VTK
vtkDistanceToCamera.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkDistanceToCamera.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 =========================================================================*/
15 /*-------------------------------------------------------------------------
16  Copyright 2008 Sandia Corporation.
17  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
18  the U.S. Government retains certain rights in this software.
19 -------------------------------------------------------------------------*/
32 #ifndef vtkDistanceToCamera_h
33 #define vtkDistanceToCamera_h
34 
35 #include "vtkRenderingCoreModule.h" // For export macro
36 #include "vtkPointSetAlgorithm.h"
37 
38 class vtkRenderer;
39 
40 class VTKRENDERINGCORE_EXPORT vtkDistanceToCamera : public vtkPointSetAlgorithm
41 {
42 public:
43  static vtkDistanceToCamera *New();
45  void PrintSelf(ostream& os, vtkIndent indent) override;
46 
48 
51  void SetRenderer(vtkRenderer* ren);
52  vtkGetObjectMacro(Renderer, vtkRenderer);
54 
56 
60  vtkSetMacro(ScreenSize, double);
61  vtkGetMacro(ScreenSize, double);
63 
65 
68  vtkSetMacro(Scaling, bool);
69  vtkGetMacro(Scaling, bool);
70  vtkBooleanMacro(Scaling, bool);
72 
74 
78  vtkSetStringMacro(DistanceArrayName);
79  vtkGetStringMacro(DistanceArrayName);
81 
85  vtkMTimeType GetMTime() override;
86 
87 protected:
89  ~vtkDistanceToCamera() override;
90 
91  int RequestData(
94  vtkInformationVector *) override;
95 
97  double ScreenSize;
98  bool Scaling;
99  int LastRendererSize[2];
100  double LastCameraPosition[3];
101  double LastCameraFocalPoint[3];
102  double LastCameraViewUp[3];
105 
106 private:
107  vtkDistanceToCamera(const vtkDistanceToCamera&) = delete;
108  void operator=(const vtkDistanceToCamera&) = delete;
109 };
110 
111 #endif
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
This is called by the superclass.
Store vtkAlgorithm input/output information.
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:302
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
abstract specification for renderers
Definition: vtkRenderer.h:57
a simple class to control print indentation
Definition: vtkIndent.h:33
virtual vtkMTimeType GetMTime()
Return this object's modified time.
Superclass for algorithms that produce output of the same type as input.
static vtkPointSetAlgorithm * New()
Store zero or more vtkInformation instances.
calculates distance from points to the camera.