1 // Copyright (C) 2007-2008 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.
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
22 #include <Standard_Stream.hxx>
24 #include <GEOMImpl_LineDriver.hxx>
25 #include <GEOMImpl_ILine.hxx>
26 #include <GEOMImpl_Types.hxx>
27 #include <GEOM_Function.hxx>
29 #include <BRep_Tool.hxx>
30 #include <BRepBuilderAPI_MakeEdge.hxx>
31 #include <BRepAlgoAPI_Section.hxx>
35 #include <TopoDS_Edge.hxx>
36 #include <TopoDS_Shape.hxx>
37 #include <TopoDS_Vertex.hxx>
38 #include <TopExp_Explorer.hxx>
39 #include <TopTools_MapOfShape.hxx>
42 #include <Precision.hxx>
43 #include <Standard_ConstructionError.hxx>
44 #include <Standard_NullObject.hxx>
46 //=======================================================================
49 //=======================================================================
50 const Standard_GUID& GEOMImpl_LineDriver::GetID()
52 static Standard_GUID aLineDriver("FF1BBB06-5D14-4df2-980B-3A668264EA16");
57 //=======================================================================
58 //function : GEOMImpl_LineDriver
60 //=======================================================================
61 GEOMImpl_LineDriver::GEOMImpl_LineDriver()
65 //=======================================================================
68 //=======================================================================
69 Standard_Integer GEOMImpl_LineDriver::Execute(TFunction_Logbook& log) const
71 if (Label().IsNull()) return 0;
72 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
74 GEOMImpl_ILine aPI (aFunction);
75 Standard_Integer aType = aFunction->GetType();
79 if (aType == LINE_TWO_PNT) {
80 Handle(GEOM_Function) aRefPnt1 = aPI.GetPoint1();
81 Handle(GEOM_Function) aRefPnt2 = aPI.GetPoint2();
82 TopoDS_Shape aShape1 = aRefPnt1->GetValue();
83 TopoDS_Shape aShape2 = aRefPnt2->GetValue();
84 if (aShape1.ShapeType() != TopAbs_VERTEX ||
85 aShape2.ShapeType() != TopAbs_VERTEX) {
86 Standard_ConstructionError::Raise("Wrong arguments: two points must be given");
88 if (aShape1.IsSame(aShape2)) {
89 Standard_ConstructionError::Raise("The end points must be different");
91 gp_Pnt P1 = BRep_Tool::Pnt(TopoDS::Vertex(aShape1));
92 gp_Pnt P2 = BRep_Tool::Pnt(TopoDS::Vertex(aShape2));
93 if (P1.Distance(P2) < Precision::Confusion()) {
94 Standard_ConstructionError::Raise("The end points are too close");
96 aShape = BRepBuilderAPI_MakeEdge(P1, P2).Shape();
98 } else if (aType == LINE_TWO_FACES) {
99 Handle(GEOM_Function) aRefFace1 = aPI.GetFace1();
100 Handle(GEOM_Function) aRefFace2 = aPI.GetFace2();
101 TopoDS_Shape aShape1 = aRefFace1->GetValue();
102 TopoDS_Shape aShape2 = aRefFace2->GetValue();
103 if (aShape1.ShapeType() != TopAbs_FACE ||
104 aShape2.ShapeType() != TopAbs_FACE) {
105 Standard_ConstructionError::Raise("Wrong arguments: two faces must be given");
107 if (aShape1.IsSame(aShape2)) {
108 Standard_ConstructionError::Raise("The end faces must be different");
110 BRepAlgoAPI_Section E (aShape1, aShape2, Standard_False);
111 E.Approximation(Standard_True);
114 Standard_ConstructionError::Raise("Line can not be performed on the given faces");
118 TopExp_Explorer Exp (E, TopAbs_EDGE);
120 aShape = Exp.Current();
125 Standard_ConstructionError::Raise("Faces not have intersection line");
132 } else if (aType == LINE_PNT_DIR) {
133 Handle(GEOM_Function) aRefPnt = aPI.GetPoint1();
134 Handle(GEOM_Function) aRefDir = aPI.GetPoint2();
135 TopoDS_Shape aShape1 = aRefPnt->GetValue();
136 TopoDS_Shape aShape2 = aRefDir->GetValue();
137 if (aShape1.ShapeType() != TopAbs_VERTEX) {
138 Standard_ConstructionError::Raise("Wrong first argument: must be point");
140 if (aShape2.ShapeType() != TopAbs_EDGE) {
141 Standard_ConstructionError::Raise("Wrong second argument: must be vector");
143 if (aShape1.IsSame(aShape2)) {
144 Standard_ConstructionError::Raise("The end points must be different");
146 gp_Pnt P1 = BRep_Tool::Pnt(TopoDS::Vertex(aShape1));
148 TopoDS_Edge anE = TopoDS::Edge(aShape2);
149 TopoDS_Vertex V1, V2;
150 TopExp::Vertices(anE, V1, V2, Standard_True);
151 if (V1.IsNull() || V2.IsNull()) {
152 Standard_NullObject::Raise("Line creation aborted: vector is not defined");
154 gp_Pnt PV1 = BRep_Tool::Pnt(V1);
155 gp_Pnt PV2 = BRep_Tool::Pnt(V2);
156 if (PV1.Distance(PV2) < Precision::Confusion()) {
157 Standard_ConstructionError::Raise("Vector with null magnitude");
160 gp_Pnt P2 (P1.XYZ() + PV2.XYZ() - PV1.XYZ());
161 aShape = BRepBuilderAPI_MakeEdge(P1, P2).Shape();
165 if (aShape.IsNull()) return 0;
166 aShape.Infinite(true);
168 aFunction->SetValue(aShape);
170 log.SetTouched(Label());
176 //=======================================================================
177 //function : GEOMImpl_LineDriver_Type_
179 //=======================================================================
180 Standard_EXPORT Handle_Standard_Type& GEOMImpl_LineDriver_Type_()
183 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
184 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
185 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
186 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
187 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
188 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
191 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
192 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_LineDriver",
193 sizeof(GEOMImpl_LineDriver),
195 (Standard_Address)_Ancestors,
196 (Standard_Address)NULL);
201 //=======================================================================
202 //function : DownCast
204 //=======================================================================
205 const Handle(GEOMImpl_LineDriver) Handle(GEOMImpl_LineDriver)::DownCast
206 (const Handle(Standard_Transient)& AnObject)
208 Handle(GEOMImpl_LineDriver) _anOtherObject;
210 if (!AnObject.IsNull()) {
211 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_LineDriver))) {
212 _anOtherObject = Handle(GEOMImpl_LineDriver)((Handle(GEOMImpl_LineDriver)&)AnObject);
216 return _anOtherObject ;