X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FGeomAlgoAPI%2FGeomAlgoAPI_Circ2dBuilder.cpp;h=f0d92c7f75d22d6c043c9c57913bd564f281cdfe;hb=1c3738ae81b02ba62136ac03a53a81a532b95141;hp=dbe5cbaa27d96f27938086ca410c088e8a7c5a94;hpb=e22dfde666a58a2fb092c3bb9ab9b30cd30a0f5b;p=modules%2Fshaper.git

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_Circ2dBuilder.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_Circ2dBuilder.cpp
index dbe5cbaa2..f0d92c7f7 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_Circ2dBuilder.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_Circ2dBuilder.cpp
@@ -1,8 +1,22 @@
-// Copyright (C) 2017-20xx CEA/DEN, EDF R&D
-
-// File:        GeomAlgoAPI_Circ2dBuilder.cpp
-// Created:     3 April 2017
-// Author:      Artem ZHIDKOV
+// Copyright (C) 2014-2017  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
 
 #include <GeomAlgoAPI_Circ2dBuilder.h>
 #include <GeomAPI_Ax3.h>
@@ -125,9 +139,11 @@ private:
   Circ2dPtr circleByCenterAndPassingPoint()
   {
     const gp_Pnt2d& aCenter = myCenter->impl<gp_Pnt2d>();
-    GccAna_Circ2dTanCen aBuilder(myPassingPoints[0], aCenter);
-    if (aBuilder.NbSolutions() > 0)
-      return Circ2dPtr(new gp_Circ2d(aBuilder.ThisSolution(1)));
+    if (aCenter.SquareDistance(myPassingPoints[0]) > Precision::SquareConfusion()) {
+      GccAna_Circ2dTanCen aBuilder(myPassingPoints[0], aCenter);
+      if (aBuilder.NbSolutions() > 0)
+        return Circ2dPtr(new gp_Circ2d(aBuilder.ThisSolution(1)));
+    }
     return Circ2dPtr();
   }
 
@@ -137,7 +153,8 @@ private:
     CurveAdaptorPtr aCurve = myTangentShapes[0];
 
     std::shared_ptr<GccAna_Circ2dTanCen> aCircleBuilder;
-    if (aCurve->GetType() == GeomAbs_Line) {
+    if (aCurve->GetType() == GeomAbs_Line &&
+        aCurve->Line().Distance(aCenter) > Precision::Confusion()) {
       aCircleBuilder = std::shared_ptr<GccAna_Circ2dTanCen>(
           new GccAna_Circ2dTanCen(aCurve->Line(), aCenter));
     } else if (aCurve->GetType() == GeomAbs_Circle) {
@@ -164,7 +181,7 @@ private:
 
     double aParSol, aPonTgCurve;
     gp_Pnt2d aTgPnt;
-    for (int i = 1; i <= aNbSol && aCurve; ++i) {
+    for (int i = 1; i <= aNbSol && aNbSol > 1 && aCurve; ++i) {
       theBuilder->Tangency1(i, aParSol, aPonTgCurve, aTgPnt);
       if (isParamOnCurve(aPonTgCurve, aCurve)) {
         double aDist = distanceToClosestPoint(theBuilder->ThisSolution(i));
@@ -305,7 +322,7 @@ private:
 
     double aParSol, aPonTgCurve;
     gp_Pnt2d aTgPnt;
-    for (int i = 1; i <= aNbSol; ++i) {
+    for (int i = 1; i <= aNbSol && aNbSol > 1; ++i) {
       bool isApplicable = false;
       if (myTangentShapes.size() >= 1) {
         theBuilder->Tangency1(i, aParSol, aPonTgCurve, aTgPnt);
@@ -377,7 +394,7 @@ private:
 
     double aParSol, aPonTgCurve;
     gp_Pnt2d aTgPnt;
-    for (int i = 1; i <= aNbSol; ++i) {
+    for (int i = 1; i <= aNbSol && aNbSol > 1; ++i) {
       bool isApplicable = false;
       if (myTangentShapes.size() >= 1) {
         theBuilder->Tangency1(i, aParSol, aPonTgCurve, aTgPnt);
@@ -429,14 +446,19 @@ private:
   }
 
 
-  // boundary parameters of curve are NOT applied
-  static bool isParamInCurve(double& theParameter, const CurveAdaptorPtr& theCurve)
+  static void adjustPeriod(double& theParameter, const CurveAdaptorPtr& theCurve)
   {
     if (theCurve->Curve()->IsPeriodic()) {
       theParameter = ElCLib::InPeriod(theParameter,
                                       theCurve->FirstParameter(),
                                       theCurve->FirstParameter() + theCurve->Period());
     }
+  }
+
+  // boundary parameters of curve are NOT applied
+  static bool isParamInCurve(double& theParameter, const CurveAdaptorPtr& theCurve)
+  {
+    adjustPeriod(theParameter, theCurve);
     return theParameter > theCurve->FirstParameter() &&
            theParameter < theCurve->LastParameter();
   }
@@ -444,11 +466,7 @@ private:
   // boundary parameters of curve are applied too
   static bool isParamOnCurve(double& theParameter, const CurveAdaptorPtr& theCurve)
   {
-    if (theCurve->IsPeriodic()) {
-      theParameter = ElCLib::InPeriod(theParameter,
-                                      theCurve->FirstParameter(),
-                                      theCurve->FirstParameter() + theCurve->Period());
-    }
+    adjustPeriod(theParameter, theCurve);
     return theParameter >= theCurve->FirstParameter() &&
            theParameter <= theCurve->LastParameter();
   }
@@ -525,7 +543,7 @@ std::shared_ptr<GeomAPI_Circ2d> GeomAlgoAPI_Circ2dBuilder::circle()
   std::shared_ptr<GeomAPI_Circ2d> aCircle;
   if (aCirc2d) {
     const gp_Pnt2d& aCenter = aCirc2d->Location();
-    const gp_Dir2d& aXAxis = aCirc2d->XAxis().Direction();
+    const gp_Dir2d& aXAxis = aCirc2d->Position().XDirection();
 
     std::shared_ptr<GeomAPI_Pnt2d> aCircleCenter(new GeomAPI_Pnt2d(aCenter.X(), aCenter.Y()));
     std::shared_ptr<GeomAPI_Dir2d> aCircleDir(new GeomAPI_Dir2d(aXAxis.X(), aXAxis.Y()));