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/*=========================================================================
Program: VMTK
Module: $RCSfile: vtkvmtkTMath.h,v $
Language: C++
Date: $Date: 2006/04/06 16:46:43 $
Version: $Revision: 1.4 $
Copyright (c) Luca Antiga, David Steinman. All rights reserved.
See LICENCE file for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm
for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
// .NAME vtkvmtkMath - ..
// .SECTION Description
// ..
#ifndef __vtkvmtkMath_h
#define __vtkvmtkMath_h
#include "vtkObject.h"
#include "vtkMath.h"
#include "vtkvmtkConstants.h"
#include "vtkvmtkWin32Header.h"
#define VTK_VMTK_NON_OBTUSE 0
#define VTK_VMTK_OBTUSE_IN_POINT 1
#define VTK_VMTK_OBTUSE_NOT_IN_POINT 2
class VTK_VMTK_COMMON_EXPORT vtkvmtkMath : public vtkObject
{
public:
vtkTypeMacro(vtkvmtkMath,vtkObject);
// vtkTypeMacro(vtkvmtkMath,vtkObject);
static vtkvmtkMath* New();
static double Cotangent(double point0[3], double point1[3], double point2[3]);
static double TriangleArea(double point0[3], double point1[3], double point2[3]);
static int IsAngleObtuse(double point0[3], double point1[3], double point2[3]);
static int IsTriangleObtuse(double point0[3], double point1[3], double point2[3]);
static double VoronoiSectorArea(double point0[3], double point1[3], double point2[3]);
static double TriangleGradient(double point0[3], double point1[3], double point2[3], double scalar0, double scalar1, double scalar2, double gradient[3]);
static void TwoSphereIntersection(double center0[3], double radius0, double center1[3], double radius1, double origin[3], double normal[3]);
static double AngleBetweenNormals(double normal0[3], double normal1[3]);
static double EvaluateSphereFunction(double center[3], double radius, double point[3]);
protected:
vtkvmtkMath() {};
~vtkvmtkMath() {};
static double GetTolerance(float cookie)
{
return VTK_VMTK_FLOAT_TOL;
}
static double GetTolerance(double cookie)
{
return VTK_VMTK_DOUBLE_TOL;
}
static double GetLarge(float cookie)
{
return VTK_VMTK_LARGE_FLOAT;
}
static double GetLarge(double cookie)
{
return VTK_VMTK_LARGE_DOUBLE;
}
private:
vtkvmtkMath(const vtkvmtkMath&); // Not implemented.
void operator=(const vtkvmtkMath&); // Not implemented.
};
#endif
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