- \r
- if(nofTriangles < 1) {\r
- System.out.println("No triangles for mesh on face");\r
- return null;\r
- }\r
-\r
- if(nofNodes < 1) {\r
- System.out.println("No nodes for mesh on face:");\r
- return null;\r
- }\r
- //System.out.println("v " + nofNodes + " t " +nofTriangles);\r
- vtkPolyData partGrid = new vtkPolyData();\r
- partGrid.Allocate(nofTriangles, nofTriangles);\r
-\r
- vtkTriangle triangle = new vtkTriangle();\r
- vtkIdList list = triangle.GetPointIds();\r
- for(int i = 0; i < nofTriangles; i++) \r
- {\r
- int n0, n1, n2; \r
- n0 = meshTriangles.get(3 * i); \r
- n1 = meshTriangles.get(3 * i + 1);\r
- n2 = meshTriangles.get(3 * i + 2); \r
-\r
- \r
- list.SetId(0, n0);\r
- list.SetId(1, n1);\r
- list.SetId(2, n2);\r
- partGrid.InsertNextCell(triangle.GetCellType(), list);\r
- \r
- }\r
- list.Delete();\r
- triangle.Delete(); \r
- \r
-\r
-\r
- double d_p[] = new double[3];\r
-\r
- \r
- vtkPoints partPoints = new vtkPoints();\r
- \r
- for(int i = 0; i < nofNodes; i++) { \r
-\r
- d_p[0] = meshPoints.get(3*i);\r
- d_p[1] = meshPoints.get(3*i+1);\r
- d_p[2] = meshPoints.get(3*i+2);\r
- partPoints.InsertPoint(i, d_p);\r
- }\r
- \r
- partGrid.SetPoints(partPoints);\r
- partPoints.Delete();\r
- \r
- return partGrid;\r
- }\r
- \r
- private static vtkPolyData createTestPartGrid ()\r
- {\r
- int size = 64;\r
- \r
- double[] nodes = new double[(size+1)*(size+1)*3];\r
- int[] triangles = new int[3 * size * size * 2];\r
-\r
- double es = 1.0;\r
- for (int i = 0; i <= size; i++) {\r
- for (int j = 0; j <= size; j++) {\r
- int index = j * size + i;\r
- index *= 3;\r
- double x = (double)i * es;\r
- double y = (Math.sin((double)i/(double)size) + Math.sin((double)j/(double)size)) * es;\r
- double z = (double)j * es;\r
- nodes[index] = x;\r
- nodes[index+1] = y;\r
- nodes[index+2] = z;\r
- }\r
- }\r
- \r
- for (int i = 0; i < size; i++) {\r
- for (int j = 0; j < size; j++) {\r
- int index = j * size + i;\r
- index *= 3;\r
- index *= 2;\r
- triangles[index ] = (j * (size+1) + i );\r
- triangles[index+1] = (j * (size+1) + i+1);\r
- triangles[index+2] = ((j+1) * (size+1) + i );\r
- triangles[index+3] = ((j+1) * (size+1) + i );\r
- triangles[index+4] = ((j ) * (size+1) + i +1 );\r
- triangles[index+5] = ((j+1) * (size+1) + i +1 );\r
- }\r
- }\r
-\r
- int nofTriangles = triangles.length / 3;\r
- int nofNodes = nodes.length / 3;\r
-\r
- if(nofTriangles < 1) {\r
- \r
- return null;\r
- }\r
-\r
- if(nofNodes < 1) {\r
- \r
- return null;\r
- }\r
- //System.out.println("v " + nofNodes + " t " +nofTriangles);\r
- vtkPolyData partGrid = new vtkPolyData();\r
- partGrid.Allocate(nofTriangles, nofTriangles);\r
-\r
- vtkTriangle triangle = new vtkTriangle();\r
- vtkIdList list = triangle.GetPointIds();\r
- for(int i = 0; i < nofTriangles; i++) \r
- {\r
- int n0, n1, n2; \r
- n0 = triangles[3 * i]; n1 = triangles[3 * i + 1]; n2 = triangles[3 * i + 2]; // triangles(i).Get(n0, n1, n2);\r
-\r
-// if(face.orientation() != TopAbs_Orientation.FORWARD) {\r
-// int tmp = n2; n2 = n1; n1 = tmp;\r
-// }\r
- \r
- list.SetId(0, n0);\r
- list.SetId(1, n1);\r
- list.SetId(2, n2);\r
- partGrid.InsertNextCell(triangle.GetCellType(), list);\r
- \r
- }\r
- list.Delete();\r
- triangle.Delete(); \r
-\r
- vtkPoints partPoints = new vtkPoints();\r
- for(int i = 0; i < nofNodes; i++) { \r
