VTK
vtkImageActorPointPlacer.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkImageActorPointPlacer.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 =========================================================================*/
29 #ifndef vtkImageActorPointPlacer_h
30 #define vtkImageActorPointPlacer_h
31 
32 #include "vtkInteractionWidgetsModule.h" // For export macro
33 #include "vtkPointPlacer.h"
34 
36 class vtkImageActor;
37 class vtkRenderer;
38 
39 class VTKINTERACTIONWIDGETS_EXPORT vtkImageActorPointPlacer : public vtkPointPlacer
40 {
41 public:
45  static vtkImageActorPointPlacer *New();
46 
48 
52  void PrintSelf(ostream& os, vtkIndent indent) override;
54 
64  double displayPos[2],
65  double worldPos[3],
66  double worldOrient[9] ) override;
67 
74  double displayPos[2],
75  double refWorldPos[2],
76  double worldPos[3],
77  double worldOrient[9] ) override;
78 
85  int ValidateWorldPosition( double worldPos[3] ) override;
86 
91  int ValidateWorldPosition( double worldPos[3],
92  double worldOrient[9]) override;
93 
94 
102  double worldPos[3],
103  double worldOrient[9]) override;
104 
113  int UpdateInternalState() override;
114 
116 
122  void SetImageActor( vtkImageActor * );
123  vtkGetObjectMacro( ImageActor, vtkImageActor );
125 
127 
133  vtkSetVector6Macro( Bounds, double );
134  vtkGetVector6Macro( Bounds, double );
136 
141  void SetWorldTolerance( double s ) override;
142 
143 protected:
145  ~vtkImageActorPointPlacer() override;
146 
147 
148  // The reference image actor. Must be configured before this placer
149  // is used.
151 
152  // The internal placer.
154 
155  // Used to keep track of whether the bounds of the
156  // input image have changed
157  double SavedBounds[6];
158 
159  // See the SetBounds method
160  double Bounds[6];
161 
162 private:
164  void operator=(const vtkImageActorPointPlacer&) = delete;
165 };
166 
167 #endif
virtual int ComputeWorldPosition(vtkRenderer *ren, double displayPos[2], double worldPos[3], double worldOrient[9])
Given a renderer and a display position in pixel coordinates, compute the world position and orientat...
Converts 2D display positions to world positions such that they lie on an ImageActor.
abstract specification for renderers
Definition: vtkRenderer.h:63
a placer that constrains a handle to a finite plane
draw an image in a rendered 3D scene
Definition: vtkImageActor.h:49
a simple class to control print indentation
Definition: vtkIndent.h:39
vtkBoundedPlanePointPlacer * Placer
Abstract interface to translate 2D display positions to world coordinates.
virtual int UpdateWorldPosition(vtkRenderer *ren, double worldPos[3], double worldOrient[9])
Given a current renderer, world position and orientation, update them according to the constraints of...
virtual void SetWorldTolerance(double)
Set/get the tolerance used when performing computations in world coordinates.
virtual int ValidateWorldPosition(double worldPos[3])
Given a world position check the validity of this position according to the constraints of the placer...
static vtkPointPlacer * New()
Instantiate this class.
virtual int UpdateInternalState()
Called by the representation to give the placer a chance to update itself.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for instances of this class.