You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

111 lines
3.4 KiB
C++

/*=========================================================================
Program: Visualization Toolkit
Module: vtkFocalPlanePointPlacer.h
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.
=========================================================================*/
// .SECTION Description
//
//
// .SECTION See Also
#ifndef vtkFocalPlanePointPlacer_h
#define vtkFocalPlanePointPlacer_h
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkPointPlacer.h"
class vtkRenderer;
class VTKINTERACTIONWIDGETS_EXPORT vtkFocalPlanePointPlacer : public vtkPointPlacer
{
public:
/**
* Instantiate this class.
*/
static vtkFocalPlanePointPlacer* New();
//@{
/**
* Standard methods for instances of this class.
*/
vtkTypeMacro(vtkFocalPlanePointPlacer, vtkPointPlacer);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@}
// Description:
// Given a renderer and a display position, compute
// the world position and orientation. The orientation
// computed by the placer will always line up with the
// standard coordinate axes. The world position will be
// computed by projecting the display position onto the
// focal plane. This method is typically used to place a
// point for the first time.
int ComputeWorldPosition(
vtkRenderer* ren, double displayPos[2], double worldPos[3], double worldOrient[9]) override;
/**
* Given a renderer, a display position, and a reference
* world position, compute a new world position. The
* orientation will be the standard coordinate axes, and the
* computed world position will be created by projecting
* the display point onto a plane that is parallel to
* the focal plane and runs through the reference world
* position. This method is typically used to move existing
* points.
*/
int ComputeWorldPosition(vtkRenderer* ren, double displayPos[2], double refWorldPos[3],
double worldPos[3], double worldOrient[9]) override;
//@{
/**
* Validate a world position. All world positions
* are valid so these methods always return 1.
*/
int ValidateWorldPosition(double worldPos[3]) override;
int ValidateWorldPosition(double worldPos[3], double worldOrient[9]) override;
//@}
//@{
/**
* Optionally specify a signed offset from the focal plane for the points to
* be placed at. If negative, the constraint plane is offset closer to the
* camera. If positive, its further away from the camera.
*/
vtkSetMacro(Offset, double);
vtkGetMacro(Offset, double);
//@}
//@{
/**
* Optionally Restrict the points to a set of bounds. The placer will
* invalidate points outside these bounds.
*/
vtkSetVector6Macro(PointBounds, double);
vtkGetVector6Macro(PointBounds, double);
//@}
protected:
vtkFocalPlanePointPlacer();
~vtkFocalPlanePointPlacer() override;
void GetCurrentOrientation(double worldOrient[9]);
double PointBounds[6];
double Offset;
private:
vtkFocalPlanePointPlacer(const vtkFocalPlanePointPlacer&) = delete;
void operator=(const vtkFocalPlanePointPlacer&) = delete;
};
#endif