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<GeomAPI_Edge.h>
21 #include<GeomAPI_Pln.h>
22 #include<GeomAPI_Pnt.h>
23 #include<GeomAPI_Circ.h>
24 #include<GeomAPI_Dir.h>
25 #include<GeomAPI_Lin.h>
26 #include<GeomAPI_Ax2.h>
27 #include<GeomAPI_Ellipse.h>
29 #include <BRepAdaptor_Curve.hxx>
31 #include <TopoDS_Shape.hxx>
32 #include <TopoDS_Edge.hxx>
34 #include <BRep_Builder.hxx>
35 #include <BRep_Tool.hxx>
37 #include <GCPnts_UniformAbscissa.hxx>
38 #include <Geom_Curve.hxx>
39 #include <Geom_Line.hxx>
40 #include <Geom_Circle.hxx>
41 #include <Geom_TrimmedCurve.hxx>
42 #include <Geom_Ellipse.hxx>
43 #include <Geom_Plane.hxx>
44 #include <GeomAPI_IntCS.hxx>
45 #include <GeomAdaptor_Curve.hxx>
48 #include <gp_Elips.hxx>
51 #include <GCPnts_AbscissaPoint.hxx>
53 GeomAPI_Edge::GeomAPI_Edge()
55 TopoDS_Edge* anEdge = new TopoDS_Edge;
57 BRep_Builder aBuilder;
58 aBuilder.MakeEdge(*anEdge);
63 GeomAPI_Edge::GeomAPI_Edge(const std::shared_ptr<GeomAPI_Shape>& theShape)
65 if (!theShape->isNull() && theShape->isEdge()) {
66 setImpl(new TopoDS_Shape(theShape->impl<TopoDS_Shape>()));
70 bool GeomAPI_Edge::isLine() const
72 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
74 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
75 if (aCurve.IsNull()) // degenerative edge
77 if (aCurve->IsKind(STANDARD_TYPE(Geom_Line)))
82 /// extracts a circle curve from the arbitrary curve, returns null is it is different type
83 static Handle(Geom_Circle) circ(const Handle(Geom_Curve) theCurve)
85 Handle(Geom_Circle) aResult = Handle(Geom_Circle)::DownCast(theCurve);
86 if (!aResult.IsNull())
88 // check this may be a trimmed curve that contains circle inside
89 Handle(Geom_TrimmedCurve) aTrimmed = Handle(Geom_TrimmedCurve)::DownCast(theCurve);
90 while(!aTrimmed.IsNull()) {
91 aResult = Handle(Geom_Circle)::DownCast(aTrimmed->BasisCurve());
92 if (!aResult.IsNull())
94 aTrimmed = Handle(Geom_TrimmedCurve)::DownCast(aTrimmed->BasisCurve());
96 return aResult; // null, not circle
99 bool GeomAPI_Edge::isCircle() const
101 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
102 double aFirst, aLast;
103 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
104 if (!circ(aCurve).IsNull()) {
105 // Check the difference of first and last parameters to be equal to the curve period
106 if (Abs(aLast - aFirst - aCurve->Period()) < Precision::PConfusion())
112 bool GeomAPI_Edge::isArc() const
114 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
115 double aFirst, aLast;
116 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
117 if (!circ(aCurve).IsNull()) {
118 // Check the difference of first and last parameters is not equal the curve period
119 if (Abs(aLast - aFirst - aCurve->Period()) >= Precision::PConfusion())
125 bool GeomAPI_Edge::isEllipse() const
127 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
128 double aFirst, aLast;
129 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
130 if (aCurve.IsNull()) // degenerative edge
132 if (aCurve->IsKind(STANDARD_TYPE(Geom_Ellipse)))
137 std::shared_ptr<GeomAPI_Pnt> GeomAPI_Edge::firstPoint()
139 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
140 double aFirst, aLast;
141 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
143 aCurve->D0(aFirst, aPoint);
144 return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
147 std::shared_ptr<GeomAPI_Pnt> GeomAPI_Edge::lastPoint()
149 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
150 double aFirst, aLast;
151 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
153 aCurve->D0(aLast, aPoint);
154 return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
157 std::shared_ptr<GeomAPI_Circ> GeomAPI_Edge::circle() const
159 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
160 double aFirst, aLast;
161 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
