/usr/include/VTKEdge/vtkKWEVoxelAlignedImageActorPointPlacer.h is in libvtkedge-dev 0.2.0~20110819-1build2.
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// This file is part of VTKEdge. See vtkedge.org for more information.
//
// Copyright (c) 2010 Kitware, Inc.
//
// VTKEdge may be used under the terms of the BSD License
// Please see the file Copyright.txt in the root directory of
// VTKEdge for further information.
//
// Alternatively, you may see:
//
// http://www.vtkedge.org/vtkedge/project/license.html
//
//
// For custom extensions, consulting services, or training for
// this or any other Kitware supported open source project, please
// contact Kitware at sales@kitware.com.
//
//
//=============================================================================
// .NAME vtkKWEVoxelAlignedImageActorPointPlacer - point placer that forces the placement of points to the nearest voxel center
// .SECTION Description
// vtkKWEVoxelAlignedImageActorPointPlacer is a point placer that works on
// image actors and automatically forces the placement of the point to
// the nearest voxel center. This is useful when using voxelized editing
// widgets and you'd like to see the shape be placed exactly over a voxel
// rather than in between two voxels.
#ifndef __vtkKWEVoxelAlignedImageActorPointPlacer_h
#define __vtkKWEVoxelAlignedImageActorPointPlacer_h
#include "VTKEdgeConfigure.h" // needed for export symbols directives
#include "vtkImageActorPointPlacer.h"
class VTKEdge_WIDGETS_EXPORT vtkKWEVoxelAlignedImageActorPointPlacer
: public vtkImageActorPointPlacer
{
public:
// Description:
// Instantiate this class.
static vtkKWEVoxelAlignedImageActorPointPlacer *New();
// Description:
// Standard methods for instances of this class.
vtkTypeRevisionMacro(vtkKWEVoxelAlignedImageActorPointPlacer,
vtkImageActorPointPlacer);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Given and renderer and a display position in pixels,
// find a world position and orientation. In this class
// an internal vtkBoundedPlanePointPlacer is used to compute
// the world position and orientation. The internal placer
// is set to use the plane of the image actor and the bounds
// of the image actor as the constraints for placing points.
int ComputeWorldPosition( vtkRenderer *ren,
double displayPos[2],
double worldPos[3],
double worldOrient[9] );
// Description:
// This method is identical to the one above since the
// reference position is ignored by the bounded plane
// point placer.
int ComputeWorldPosition( vtkRenderer *ren,
double displayPos[2],
double refWorldPos[2],
double worldPos[3],
double worldOrient[9] );
// Description:
// This method validates a world position by checking to see
// if the world position is valid according to the constraints
// of the internal placer (essentially - is this world position
// on the image?)
int ValidateWorldPosition( double worldPos[3] );
// Description:
// This method is identical to the one above since the bounded
// plane point placer ignores orientation
int ValidateWorldPosition( double worldPos[3],
double worldOrient[9]);
// Description:
// Update the world position and orientation according the
// the current constraints of the placer. Will be called
// by the representation when it notices that this placer
// has been modified.
int UpdateWorldPosition( vtkRenderer *ren,
double worldPos[3],
double worldOrient[9]);
protected:
vtkKWEVoxelAlignedImageActorPointPlacer();
~vtkKWEVoxelAlignedImageActorPointPlacer();
int InternalValidateWorldPosition(double worldPos[3]);
private:
vtkKWEVoxelAlignedImageActorPointPlacer(
const vtkKWEVoxelAlignedImageActorPointPlacer&); //Not implemented
void operator=(const vtkKWEVoxelAlignedImageActorPointPlacer&); //Not implemented
};
#endif
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