- double xyz[] = new double[]{nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]}; \r
- partPoints.InsertPoint(i, xyz);\r
- }\r
- \r
- partGrid.SetPoints(partPoints);\r
- \r
- partPoints.Delete();\r
-\r
- return partGrid;\r
- }\r
- \r
- public static void test() {\r
- TopoDS_Shape shape = null;\r
- //shape = OccTriangulator.makeCylinder(new double[]{0,0,0}, new double[]{0,1,0}, 1, 1);\r
- for (int t = 0; t < 5000; t++) {\r
- //shape = OccTriangulator.makeCylinder(new double[]{0,0,0}, new double[]{0,1,0}, 1, 1);\r
- int test = 2;\r
- if (test == 0) {\r
- vtkAssembly ass = VTKOCCTool.vtkOCCShapeToAssembly(shape);\r
- vtkPropCollection col;\r
- col = ass.GetParts();\r
- for (int i = 0; i < col.GetNumberOfItems(); i++)\r
- {\r
- vtkProp prop = (vtkProp) col.GetItemAsObject(i);\r
- //System.out.println(prop.Print());\r
- prop.Delete();\r
- }\r
- col.Delete();\r
- ass.Delete();\r
- }\r
- else if (test == 1) {\r
- //BRepTools.clean(shape);\r
- \r
- \r
- vtkAssembly ass = new vtkAssembly();\r
- \r
- double vol = OCCTTool.getBoundingBoxDiagonal(shape);\r
- double d = 0.001 * vol;\r
- BRepMesh_IncrementalMesh mesh = new BRepMesh_IncrementalMesh(shape,d);\r
- TopExp_Explorer expFace = new TopExp_Explorer();\r
- for (expFace.init(shape, TopAbs_ShapeEnum.FACE); expFace.more(); expFace.next()) {\r
- TopoDS_Face face = (TopoDS_Face) expFace.current();\r
- {\r
-// TopLoc_Location Location = new TopLoc_Location();\r
-// Poly_Triangulation triangulation = BRep_Tool.triangulation(face, Location);\r
-// if (triangulation != null) {\r
-// \r
-// int[]triangles = triangulation.triangles();\r
-// double[]nodes = triangulation.nodes();\r
-// int nofTriangles = triangulation.nbTriangles();\r
-// int nofNodes = triangulation.nbNodes();\r
-// \r
-// triangulation.delete();\r
-// \r
-// GP_Trsf transformation = Location.transformation();\r
-// double d_mat[] = new double[16];\r
-// transformation.getValues(d_mat);\r
-// Matrix4d mat = new Matrix4d(d_mat);\r
-// for(int i = 0; i < nofNodes; i++) { \r
-// //double xyz[] = new double[]{nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]}; \r
-// Point3d p = new Point3d(nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]);\r
-// //transformation.transforms(xyz);\r
-// mat.transform(p);\r
-// }\r
-// transformation.delete();\r
-// }\r
-// \r
-// Location.delete();\r
- vtkPolyData data = VTKOCCTool.createPartGrid(face);\r
- VTKOCCTool.gridToAssembly(ass, data);\r
- //data.Delete();\r
- }\r
- face.delete();\r
- }\r
- expFace.delete();\r
- mesh.delete();\r
- \r
- vtkPropCollection col;\r
- col = ass.GetParts();\r
- for (int i = 0; i < col.GetNumberOfItems(); i++)\r
- {\r
- vtkProp prop = (vtkProp) col.GetItemAsObject(i);\r
- //System.out.println(prop.Print());\r
- prop.Delete();\r
- }\r
- col.Delete();\r
- ass.Delete();\r
- } else if (test == 2) {\r
- double[] pointStruct = new double[]{0,0,0}, dirStruct = new double[]{0,1,0};\r
- double radius = 1.0;\r
- double height = 1.0;\r
- \r
- double[] axe = new double[6];\r
- \r
- System.arraycopy(pointStruct, 0, axe, 0, 3);\r
- System.arraycopy(dirStruct, 0, axe, 3, 3);\r
- org.jcae.opencascade.jni.BRepPrimAPI_MakeCylinder cyl = new org.jcae.opencascade.jni.BRepPrimAPI_MakeCylinder(axe, radius, height, 2 * Math.PI);\r
- org.jcae.opencascade.jni.TopoDS_Shape tds = cyl.shape();\r
- cyl.delete();\r
- \r
