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
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkProjectSphereFilter.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 vtkProjectSphereFilter - A filter to 'unroll' a sphere. The
// unroll longitude is -180.
//
// .SECTION Description
#ifndef vtkProjectSphereFilter_h
#define vtkProjectSphereFilter_h
#include "vtkFiltersGeometryModule.h" // For export macro
#include "vtkPointSetAlgorithm.h"
class vtkCell;
class vtkCellArray;
class vtkDataSetAttributes;
class vtkIdList;
class vtkIncrementalPointLocator;
class vtkUnstructuredGrid;
class VTKFILTERSGEOMETRY_EXPORT vtkProjectSphereFilter :
public vtkPointSetAlgorithm
{
public:
vtkTypeMacro(vtkProjectSphereFilter, vtkPointSetAlgorithm);
virtual void PrintSelf(ostream &os, vtkIndent indent);
static vtkProjectSphereFilter *New();
// Description:
// Set the center of the sphere to be split. Default is 0,0,0.
vtkSetVector3Macro(Center,double);
vtkGetVectorMacro(Center,double,3);
// Description:
// Specify whether or not to keep the cells using a point at
// a pole. The default is false.
vtkGetMacro(KeepPolePoints, bool);
vtkSetMacro(KeepPolePoints, bool);
vtkBooleanMacro(KeepPolePoints, bool);
// Description:
// Specify whether (true) or not to translate the points in the projected
// transformation such that the input point with the smallest
// radius is at 0. The default is false.
vtkGetMacro(TranslateZ, bool);
vtkSetMacro(TranslateZ, bool);
vtkBooleanMacro(TranslateZ, bool);
protected:
vtkProjectSphereFilter();
~vtkProjectSphereFilter();
virtual int FillInputPortInformation(int port, vtkInformation *info);
virtual int RequestData(vtkInformation *, vtkInformationVector **,
vtkInformationVector *);
void TransformPointInformation(vtkPointSet* input, vtkPointSet* output, vtkIdList*);
void TransformCellInformation(vtkPointSet* input, vtkPointSet* output, vtkIdList*);
void TransformTensors(vtkIdType id, double* coord, vtkDataSetAttributes* arrays);
// Description:
// Parallel part of the algorithm to figure out the closest point
// to the centerline (i.e. line connecting -90 latitude to 90 latitude)
// if we don't build cells using points at the poles.
virtual void ComputePointsClosestToCenterLine(double, vtkIdList*)
{}
// Description:
// If TranslateZ is true then this is the method that computes
// the amount to translate.
virtual double GetZTranslation(vtkPointSet* input);
// Description:
// Split a cell into multiple cells because it stretches across the
// SplitLongitude. splitSide is 1 for left side and 0 for sight side.
void SplitCell( vtkPointSet* input, vtkPointSet* output, vtkIdType inputCellId,
vtkIncrementalPointLocator* locator, vtkCellArray* connectivity,
int splitSide);
void SetCellInformation(
vtkUnstructuredGrid* output, vtkCell* cell, vtkIdType numberOfNewCells);
private:
vtkProjectSphereFilter(const vtkProjectSphereFilter &); // Not implemented
void operator=(const vtkProjectSphereFilter &); // Not implemented
double Center[3];
const double SplitLongitude;
bool KeepPolePoints;
bool TranslateZ;
};
#endif // vtkProjectSphereFilter_h
|
