/usr/include/vtk-6.3/vtkBox.h is in libvtk6-dev 6.3.0+dfsg1-11build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | /*=========================================================================
Program: Visualization Toolkit
Module: vtkBox.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.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 notice for more information.
=========================================================================*/
// .NAME vtkBox - implicit function for a bounding box
// .SECTION Description
// vtkBox computes the implicit function and/or gradient for a axis-aligned
// bounding box. (The superclasses transform can be used to modify this
// orientation.) Each side of the box is orthogonal to all other sides
// meeting along shared edges and all faces are orthogonal to the x-y-z
// coordinate axes. (If you wish to orient this box differently, recall that
// the superclass vtkImplicitFunction supports a transformation matrix.)
// vtkCube is a concrete implementation of vtkImplicitFunction.
//
// .SECTION See Also
// vtkCubeSource vtkImplicitFunction
#ifndef vtkBox_h
#define vtkBox_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkImplicitFunction.h"
class vtkBoundingBox;
class VTKCOMMONDATAMODEL_EXPORT vtkBox : public vtkImplicitFunction
{
public:
vtkTypeMacro(vtkBox,vtkImplicitFunction);
void PrintSelf(ostream& os, vtkIndent indent);
// Description
// Construct box with center at (0,0,0) and each side of length 1.0.
static vtkBox *New();
// Description
// Evaluate box defined by the two points (pMin,pMax).
double EvaluateFunction(double x[3]);
double EvaluateFunction(double x, double y, double z)
{return this->vtkImplicitFunction::EvaluateFunction(x, y, z); }
// Description
// Evaluate the gradient of the box.
void EvaluateGradient(double x[3], double n[3]);
// Description:
// Set / get the bounding box using various methods.
void SetXMin(double p[3]);
void SetXMin(double x, double y, double z);
void GetXMin(double p[3]);
void GetXMin(double &x, double &y, double &z);
void SetXMax(double p[3]);
void SetXMax(double x, double y, double z);
void GetXMax(double p[3]);
void GetXMax(double &x, double &y, double &z);
void SetBounds(double xMin, double xMax,
double yMin, double yMax,
double zMin, double zMax);
void SetBounds(const double bounds[6]);
void GetBounds(double &xMin, double &xMax,
double &yMin, double &yMax,
double &zMin, double &zMax);
void GetBounds(double bounds[6]);
double *GetBounds();
// Description:
// A special method that allows union set operation on bounding boxes.
// Start with a SetBounds(). Subsequent AddBounds() methods are union set
// operations on the original bounds. Retrieve the final bounds with a
// GetBounds() method.
void AddBounds(const double bounds[6]);
// Description:
// Bounding box intersection modified from Graphics Gems Vol I. The method
// returns a non-zero value if the bounding box is hit. Origin[3] starts
// the ray, dir[3] is the vector components of the ray in the x-y-z
// directions, coord[3] is the location of hit, and t is the parametric
// coordinate along line. (Notes: the intersection ray dir[3] is NOT
// normalized. Valid intersections will only occur between 0<=t<=1.)
static char IntersectBox(double bounds[6], double origin[3], double dir[3],
double coord[3], double& t);
// Description:
// Intersect a line with the box. Give the endpoints of the line in
// p1 and p2. The parameteric distances from p1 to the entry and exit
// points are returned in t1 and t2, where t1 and t2 are clamped to the
// range [0,1]. The entry and exit planes are returned in plane1 and
// plane2 where integers (0, 1, 2, 3, 4, 5) stand for the
// (xmin, xmax, ymin, ymax, zmin, zmax) planes respectively, and a value
// of -1 means that no intersection occurred. The actual intersection
// coordinates are stored in x1 and x2, which can be set to NULL of you
// do not need them to be returned. The function return value will be
// zero if the line is wholly outside of the box.
static int IntersectWithLine(const double bounds[6],
const double p1[3], const double p2[3],
double &t1, double &t2,
double x1[3], double x2[3],
int &plane1, int &plane2);
protected:
vtkBox();
~vtkBox();
vtkBoundingBox *BBox;
double Bounds[6]; //supports the GetBounds() method
private:
vtkBox(const vtkBox&); // Not implemented.
void operator=(const vtkBox&); // Not implemented.
};
inline void vtkBox::SetXMin(double p[3])
{
this->SetXMin(p[0], p[1], p[2]);
}
inline void vtkBox::SetXMax(double p[3])
{
this->SetXMax(p[0], p[1], p[2]);
}
#endif
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