- double vol = OCCTTool.getBoundingBoxDiagonal(tds);\r
- double d = 0.001 * vol;\r
- BRepMesh_IncrementalMesh mesh = new BRepMesh_IncrementalMesh(tds,d);\r
-// TopExp_Explorer expFace = new TopExp_Explorer();\r
-// for (expFace.init(tds, TopAbs_ShapeEnum.FACE); expFace.more(); expFace.next()) {\r
-// TopoDS_Face face = (TopoDS_Face) expFace.current();\r
-// {\r
-// \r
-// }\r
-// face.delete();\r
-// }\r
- mesh.delete();\r
- \r
- tds.delete();\r
- }\r
- //shape.delete();\r
- System.out.println(t);\r
- }\r
- //shape.delete();\r
- }\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.opencascade.vtk;
+
+import java.util.List;
+
+import javax.vecmath.Matrix4d;
+import javax.vecmath.Point3d;
+
+import org.jcae.opencascade.jni.BRepMesh_IncrementalMesh;
+import org.jcae.opencascade.jni.BRep_Tool;
+import org.jcae.opencascade.jni.GP_Trsf;
+import org.jcae.opencascade.jni.Poly_Triangulation;
+import org.jcae.opencascade.jni.TopAbs_Orientation;
+import org.jcae.opencascade.jni.TopAbs_ShapeEnum;
+import org.jcae.opencascade.jni.TopExp_Explorer;
+import org.jcae.opencascade.jni.TopLoc_Location;
+import org.jcae.opencascade.jni.TopoDS_Face;
+import org.jcae.opencascade.jni.TopoDS_Shape;
+import org.simantics.opencascade.OCCTTool;
+
+import vtk.vtkActor;
+import vtk.vtkAlgorithmOutput;
+import vtk.vtkAppendPolyData;
+import vtk.vtkAssembly;
+import vtk.vtkCleanPolyData;
+import vtk.vtkDataSetMapper;
+import vtk.vtkFeatureEdges;
+import vtk.vtkGlyph3D;
+import vtk.vtkIdList;
+import vtk.vtkPoints;
+import vtk.vtkPolyData;
+import vtk.vtkPolyDataMapper;
+import vtk.vtkPolyDataNormals;
+import vtk.vtkProp;
+import vtk.vtkPropCollection;
+import vtk.vtkProperty;
+import vtk.vtkSphereSource;
+import vtk.vtkTriangle;
+
+public class VTKOCCTool {
+ public static vtkAssembly vtkTestAssembly() {
+ vtkAssembly assemblies = new vtkAssembly();
+ vtkPolyData partGrid = createTestPartGrid();
+ gridToAssembly(assemblies, partGrid);
+ return assemblies;
+ }
+
+ public static vtkAssembly vtkOCCShapeToAssembly(TopoDS_Shape shape) {
+ double deflection = 0.001;
+
+ if (deflection <= 0.0) {
+ deflection = 0.0005;
+ System.out.println("Bad value for deflection. Using: " + deflection);
+ }
+
+ // FIXME : leaks memory!
+ //BRepTools.clean(shape);
+
+ double mass = OCCTTool.getMass(shape);
+
+ if (mass < 1.0e-12) {
+ System.out.println("Non 3D-shape detected");
+ System.out.println("The cad import features are currently limited to 3D models.");
+ }
+
+ double length = OCCTTool.getBoundingBoxDiagonal(shape);
+ deflection *= length; // use relative units
+
+ BRepMesh_IncrementalMesh mesh = new BRepMesh_IncrementalMesh(shape,deflection);
+
+ int faceNumber = 0;
+ TopExp_Explorer expFace = new TopExp_Explorer();
+
+ vtkAssembly assemblies = new vtkAssembly();
+ for (expFace.init(shape, TopAbs_ShapeEnum.FACE); expFace.more(); expFace.next()) {
+ TopoDS_Face face = (TopoDS_Face) expFace.current();
+ vtkPolyData partGrid = createPartGrid(face);
+ face.delete();
+ if (partGrid == null)
+ continue;
+ faceNumber++;
+ //gridToAssembly(assemblies, partGrid, stlSurfaceData, stlEdgeData);
+ gridToAssembly(assemblies, partGrid);
+
+ }
+ expFace.delete();
+ mesh.delete();
+
+ if (faceNumber == 0) {
+ System.out
+ .println("Cad import: error: no surface triangulation was generated.");
+ return null;
+ }
+
+ return assemblies;
+ }
+