162 Handle(Geom_Circle) aCirc = circ(aCurve);
163 if (!aCirc.IsNull()) {
164 gp_Pnt aLoc = aCirc->Location();
165 std::shared_ptr<GeomAPI_Pnt> aCenter(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
166 gp_Dir anAxis = aCirc->Axis().Direction();
167 std::shared_ptr<GeomAPI_Dir> aDir(new GeomAPI_Dir(anAxis.X(), anAxis.Y(), anAxis.Z()));
168 return std::shared_ptr<GeomAPI_Circ>(new GeomAPI_Circ(aCenter, aDir, aCirc->Radius()));
170 return std::shared_ptr<GeomAPI_Circ>(); // not circle
173 std::shared_ptr<GeomAPI_Ellipse> GeomAPI_Edge::ellipse() const
175 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
176 double aFirst, aLast;
177 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
178 if (!aCurve.IsNull()) {
179 Handle(Geom_Ellipse) aElips = Handle(Geom_Ellipse)::DownCast(aCurve);
180 if (!aElips.IsNull()) {
181 gp_Elips aGpElips = aElips->Elips();
182 std::shared_ptr<GeomAPI_Ellipse> aEllipse(new GeomAPI_Ellipse());
183 aEllipse->setImpl(new gp_Elips(aGpElips));
187 return std::shared_ptr<GeomAPI_Ellipse>(); // not ellipse
190 std::shared_ptr<GeomAPI_Lin> GeomAPI_Edge::line() const
192 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
193 double aFirst, aLast;
194 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
196 Handle(Geom_Line) aLine = Handle(Geom_Line)::DownCast(aCurve);
198 gp_Pnt aStartPnt = aLine->Value(aFirst);
199 std::shared_ptr<GeomAPI_Pnt> aStart(
200 new GeomAPI_Pnt(aStartPnt.X(), aStartPnt.Y(), aStartPnt.Z()));
201 gp_Pnt aEndPnt = aLine->Value(aLast);
202 std::shared_ptr<GeomAPI_Pnt> aEnd(
203 new GeomAPI_Pnt(aEndPnt.X(), aEndPnt.Y(), aEndPnt.Z()));
204 return std::shared_ptr<GeomAPI_Lin>(new GeomAPI_Lin(aStart, aEnd));
207 return std::shared_ptr<GeomAPI_Lin>(); // not circle
211 bool GeomAPI_Edge::isEqual(const std::shared_ptr<GeomAPI_Shape> theEdge) const
213 if (!theEdge.get() || ! theEdge->isEdge())
215 const TopoDS_Shape& aMyShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
216 const TopoDS_Shape& aInShape = theEdge->impl<TopoDS_Shape>();
218 if (aMyShape.IsNull() || aInShape.IsNull())
221 if (aMyShape.ShapeType() != aInShape.ShapeType())
224 double aMyStart, aMyEnd;
225 Handle(Geom_Curve) aMyCurve = BRep_Tool::Curve(TopoDS::Edge(aMyShape), aMyStart, aMyEnd);
226 double aInStart, aInEnd;
227 Handle(Geom_Curve) aInCurve = BRep_Tool::Curve(TopoDS::Edge(aInShape), aInStart, aInEnd);
229 // Check that end point parameters are the same
230 if ((aMyStart != aInStart) || (aMyEnd != aInEnd))
233 // Check that curves a the same type
234 GeomAdaptor_Curve aMyAdaptor(aMyCurve);
235 GeomAdaptor_Curve aInAdaptor(aInCurve);
236 if (aMyAdaptor.GetType() != aInAdaptor.GetType())
239 // Check that end points are equal
240 gp_Pnt aMyPnt1 = aMyAdaptor.Value(aMyStart);
241 gp_Pnt aMyPnt2 = aMyAdaptor.Value(aMyEnd);
242 gp_Pnt aInPnt1 = aInAdaptor.Value(aInStart);
243 gp_Pnt aInPnt2 = aInAdaptor.Value(aInEnd);
245 if ((!aMyPnt1.IsEqual(aInPnt1, Precision::Confusion())) ||
246 (!aMyPnt2.IsEqual(aInPnt2, Precision::Confusion())))
253 void GeomAPI_Edge::getRange(double& theFirst, double& theLast) const
255 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
256 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, theFirst, theLast);
259 bool GeomAPI_Edge::isInPlane(std::shared_ptr<GeomAPI_Pln> thePlane) const
261 double aFirst, aLast;
262 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
263 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
268 thePlane->coefficients(A, B, C, D);
269 gp_Pln aPlane(A, B, C, D);
271 bool inPlane = false;
272 if (aCurve->IsKind(STANDARD_TYPE(Geom_Line))) {
273 // check start and end points on the plane
274 gp_Pnt aFirstPnt = aCurve->Value(aFirst);
275 gp_Pnt aLastPnt = aCurve->Value(aLast);
276 inPlane = aPlane.SquareDistance(aFirstPnt) < Precision::SquareConfusion() &&
