VTK
vtkCellCentersPointPlacer.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkCellCentersPointPlacer.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 =========================================================================*/
38 #ifndef vtkCellCentersPointPlacer_h
39 #define vtkCellCentersPointPlacer_h
40 
41 #include "vtkInteractionWidgetsModule.h" // For export macro
42 #include "vtkPointPlacer.h"
43 
44 class vtkRenderer;
45 class vtkPropCollection;
46 class vtkProp;
47 class vtkCellPicker;
48 
49 class VTKINTERACTIONWIDGETS_EXPORT vtkCellCentersPointPlacer : public vtkPointPlacer
50 {
51 public:
56 
58 
62  void PrintSelf(ostream& os, vtkIndent indent) override;
64 
65  // Descuription:
66  // Add an actor (that represents a terrain in a rendererd scene) to the
67  // list. Only props in this list are considered by the PointPlacer
68  virtual void AddProp( vtkProp * );
69  virtual void RemoveViewProp(vtkProp *prop);
70  virtual void RemoveAllProps();
71  int HasProp( vtkProp * );
72  int GetNumberOfProps();
73 
83  double displayPos[2],
84  double worldPos[3],
85  double worldOrient[9] ) override;
86 
94  double displayPos[2],
95  double refWorldPos[3],
96  double worldPos[3],
97  double worldOrient[9] ) override;
98 
103  int ValidateWorldPosition( double worldPos[3] ) override;
104 
108  int ValidateDisplayPosition( vtkRenderer *, double displayPos[2] ) override;
109 
114  int ValidateWorldPosition( double worldPos[3],
115  double worldOrient[9] ) override;
116 
118 
121  vtkGetObjectMacro( CellPicker, vtkCellPicker );
123 
125 
131  vtkSetMacro( Mode, int );
132  vtkGetMacro( Mode, int );
134 
135  enum
136  {
137  ParametricCenter = 0,
139  None
140  };
141 
142 protected:
144  ~vtkCellCentersPointPlacer() override;
145 
146  // The props that represents the terrain data (one or more) in a rendered
147  // scene
150  int Mode;
151 
152 private:
154  void operator=(const vtkCellCentersPointPlacer&) = delete;
155 };
156 
157 #endif
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:46
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...
abstract specification for renderers
Definition: vtkRenderer.h:57
Snaps points at the center of a cell.
an ordered list of Props
a simple class to control print indentation
Definition: vtkIndent.h:33
virtual int ValidateDisplayPosition(vtkRenderer *, double displayPos[2])
Given a display position, check the validity of this position.
Abstract interface to translate 2D display positions to 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.
ray-cast cell picker for all kinds of Prop3Ds
Definition: vtkCellPicker.h:63
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for instances of this class.