+ private static void gridToAssembly(vtkAssembly assemblies, vtkPolyData partGrid, vtkAppendPolyData stlSurfaceData, vtkAppendPolyData stlEdgeData) {
+
+ double featureAngle = 30;
+
+
+ vtkDataSetMapper partMapper = new vtkDataSetMapper();
+
+ boolean computeNormals = true;
+ boolean cleanPart = true;
+ boolean mergePoints = false;
+
+ vtkCleanPolyData partCleaner = new vtkCleanPolyData();
+ if (cleanPart)
+ {
+ partCleaner.SetInputData(partGrid);
+ if(mergePoints) {
+ partCleaner.PointMergingOn();
+ } else {
+ partCleaner.PointMergingOff();
+ }
+ }
+
+ if (computeNormals)
+ {
+ vtkPolyDataNormals partNormals = new vtkPolyDataNormals();
+
+ if (cleanPart)
+ {
+ partNormals.SetInputConnection(partCleaner.GetOutputPort());
+ }
+ else partNormals.SetInputData(partGrid);
+
+ partNormals.SetFeatureAngle(featureAngle); // this do not have to be neccesarily called
+ partMapper.SetInputConnection(partNormals.GetOutputPort());
+ partNormals.Delete();
+ }
+ else
+ {
+ if (cleanPart) partMapper.SetInputConnection(partCleaner.GetOutputPort()); // metoda 2, ne tak pekne, viz http://www.codeguru.com/cpp/g-m/opengl/article.php/c2681
+ else partMapper.SetInputData(partGrid); // metoda 1, ne tak pekne stinovani, viz: http://www.codeguru.com/cpp/g-m/opengl/article.php/c2681
+ }
+ partMapper.ScalarVisibilityOn();
+
+ vtkActor partActor = new vtkActor();
+
+ partActor.SetPickable(1);
+ partActor.GetProperty().SetColor(1, 1, 0);
+ partActor.SetMapper(partMapper);
+
+ // EDGES OF PARTS DETECTION
+ vtkFeatureEdges partEdges = new vtkFeatureEdges();
+ if (cleanPart) partEdges.SetInputConnection(partCleaner.GetOutputPort());
+ else partEdges.SetInputData(partGrid);
+ partEdges.SetFeatureAngle(featureAngle); // this do not have to be neccesarily called
+ partEdges.FeatureEdgesOn();
+ partEdges.BoundaryEdgesOn();
+ partEdges.NonManifoldEdgesOn();
+ partEdges.ManifoldEdgesOn();
+
+ vtkDataSetMapper partEdgesMapper = new vtkDataSetMapper();
+ partEdgesMapper.SetInputConnection(partEdges.GetOutputPort());
+ partEdgesMapper.SetResolveCoincidentTopologyToPolygonOffset();
+ partEdgesMapper.ScalarVisibilityOff();
+
+ vtkActor partEdgesActor = new vtkActor();
+ partEdgesActor.SetPickable(0);
+ partEdgesActor.GetProperty().SetColor(1, 0, 1);
+ partEdgesActor.SetMapper(partEdgesMapper);
+
+
+ // Add triangles and edges to STL structures:
+ //--------------------------------------------
+ if (cleanPart) stlSurfaceData.AddInputData(partCleaner.GetOutput());
+ else stlSurfaceData.AddInputData(partGrid);
+ stlEdgeData.AddInputData(partEdges.GetOutput());
+
+ assemblies.AddPart(partActor);
+ assemblies.AddPart(partEdgesActor);
+
+ // Clean up:
+ //----------
+ partEdgesActor.Delete();
+ partEdgesMapper.Delete();
+ partEdges.Delete();
+ partActor.Delete();
+ partMapper.Delete();
+ partGrid.Delete();
+ partCleaner.Delete();
+ }
+
+ public static void gridToAssembly(vtkAssembly assemblies, vtkPolyData partGrid) {
+
+ double featureAngle = 30;
+
+
+ vtkDataSetMapper partMapper = new vtkDataSetMapper();
+
+ boolean computeNormals = true;
+ boolean cleanPart = false;
+ boolean mergePoints = false;
+
+ vtkCleanPolyData partCleaner = new vtkCleanPolyData();
+ if (cleanPart)
+ {
+ partCleaner.SetInputData(partGrid);
+ if(mergePoints) {
+ partCleaner.PointMergingOn();
+ } else {
+ partCleaner.PointMergingOff();
+ }
+ }
+
