00001 //=========================================================================== 00002 // GoTools - SINTEF Geometry Tools version 1.1 00003 // 00004 // GoTools module: CORE 00005 // 00006 // Copyright (C) 2000-2007 SINTEF ICT, Applied Mathematics, Norway. 00007 // 00008 // This program is free software; you can redistribute it and/or 00009 // modify it under the terms of the GNU General Public License 00010 // as published by the Free Software Foundation version 2 of the License. 00011 // 00012 // This program is distributed in the hope that it will be useful, 00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 // GNU General Public License for more details. 00016 // 00017 // You should have received a copy of the GNU General Public License 00018 // along with this program; if not, write to the Free Software 00019 // Foundation, Inc., 00020 // 59 Temple Place - Suite 330, 00021 // Boston, MA 02111-1307, USA. 00022 // 00023 // Contact information: E-mail: tor.dokken@sintef.no 00024 // SINTEF ICT, Department of Applied Mathematics, 00025 // P.O. Box 124 Blindern, 00026 // 0314 Oslo, Norway. 00027 // 00028 // Other licenses are also available for this software, notably licenses 00029 // for: 00030 // - Building commercial software. 00031 // - Building software whose source code you wish to keep private. 00032 //=========================================================================== 00033 #ifndef _GOHERMITEAPPC_H_ 00034 #define _GOHERMITEAPPC_H_ 00035 00036 #include "EvalCurve.h" 00037 #include "SplineCurve.h" 00038 #include "HermiteGrid1D.h" 00039 00040 00041 namespace Go 00042 { 00045 00046 00050 00051 class HermiteAppC 00052 { 00053 public: 00054 00060 HermiteAppC(EvalCurve* crv, double tolerance1, double tolerance2); 00061 00072 HermiteAppC(EvalCurve* crv, double initpars[],int n, 00073 double tolerance1, double tolerance2); 00074 00076 ~HermiteAppC(){} 00077 00081 void refineApproximation(); // Refine Hermite Grid. 00082 00086 boost::shared_ptr<SplineCurve> getCurve(); 00087 00088 private: 00089 EvalCurve* curve_; // Pointer to original curve existing outside *this. 00090 const double tol1_; 00091 const double tol2_; 00092 const double min_interval_; // Smaller intervals are not refined 00093 HermiteGrid1D grid_; 00094 boost::shared_ptr<SplineCurve> curve_approx_; // Spline representation of approximation 00095 00096 bool testSegment(int j, double& new_knot); // Distance to _original 00097 int bisectSegment(int); 00098 00099 00100 00101 }; 00102 00104 } // namespace Go; 00105 00106 #endif 00107