HermiteGrid1D.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 _GOHERMITEGRID1D_
00034 #define _GOHERMITEGRID1D_
00035 
00036 #include <vector>
00037 #include "Point.h"
00038 
00039 namespace Go
00040 {
00043 
00044 
00045 class EvalCurve;
00046 
00051 
00052 class HermiteGrid1D
00053 {
00054 public:
00055 
00062     HermiteGrid1D(const EvalCurve& crv, double start, double end);
00063 
00070     HermiteGrid1D(const EvalCurve& crv, double param[], int n);
00071     
00073     ~HermiteGrid1D();
00074 
00080     int addKnot(const EvalCurve& crv, double knot);
00081   
00090     void getSegment(int left, int right, double& spar,
00091                     double& epar, Point bezcoef[4]);
00092     
00094     std::vector<double> getKnots() { return knots_; }
00095 
00097     std::vector<Point> getData() { return array_; }
00098 
00100     int dim(){ return dim_; }
00101 
00103     int size() {return MM_;}
00104 
00105 private:
00106   std::vector<double> knots_;     // Sorted array of DISTINCT parameters of curve
00107   std::vector<Point> array_;    // Array holding position, and
00108                                 // directional derivative
00109   int dim_;                     // Spatial dimension of position,
00110   int MM_;                      // Number of grid points
00111   int elem_size_;               // Number of Point stored for each
00112                                 // grid point (typically 2: pt, der)
00113   int index_;                   // Index into knot array
00114 
00115 
00116   int getPosition(double knot);
00117 
00118 };
00119 
00121 } // namespace Go
00122 
00123 #endif
00124 

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