VTK
vtkSelectVisiblePoints.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkSelectVisiblePoints.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 =========================================================================*/
45 #ifndef vtkSelectVisiblePoints_h
46 #define vtkSelectVisiblePoints_h
47 
48 #include "vtkRenderingCoreModule.h" // For export macro
49 #include "vtkPolyDataAlgorithm.h"
50 
51 class vtkRenderer;
52 class vtkMatrix4x4;
53 
54 class VTKRENDERINGCORE_EXPORT vtkSelectVisiblePoints : public vtkPolyDataAlgorithm
55 {
56 public:
58  void PrintSelf(ostream& os, vtkIndent indent) override;
59 
64  static vtkSelectVisiblePoints *New();
65 
67 
72  {
73  if (this->Renderer != ren)
74  {
75  this->Renderer = ren;
76  this->Modified();
77  }
78  }
80  { return this->Renderer; }
82 
84 
88  vtkSetMacro(SelectionWindow, vtkTypeBool);
89  vtkGetMacro(SelectionWindow, vtkTypeBool);
90  vtkBooleanMacro(SelectionWindow, vtkTypeBool);
92 
94 
98  vtkSetVector4Macro(Selection, int);
99  vtkGetVectorMacro(Selection, int, 4);
101 
103 
107  vtkSetMacro(SelectInvisible, vtkTypeBool);
108  vtkGetMacro(SelectInvisible, vtkTypeBool);
109  vtkBooleanMacro(SelectInvisible, vtkTypeBool);
111 
113 
118  vtkSetClampMacro(Tolerance, double,0.0, VTK_DOUBLE_MAX);
119  vtkGetMacro(Tolerance, double);
121 
126  float * Initialize(bool getZbuff);
127 
132  bool IsPointOccluded(const double x[3], const float *zPtr);
133 
137  vtkMTimeType GetMTime() override;
138 
139 protected:
141  ~vtkSelectVisiblePoints() override;
142 
144  int FillInputPortInformation(int port, vtkInformation *info) override;
145 
148 
150  int Selection[4];
151  int InternalSelection[4];
153  double Tolerance;
154 
155 private:
157  void operator=(const vtkSelectVisiblePoints&) = delete;
158 };
159 
160 #endif
represent and manipulate 4x4 transformation matrices
Definition: vtkMatrix4x4.h:35
extract points that are visible (based on z-buffer calculation)
#define VTK_DOUBLE_MAX
Definition: vtkType.h:169
Store vtkAlgorithm input/output information.
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:302
virtual int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
This is called by the superclass.
abstract specification for renderers
Definition: vtkRenderer.h:57
vtkMatrix4x4 * CompositePerspectiveTransform
static vtkPolyDataAlgorithm * New()
int vtkTypeBool
Definition: vtkABI.h:69
Superclass for algorithms that produce only polydata as output.
a simple class to control print indentation
Definition: vtkIndent.h:33
virtual vtkMTimeType GetMTime()
Return this object's modified time.
virtual void Modified()
Update the modification time for this object.
vtkRenderer * GetRenderer()
Specify the renderer in which the visibility computation is to be performed.
int FillInputPortInformation(int port, vtkInformation *info) override
Fill the input port information objects for this algorithm.
void SetRenderer(vtkRenderer *ren)
Specify the renderer in which the visibility computation is to be performed.
Store zero or more vtkInformation instances.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.