1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: GeomAlgoAPI_Placement.cpp
5 // Author: Artem ZHIDKOV
7 #include <GeomAlgoAPI_Placement.h>
8 #include <GeomAlgoAPI_DFLoader.h>
10 #include <GeomAPI_Edge.h>
11 #include <GeomAPI_Lin.h>
12 #include <GeomAPI_Pnt.h>
13 #include <GeomAPI_Pln.h>
14 #include <GeomAPI_Vertex.h>
15 #include <GeomAPI_XYZ.h>
17 #include <BRepBuilderAPI_Transform.hxx>
18 #include <gp_Trsf.hxx>
19 #include <gp_Quaternion.hxx>
20 #include <TopExp_Explorer.hxx>
21 #include <BRepCheck_Analyzer.hxx>
22 #include <BRepClass3d_SolidClassifier.hxx>
23 #include <GProp_GProps.hxx>
24 #include <BRepGProp.hxx>
25 #include <Precision.hxx>
27 #define DEB_PLACEMENT 1
28 GeomAlgoAPI_Placement::GeomAlgoAPI_Placement(
29 std::shared_ptr<GeomAPI_Shape> theSourceSolid,
30 std::shared_ptr<GeomAPI_Shape> theDestSolid,
31 std::shared_ptr<GeomAPI_Shape> theSourceShape,
32 std::shared_ptr<GeomAPI_Shape> theDestShape,
36 myShape(new GeomAPI_Shape())
38 build(theSourceSolid, theDestSolid, theSourceShape, theDestShape, theIsReverse, theIsCentering);
41 void GeomAlgoAPI_Placement::build(
42 const std::shared_ptr<GeomAPI_Shape>& theSourceSolid,
43 const std::shared_ptr<GeomAPI_Shape>& theDestSolid,
44 const std::shared_ptr<GeomAPI_Shape>& theSourceShape,
45 const std::shared_ptr<GeomAPI_Shape>& theDestShape,
49 // Filling the parameters of the objects
50 static const int aNbObjects = 2;
51 gp_Pnt aSrcDstPoints[aNbObjects]; // points on the selected objects (0 - source, 1 - destination)
52 gp_Vec aSrcDstNormals[aNbObjects]; // normal vectors, if planar faces are selected
53 gp_Vec aSrcDstDirections[aNbObjects]; // directions of linear edges
54 bool hasNormal[aNbObjects];
55 bool hasDirection[aNbObjects];
56 std::shared_ptr<GeomAPI_Shape> aShapes[aNbObjects] = {theSourceShape, theDestShape};
58 for (int i = 0; i < aNbObjects; i++) {
59 if (aShapes[i]->isFace()) {
60 std::shared_ptr<GeomAPI_Face> aFace(new GeomAPI_Face(aShapes[i]));
61 std::shared_ptr<GeomAPI_Pln> aPlane = aFace->getPlane();
62 std::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
63 std::shared_ptr<GeomAPI_Pnt> aLoc = aPlane->location();
64 aSrcDstPoints[i].SetCoord(aLoc->x(), aLoc->y(), aLoc->z());
65 aSrcDstNormals[i].SetCoord(aDir->x(), aDir->y(), aDir->z());
66 } else if (aShapes[i]->isEdge()) {
67 std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aShapes[i]));
68 std::shared_ptr<GeomAPI_Lin> aLine = anEdge->line();
69 std::shared_ptr<GeomAPI_Dir> aDir = aLine->direction();
70 std::shared_ptr<GeomAPI_Pnt> aFirstPnt = anEdge->firstPoint();
71 std::shared_ptr<GeomAPI_Pnt> aLastPnt = anEdge->lastPoint();
72 std::shared_ptr<GeomAPI_XYZ> aLoc = aFirstPnt->xyz()->added(aLastPnt->xyz())->multiplied(0.5);
73 aSrcDstPoints[i].SetCoord(aLoc->x(), aLoc->y(), aLoc->z());
74 aSrcDstDirections[i].SetCoord(aDir->x(), aDir->y(), aDir->z());
75 } else if (aShapes[i]->isVertex()) {
76 std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aShapes[i]));
77 std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
78 aSrcDstPoints[i].SetCoord(aPnt->x(), aPnt->y(), aPnt->z());
79 } else // something goes wrong
