/usr/include/vtk-7.1/vtkSphericalDirectionEncoder.h is in libvtk7-dev 7.1.1+dfsg1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*=========================================================================
Program: Visualization Toolkit
Module: vtkSphericalDirectionEncoder.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.
=========================================================================*/
/**
* @class vtkSphericalDirectionEncoder
* @brief A direction encoder based on spherical coordinates
*
* vtkSphericalDirectionEncoder is a direction encoder which uses spherical
* coordinates for mapping (nx, ny, nz) into an azimuth, elevation pair.
*
* @sa
* vtkDirectionEncoder
*/
#ifndef vtkSphericalDirectionEncoder_h
#define vtkSphericalDirectionEncoder_h
#include "vtkRenderingVolumeModule.h" // For export macro
#include "vtkDirectionEncoder.h"
class VTKRENDERINGVOLUME_EXPORT vtkSphericalDirectionEncoder : public vtkDirectionEncoder
{
public:
vtkTypeMacro(vtkSphericalDirectionEncoder,vtkDirectionEncoder);
void PrintSelf( ostream& os, vtkIndent indent );
/**
* Construct the object. Initialize the index table which will be
* used to map the normal into a patch on the recursively subdivided
* sphere.
*/
static vtkSphericalDirectionEncoder *New();
/**
* Given a normal vector n, return the encoded direction
*/
int GetEncodedDirection( float n[3] );
/**
* / Given an encoded value, return a pointer to the normal vector
*/
float *GetDecodedGradient( int value );
/**
* Return the number of encoded directions
*/
int GetNumberOfEncodedDirections( void ) { return 65536; }
/**
* Get the decoded gradient table. There are
* this->GetNumberOfEncodedDirections() entries in the table, each
* containing a normal (direction) vector. This is a flat structure -
* 3 times the number of directions floats in an array.
*/
float *GetDecodedGradientTable( void )
{
return &(this->DecodedGradientTable[0]);
}
protected:
vtkSphericalDirectionEncoder();
~vtkSphericalDirectionEncoder();
static float DecodedGradientTable[65536*3];
//@{
/**
* Initialize the table at startup
*/
static void InitializeDecodedGradientTable();
static int DecodedGradientTableInitialized;
//@}
private:
vtkSphericalDirectionEncoder(const vtkSphericalDirectionEncoder&) VTK_DELETE_FUNCTION;
void operator=(const vtkSphericalDirectionEncoder&) VTK_DELETE_FUNCTION;
};
#endif
|