1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include <Standard_Stream.hxx>
25 #include <GEOMImpl_MeasureDriver.hxx>
26 #include <GEOMImpl_IMeasure.hxx>
27 #include <GEOMImpl_Types.hxx>
29 #include <GEOM_Function.hxx>
31 #include <GEOMUtils.hxx>
33 #include <BRep_Tool.hxx>
34 #include <BRepTools.hxx>
35 #include <BRepGProp.hxx>
36 #include <BRepBuilderAPI_Copy.hxx>
37 #include <BRepBuilderAPI_MakeEdge.hxx>
38 #include <BRepBuilderAPI_MakeVertex.hxx>
39 #include <BRepPrimAPI_MakeBox.hxx>
43 #include <TopoDS_Shape.hxx>
44 #include <TopoDS_Edge.hxx>
45 #include <TopoDS_Wire.hxx>
47 #include <TopExp_Explorer.hxx>
48 #include <TopTools_IndexedMapOfShape.hxx>
50 #include <GProp_GProps.hxx>
51 #include <GeomLProp_SLProps.hxx>
52 #include <Geom_Surface.hxx>
54 #include <Bnd_Box.hxx>
55 #include <BRepBndLib.hxx>
56 #include <BRepAdaptor_Surface.hxx>
57 #include <ShapeAnalysis_Surface.hxx>
60 #include <Precision.hxx>
61 #include <Standard_NullObject.hxx>
62 #include <StdFail_NotDone.hxx>
64 //=======================================================================
67 //=======================================================================
68 const Standard_GUID& GEOMImpl_MeasureDriver::GetID()
70 static Standard_GUID aMeasureDriver("FF1BBB65-5D14-4df2-980B-3A668264EA16");
71 return aMeasureDriver;
75 //=======================================================================
76 //function : GEOMImpl_MeasureDriver
78 //=======================================================================
79 GEOMImpl_MeasureDriver::GEOMImpl_MeasureDriver()
83 //=======================================================================
86 //=======================================================================
87 Standard_Integer GEOMImpl_MeasureDriver::Execute(LOGBOOK& log) const
89 if (Label().IsNull()) return 0;
90 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
92 GEOMImpl_IMeasure aCI (aFunction);
93 Standard_Integer aType = aFunction->GetType();
97 if (aType == CDG_MEASURE)
99 Handle(GEOM_Function) aRefBase = aCI.GetBase();
100 TopoDS_Shape aShapeBase = aRefBase->GetValue();
101 if (aShapeBase.IsNull())
102 Standard_NullObject::Raise("Shape for centre of mass calculation is null");
104 gp_Ax3 aPos = GEOMUtils::GetPosition(aShapeBase);
105 gp_Pnt aCenterMass = aPos.Location();
106 aShape = BRepBuilderAPI_MakeVertex(aCenterMass).Shape();
108 else if (aType == BND_BOX_MEASURE || aType == BND_BOX_MEASURE_PRECISE)
110 Handle(GEOM_Function) aRefBase = aCI.GetBase();
111 TopoDS_Shape aShapeBase = aRefBase->GetValue();
112 if (aShapeBase.IsNull())
113 Standard_NullObject::Raise("Shape for bounding box calculation is null");
115 BRepBuilderAPI_Copy aCopyTool (aShapeBase);
116 if (!aCopyTool.IsDone())
117 Standard_NullObject::Raise("Shape for bounding box calculation is bad");
119 aShapeBase = aCopyTool.Shape();
121 // remove triangulation to obtain more exact boundaries
122 BRepTools::Clean(aShapeBase);
125 BRepBndLib::Add(aShapeBase, B);
127 if (aType == BND_BOX_MEASURE_PRECISE) {
128 if (!GEOMUtils::PreciseBoundingBox(aShapeBase, B)) {
129 Standard_NullObject::Raise("Bounding box cannot be precised");
133 Standard_Real Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
134 B.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
136 if (Xmax - Xmin < Precision::Confusion()) Xmax += Precision::Confusion();