81 hasNormal[i] = aSrcDstNormals[i].SquareMagnitude() >= Precision::SquareConfusion();
82 hasDirection[i] = aSrcDstDirections[i].SquareMagnitude() >= Precision::SquareConfusion();
86 const TopoDS_Shape& aSourceShape = theSourceSolid->impl<TopoDS_Shape>();
87 const TopoDS_Shape& aDestShape = theDestSolid->impl<TopoDS_Shape>();
88 // Check the material of the solids to be on the correct side
89 BRepClass3d_SolidClassifier aClassifier;
90 static const double aTransStep = 10. * Precision::Confusion();
92 aClassifier.Load(aSourceShape);
93 gp_Pnt aPoint = aSrcDstPoints[0];
94 aPoint.Translate(aSrcDstNormals[0] * aTransStep);
95 aClassifier.Perform(aPoint, Precision::Confusion());
96 if ((aClassifier.State() == TopAbs_OUT && !theIsReverse) ||
97 (aClassifier.State() == TopAbs_IN && theIsReverse))
98 aSrcDstNormals[0].Reverse();
101 aClassifier.Load(aDestShape);
102 gp_Pnt aPoint = aSrcDstPoints[1];
103 aPoint.Translate(aSrcDstNormals[1] * aTransStep);
104 aClassifier.Perform(aPoint, Precision::Confusion());
105 if (aClassifier.State() == TopAbs_IN)
106 aSrcDstNormals[1].Reverse();
109 // Calculate directions, which comply the normal, for vertices and edges
110 if (!hasNormal[0] || !hasNormal[1]) {
111 if (hasNormal[0] || hasNormal[1]) { // plane with line or vertex
112 if (hasDirection[0] || hasDirection[1]) { // plane - line
113 int anInd = hasDirection[0] ? 0 : 1;
114 gp_Vec aVec = aSrcDstNormals[1 - anInd].Crossed(aSrcDstDirections[anInd]);
115 if (aVec.SquareMagnitude() < Precision::SquareConfusion()) { // normal and direction are collinear
116 aVec = aSrcDstNormals[1 - anInd].Crossed(
117 gp_Vec(aSrcDstPoints[1 - anInd], aSrcDstPoints[anInd]));
118 if (aVec.SquareMagnitude() < Precision::SquareConfusion()) { // normal and points direction are collinear
119 if (Abs(aSrcDstNormals[1 - anInd].Y()) >= Precision::Confusion() ||
120 Abs(aSrcDstNormals[1 - anInd].Z()) >= Precision::Confusion())
126 aSrcDstNormals[anInd] = aSrcDstDirections[anInd].Crossed(aVec).Normalized();
127 } else { // plane - point
128 int anInd = hasNormal[0] ? 1 : 0;
129 aSrcDstNormals[anInd] = aSrcDstNormals[1 - anInd];
132 if (hasDirection[0] && hasDirection[1]) { // line - line
133 gp_Vec aVec = aSrcDstDirections[0].Crossed(aSrcDstDirections[1]);
134 if (aVec.SquareMagnitude() < Precision::SquareConfusion()) { // lines are parallel
135 aVec = aSrcDstDirections[0].Crossed(gp_Vec(aSrcDstPoints[0], aSrcDstPoints[1]));
136 if (aVec.SquareMagnitude() < Precision::SquareConfusion()) { // lines are equal
137 if (Abs(aSrcDstDirections[0].Y()) >= Precision::Confusion() ||
138 Abs(aSrcDstDirections[0].Z()) >= Precision::Confusion())
144 aSrcDstNormals[0] = aSrcDstDirections[0].Crossed(aVec);
145 aSrcDstNormals[0].Normalize();
146 aSrcDstNormals[1] = aSrcDstDirections[1].Crossed(aVec);
147 aSrcDstNormals[1].Normalize();
148 if (aSrcDstDirections[0].Dot(aSrcDstDirections[1]) < -Precision::Confusion())
149 aSrcDstNormals[1].Reverse();
150 } else if (!hasDirection[0] && !hasDirection[1]) { // point - point
151 aSrcDstNormals[0] = gp_Vec(aSrcDstPoints[0], aSrcDstPoints[1]);
152 aSrcDstNormals[0].Normalize();
153 aSrcDstNormals[1] = -aSrcDstNormals[0];