+ if (computeNormals)
+ {
+ vtkPolyDataNormals partNormals = new vtkPolyDataNormals();
+
+ if (cleanPart)
+ {
+ vtkAlgorithmOutput out = partCleaner.GetOutputPort();
+ partNormals.SetInputConnection(out);
+ out.Delete();
+ }
+ else partNormals.SetInputData(partGrid);
+
+ partNormals.SetFeatureAngle(featureAngle); // this do not have to be neccesarily called
+ vtkAlgorithmOutput out = partNormals.GetOutputPort();
+ partMapper.SetInputConnection(out);
+ out.Delete();
+ partNormals.Delete();
+ }
+ else
+ {
+ if (cleanPart) {
+ vtkAlgorithmOutput out = partCleaner.GetOutputPort();
+ partMapper.SetInputConnection(out); // metoda 2, ne tak pekne, viz http://www.codeguru.com/cpp/g-m/opengl/article.php/c2681
+ out.Delete();
+ }
+ else partMapper.SetInputData(partGrid); // metoda 1, ne tak pekne stinovani, viz: http://www.codeguru.com/cpp/g-m/opengl/article.php/c2681
+ }
+ partMapper.ScalarVisibilityOn();
+
+ vtkActor partActor = new vtkActor();
+ partActor.SetPickable(1);
+ vtkProperty prop = partActor.GetProperty();
+ prop.SetColor(1, 1, 0);
+ prop.Delete();
+ partActor.SetMapper(partMapper);
+
+ assemblies.AddPart(partActor);
+
+ {
+ // EDGES OF PARTS DETECTION
+ vtkFeatureEdges partEdges = new vtkFeatureEdges();
+ if (cleanPart) {
+ vtkAlgorithmOutput out = partCleaner.GetOutputPort();
+ partEdges.SetInputConnection(out);
+ out.Delete();
+ }
+ else partEdges.SetInputData(partGrid);
+ // partEdges.SetFeatureAngle(featureAngle); // this do not have to be neccesarily called
+ partEdges.FeatureEdgesOn();
+ partEdges.BoundaryEdgesOn();
+ partEdges.NonManifoldEdgesOn();
+ partEdges.ManifoldEdgesOn();
+
+ vtkDataSetMapper partEdgesMapper = new vtkDataSetMapper();
+ vtkAlgorithmOutput out = partEdges.GetOutputPort();
+ partEdgesMapper.SetInputConnection(out);
+ out.Delete();
+ partEdgesMapper.SetResolveCoincidentTopologyToPolygonOffset();
+ partEdgesMapper.ScalarVisibilityOff();
+
+ vtkActor partEdgesActor = new vtkActor();
+
+ prop = partEdgesActor.GetProperty();
+ prop.SetColor(0, 0, 0);
+ prop.SetLineWidth(2.0);
+ prop.Delete();
+ partEdgesActor.SetMapper(partEdgesMapper);
+ partEdgesActor.PickableOn();
+
+ assemblies.AddPart(partEdgesActor);
+
+ {
+
+ EdgePointsFilter edgePoints = new EdgePointsFilter();
+
+
+ out = partEdges.GetOutputPort();
+ edgePoints.SetInputConnection(out);
+ out.Delete();
+
+ // vtkDataSetMapper partEdgePointsMapper = new vtkDataSetMapper();
+ // out = edgePoints.GetOutputPort();
+ // partEdgePointsMapper.SetInputConnection(out);
+ // out.Delete();
+
+ // vtkVertexGlyphFilter glyphFilter = new vtkVertexGlyphFilter();
+ // out = edgePoints.GetOutputPort();
+ // glyphFilter.SetInputConnection(out);
+ // glyphFilter.Update();
+ // out.Delete();
+ //
+ // vtkPolyDataMapper partEdgePointsMapper = new vtkPolyDataMapper();
+ // out = glyphFilter.GetOutputPort();
+ // partEdgePointsMapper.SetInputConnection(out);
+ // out.Delete();
+
+ vtkSphereSource sphereSource = new vtkSphereSource();
+ vtkGlyph3D glyph3D = new vtkGlyph3D();
+ out = sphereSource.GetOutputPort();
+ glyph3D.SetSourceConnection(out);
+ out.Delete();
+
+ out = edgePoints.GetOutputPort();
+ glyph3D.SetInputConnection(out);
+ out.Delete();
+
+ //glyph3D.ScalingOff();
+ glyph3D.SetScaleFactor(0.03);
+
+ glyph3D.Update();
+
+ vtkPolyDataMapper partEdgePointsMapper = new vtkPolyDataMapper();
