You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
4.1 KiB
116 lines
4.1 KiB
/*=========================================================================
|
|
|
|
Program: Visualization Toolkit
|
|
Module: $RCSfile: vtkInteractorStyleTerrain.h,v $
|
|
|
|
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
|
|
All rights reserved.
|
|
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even
|
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
PURPOSE. See the above copyright notice for more information.
|
|
|
|
=========================================================================*/
|
|
// .NAME vtkInteractorStyleTerrain - manipulate camera in scene with natural view up (e.g., terrain)
|
|
// .SECTION Description
|
|
// vtkInteractorStyleTerrain is used to manipulate a camera which is viewing
|
|
// a scene with a natural view up, e.g., terrain. The camera in such a
|
|
// scene is manipulated by specifying azimuth (angle around the view
|
|
// up vector) and elevation (the angle from the horizon).
|
|
//
|
|
// The mouse binding for this class is as follows. Left mouse click followed
|
|
// rotates the camera around the focal point using both elevation and azimuth
|
|
// invocations on the camera. Left mouse motion in the horizontal direction
|
|
// results in azimuth motion; left mouse motion in the vertical direction
|
|
// results in elevation motion. Therefore, diagonal motion results in a
|
|
// combination of azimuth and elevation. (If the shift key is held during
|
|
// motion, then only one of elevation or azimuth is invoked, depending on the
|
|
// whether the mouse motion is primarily horizontal or vertical.) Middle
|
|
// mouse button pans the camera across the scene (again the shift key has a
|
|
// similar effect on limiting the motion to the vertical or horizontal
|
|
// direction. The right mouse is used to dolly (e.g., a type of zoom) towards
|
|
// or away from the focal point.
|
|
//
|
|
// The class also supports some keypress events. The "r" key resets the
|
|
// camera. The "e" key invokes the exit callback and by default exits the
|
|
// program. The "f" key sets a new camera focal point and flys towards that
|
|
// point. The "u" key invokes the user event. The "3" key toggles between
|
|
// stereo and non-stero mode. The "l" key toggles on/off a latitude/longitude
|
|
// markers that can be used to estimate/control position.
|
|
//
|
|
|
|
// .SECTION See Also
|
|
// vtkInteractorObserver vtkInteractorStyle vtk3DWidget
|
|
|
|
#ifndef __vtkInteractorStyleTerrain_h
|
|
#define __vtkInteractorStyleTerrain_h
|
|
|
|
#include "vtkInteractorStyle.h"
|
|
|
|
class vtkPolyDataMapper;
|
|
class vtkSphereSource;
|
|
class vtkExtractEdges;
|
|
|
|
class VTK_RENDERING_EXPORT vtkInteractorStyleTerrain : public vtkInteractorStyle
|
|
{
|
|
public:
|
|
// Description:
|
|
// Instantiate the object.
|
|
static vtkInteractorStyleTerrain *New();
|
|
|
|
vtkTypeRevisionMacro(vtkInteractorStyleTerrain,vtkInteractorStyle);
|
|
void PrintSelf(ostream& os, vtkIndent indent);
|
|
|
|
// Description:
|
|
// Event bindings controlling the effects of pressing mouse buttons
|
|
// or moving the mouse.
|
|
virtual void OnMouseMove();
|
|
virtual void OnLeftButtonDown();
|
|
virtual void OnLeftButtonUp();
|
|
virtual void OnMiddleButtonDown();
|
|
virtual void OnMiddleButtonUp();
|
|
virtual void OnRightButtonDown();
|
|
virtual void OnRightButtonUp();
|
|
|
|
// Description:
|
|
// Override the "fly-to" (f keypress) for images.
|
|
virtual void OnChar();
|
|
|
|
// These methods for the different interactions in different modes
|
|
// are overridden in subclasses to perform the correct motion.
|
|
virtual void Rotate();
|
|
virtual void Pan();
|
|
virtual void Dolly();
|
|
|
|
// Description:
|
|
// Turn on/off the latitude/longitude lines.
|
|
vtkSetMacro(LatLongLines,int);
|
|
vtkGetMacro(LatLongLines,int);
|
|
vtkBooleanMacro(LatLongLines,int);
|
|
|
|
protected:
|
|
vtkInteractorStyleTerrain();
|
|
~vtkInteractorStyleTerrain();
|
|
|
|
// Internal helper attributes
|
|
int LatLongLines;
|
|
|
|
vtkSphereSource *LatLongSphere;
|
|
vtkPolyDataMapper *LatLongMapper;
|
|
vtkActor *LatLongActor;
|
|
vtkExtractEdges *LatLongExtractEdges;
|
|
|
|
void SelectRepresentation();
|
|
void CreateLatLong();
|
|
|
|
double MotionFactor;
|
|
|
|
private:
|
|
vtkInteractorStyleTerrain(const vtkInteractorStyleTerrain&); // Not implemented.
|
|
void operator=(const vtkInteractorStyleTerrain&); // Not implemented.
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|