hermes::BBox3< T > Class Template Reference

Public Member Functions
HERMES_DEVICE_CALLABLE	BBox3 ()
	Creates an empty bounding box.
HERMES_DEVICE_CALLABLE	BBox3 (const Point3< T > &p)
HERMES_DEVICE_CALLABLE	BBox3 (const Point3< T > &c, real_t r)
HERMES_DEVICE_CALLABLE	BBox3 (const Point3< T > &p1, const Point3< T > &p2)
HERMES_DEVICE_CALLABLE bool	contains (const Point3< T > &p) const
HERMES_DEVICE_CALLABLE bool	contains (const BBox3 &b) const
HERMES_DEVICE_CALLABLE bool	containsExclusive (const Point3< T > &p) const
HERMES_DEVICE_CALLABLE void	expand (real_t delta)
HERMES_DEVICE_CALLABLE Vector3< T >	diagonal () const
HERMES_DEVICE_CALLABLE int	maxExtent () const
HERMES_DEVICE_CALLABLE Vector3< T >	offset (const Point3< T > &p) const
HERMES_DEVICE_CALLABLE T	surfaceArea () const
HERMES_DEVICE_CALLABLE T	volume () const
std::vector< BBox3 >	splitBy8 () const
HERMES_DEVICE_CALLABLE Point3< T >	center () const
HERMES_DEVICE_CALLABLE Point3< T >	centroid () const
HERMES_DEVICE_CALLABLE T	size (u32 d) const
HERMES_DEVICE_CALLABLE const Point3< T > &	operator[] (int i) const
HERMES_DEVICE_CALLABLE Point3< T > &	operator[] (int i)
HERMES_DEVICE_CALLABLE Point3< T >	corner (int c) const
HERMES_DEVICE_CALLABLE BBox2< T >	xy () const
HERMES_DEVICE_CALLABLE BBox2< T >	yz () const
HERMES_DEVICE_CALLABLE BBox2< T >	xz () const

Static Public Member Functions
static HERMES_DEVICE_CALLABLE BBox3	unitBox (bool centroid_center=false)

Public Attributes
Point3< T >	lower
Point3< T >	upper

Detailed Description

template<typename T>
class hermes::BBox3< T >

Axis-aligned region of space.

Template Parameters

T	coordinates type

Constructor & Destructor Documentation

BBox3() [1/3]

template<typename T >

HERMES_DEVICE_CALLABLE hermes::BBox3< T >::BBox3 ( const Point3< T > &  p )

inlineexplicit

Creates a bounding enclosing a single point

Parameters

p

point

BBox3() [2/3]

template<typename T >

HERMES_DEVICE_CALLABLE hermes::BBox3< T >::BBox3 ( const Point3< T > &  c, real_t  r  )

inline

Creates a bounding box of 2r side centered at c

Parameters

c	center point
r	radius

BBox3() [3/3]

template<typename T >

HERMES_DEVICE_CALLABLE hermes::BBox3< T >::BBox3 ( const Point3< T > &  p1, const Point3< T > &  p2  )

inline

Creates a bounding box enclosing two points

Parameters

p1	first point
p2	second point

Member Function Documentation

contains() [1/2]

template<typename T >

HERMES_DEVICE_CALLABLE bool hermes::BBox3< T >::contains ( const BBox3< T > &  b ) const

inline

Parameters

b

bbox

Returns

true if bbox is fully inside

contains() [2/2]

template<typename T >

HERMES_DEVICE_CALLABLE bool hermes::BBox3< T >::contains ( const Point3< T > &  p ) const

inline

Parameters

p

Returns

true if this bounding box encloses p

containsExclusive()

template<typename T >

HERMES_DEVICE_CALLABLE bool hermes::BBox3< T >::containsExclusive ( const Point3< T > &  p ) const

inline

Doesn't consider points on the upper boundary to be inside the bbox

Parameters

p

point

Returns

true if contains exclusive

corner()

template<typename T >

HERMES_DEVICE_CALLABLE Point3<T> hermes::BBox3< T >::corner ( int  c ) const

inline

Parameters

c	corner index

Returns

corner point

diagonal()

template<typename T >

HERMES_DEVICE_CALLABLE Vector3<T> hermes::BBox3< T >::diagonal ( ) const

inline

Returns

vector along the diagonal upper - lower

expand()

template<typename T >

HERMES_DEVICE_CALLABLE void hermes::BBox3< T >::expand ( real_t  delta )

inline

Pads the bbox in both dimensions

Parameters

delta

expansion factor (lower - delta, upper + delta)

maxExtent()

template<typename T >

HERMES_DEVICE_CALLABLE int hermes::BBox3< T >::maxExtent ( ) const

inline

Returns

index of longest axis

offset()

template<typename T >

HERMES_DEVICE_CALLABLE Vector3<T> hermes::BBox3< T >::offset ( const Point3< T > &  p ) const

inline

Parameters

p

point

Returns

position of p relative to the corners where lower has offset (0,0,0) and upper (1,1,1)

operator[]() [1/2]

template<typename T >

HERMES_DEVICE_CALLABLE Point3<T>& hermes::BBox3< T >::operator[] ( int  i )

inline

Parameters

i	0 = lower, 1 = upper

Returns

lower or upper point

operator[]() [2/2]

template<typename T >

HERMES_DEVICE_CALLABLE const Point3<T>& hermes::BBox3< T >::operator[] ( int  i ) const

inline

Parameters

i	0 = lower, 1 = upper

Returns

lower or upper point

splitBy8()

template<typename T >

std::vector<BBox3> hermes::BBox3< T >::splitBy8 ( ) const

inline

y |_ x z / 2 / 3 /

/ 6 / 7 /

| 0 | 1 |

| 4 | 5 |

surfaceArea()

template<typename T >

HERMES_DEVICE_CALLABLE T hermes::BBox3< T >::surfaceArea ( ) const

inline

Returns

surface area of the six faces

volume()

template<typename T >

HERMES_DEVICE_CALLABLE T hermes::BBox3< T >::volume ( ) const

inline

Returns

volume inside the bounds

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

• hermes/geometry/bbox.h