+ out = glyph3D.GetOutputPort();
+ partEdgePointsMapper.SetInputConnection(out);
+ out.Delete();
+
+ vtkActor edgePointsActor = new vtkActor();
+
+ prop = edgePointsActor.GetProperty();
+ prop.SetColor(0, 0, 1);
+ //prop.SetPointSize(10.0);
+ //prop.SetRepresentationToPoints();
+ prop.Delete();
+ edgePointsActor.SetMapper(partEdgePointsMapper);
+
+ edgePointsActor.PickableOn();
+ assemblies.AddPart(edgePointsActor);
+
+
+ edgePointsActor.Delete();
+ partEdgePointsMapper.Delete();
+ // edgePoints.Delete();
+ }
+ // Clean up:
+ //----------
+ partEdgesActor.Delete();
+ partEdgesMapper.Delete();
+ partEdges.Delete();
+ }
+
+ partActor.Delete();
+ partMapper.Delete();
+ partGrid.Delete();
+ partCleaner.Delete();
+ }
+
+
+
+ public static vtkPolyData createPartGrid ( TopoDS_Face face)
+ {
+ TopLoc_Location Location = new TopLoc_Location();
+
+ Poly_Triangulation triangulation = BRep_Tool.triangulation(face, Location);
+
+ if(triangulation == null) {
+ Location.delete();
+ System.out.println("Encountered empty triangulation after face");
+ return null;
+ }
+
+ boolean reverse = face.orientation()==TopAbs_Orientation.REVERSED;
+
+ int[]triangles = triangulation.triangles();
+ double[]nodes = triangulation.nodes();
+
+ int nofTriangles = triangulation.nbTriangles();
+ int nofNodes = triangulation.nbNodes();
+
+ triangulation.delete();
+
+ if(nofTriangles < 1) {
+ System.out.println("No triangles for mesh on face");
+ Location.delete();
+ return null;
+ }
+
+ if(nofNodes < 1) {
+ System.out.println("No nodes for mesh on face:");
+ Location.delete();
+ return null;
+ }
+ //System.out.println("v " + nofNodes + " t " +nofTriangles);
+ vtkPolyData partGrid = new vtkPolyData();
+ partGrid.Allocate(nofTriangles, nofTriangles);
+
+ vtkTriangle triangle = new vtkTriangle();
+ vtkIdList list = triangle.GetPointIds();
+ for(int i = 0; i < nofTriangles; i++)
+ {
+ int n0, n1, n2;
+ if (!reverse) {
+ n0 = triangles[3 * i];
+ n1 = triangles[3 * i + 1];
+ n2 = triangles[3 * i + 2];
+ } else {
+ n0 = triangles[3 * i + 2];
+ n1 = triangles[3 * i + 1];
+ n2 = triangles[3 * i];
+ }
+
+ list.SetId(0, n0);
+ list.SetId(1, n1);
+ list.SetId(2, n2);
+ partGrid.InsertNextCell(triangle.GetCellType(), list);
+
+ }
+ list.Delete();
+ triangle.Delete();
+
+ GP_Trsf transformation = Location.transformation();
+ Location.delete();
+
+ double d_mat[] = new double[16];
+ double d_p[] = new double[3];
+ transformation.getValues(d_mat);
+ Matrix4d mat = new Matrix4d(d_mat);
+
+ vtkPoints partPoints = new vtkPoints();
+
+ for(int i = 0; i < nofNodes; i++) {
+ // FIXME: GP_Trsf.transform(double[]) leaks memory
+
+ //double xyz[] = new double[]{nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]};
+ //transformation.transforms(xyz);
+ //partPoints.InsertPoint(i, xyz);
+ Point3d p = new Point3d(nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]);
+ mat.transform(p);
+ d_p[0] = p.x;
+ d_p[1] = p.y;
+ d_p[2] = p.z;
+ partPoints.InsertPoint(i, d_p);
+ }
+
+ transformation.delete();
+
+ partGrid.SetPoints(partPoints);
+ partPoints.Delete();
+
+ return partGrid;
+ }
+
+
+
+ public static vtkPolyData createPartGrid ( List<Double> meshPoints, List<Integer> meshTriangles)
+ {
+
+
+
+
+
+ int nofTriangles = meshTriangles.size() / 3;
+ int nofNodes = meshPoints.size() /3;
+
+
+ if(nofTriangles < 1) {
