CylinderInt.h

00001 //===========================================================================
00002 // GoTools - SINTEF Geometry Tools
00003 //
00004 // GoTools module: Intersections, version 1.0
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 _CYLINDERINT_H
00034 #define _CYLINDERINT_H
00035 
00036 
00037 #include "AlgObj3DInt.h"
00038 #include "Point.h"
00039 
00040 
00041 namespace Go {
00044 
00045 
00046 
00047 class SplineSurface;
00048 
00049 
00051 
00052 class CylinderInt : public AlgObj3DInt
00053 {
00054 public:
00057     CylinderInt();
00058 
00065     CylinderInt(Point ax_pt, Point ax_dir, double radius);
00066 
00068     virtual ~CylinderInt();
00069 
00072     void read(std::istream& is);
00073 
00076     Point ax_pt() const;
00079     Point ax_dir() const;
00082     double radius() const;
00083 
00090     SplineSurface* surface(Point bottom_pos, double height) const;
00091 
00092 
00093 private:
00094 
00095     Point ax_pt_; // 3D ref point (x_0, y_0, z_0).
00096     Point ax_dir_; // 3D ref point (x_0, y_0, z_0).
00097     double radius_; // (x-x0)^2 + (y-y0)^2 + (z-z0)^2 = radius_^2
00098 
00099     // Setting the values for the implicit surface representation
00100     // using ac_pt_, ax_dir_ & radius_.
00101     void setImplicitValues();
00102 
00103 };
00104 
00105 
00107 } // namespace Go
00108 
00109 
00110 #endif // _CYLINDERINT_H
00111 
00112 

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