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.
92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/*=========================================================================
|
|
|
|
Program: Visualization Toolkit
|
|
Module: vtkVolumePicker.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.
|
|
|
|
=========================================================================*/
|
|
/**
|
|
* @class vtkVolumePicker
|
|
* @brief ray-cast picker enhanced for volumes
|
|
*
|
|
* vtkVolumePicker is a subclass of vtkCellPicker. It has one
|
|
* advantage over vtkCellPicker for volumes: it will be able to
|
|
* correctly perform picking when CroppingPlanes are present. This
|
|
* isn't possible for vtkCellPicker since it doesn't link to
|
|
* the VolumeRendering classes and hence cannot access information
|
|
* about the CroppingPlanes.
|
|
*
|
|
* @sa
|
|
* vtkPicker vtkPointPicker vtkCellPicker
|
|
*
|
|
* @par Thanks:
|
|
* This class was contributed to VTK by David Gobbi on behalf of Atamai Inc.
|
|
*/
|
|
|
|
#ifndef vtkVolumePicker_h
|
|
#define vtkVolumePicker_h
|
|
|
|
#include "vtkCellPicker.h"
|
|
#include "vtkRenderingVolumeModule.h" // For export macro
|
|
|
|
class VTKRENDERINGVOLUME_EXPORT vtkVolumePicker : public vtkCellPicker
|
|
{
|
|
public:
|
|
static vtkVolumePicker* New();
|
|
vtkTypeMacro(vtkVolumePicker, vtkCellPicker);
|
|
void PrintSelf(ostream& os, vtkIndent indent) override;
|
|
|
|
//@{
|
|
/**
|
|
* Set whether to pick the cropping planes of props that have them.
|
|
* If this is set, then the pick will be done on the cropping planes
|
|
* rather than on the data. The GetCroppingPlaneId() method will return
|
|
* the index of the cropping plane of the volume that was picked. This
|
|
* setting is only relevant to the picking of volumes.
|
|
*/
|
|
vtkSetMacro(PickCroppingPlanes, vtkTypeBool);
|
|
vtkBooleanMacro(PickCroppingPlanes, vtkTypeBool);
|
|
vtkGetMacro(PickCroppingPlanes, vtkTypeBool);
|
|
//@}
|
|
|
|
//@{
|
|
/**
|
|
* Get the index of the cropping plane that the pick ray passed
|
|
* through on its way to the prop. This will be set regardless
|
|
* of whether PickCroppingPlanes is on. The crop planes are ordered
|
|
* as follows: xmin, xmax, ymin, ymax, zmin, zmax. If the volume is
|
|
* not cropped, the value will bet set to -1.
|
|
*/
|
|
vtkGetMacro(CroppingPlaneId, int);
|
|
//@}
|
|
|
|
protected:
|
|
vtkVolumePicker();
|
|
~vtkVolumePicker() override;
|
|
|
|
void ResetPickInfo() override;
|
|
|
|
double IntersectVolumeWithLine(const double p1[3], const double p2[3], double t1, double t2,
|
|
vtkProp3D* prop, vtkAbstractVolumeMapper* mapper) override;
|
|
|
|
static int ClipLineWithCroppingRegion(const double bounds[6], const int extent[6], int flags,
|
|
const double x1[3], const double x2[3], double t1, double t2, int& extentPlaneId,
|
|
int& numSegments, double* t1List, double* t2List, double* s1List, int* planeIdList);
|
|
|
|
vtkTypeBool PickCroppingPlanes;
|
|
int CroppingPlaneId;
|
|
|
|
private:
|
|
vtkVolumePicker(const vtkVolumePicker&) = delete;
|
|
void operator=(const vtkVolumePicker&) = delete;
|
|
};
|
|
|
|
#endif
|