+ System.out.println("No triangles for mesh on face");
+ return null;
+ }
+
+ if(nofNodes < 1) {
+ System.out.println("No nodes for mesh on face:");
+ return null;
+ }
+ //System.out.println("v " + nofNodes + " t " +nofTriangles);
+ vtkPolyData partGrid = new vtkPolyData();
+ partGrid.Allocate(nofTriangles, nofTriangles);
+
+ vtkTriangle triangle = new vtkTriangle();
+ vtkIdList list = triangle.GetPointIds();
+ for(int i = 0; i < nofTriangles; i++)
+ {
+ int n0, n1, n2;
+ n0 = meshTriangles.get(3 * i);
+ n1 = meshTriangles.get(3 * i + 1);
+ n2 = meshTriangles.get(3 * i + 2);
+
+
+ list.SetId(0, n0);
+ list.SetId(1, n1);
+ list.SetId(2, n2);
+ partGrid.InsertNextCell(triangle.GetCellType(), list);
+
+ }
+ list.Delete();
+ triangle.Delete();
+
+
+
+ double d_p[] = new double[3];
+
+
+ vtkPoints partPoints = new vtkPoints();
+
+ for(int i = 0; i < nofNodes; i++) {
+
+ d_p[0] = meshPoints.get(3*i);
+ d_p[1] = meshPoints.get(3*i+1);
+ d_p[2] = meshPoints.get(3*i+2);
+ partPoints.InsertPoint(i, d_p);
+ }
+
+ partGrid.SetPoints(partPoints);
+ partPoints.Delete();
+
+ return partGrid;
+ }
+
+ private static vtkPolyData createTestPartGrid ()
+ {
+ int size = 64;
+
+ double[] nodes = new double[(size+1)*(size+1)*3];
+ int[] triangles = new int[3 * size * size * 2];
+
+ double es = 1.0;
+ for (int i = 0; i <= size; i++) {
+ for (int j = 0; j <= size; j++) {
+ int index = j * size + i;
+ index *= 3;
+ double x = (double)i * es;
+ double y = (Math.sin((double)i/(double)size) + Math.sin((double)j/(double)size)) * es;
+ double z = (double)j * es;
+ nodes[index] = x;
+ nodes[index+1] = y;
+ nodes[index+2] = z;
+ }
+ }
+
+ for (int i = 0; i < size; i++) {
+ for (int j = 0; j < size; j++) {
+ int index = j * size + i;
+ index *= 3;
+ index *= 2;
+ triangles[index ] = (j * (size+1) + i );
+ triangles[index+1] = (j * (size+1) + i+1);
+ triangles[index+2] = ((j+1) * (size+1) + i );
+ triangles[index+3] = ((j+1) * (size+1) + i );
+ triangles[index+4] = ((j ) * (size+1) + i +1 );
+ triangles[index+5] = ((j+1) * (size+1) + i +1 );
+ }
+ }
+
+ int nofTriangles = triangles.length / 3;
+ int nofNodes = nodes.length / 3;
+
+ if(nofTriangles < 1) {
+
+ return null;
+ }
+
+ if(nofNodes < 1) {
+
+ return null;
+ }
+ //System.out.println("v " + nofNodes + " t " +nofTriangles);
+ vtkPolyData partGrid = new vtkPolyData();
+ partGrid.Allocate(nofTriangles, nofTriangles);
+
+ vtkTriangle triangle = new vtkTriangle();
+ vtkIdList list = triangle.GetPointIds();
+ for(int i = 0; i < nofTriangles; i++)
+ {
+ int n0, n1, n2;
+ n0 = triangles[3 * i]; n1 = triangles[3 * i + 1]; n2 = triangles[3 * i + 2]; // triangles(i).Get(n0, n1, n2);
+
+ // if(face.orientation() != TopAbs_Orientation.FORWARD) {
+ // int tmp = n2; n2 = n1; n1 = tmp;
+ // }
+
+ list.SetId(0, n0);
+ list.SetId(1, n1);
+ list.SetId(2, n2);
+ partGrid.InsertNextCell(triangle.GetCellType(), list);
+
+ }
+ list.Delete();
+ triangle.Delete();
+
+ vtkPoints partPoints = new vtkPoints();
+ for(int i = 0; i < nofNodes; i++) {
+ double xyz[] = new double[]{nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]};
+ partPoints.InsertPoint(i, xyz);
+ }
+
+ partGrid.SetPoints(partPoints);
+
+ partPoints.Delete();
+
+ return partGrid;
+ }
+
+ public static void test() {
+ TopoDS_Shape shape = null;
+ //shape = OccTriangulator.makeCylinder(new double[]{0,0,0}, new double[]{0,1,0}, 1, 1);
