VTK  9.1.0
vtkFrustumSelector.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkFrustumSelector.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
24#ifndef vtkFrustumSelector_h
25#define vtkFrustumSelector_h
26
27#include "vtkFiltersExtractionModule.h" // For export macro
28#include "vtkSelector.h"
29
30#include "vtkSmartPointer.h" // for smart pointer
31
32class vtkDataSet;
33class vtkPlanes;
35
36class VTKFILTERSEXTRACTION_EXPORT vtkFrustumSelector : public vtkSelector
37{
38public:
41 void PrintSelf(ostream& os, vtkIndent indent) override;
42
43 void Initialize(vtkSelectionNode* node) override;
44
49
51
57
58protected:
61
63
64 bool ComputeSelectedElements(vtkDataObject* input, vtkSignedCharArray* insidednessArray) override;
65
75 void CreateFrustum(double vertices[32]);
76
87
88 int OverallBoundsTest(double bounds[6]);
89
90private:
92 void operator=(const vtkFrustumSelector&) = delete;
93};
94
95#endif
general representation of visualization data
abstract class to specify dataset behavior
Definition: vtkDataSet.h:166
vtkMTimeType GetMTime() override
Return the MTime taking into account changes to the Frustum.
int OverallBoundsTest(double bounds[6])
bool ComputeSelectedElements(vtkDataObject *input, vtkSignedCharArray *insidednessArray) override
This method computes whether or not each element in the dataset is inside the selection and populates...
static vtkFrustumSelector * New()
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkFrustumSelector() override
void Initialize(vtkSelectionNode *node) override
Sets the vtkSelectionNode used by this selection operator and initializes the data structures in the ...
void ComputeSelectedCells(vtkDataSet *input, vtkSignedCharArray *cellsInside)
Computes which cells in the dataset are inside or intersect the frustum and populates the cellsInside...
vtkPlanes * GetFrustum()
Set the selection frustum.
void CreateFrustum(double vertices[32])
Given eight vertices, creates a frustum.
void SetFrustum(vtkPlanes *)
Set the selection frustum.
vtkFrustumSelector(vtkPlanes *f=nullptr)
vtkSmartPointer< vtkPlanes > Frustum
void ComputeSelectedPoints(vtkDataSet *input, vtkSignedCharArray *pointsInside)
Computes which points in the dataset are inside the frustum and populates the pointsInside array with...
a simple class to control print indentation
Definition: vtkIndent.h:113
implicit function for convex set of planes
Definition: vtkPlanes.h:159
a node in a vtkSelection the defines the selection criteria.
dynamic, self-adjusting array of signed char
Hold a reference to a vtkObjectBase instance.
std::pair< boost::graph_traits< vtkGraph * >::vertex_iterator, boost::graph_traits< vtkGraph * >::vertex_iterator > vertices(vtkGraph *g)
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:287