137 if (Ymax - Ymin < Precision::Confusion()) Ymax += Precision::Confusion();
138 if (Zmax - Zmin < Precision::Confusion()) Zmax += Precision::Confusion();
140 gp_Pnt P1 (Xmin, Ymin, Zmin);
141 gp_Pnt P2 (Xmax, Ymax, Zmax);
143 BRepPrimAPI_MakeBox MB (P1, P2);
145 if (!MB.IsDone()) StdFail_NotDone::Raise("Bounding box cannot be computed from the given shape");
148 else if (aType == VERTEX_BY_INDEX)
150 Handle(GEOM_Function) aRefBase = aCI.GetBase();
151 TopoDS_Shape aShapeBase = aRefBase->GetValue();
152 if (aShapeBase.IsNull()) {
153 Standard_NullObject::Raise("Shape for centre of mass calculation is null");
156 int index = aCI.GetIndex();
159 if (aShapeBase.ShapeType() == TopAbs_VERTEX) {
161 Standard_NullObject::Raise("Vertex index is out of range");
163 aVertex = BRep_Tool::Pnt(TopoDS::Vertex(aShapeBase));
164 } else if (aShapeBase.ShapeType() == TopAbs_EDGE) {
165 TopoDS_Vertex aV1, aV2;
166 TopoDS_Edge anEdgeE = TopoDS::Edge(aShapeBase);
168 TopExp::Vertices(anEdgeE, aV1, aV2);
169 gp_Pnt aP1 = BRep_Tool::Pnt(aV1);
170 gp_Pnt aP2 = BRep_Tool::Pnt(aV2);
172 if (index < 0 || index > 1)
173 Standard_NullObject::Raise("Vertex index is out of range");
175 if ( ( anEdgeE.Orientation() == TopAbs_FORWARD && index == 0 ) ||
176 ( anEdgeE.Orientation() == TopAbs_REVERSED && index == 1 ) )
180 } else if (aShapeBase.ShapeType() == TopAbs_WIRE) {
181 TopTools_IndexedMapOfShape anEdgeShapes;
182 TopTools_IndexedMapOfShape aVertexShapes;
183 TopoDS_Vertex aV1, aV2;
184 TopoDS_Wire aWire = TopoDS::Wire(aShapeBase);
185 TopExp_Explorer exp (aWire, TopAbs_EDGE);
186 for (; exp.More(); exp.Next()) {
187 anEdgeShapes.Add(exp.Current());
188 TopoDS_Edge E = TopoDS::Edge(exp.Current());
189 TopExp::Vertices(E, aV1, aV2);
190 if ( aVertexShapes.Extent() == 0)
191 aVertexShapes.Add(aV1);
192 if ( !aV1.IsSame( aVertexShapes(aVertexShapes.Extent()) ) )
193 aVertexShapes.Add(aV1);
194 if ( !aV2.IsSame( aVertexShapes(aVertexShapes.Extent()) ) )
195 aVertexShapes.Add(aV2);
198 if (index < 0 || index > aVertexShapes.Extent())
199 Standard_NullObject::Raise("Vertex index is out of range");
201 if (aWire.Orientation() == TopAbs_FORWARD)
202 aVertex = BRep_Tool::Pnt(TopoDS::Vertex(aVertexShapes(index+1)));
204 aVertex = BRep_Tool::Pnt(TopoDS::Vertex(aVertexShapes(aVertexShapes.Extent() - index)));
206 Standard_NullObject::Raise("Shape for vertex calculation is not an edge or wire");
209 aShape = BRepBuilderAPI_MakeVertex(aVertex).Shape();
211 else if (aType == VECTOR_FACE_NORMALE)
214 Handle(GEOM_Function) aRefBase = aCI.GetBase();
215 TopoDS_Shape aShapeBase = aRefBase->GetValue();
216 if (aShapeBase.IsNull()) {
217 Standard_NullObject::Raise("Face for normale calculation is null");
219 if (aShapeBase.ShapeType() != TopAbs_FACE) {
220 Standard_NullObject::Raise("Shape for normale calculation is not a face");
222 TopoDS_Face aFace = TopoDS::Face(aShapeBase);
227 Handle(GEOM_Function) aPntFunc = aCI.GetPoint();
228 if (!aPntFunc.IsNull())
230 TopoDS_Shape anOptPnt = aPntFunc->GetValue();
231 if (anOptPnt.IsNull())
232 Standard_NullObject::Raise("Invalid shape given for point argument");
233 p1 = BRep_Tool::Pnt(TopoDS::Vertex(anOptPnt));
237 gp_Ax3 aPos = GEOMUtils::GetPosition(aFace);
238 p1 = aPos.Location();
241 // Point parameters on surface
242 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
243 Handle(ShapeAnalysis_Surface) aSurfAna = new ShapeAnalysis_Surface (aSurf);