+ for (int t = 0; t < 5000; t++) {
+ //shape = OccTriangulator.makeCylinder(new double[]{0,0,0}, new double[]{0,1,0}, 1, 1);
+ int test = 2;
+ if (test == 0) {
+ vtkAssembly ass = VTKOCCTool.vtkOCCShapeToAssembly(shape);
+ vtkPropCollection col;
+ col = ass.GetParts();
+ for (int i = 0; i < col.GetNumberOfItems(); i++)
+ {
+ vtkProp prop = (vtkProp) col.GetItemAsObject(i);
+ //System.out.println(prop.Print());
+ prop.Delete();
+ }
+ col.Delete();
+ ass.Delete();
+ }
+ else if (test == 1) {
+ //BRepTools.clean(shape);
+
+
+ vtkAssembly ass = new vtkAssembly();
+
+ double vol = OCCTTool.getBoundingBoxDiagonal(shape);
+ double d = 0.001 * vol;
+ BRepMesh_IncrementalMesh mesh = new BRepMesh_IncrementalMesh(shape,d);
+ TopExp_Explorer expFace = new TopExp_Explorer();
+ for (expFace.init(shape, TopAbs_ShapeEnum.FACE); expFace.more(); expFace.next()) {
+ TopoDS_Face face = (TopoDS_Face) expFace.current();
+ {
+ // TopLoc_Location Location = new TopLoc_Location();
+ // Poly_Triangulation triangulation = BRep_Tool.triangulation(face, Location);
+ // if (triangulation != null) {
+ //
+ // int[]triangles = triangulation.triangles();
+ // double[]nodes = triangulation.nodes();
+ // int nofTriangles = triangulation.nbTriangles();
+ // int nofNodes = triangulation.nbNodes();
+ //
+ // triangulation.delete();
+ //
+ // GP_Trsf transformation = Location.transformation();
+ // double d_mat[] = new double[16];
+ // transformation.getValues(d_mat);
+ // Matrix4d mat = new Matrix4d(d_mat);
+ // for(int i = 0; i < nofNodes; i++) {
+ // //double xyz[] = new double[]{nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]};
+ // Point3d p = new Point3d(nodes[3 * i], nodes[3 * i + 1], nodes[3 * i + 2]);
+ // //transformation.transforms(xyz);
+ // mat.transform(p);
+ // }
+ // transformation.delete();
+ // }
+ //
+ // Location.delete();
+ vtkPolyData data = VTKOCCTool.createPartGrid(face);
+ VTKOCCTool.gridToAssembly(ass, data);
+ //data.Delete();
+ }
+ face.delete();
+ }
+ expFace.delete();
+ mesh.delete();
+
+ vtkPropCollection col;
+ col = ass.GetParts();
+ for (int i = 0; i < col.GetNumberOfItems(); i++)
+ {
+ vtkProp prop = (vtkProp) col.GetItemAsObject(i);
+ //System.out.println(prop.Print());
+ prop.Delete();
+ }
+ col.Delete();
+ ass.Delete();
+ } else if (test == 2) {
+ double[] pointStruct = new double[]{0,0,0}, dirStruct = new double[]{0,1,0};
+ double radius = 1.0;
+ double height = 1.0;
+
+ double[] axe = new double[6];
+
+ System.arraycopy(pointStruct, 0, axe, 0, 3);
+ System.arraycopy(dirStruct, 0, axe, 3, 3);
+ org.jcae.opencascade.jni.BRepPrimAPI_MakeCylinder cyl = new org.jcae.opencascade.jni.BRepPrimAPI_MakeCylinder(axe, radius, height, 2 * Math.PI);
+ org.jcae.opencascade.jni.TopoDS_Shape tds = cyl.shape();
+ cyl.delete();
+
+ double vol = OCCTTool.getBoundingBoxDiagonal(tds);
+ double d = 0.001 * vol;
+ BRepMesh_IncrementalMesh mesh = new BRepMesh_IncrementalMesh(tds,d);
+// TopExp_Explorer expFace = new TopExp_Explorer();
+// for (expFace.init(tds, TopAbs_ShapeEnum.FACE); expFace.more(); expFace.next()) {
+// TopoDS_Face face = (TopoDS_Face) expFace.current();
+// {
+//
+// }
+// face.delete();
+// }
+ mesh.delete();
+
+ tds.delete();
+ }
+ //shape.delete();
+ System.out.println(t);
+ }
+ //shape.delete();
+ }
+}
Code Review / simantics / 3d.git / blobdiff