VTK  9.3.0
vtkPolygonalSurfacePointPlacer.h
Go to the documentation of this file.
1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
23#ifndef vtkPolygonalSurfacePointPlacer_h
24#define vtkPolygonalSurfacePointPlacer_h
25
26#include "vtkInteractionWidgetsModule.h" // For export macro
28
29VTK_ABI_NAMESPACE_BEGIN
31class vtkCellPicker;
32class vtkPolygonalSurfacePointPlacerInternals;
33class vtkPolyData;
34
35// The Node stores information about the point. This information is used by
36// the interpolator. Reusing this information avoids the need for a second
37// pick operation to regenerate it. (Cellpickers are slow).
39{
40 double WorldPosition[3];
44 double ParametricCoords[3]; // parametric coords within cell
46};
47
48class VTKINTERACTIONWIDGETS_EXPORT vtkPolygonalSurfacePointPlacer : public vtkPolyDataPointPlacer
49{
50public:
55
57
61 void PrintSelf(ostream& os, vtkIndent indent) override;
63
64 // Description:
65 // Add /remove a prop, to place points on
66 void AddProp(vtkProp*) override;
67 void RemoveViewProp(vtkProp* prop) override;
68 void RemoveAllProps() override;
69
79 vtkRenderer* ren, double displayPos[2], double worldPos[3], double worldOrient[9]) override;
80
87 int ComputeWorldPosition(vtkRenderer* ren, double displayPos[2], double refWorldPos[3],
88 double worldPos[3], double worldOrient[9]) override;
89
94 int ValidateWorldPosition(double worldPos[3]) override;
95
99 int UpdateNodeWorldPosition(double worldPos[3], vtkIdType nodePointId) override;
100
104 int ValidateDisplayPosition(vtkRenderer*, double displayPos[2]) override;
105
110 int ValidateWorldPosition(double worldPos[3], double worldOrient[9]) override;
111
113
116 vtkGetObjectMacro(CellPicker, vtkCellPicker);
118
120
124 vtkGetObjectMacro(Polys, vtkPolyDataCollection);
126
128
133 vtkSetMacro(DistanceOffset, double);
134 vtkGetMacro(DistanceOffset, double);
136
138
144 vtkSetMacro(SnapToClosestPoint, vtkTypeBool);
145 vtkGetMacro(SnapToClosestPoint, vtkTypeBool);
146 vtkBooleanMacro(SnapToClosestPoint, vtkTypeBool);
148
150
154 Node* GetNodeAtWorldPosition(double worldPos[3]);
156
157protected:
160
161 // The props that represents the terrain data (one or more) in a rendered
162 // scene
165 vtkPolygonalSurfacePointPlacerInternals* Internals;
168
169private:
171 void operator=(const vtkPolygonalSurfacePointPlacer&) = delete;
172};
173
174VTK_ABI_NAMESPACE_END
175#endif
ray-cast cell picker for all kinds of Prop3Ds
a simple class to control print indentation
Definition vtkIndent.h:29
maintain a list of polygonal data objects
Base class to place points given constraints on polygonal data.
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition vtkPolyData.h:80
Place points on the surface of polygonal data.
~vtkPolygonalSurfacePointPlacer() override
vtkPolygonalSurfacePointPlacerNode Node
Internally used by the interpolator.
static vtkPolygonalSurfacePointPlacer * New()
Instantiate this class.
int UpdateNodeWorldPosition(double worldPos[3], vtkIdType nodePointId) override
Give the node a chance to update its auxiliary point id.
void AddProp(vtkProp *) override
int ValidateDisplayPosition(vtkRenderer *, double displayPos[2]) override
Given a display position, check the validity of this position.
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]) 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.
Node * GetNodeAtWorldPosition(double worldPos[3])
Internally used by the interpolator.
vtkPolygonalSurfacePointPlacerInternals * Internals
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...
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...
void RemoveViewProp(vtkProp *prop) override
abstract superclass for all actors, volumes and annotations
Definition vtkProp.h:43
abstract specification for renderers
Definition vtkRenderer.h:59
int vtkTypeBool
Definition vtkABI.h:64
int vtkIdType
Definition vtkType.h:315