#include <SparseField.h>

Public Types
typedef SparseField< Data_T >	class_type
	Convenience typedef.
Public Member Functions
	block_iterator (const class_type &field, const Box3i &window, const V3i &currentPos)
	Constructor.
const Box3i &	blockBoundingBox ()
	Returns a reference to the bounding box representing the current block.
bool	operator!= (const block_iterator &rhs) const
	Inequality check.
const block_iterator &	operator++ ()
	Increment iterator.
bool	operator== (const block_iterator &rhs) const
	Equality check.
Public Attributes
int	x
	Current block index.
int	y
int	z
Private Member Functions
void	recomputeBlockBoundingBox ()
Private Attributes
Box3i	m_currentBlockWindow
	Bounding box in voxel coordinates for the current block.
const class_type &	m_field
	Pointer to field we're traversing.
Box3i	m_window
	Bounding box for block indices.

Detailed Description

template<class Data_T>
class SparseField< Data_T >::block_iterator

Note:: This iterator type can not be dereferenced. It's only used to provide a bounding box and indices for each block.

Definition at line 940 of file SparseField.h.

Member Typedef Documentation

template<class Data_T>

typedef SparseField<Data_T> SparseField< Data_T >::block_iterator::class_type

Convenience typedef.

Definition at line 944 of file SparseField.h.

Constructor & Destructor Documentation

template<class Data_T>

SparseField< Data_T >::block_iterator::block_iterator	(	const class_type &	field,
		const Box3i &	window,
		const V3i &	currentPos
	)		`[inline]`

Constructor.

Definition at line 946 of file SparseField.h.

    : x(currentPos.x), y(currentPos.y), z(currentPos.z), 
      m_window(window), m_field(field)
  {
    recomputeBlockBoundingBox();
  }

Member Function Documentation

template<class Data_T>

const block_iterator& SparseField< Data_T >::block_iterator::operator++ ( ) [inline]

Increment iterator.

Definition at line 954 of file SparseField.h.

References SparseField< Data_T >::block_iterator::x.

  {
    if (x == m_window.max.x) {
      if (y == m_window.max.y) {
        x = m_window.min.x;
        y = m_window.min.y;
        ++z;
      } else {
        x = m_window.min.x; 
        ++y;
      }
    } else {
      ++x;
    }
    recomputeBlockBoundingBox();
    return *this;
  }

template<class Data_T>

bool SparseField< Data_T >::block_iterator::operator== ( const block_iterator & rhs ) const [inline]

Equality check.

Definition at line 972 of file SparseField.h.

References SparseField< Data_T >::block_iterator::x, SparseField< Data_T >::block_iterator::y, and SparseField< Data_T >::block_iterator::z.

  {
    return x == rhs.x && y == rhs.y && z == rhs.z;
  }

template<class Data_T>

bool SparseField< Data_T >::block_iterator::operator!= ( const block_iterator & rhs ) const [inline]

Inequality check.

Definition at line 977 of file SparseField.h.

References SparseField< Data_T >::block_iterator::x, SparseField< Data_T >::block_iterator::y, and SparseField< Data_T >::block_iterator::z.

  {
    return x != rhs.x || y != rhs.y || z != rhs.z;
  }

template<class Data_T>

const Box3i& SparseField< Data_T >::block_iterator::blockBoundingBox ( ) [inline]

Returns a reference to the bounding box representing the current block.

Definition at line 982 of file SparseField.h.

  {
    return m_currentBlockWindow;
  }

template<class Data_T>

void SparseField< Data_T >::block_iterator::recomputeBlockBoundingBox ( ) [inline, private]

Definition at line 989 of file SparseField.h.

References SparseField< Data_T >::blockSize(), and FIELD3D_CLIP.

  {
    Box3i box;
    int blockSize = m_field.blockSize();
    box.min = V3i(x * blockSize, y * blockSize, z * blockSize);
    box.max = box.min + V3i(blockSize - 1, blockSize - 1, blockSize - 1);
    // Clamp the box 
    box.min = FIELD3D_CLIP(box.min, m_field.dataWindow());
    box.max = FIELD3D_CLIP(box.max, m_field.dataWindow());
    // Set the member variable
    m_currentBlockWindow = box;
  }