244 gp_Pnt2d pUV = aSurfAna->ValueOfUV(p1, Precision::Confusion());
248 BRepAdaptor_Surface SF (aFace);
249 SF.D1(pUV.X(), pUV.Y(), p1, Vec1, Vec2);
250 if (Vec1.Magnitude() < Precision::Confusion()) {
253 SF.D1(pUV.X(), pUV.Y()-0.1, tmpP, Vec1, tmpV);
255 else if (Vec2.Magnitude() < Precision::Confusion()) {
258 SF.D1(pUV.X()-0.1, pUV.Y(), tmpP, tmpV, Vec2);
261 gp_Vec V = Vec1.Crossed(Vec2);
262 Standard_Real mod = V.Magnitude();
263 if (mod < Precision::Confusion())
264 Standard_NullObject::Raise("Normal vector of a face has null magnitude");
266 // Set length of normal vector to average radius of curvature
267 Standard_Real radius = 0.0;
268 GeomLProp_SLProps aProperties (aSurf, pUV.X(), pUV.Y(), 2, Precision::Confusion());
269 if (aProperties.IsCurvatureDefined()) {
270 Standard_Real radius1 = Abs(aProperties.MinCurvature());
271 Standard_Real radius2 = Abs(aProperties.MaxCurvature());
272 if (Abs(radius1) > Precision::Confusion()) {
273 radius = 1.0 / radius1;
274 if (Abs(radius2) > Precision::Confusion()) {
275 radius = (radius + 1.0 / radius2) / 2.0;
279 if (Abs(radius2) > Precision::Confusion()) {
280 radius = 1.0 / radius2;
285 // Set length of normal vector to average dimension of the face
286 // (only if average radius of curvature is not appropriate)
287 if (radius < Precision::Confusion()) {
289 Standard_Real Xmin, Xmax, Ymin, Ymax, Zmin, Zmax;
290 BRepBndLib::Add(aFace, B);
291 B.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
292 radius = ((Xmax - Xmin) + (Ymax - Ymin) + (Zmax - Zmin)) / 3.0;
295 if (radius < Precision::Confusion())
300 // consider the face orientation
301 if (aFace.Orientation() == TopAbs_REVERSED ||
302 aFace.Orientation() == TopAbs_INTERNAL) {
307 gp_Pnt p2 = p1.Translated(V);
308 BRepBuilderAPI_MakeEdge aBuilder (p1, p2);
309 if (!aBuilder.IsDone())
310 Standard_NullObject::Raise("Vector construction failed");
311 aShape = aBuilder.Shape();
316 if (aShape.IsNull()) return 0;
318 aFunction->SetValue(aShape);
320 #if OCC_VERSION_MAJOR < 7
321 log.SetTouched(Label());
323 log->SetTouched(Label());
329 //================================================================================
331 * \brief Returns a name of creation operation and names and values of creation parameters
333 //================================================================================
335 bool GEOMImpl_MeasureDriver::
336 GetCreationInformation(std::string& theOperationName,
337 std::vector<GEOM_Param>& theParams)
339 if (Label().IsNull()) return 0;
340 Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
342 GEOMImpl_IMeasure aCI( function );
343 Standard_Integer aType = function->GetType();
347 theOperationName = "MASS_CENTER";
348 AddParam( theParams, "Object", aCI.GetBase() );
350 case BND_BOX_MEASURE:
351 case BND_BOX_MEASURE_PRECISE:
352 theOperationName = "BND_BOX";
353 AddParam( theParams, "Object", aCI.GetBase() );
355 case VERTEX_BY_INDEX:
356 theOperationName = "GetVertexByIndex";
357 AddParam( theParams, "Object", aCI.GetBase() );
358 AddParam( theParams, "Index", aCI.GetIndex() );
360 case VECTOR_FACE_NORMALE:
361 theOperationName = "NORMALE";
362 AddParam( theParams, "Face", aCI.GetBase() );
363 AddParam( theParams, "Point", aCI.GetPoint(), "face center" );
372 OCCT_IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_MeasureDriver,GEOM_BaseDriver);