154 } else { // line - point
155 int anInd = hasDirection[0] ? 0 : 1;
156 gp_Vec aVec(aSrcDstPoints[anInd], aSrcDstPoints[1 - anInd]);
157 aVec.Cross(aSrcDstDirections[anInd]);
158 if (aVec.SquareMagnitude() < Precision::SquareConfusion()) { // point is on line
159 if (Abs(aSrcDstDirections[1 - anInd].Y()) >= Precision::Confusion() ||
160 Abs(aSrcDstDirections[1 - anInd].Z()) >= Precision::Confusion())
165 aSrcDstNormals[anInd] = aSrcDstDirections[anInd].Crossed(aVec).Normalized();
166 aSrcDstNormals[1 - anInd] = aSrcDstNormals[anInd];
171 // Reverse the normal if it was not done before
172 if (!hasNormal[0] && theIsReverse)
173 aSrcDstNormals[0].Reverse();
175 // Calculate transformation
177 gp_Vec aSrcDir = aSrcDstNormals[0];
178 gp_Vec aDstDir = aSrcDstNormals[1];
179 // Calculate rotation
180 gp_Quaternion aRot(aSrcDir, aDstDir);
181 aTrsf.SetRotation(aRot);
182 // Calculate translation
183 gp_Vec aSrcLoc(aSrcDstPoints[0].XYZ());
184 gp_Vec aDstLoc(aSrcDstPoints[1].XYZ());
186 aDstLoc = aSrcLoc + gp_Vec(aDstDir) * (aDstLoc-aSrcLoc).Dot(aDstDir);
187 aSrcLoc.Transform(aTrsf);
188 gp_Vec aTrans = aDstLoc - aSrcLoc;
189 aTrsf.SetTransformation(aRot, aTrans);
191 // Transform the shape with copying it
192 BRepBuilderAPI_Transform* aBuilder = new BRepBuilderAPI_Transform(aSourceShape, aTrsf, true);
195 myDone = aBuilder->IsDone() == Standard_True;
197 TopoDS_Shape aResult = aBuilder->Shape();
198 // fill data map to keep correct orientation of sub-shapes
199 for (TopExp_Explorer Exp(aResult,TopAbs_FACE); Exp.More(); Exp.Next()) {
200 std::shared_ptr<GeomAPI_Shape> aCurrentShape(new GeomAPI_Shape());
201 aCurrentShape->setImpl(new TopoDS_Shape(Exp.Current()));
202 myMap.bind(aCurrentShape, aCurrentShape);
205 int aNum = myMap.size();
206 cout << "MAP of Oriented shapes =" << aNum <<endl;
210 myShape->setImpl(new TopoDS_Shape(aResult));
211 myMkShape = new GeomAlgoAPI_MakeShape (aBuilder);
216 //============================================================================
217 const bool GeomAlgoAPI_Placement::isValid() const
219 BRepCheck_Analyzer aChecker(myShape->impl<TopoDS_Shape>());
220 return (aChecker.IsValid() == Standard_True);
223 //============================================================================
224 const bool GeomAlgoAPI_Placement::hasVolume() const
226 bool hasVolume(false);
228 const TopoDS_Shape& aRShape = myShape->impl<TopoDS_Shape>();
230 BRepGProp::VolumeProperties(aRShape, aGProp);
231 if(aGProp.Mass() > Precision::Confusion())
237 //============================================================================
238 const std::shared_ptr<GeomAPI_Shape>& GeomAlgoAPI_Placement::shape () const
243 //============================================================================
244 void GeomAlgoAPI_Placement::mapOfShapes (GeomAPI_DataMapOfShapeShape& theMap) const
249 //============================================================================
250 GeomAlgoAPI_MakeShape * GeomAlgoAPI_Placement::makeShape() const
255 //============================================================================
256 GeomAlgoAPI_Placement::~GeomAlgoAPI_Placement()