1 // Copyright (C) 2014-2017 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
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
21 #include <PlaneGCSSolver_EdgeWrapper.h>
24 PlaneGCSSolver_EdgeWrapper::PlaneGCSSolver_EdgeWrapper(const GCSCurvePtr theEntity)
27 std::shared_ptr<GCS::Line> aLine = std::dynamic_pointer_cast<GCS::Line>(myEntity);
28 if (aLine) myType = ENTITY_LINE;
30 std::shared_ptr<GCS::Arc> anArc = std::dynamic_pointer_cast<GCS::Arc>(myEntity);
31 if (anArc) myType = ENTITY_ARC;
33 std::shared_ptr<GCS::Circle> aCircle = std::dynamic_pointer_cast<GCS::Circle>(myEntity);
34 if (aCircle) myType = ENTITY_CIRCLE;
39 static double squareDistance(const GCS::Point& theP1, const GCS::Point& theP2)
41 double dx = *theP1.x - *theP2.x;
42 double dy = *theP1.y - *theP2.y;
46 bool PlaneGCSSolver_EdgeWrapper::isDegenerated() const
48 static const double aSqTol = tolerance * 1e-2;
49 static const double aMaxRadius = 1e8;
50 if (myType == ENTITY_LINE) {
51 std::shared_ptr<GCS::Line> aLine = std::dynamic_pointer_cast<GCS::Line>(myEntity);
52 return squareDistance(aLine->p1, aLine->p2) < aSqTol;
54 else if (myType == ENTITY_CIRCLE) {
55 std::shared_ptr<GCS::Circle> aCircle = std::dynamic_pointer_cast<GCS::Circle>(myEntity);
56 return *aCircle->rad < tolerance || *aCircle->rad > aMaxRadius;
58 else if (myType == ENTITY_ARC) {
59 static const double anAngleTol = 1.e-5;
60 std::shared_ptr<GCS::Arc> anArc = std::dynamic_pointer_cast<GCS::Arc>(myEntity);
61 double anAngleDiff = fabs(*anArc->startAngle - *anArc->endAngle);
62 double aSqRadius = squareDistance(anArc->center, anArc->start);
63 return aSqRadius < aSqTol || aSqRadius > aMaxRadius * aMaxRadius || // <- arc radius
64 anAngleDiff < anAngleTol || fabs(anAngleDiff - 2*PI) < anAngleTol; // <- arc angle