VTK  9.1.0
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
44class vtkRenderer;
46class vtkProp;
47class vtkCellPicker;
48
49class VTKINTERACTIONWIDGETS_EXPORT vtkCellCentersPointPlacer : public vtkPointPlacer
50{
51public:
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();
73
83 vtkRenderer* ren, double displayPos[2], double worldPos[3], double worldOrient[9]) override;
84
91 int ComputeWorldPosition(vtkRenderer* ren, double displayPos[2], double refWorldPos[3],
92 double worldPos[3], double worldOrient[9]) override;
93
98 int ValidateWorldPosition(double worldPos[3]) override;
99
103 int ValidateDisplayPosition(vtkRenderer*, double displayPos[2]) override;
104
109 int ValidateWorldPosition(double worldPos[3], double worldOrient[9]) override;
110
112
115 vtkGetObjectMacro(CellPicker, vtkCellPicker);
117
119
125 vtkSetMacro(Mode, int);
126 vtkGetMacro(Mode, int);
128
129 enum
130 {
131 ParametricCenter = 0,
133 None
134 };
135
136protected:
139
140 // The props that represents the terrain data (one or more) in a rendered
141 // scene
144 int Mode;
145
146private:
148 void operator=(const vtkCellCentersPointPlacer&) = delete;
149};
150
151#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
Definition: vtkCellPicker.h:96
a simple class to control print indentation
Definition: vtkIndent.h:113
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:76
abstract specification for renderers
Definition: vtkRenderer.h:182