1 // Copyright (C) 2014-2019 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "GeomAlgoAPI_Rotation.h"
22 #include <GeomAPI_XYZ.h>
24 #include <BRepBuilderAPI_Transform.hxx>
30 #include <Precision.hxx>
32 //=================================================================================================
33 GeomAlgoAPI_Rotation::GeomAlgoAPI_Rotation(std::shared_ptr<GeomAPI_Shape> theSourceShape,
34 std::shared_ptr<GeomAPI_Ax1> theAxis,
37 myMethodType = BY_ANGLE;
38 mySourceShape = theSourceShape;
44 //=================================================================================================
45 GeomAlgoAPI_Rotation::GeomAlgoAPI_Rotation(std::shared_ptr<GeomAPI_Shape> theSourceShape,
46 std::shared_ptr<GeomAPI_Pnt> theCenterPoint,
47 std::shared_ptr<GeomAPI_Pnt> theStartPoint,
48 std::shared_ptr<GeomAPI_Pnt> theEndPoint)
50 myMethodType = BY_POINTS;
51 mySourceShape = theSourceShape;
52 myCenterPoint = theCenterPoint;
53 myStartPoint = theStartPoint;
54 myEndPoint = theEndPoint;
57 //=================================================================================================
58 bool GeomAlgoAPI_Rotation::check()
60 switch (myMethodType) {
63 myError = "Rotation builder :: axis is not valid.";
67 myError = "Rotation builder :: source shape is not valid.";
74 myError = "Rotation builder :: center point is not valid.";
78 myError = "Rotation builder :: start point is not valid.";
82 myError = "Rotation builder :: end point is not valid.";
86 myError = "Rotation builder :: source shape is not valid.";
89 if(myCenterPoint->distance(myStartPoint) < Precision::Confusion()) {
90 myError = "Rotation builder :: center point and start point coincide.";
93 if(myCenterPoint->distance(myEndPoint) < Precision::Confusion()) {
94 myError = "Rotation builder :: center point and end point coincide.";
97 if(myStartPoint->distance(myEndPoint) < Precision::Confusion()) {
98 myError = "Rotation builder :: start point and end point coincide.";
101 std::shared_ptr<GeomAPI_XYZ> aCenterPointXYZ = myCenterPoint->xyz();
102 std::shared_ptr<GeomAPI_XYZ> aStartPointXYZ = myStartPoint->xyz();
103 std::shared_ptr<GeomAPI_XYZ> aEndPointXYZ = myEndPoint->xyz();
104 std::shared_ptr<GeomAPI_XYZ> vectCenterPointStartPoint =
105 aStartPointXYZ->decreased(aCenterPointXYZ);
106 std::shared_ptr<GeomAPI_XYZ> vectCenterPointEndPoint =
107 aEndPointXYZ->decreased(aCenterPointXYZ);
108 std::shared_ptr<GeomAPI_XYZ> crossProduct =
109 vectCenterPointStartPoint->cross(vectCenterPointEndPoint);
110 std::shared_ptr<GeomAPI_Pnt> aOriginPnt =
111 std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(0.,0.,0.));
112 std::shared_ptr<GeomAPI_XYZ> aOriginXYZ = aOriginPnt->xyz();
114 if (crossProduct->distance(aOriginXYZ) < Precision::Confusion()) {
115 myError = "Rotation builder :: center point, start point and end point are on a line.";
121 myError = "Rotation builder :: method not implemented.";
127 //=================================================================================================
128 void GeomAlgoAPI_Rotation::build()
130 gp_Trsf* aTrsf = new gp_Trsf();
132 switch (myMethodType) {
134 const gp_Ax1& anAxis = myAxis->impl<gp_Ax1>();
135 aTrsf->SetRotation(anAxis, myAngle/180.0*M_PI);
139 const gp_Pnt& aCenterPoint = myCenterPoint->impl<gp_Pnt>();
140 const gp_Pnt& aStartPoint = myStartPoint->impl<gp_Pnt>();
141 const gp_Pnt& aEndPoint = myEndPoint->impl<gp_Pnt>();
142 gp_Vec aVec1(aCenterPoint, aStartPoint);
143 gp_Vec aVec2(aCenterPoint, aEndPoint);
144 gp_Dir aDir(aVec1^aVec2);
145 gp_Ax1 anAxis(aCenterPoint, aDir);
146 double anAngle = aVec1.Angle(aVec2);
147 if (fabs(anAngle) < Precision::Angular()) anAngle += 2.*M_PI;
148 aTrsf->SetRotation(anAxis, anAngle);
152 myError = "Rotation builder :: method not supported";
157 const TopoDS_Shape& aSourceShape = mySourceShape->impl<TopoDS_Shape>();
159 if(aSourceShape.IsNull()) {
160 myError = "Rotation builder :: source shape does not contain any actual shape.";
164 // Transform the shape while copying it.
165 BRepBuilderAPI_Transform* aBuilder = new BRepBuilderAPI_Transform(aSourceShape, *aTrsf, true);
167 myError = "Rotation builder :: transform initialization failed.";
172 setBuilderType(OCCT_BRepBuilderAPI_MakeShape);
174 if(!aBuilder->IsDone()) {
175 myError = "Rotation builder :: algorithm failed.";
179 TopoDS_Shape aResult = aBuilder->Shape();
181 std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
182 aShape->setImpl(new TopoDS_Shape(aResult));