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contrib/vtkSuperquadric.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkSuperquadric.h,v $
00005   Language:  C++
00006 
00007 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012 
00013  * Redistributions of source code must retain the above copyright notice,
00014    this list of conditions and the following disclaimer.
00015 
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019 
00020  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00021    of any contributors may be used to endorse or promote products derived
00022    from this software without specific prior written permission.
00023 
00024  * Modified source versions must be plainly marked as such, and must not be
00025    misrepresented as being the original software.
00026 
00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00028 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00033 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00034 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00035 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 
00038 =========================================================================*/
00073 #ifndef __vtkSuperquadric_h
00074 #define __vtkSuperquadric_h
00075 
00076 #include "vtkImplicitFunction.h"
00077 
00078 #define VTK_MIN_SUPERQUADRIC_THICKNESS  1e-4
00079 
00080 class VTK_EXPORT vtkSuperquadric : public vtkImplicitFunction
00081 {
00082 public:
00086   static vtkSuperquadric *New();
00087 
00088   vtkTypeMacro(vtkSuperquadric,vtkImplicitFunction);
00089   void PrintSelf(ostream& os, vtkIndent indent);
00090 
00091   // ImplicitFunction interface
00092   float EvaluateFunction(float x[3]);
00093   float EvaluateFunction(float x, float y, float z)
00094     {return this->vtkImplicitFunction::EvaluateFunction(x, y, z); } ;
00095   void EvaluateGradient(float x[3], float g[3]);
00096 
00098   vtkSetVector3Macro(Center,float);
00099   vtkGetVectorMacro(Center,float,3);
00100 
00102   vtkSetVector3Macro(Scale,float);
00103   vtkGetVectorMacro(Scale,float,3);
00104 
00107   vtkGetMacro(Thickness,float);
00108   vtkSetClampMacro(Thickness,float,VTK_MIN_SUPERQUADRIC_THICKNESS,1.0);
00109 
00112   vtkGetMacro(PhiRoundness,float);
00113   void SetPhiRoundness(float e); 
00114 
00117   vtkGetMacro(ThetaRoundness,float);
00118   void SetThetaRoundness(float e);
00119 
00121   vtkSetMacro(Size,float);
00122   vtkGetMacro(Size,float);
00123 
00126   vtkBooleanMacro(Toroidal,int);
00127   vtkGetMacro(Toroidal,int);
00128   vtkSetMacro(Toroidal,int);
00129 
00130 protected:
00131   vtkSuperquadric();
00132   ~vtkSuperquadric() {};
00133   vtkSuperquadric(const vtkSuperquadric&) {};
00134   void operator=(const vtkSuperquadric&) {};
00135 
00136   int Toroidal;
00137   float Thickness;
00138   float Size;
00139   float PhiRoundness;
00140   float ThetaRoundness;
00141   float Center[3];
00142   float Scale[3];
00143 };
00144 
00145 #endif
00146 
00147 

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