VTK
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
Public Member Functions | List of all members
vtkGenericPointIterator Class Referenceabstract

iterator used to traverse points More...

#include <vtkGenericPointIterator.h>

Inherits vtkObject.

Public Member Functions

virtual void Begin ()=0
 
virtual int IsAtEnd ()=0
 
virtual void Next ()=0
 
virtual double * GetPosition ()=0
 
virtual void GetPosition (double x[3])=0
 
virtual vtkIdType GetId ()=0
 

Protected Member Functions

 vtkGenericPointIterator ()
 
virtual ~vtkGenericPointIterator ()
 
typedef vtkObject Superclass
 
static int IsTypeOf (const char *type)
 
static vtkGenericPointIteratorSafeDownCast (vtkObjectBase *o)
 
virtual int IsA (const char *type)
 
vtkGenericPointIteratorNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent)
 
virtual vtkObjectBase * NewInstanceInternal () const
 

Detailed Description

iterator used to traverse points

This class (and subclasses) are used to iterate over points. Use it only in conjunction with vtkGenericDataSet (i.e., the adaptor framework).

Typical use is:

vtkGenericDataSet *dataset;
vtkGenericPointIterator *it = dataset->NewPointIterator();
for (it->Begin(); !it->IsAtEnd(); it->Next());
  {
  x=it->GetPosition();
  }
Tests:
vtkGenericPointIterator (Tests)

Definition at line 41 of file vtkGenericPointIterator.h.

Member Typedef Documentation

Standard VTK construction and type macros.

Definition at line 46 of file vtkGenericPointIterator.h.

Constructor & Destructor Documentation

vtkGenericPointIterator::vtkGenericPointIterator ( )
protected

Destructor.

virtual vtkGenericPointIterator::~vtkGenericPointIterator ( )
protectedvirtual

Destructor.

Member Function Documentation

static int vtkGenericPointIterator::IsTypeOf ( const char *  type)
static

Standard VTK construction and type macros.

virtual int vtkGenericPointIterator::IsA ( const char *  type)
virtual

Standard VTK construction and type macros.

static vtkGenericPointIterator* vtkGenericPointIterator::SafeDownCast ( vtkObjectBase *  o)
static

Standard VTK construction and type macros.

virtual vtkObjectBase* vtkGenericPointIterator::NewInstanceInternal ( ) const
protectedvirtual

Standard VTK construction and type macros.

vtkGenericPointIterator* vtkGenericPointIterator::NewInstance ( ) const

Standard VTK construction and type macros.

void vtkGenericPointIterator::PrintSelf ( ostream &  os,
vtkIndent  indent 
)

Standard VTK construction and type macros.

virtual void vtkGenericPointIterator::Begin ( )
pure virtual

Move iterator to first position if any (loop initialization).

virtual int vtkGenericPointIterator::IsAtEnd ( )
pure virtual

Is the iterator at the end of traversal?

virtual void vtkGenericPointIterator::Next ( )
pure virtual

Move the iterator to the next position in the list.

Precondition
not_off: !IsAtEnd()
virtual double* vtkGenericPointIterator::GetPosition ( )
pure virtual

Get the coordinates of the point at the current iterator position.

Precondition
not_off: !IsAtEnd()
Postcondition
result_exists: result!=0
virtual void vtkGenericPointIterator::GetPosition ( double  x[3])
pure virtual

Get the coordinates of the point at the current iterator position.

Precondition
not_off: !IsAtEnd()
x_exists: x!=0
virtual vtkIdType vtkGenericPointIterator::GetId ( )
pure virtual

Return the unique identifier for the point, could be non-contiguous.

Precondition
not_off: !IsAtEnd()

The documentation for this class was generated from the following file: