VTK  9.2.6
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=========================================================================*/
41#ifndef vtkCellCentersPointPlacer_h
42#define vtkCellCentersPointPlacer_h
43
44#include "vtkInteractionWidgetsModule.h" // For export macro
45#include "vtkPointPlacer.h"
46
47class vtkRenderer;
49class vtkProp;
50class vtkCellPicker;
51
52class VTKINTERACTIONWIDGETS_EXPORT vtkCellCentersPointPlacer : public vtkPointPlacer
53{
54public:
59
61
65 void PrintSelf(ostream& os, vtkIndent indent) override;
67
68 // Descuription:
69 // Add an actor (that represents a terrain in a rendererd scene) to the
70 // list. Only props in this list are considered by the PointPlacer
71 virtual void AddProp(vtkProp*);
72 virtual void RemoveViewProp(vtkProp* prop);
73 virtual void RemoveAllProps();
76
86 vtkRenderer* ren, double displayPos[2], double worldPos[3], double worldOrient[9]) override;
87
94 int ComputeWorldPosition(vtkRenderer* ren, double displayPos[2], double refWorldPos[3],
95 double worldPos[3], double worldOrient[9]) override;
96
101 int ValidateWorldPosition(double worldPos[3]) override;
102
106 int ValidateDisplayPosition(vtkRenderer*, double displayPos[2]) override;
107
112 int ValidateWorldPosition(double worldPos[3], double worldOrient[9]) override;
113
115
118 vtkGetObjectMacro(CellPicker, vtkCellPicker);
120
122
128 vtkSetMacro(Mode, int);
129 vtkGetMacro(Mode, int);
131
132 enum
133 {
134 ParametricCenter = 0,
136 None
137 };
138
139protected:
142
143 // The props that represents the terrain data (one or more) in a rendered
144 // scene
147 int Mode;
148
149private:
151 void operator=(const vtkCellCentersPointPlacer&) = delete;
152};
153
154#endif
Snaps points at the center of a cell.
int ComputeWorldPosition(vtkRenderer *ren, double displayPos[2], double refWorldPos[3], double worldPos[3], double worldOrient[9]) override
Given a renderer, a display position, and a reference world position, compute the new world position ...
int ValidateWorldPosition(double worldPos[3], double worldOrient[9]) override
Given a world position and a world orientation, validate it according to the constraints of the place...
virtual void RemoveViewProp(vtkProp *prop)
virtual void RemoveAllProps()
int ValidateDisplayPosition(vtkRenderer *, double displayPos[2]) override
Given a display position, check the validity of this position.
virtual void AddProp(vtkProp *)
int ValidateWorldPosition(double worldPos[3]) override
Given a world position check the validity of this position according to the constraints of the placer...
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for instances of this class.
int ComputeWorldPosition(vtkRenderer *ren, double displayPos[2], double worldPos[3], double worldOrient[9]) override
Given a renderer and a display position in pixel coordinates, compute the world position and orientat...
static vtkCellCentersPointPlacer * New()
Instantiate this class.
~vtkCellCentersPointPlacer() override
ray-cast cell picker for all kinds of Prop3Ds
a simple class to control print indentation
Definition vtkIndent.h:40
Abstract interface to translate 2D display positions to world coordinates.
an ordered list of Props
abstract superclass for all actors, volumes and annotations
Definition vtkProp.h:57
abstract specification for renderers
Definition vtkRenderer.h:73