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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPointSet.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.
=========================================================================*/
// .NAME vtkPointSet - abstract class for specifying dataset behavior
// .SECTION Description
// vtkPointSet is an abstract class that specifies the interface for
// datasets that explicitly use "point" arrays to represent geometry.
// For example, vtkPolyData and vtkUnstructuredGrid require point arrays
// to specify point position, while vtkStructuredPoints generates point
// positions implicitly.
// .SECTION See Also
// vtkPolyData vtkStructuredGrid vtkUnstructuredGrid
#ifndef __vtkPointSet_h
#define __vtkPointSet_h
#include "vtkDataSet.h"
#include "vtkPoints.h" // Needed for inline methods
class vtkPointLocator;
class VTK_FILTERING_EXPORT vtkPointSet : public vtkDataSet
{
public:
vtkTypeMacro(vtkPointSet,vtkDataSet);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Reset to an empty state and free any memory.
void Initialize();
// Description:
// Copy the geometric structure of an input point set object.
void CopyStructure(vtkDataSet *pd);
// Description:
// See vtkDataSet for additional information.
vtkIdType GetNumberOfPoints();
double *GetPoint(vtkIdType ptId) {return this->Points->GetPoint(ptId);};
void GetPoint(vtkIdType ptId, double x[3]) {this->Points->GetPoint(ptId,x);};
virtual vtkIdType FindPoint(double x[3]);
vtkIdType FindPoint(double x, double y, double z) {
return this->vtkDataSet::FindPoint(x, y, z);};
virtual vtkIdType FindCell(double x[3], vtkCell *cell, vtkIdType cellId,
double tol2, int& subId, double pcoords[3],
double *weights);
virtual vtkIdType FindCell(double x[3], vtkCell *cell,
vtkGenericCell *gencell, vtkIdType cellId,
double tol2, int& subId, double pcoords[3],
double *weights);
// Description:
// Get MTime which also considers its vtkPoints MTime.
unsigned long GetMTime();
// Description:
// Compute the (X, Y, Z) bounds of the data.
void ComputeBounds();
// Description:
// Reclaim any unused memory.
void Squeeze();
// Description:
// Specify point array to define point coordinates.
virtual void SetPoints(vtkPoints*);
vtkGetObjectMacro(Points,vtkPoints);
// Description:
// Return the actual size of the data in kilobytes. This number
// is valid only after the pipeline has updated. The memory size
// returned is guaranteed to be greater than or equal to the
// memory required to represent the data (e.g., extra space in
// arrays, etc. are not included in the return value). THIS METHOD
// IS THREAD SAFE.
unsigned long GetActualMemorySize();
// Description:
// Shallow and Deep copy.
void ShallowCopy(vtkDataObject *src);
void DeepCopy(vtkDataObject *src);
//BTX
// Description:
// Retrieve an instance of this class from an information object.
static vtkPointSet* GetData(vtkInformation* info);
static vtkPointSet* GetData(vtkInformationVector* v, int i=0);
//ETX
protected:
vtkPointSet();
~vtkPointSet();
vtkPoints *Points;
vtkPointLocator *Locator;
virtual void ReportReferences(vtkGarbageCollector*);
private:
void Cleanup();
vtkPointSet(const vtkPointSet&); // Not implemented.
void operator=(const vtkPointSet&); // Not implemented.
};
inline vtkIdType vtkPointSet::GetNumberOfPoints()
{
if (this->Points)
{
return this->Points->GetNumberOfPoints();
}
else
{
return 0;
}
}
#endif
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