VTK  9.1.0
vtkSplineRepresentation.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkSplineRepresentation.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=========================================================================*/
28#ifndef vtkSplineRepresentation_h
29#define vtkSplineRepresentation_h
30
32#include "vtkInteractionWidgetsModule.h" // For export macro
33
35
36class VTKINTERACTIONWIDGETS_EXPORT vtkSplineRepresentation : public vtkAbstractSplineRepresentation
37{
38public:
41 void PrintSelf(ostream& os, vtkIndent indent) override;
42
47 virtual void SetNumberOfHandles(int npts) override;
48
53
60 void InitializeHandles(vtkPoints* points) override;
61
68 void BuildRepresentation() override;
69
70protected:
73
77 int InsertHandleOnLine(double* pos) override;
78
83
88 void AllocateHandles(int npts);
89
93 void CreateDefaultHandles(int npts);
94
101 void ReconfigureHandles(int npts);
102
103 // Specialized methods to access handles
104 vtkActor* GetHandleActor(int index) override;
105 vtkHandleSource* GetHandleSource(int index) override;
106 virtual int GetHandleIndex(vtkProp* prop) override;
107
108private:
110 void operator=(const vtkSplineRepresentation&) = delete;
111
112 void RebuildRepresentation();
113
114 // Glyphs representing hot spots (e.g., handles)
115 std::vector<vtkSmartPointer<vtkPointHandleSource>> PointHandles;
116 std::vector<vtkSmartPointer<vtkActor>> HandleActors;
117};
118
119#endif
abstract representation for a spline.
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:155
interface that can be inherited to define handler sources for any kind of interaction.
a simple class to control print indentation
Definition: vtkIndent.h:113
parametric function for 1D interpolating splines
handle source used to represent points.
represent and manipulate 3D points
Definition: vtkPoints.h:143
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:76
representation for a spline.
vtkHandleSource * GetHandleSource(int index) override
void BuildRepresentation() override
Method that satisfy vtkWidgetRepresentation API.
void AllocateHandles(int npts)
Allocate/Reallocate the handles according to npts.
~vtkSplineRepresentation() override
vtkActor * GetHandleActor(int index) override
void ClearHandles()
Delete all the handles.
void CreateDefaultHandles(int npts)
Create npts default handles.
int InsertHandleOnLine(double *pos) override
Specialized method to insert a handle on the spline.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void SetParametricSpline(vtkParametricSpline *spline) override
Set the parametric spline object.
void ReconfigureHandles(int npts)
Recreate the handles according to a number of points equal to npts.
virtual int GetHandleIndex(vtkProp *prop) override
returns handle index or -1 on fail
void InitializeHandles(vtkPoints *points) override
Convenience method to allocate and set the handles from a vtkPoints instance.
virtual void SetNumberOfHandles(int npts) override
Set the number of handles for this widget, while keeping a similar spline.
static vtkSplineRepresentation * New()