277 aPlane.SquareDistance(aLastPnt) < Precision::SquareConfusion();
279 Handle(Geom_Circle) aCirc = circ(aCurve);
280 if (!aCirc.IsNull()) {
281 gp_Pnt aCenter = aCirc->Location();
282 Standard_Real aDot = aPlane.Axis().Direction().Dot(aCirc->Axis().Direction());
283 inPlane = aPlane.SquareDistance(aCenter) < Precision::SquareConfusion() &&
284 Abs(Abs(aDot) - 1.0) < Precision::Confusion();
286 // three points checking
287 gp_Pnt aFirstPnt = aCurve->Value(aFirst);
288 gp_Pnt aMidPnt = aCurve->Value((aFirst + aLast) / 2.);
289 gp_Pnt aLastPnt = aCurve->Value(aLast);
290 inPlane = aPlane.SquareDistance(aFirstPnt) < Precision::SquareConfusion() &&
291 aPlane.SquareDistance(aMidPnt) < Precision::SquareConfusion() &&
292 aPlane.SquareDistance(aLastPnt) < Precision::SquareConfusion();
299 void GeomAPI_Edge::intersectWithPlane(const std::shared_ptr<GeomAPI_Pln> thePlane,
300 std::list<std::shared_ptr<GeomAPI_Pnt>>& theResult) const
302 double aFirst, aLast;
303 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
304 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
305 if (!aCurve.IsNull()) {
307 thePlane->coefficients(A, B, C, D);
308 gp_Pln aPln(A, B, C, D);
310 Handle(Geom_Plane) aPlane = new Geom_Plane(aPln);
311 GeomAPI_IntCS aIntersect;
312 aIntersect.Perform(aCurve, aPlane);
313 if (aIntersect.IsDone() && (aIntersect.NbPoints() > 0)) {
315 for (int i = 1; i <= aIntersect.NbPoints(); i++) {
316 // check the parameter of intersection in the edge range
317 aIntersect.Parameters(i, A, B, C);
318 if (aCurve->IsPeriodic())
319 C = ElCLib::InPeriod(C, aFirst, aFirst + aCurve->Period());
320 if (C < aFirst - Precision::PConfusion() || C > aLast + Precision::PConfusion())
323 // obtain intersection point
324 aPnt = aIntersect.Point(i);
325 std::shared_ptr<GeomAPI_Pnt> aPntPtr(new GeomAPI_Pnt(aPnt.X(), aPnt.Y(), aPnt.Z()));
326 theResult.push_back(aPntPtr);
332 double GeomAPI_Edge::length() const
334 const TopoDS_Edge& anEdge = TopoDS::Edge(impl<TopoDS_Shape>());
335 BRepAdaptor_Curve aBRepAdaptor = BRepAdaptor_Curve(anEdge);
336 Adaptor3d_Curve* anAdaptor3d = &aBRepAdaptor;
337 return GCPnts_AbscissaPoint::Length(*anAdaptor3d);
340 bool GeomAPI_Edge::isClosed() const
342 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
345 double aFirst, aLast;
346 Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
347 if (aCurve.IsNull() || !aCurve->IsPeriodic())
349 aLast += aLast > aFirst ? -aCurve->Period() : aCurve->Period();;
351 return fabs(aFirst - aLast) < 1.e-9;
354 bool GeomAPI_Edge::isDegenerated() const
356 const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
357 if (aShape.IsNull() || aShape.ShapeType() != TopAbs_EDGE)
359 return BRep_Tool::Degenerated(TopoDS::Edge(aShape));
362 void GeomAPI_Edge::setFirstPointTolerance(const double theTolerance)
364 TopoDS_Edge anEdge = impl<TopoDS_Edge>();
365 TopoDS_Vertex aVFirst, aVLast;
366 TopExp::Vertices(anEdge, aVFirst, aVLast);
367 BRep_Builder().UpdateVertex(aVFirst, theTolerance);
370 void GeomAPI_Edge::setLastPointTolerance(const double theTolerance)
372 TopoDS_Edge anEdge = impl<TopoDS_Edge>();
373 TopoDS_Vertex aVFirst, aVLast;
374 TopExp::Vertices(anEdge, aVFirst, aVLast);
375 BRep_Builder().UpdateVertex(aVLast, theTolerance);
378 GeomPointPtr GeomAPI_Edge::middlePoint() const
380 GeomPointPtr aMiddlePoint;
382 const TopoDS_Edge& anEdge = impl<TopoDS_Edge>();
385 double aFirst, aLast;
386 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
390 static const int NB_POINTS = 3;
391 GeomAdaptor_Curve aCurveAdaptor(aCurve, aFirst, aLast);
392 GCPnts_UniformAbscissa anAlgo(aCurveAdaptor, NB_POINTS);
393 if (anAlgo.IsDone()) {
394 gp_Pnt aPnt = aCurveAdaptor.Value(anAlgo.Parameter(2));
395 aMiddlePoint = GeomPointPtr(new GeomAPI_Pnt(aPnt.X(), aPnt.Y(), aPnt.Z()));