VTK  9.0.1
vtkPolygonalSurfacePointPlacer.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkPolygonalSurfacePointPlacer.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 =========================================================================*/
32 #ifndef vtkPolygonalSurfacePointPlacer_h
33 #define vtkPolygonalSurfacePointPlacer_h
34 
35 #include "vtkInteractionWidgetsModule.h" // For export macro
36 #include "vtkPolyDataPointPlacer.h"
37 
39 class vtkCellPicker;
40 class vtkPolygonalSurfacePointPlacerInternals;
41 class vtkPolyData;
42 
43 // The Node stores information about the point. This information is used by
44 // the interpolator. Reusing this information avoids the need for a second
45 // pick operation to regenerate it. (Cellpickers are slow).
47 {
48  double WorldPosition[3];
52  double ParametricCoords[3]; // parametric coords within cell
54 };
55 
56 class VTKINTERACTIONWIDGETS_EXPORT vtkPolygonalSurfacePointPlacer : public vtkPolyDataPointPlacer
57 {
58 public:
63 
65 
69  void PrintSelf(ostream& os, vtkIndent indent) override;
71 
72  // Descuription:
73  // Add /remove a prop, to place points on
74  void AddProp(vtkProp*) override;
75  void RemoveViewProp(vtkProp* prop) override;
76  void RemoveAllProps() override;
77 
87  vtkRenderer* ren, double displayPos[2], double worldPos[3], double worldOrient[9]) override;
88 
95  int ComputeWorldPosition(vtkRenderer* ren, double displayPos[2], double refWorldPos[3],
96  double worldPos[3], double worldOrient[9]) override;
97 
102  int ValidateWorldPosition(double worldPos[3]) override;
103 
107  int UpdateNodeWorldPosition(double worldPos[3], vtkIdType nodePointId) override;
108 
112  int ValidateDisplayPosition(vtkRenderer*, double displayPos[2]) override;
113 
118  int ValidateWorldPosition(double worldPos[3], double worldOrient[9]) override;
119 
121 
124  vtkGetObjectMacro(CellPicker, vtkCellPicker);
126 
128 
132  vtkGetObjectMacro(Polys, vtkPolyDataCollection);
134 
136 
141  vtkSetMacro(DistanceOffset, double);
142  vtkGetMacro(DistanceOffset, double);
144 
146 
152  vtkSetMacro(SnapToClosestPoint, vtkTypeBool);
153  vtkGetMacro(SnapToClosestPoint, vtkTypeBool);
154  vtkBooleanMacro(SnapToClosestPoint, vtkTypeBool);
156 
158 
162  Node* GetNodeAtWorldPosition(double worldPos[3]);
164 
165 protected:
168 
169  // The props that represents the terrain data (one or more) in a rendered
170  // scene
173  vtkPolygonalSurfacePointPlacerInternals* Internals;
176 
177 private:
179  void operator=(const vtkPolygonalSurfacePointPlacer&) = delete;
180 };
181 
182 #endif
ray-cast cell picker for all kinds of Prop3Ds
Definition: vtkCellPicker.h:67
a simple class to control print indentation
Definition: vtkIndent.h:34
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:85
Place points on the surface of polygonal data.
~vtkPolygonalSurfacePointPlacer() override
vtkPolygonalSurfacePointPlacerNode Node
Internally used by the interpolator.
Node * GetNodeAtWorldPosition(double worldPos[3])
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
Methods invoked by print to print information about the object including superclasses.
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...
static vtkPolygonalSurfacePointPlacer * New()
Instantiate this class.
void RemoveViewProp(vtkProp *prop) override
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:48
abstract specification for renderers
Definition: vtkRenderer.h:59
int vtkTypeBool
Definition: vtkABI.h:69
int vtkIdType
Definition: vtkType.h:338