VTK  9.3.0
vtkCameraPathRepresentation.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
19 #ifndef vtkCameraPathRepresentation_h
20 #define vtkCameraPathRepresentation_h
21 
23 #include "vtkInteractionWidgetsModule.h" // For export macro
24 
25 VTK_ABI_NAMESPACE_BEGIN
27 class vtkCamera;
28 
29 class VTKINTERACTIONWIDGETS_EXPORT vtkCameraPathRepresentation
31 {
32 public:
35  void PrintSelf(ostream& os, vtkIndent indent) override;
36 
41  void SetDirectional(bool val) override;
42 
47  void SetNumberOfHandles(int npts) override;
48 
52  void SetParametricSpline(vtkParametricSpline* spline) override;
53 
62 
69  void BuildRepresentation() override;
70 
74  void AddCameraAt(vtkCamera* camera, int index);
75 
79  void DeleteCameraAt(int index);
80 
81 protected:
83  ~vtkCameraPathRepresentation() override = default;
84 
88  void SizeHandles() override;
89 
94 
99  void InsertCamera(vtkCamera* camera, int index);
100 
104  void CreateDefaultHandles(int npts);
105 
114  void ReconfigureHandles(int newNPts, int oldNPts);
115 
119  int InsertHandleOnLine(double* pos) override;
120 
124  void EraseHandle(const int&) override;
125 
126  // Specialized methods to access handles
127  vtkActor* GetHandleActor(int index) override;
129  int GetHandleIndex(vtkProp* prop) override;
130 
131 private:
133  void operator=(const vtkCameraPathRepresentation&) = delete;
134 
135  void RebuildRepresentation();
136 
137  void UpdateConfiguration(int npts);
138 
139  std::vector<vtkSmartPointer<vtkCameraHandleSource>> CameraHandles;
140  std::vector<vtkSmartPointer<vtkActor>> HandleActors;
141 };
142 
143 VTK_ABI_NAMESPACE_END
144 #endif
abstract representation for a spline.
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:41
handle source used to represent one camera.
representation for a camera path.
vtkActor * GetHandleActor(int index) override
void SetNumberOfHandles(int npts) override
Adjust the number of camera handles while keeping the same path.
void CreateDefaultHandles(int npts)
Create/Recreate npts default camera handles.
static vtkCameraPathRepresentation * New()
void BuildRepresentation() override
Method that satisfy vtkWidgetRepresentation API.
int InsertHandleOnLine(double *pos) override
Specialized method to insert a camera handle on the camera path.
void SetParametricSpline(vtkParametricSpline *spline) override
Set the parametric spline object.
void SetDirectional(bool val) override
Sets the representation to be a curve interpolating multiple cameras pointing to their focal point.
void SizeHandles() override
Resize the camera handles on demand.
int GetHandleIndex(vtkProp *prop) override
returns handle index or -1 on fail
void ClearCameraHandles()
Delete all camera handles.
void EraseHandle(const int &) override
Specialized method to erase a camera handle from the camera path.
void AddCameraAt(vtkCamera *camera, int index)
Add a camera to the path.
~vtkCameraPathRepresentation() override=default
vtkHandleSource * GetHandleSource(int index) override
void InsertCamera(vtkCamera *camera, int index)
Creates a new handle from a vtkcamera and insert it in the handles collection.
void InitializeHandles(vtkPoints *points) override
Convenience method to allocate and set the Camera handles from a vtkPoints instance (corresponding to...
void DeleteCameraAt(int index)
Remove a camera from the path.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void ReconfigureHandles(int newNPts, int oldNPts)
Recreate the handles according to a number of points equal to newNPts.
a virtual camera for 3D rendering
Definition: vtkCamera.h:41
interface that can be inherited to define handler sources for any kind of interaction.
a simple class to control print indentation
Definition: vtkIndent.h:29
parametric function for 1D interpolating splines
represent and manipulate 3D points
Definition: vtkPoints.h:29
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:46
@ points
Definition: vtkX3D.h:446
@ index
Definition: vtkX3D.h:246