//=========================================================================== // GoTools Core - SINTEF Geometry Tools Core library, version 2.0.1 // // Copyright (C) 2000-2007, 2010 SINTEF ICT, Applied Mathematics, Norway. // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation version 2 of the License. // // This program 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., // 59 Temple Place - Suite 330, // Boston, MA 02111-1307, USA. // // Contact information: E-mail: tor.dokken@sintef.no // SINTEF ICT, Department of Applied Mathematics, // P.O. Box 124 Blindern, // 0314 Oslo, Norway. // // Other licenses are also available for this software, notably licenses // for: // - Building commercial software. // - Building software whose source code you wish to keep private. //===========================================================================
00001 #ifndef _BLENDINGCURVE_ 00002 #define _BLENDINGCURVE_ 00003 00004 #include "GoTools/creators/EvalCurve.h" 00005 #include "GoTools/geometry/SplineCurve.h" 00006 #include <vector> 00007 #include <boost/smart_ptr.hpp> 00008 00009 00010 namespace Go 00011 { 00012 00017 00018 class CrossTangentOffset : public EvalCurve 00019 { 00020 public: 00021 00035 CrossTangentOffset(boost::shared_ptr<SplineCurve>& poscurve, 00036 boost::shared_ptr<SplineCurve>& tangcv1, 00037 boost::shared_ptr<SplineCurve>& tangcv2, 00038 boost::shared_ptr<SplineCurve>& blend1, 00039 boost::shared_ptr<SplineCurve>& blend2); 00040 00041 00043 virtual ~CrossTangentOffset(); 00044 00045 // Inherited from EvalCurve 00046 virtual Point eval( double t) const ; 00047 00048 // Inherited from EvalCurve 00049 virtual void eval( double t, int n, Point der[]) const ; // n = order of diff 00050 00051 // Inherited from EvalCurve 00052 virtual double start() const ; 00053 00054 // Inherited from EvalCurve 00055 virtual double end() const ; 00056 00057 // Inherited from EvalCurve 00058 virtual int dim() const ; 00059 00076 virtual bool approximationOK(double par, Point approxpos, 00077 double tol1, double tol2) const ; 00078 00079 private: 00080 const boost::shared_ptr<SplineCurve> poscurve_; 00081 std::vector<boost::shared_ptr<SplineCurve> > tangcurves_; // will always have 2 elements 00082 std::vector<boost::shared_ptr<SplineCurve> > blends_; // will always have two elemnets 00083 boost::shared_ptr<SplineCurve> length_; 00084 00085 void evalcrtan(double t, int n, Point der[]) const ; 00086 Point evalcrtan(double t) const ; 00087 }; 00088 00089 } 00090 #endif