VTK
vtkProp3DAxisFollower.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkProp3DAxisFollower.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 =========================================================================*/
29 #ifndef vtkProp3DAxisFollower_h
30 #define vtkProp3DAxisFollower_h
31 
32 #include "vtkRenderingAnnotationModule.h" // For export macro
33 #include "vtkProp3DFollower.h"
34 #include "vtkWeakPointer.h" // For vtkWeakPointer
35 
36 class vtkAxisActor;
37 class vtkViewport;
38 
39 class VTKRENDERINGANNOTATION_EXPORT vtkProp3DAxisFollower
40  : public vtkProp3DFollower
41 {
42  public:
47 
49 
53  void PrintSelf(ostream& os, vtkIndent indent);
55 
57 
60  virtual void SetAxis(vtkAxisActor*);
61  virtual vtkAxisActor* GetAxis();
63 
65 
70  vtkSetMacro(AutoCenter, int);
71  vtkGetMacro(AutoCenter, int);
72  vtkBooleanMacro(AutoCenter, int);
74 
76 
81  vtkSetMacro(EnableDistanceLOD, int);
82  vtkGetMacro(EnableDistanceLOD, int);
84 
86 
91  vtkSetClampMacro(DistanceLODThreshold, double, 0.0, 1.0);
92  vtkGetMacro(DistanceLODThreshold, double);
94 
96 
101  vtkSetMacro(EnableViewAngleLOD, int);
102  vtkGetMacro(EnableViewAngleLOD, int);
104 
106 
111  vtkSetClampMacro(ViewAngleLODThreshold, double, 0.0, 1.0);
112  vtkGetMacro(ViewAngleLODThreshold, double);
114 
116 
120  double GetScreenOffset();
121  void SetScreenOffset(double offset);
123 
125 
128  vtkSetVector2Macro(ScreenOffsetVector, double);
129  vtkGetVector2Macro(ScreenOffsetVector, double);
131 
136  virtual void ComputeMatrix();
137 
141  void ShallowCopy(vtkProp *prop);
142 
147  static double AutoScale(vtkViewport *viewport, vtkCamera * camera,
148  double screenSize, double position[3]);
149 
151 
156  virtual int RenderOpaqueGeometry(vtkViewport *viewport);
158  virtual int RenderVolumetricGeometry(vtkViewport *viewport);
160 
161  virtual void SetViewport(vtkViewport* viewport);
163 
164 protected:
167 
168  void CalculateOrthogonalVectors(double Rx[3], double Ry[3], double Rz[3],
169  vtkAxisActor *axis1, double *dop,
170  vtkViewport *ren);
171 
173  double Rx[3], double Ry[3], double Rz[3],
174  vtkAxisActor *axis);
175 
176  // \NOTE: Not used as of now.
177  void ComputerAutoCenterTranslation(const double& autoScaleFactor,
178  double translation[3]);
179 
181  void ExecuteViewAngleVisibility(double normal[3]);
182 
183  bool IsTextUpsideDown(double* a, double* b);
184 
186 
189 
192 
193  double ScreenOffsetVector [2];
194 
197 private:
198  vtkProp3DAxisFollower(const vtkProp3DAxisFollower&) VTK_DELETE_FUNCTION;
199  void operator=(const vtkProp3DAxisFollower&) VTK_DELETE_FUNCTION;
200 
201  int TextUpsideDown;
202  int VisibleAtCurrentViewAngle;
203 
204 };
205 
206 #endif
Create an axis with tick marks and labels.
Definition: vtkAxisActor.h:75
a virtual camera for 3D rendering
Definition: vtkCamera.h:51
a simple class to control print indentation
Definition: vtkIndent.h:40
a subclass of vtkProp3DFollower that ensures that data is always parallel to the axis defined by a vt...
virtual void ComputeMatrix()
Generate the matrix based on ivars.
virtual vtkViewport * GetViewport()
virtual int RenderTranslucentPolygonalGeometry(vtkViewport *viewport)
virtual void SetAxis(vtkAxisActor *)
Set axis that needs to be followed.
static double AutoScale(vtkViewport *viewport, vtkCamera *camera, double screenSize, double position[3])
Calculate scale factor to maintain same size of a object on the screen.
static vtkProp3DAxisFollower * New()
Creates a follower with no camera set.
virtual vtkAxisActor * GetAxis()
void CalculateOrthogonalVectors(double Rx[3], double Ry[3], double Rz[3], vtkAxisActor *axis1, double *dop, vtkViewport *ren)
vtkWeakPointer< vtkAxisActor > Axis
virtual void SetViewport(vtkViewport *viewport)
void ComputeRotationAndTranlation(vtkViewport *ren, double translation[3], double Rx[3], double Ry[3], double Rz[3], vtkAxisActor *axis)
void ComputerAutoCenterTranslation(const double &autoScaleFactor, double translation[3])
vtkWeakPointer< vtkViewport > Viewport
virtual int RenderOpaqueGeometry(vtkViewport *viewport)
This causes the actor to be rendered.
bool IsTextUpsideDown(double *a, double *b)
void SetScreenOffset(double offset)
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
virtual int RenderVolumetricGeometry(vtkViewport *viewport)
void ExecuteViewAngleVisibility(double normal[3])
double GetScreenOffset()
Set/Get the desired screen vertical offset from the axis.
void ShallowCopy(vtkProp *prop)
Shallow copy of a follower.
a vtkProp3D that always faces the camera
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:48
abstract specification for Viewports
Definition: vtkViewport.h:48
@ translation
Definition: vtkX3D.h:232
@ position
Definition: vtkX3D.h:261
@ offset
Definition: vtkX3D.h:438
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
vtkBooleanMacro(IgnoreDriverBugs, bool)
Updates the extensions string.