HermiteAppC.h

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 

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