Spectrum Class Reference

#include <color.h>

List of all members.

Public Member Functions
	Spectrum (float v=0.f)
	Spectrum (float cs[COLOR_SAMPLES])
Spectrum &	operator+= (const Spectrum &s2)
Spectrum	operator+ (const Spectrum &s2) const
Spectrum	operator- (const Spectrum &s2) const
Spectrum	operator/ (const Spectrum &s2) const
Spectrum	operator* (const Spectrum &sp) const
Spectrum &	operator*= (const Spectrum &sp)
Spectrum	operator* (float a) const
Spectrum &	operator*= (float a)
Spectrum	operator/ (float a) const
Spectrum &	operator/= (float a)
void	AddWeighted (float w, const Spectrum &s)
bool	operator== (const Spectrum &sp) const
bool	operator!= (const Spectrum &sp) const
bool	Black () const
Spectrum	Sqrt () const
Spectrum	Pow (const Spectrum &e) const
Spectrum	operator- () const
Spectrum	Clamp (float low=0.f, float high=INFINITY) const
bool	IsNaN () const
void	Print (FILE *f) const
void	XYZ (float xyz[3]) const
float	y () const
bool	operator< (const Spectrum &s2) const
Static Public Attributes
static const int	CIEstart = 360
static const int	CIEend = 830
static const int	nCIE = CIEend-CIEstart+1
static const float	CIE_X [nCIE]
static const float	CIE_Y [nCIE]
static const float	CIE_Z [nCIE]
Private Attributes
float	c [COLOR_SAMPLES]
Static Private Attributes
static float	XWeight [COLOR_SAMPLES]
static float	YWeight [COLOR_SAMPLES]
static float	ZWeight [COLOR_SAMPLES]
Friends
class	ParamSet
ostream &	operator<< (ostream &, const Spectrum &)
Spectrum	operator* (float a, const Spectrum &s)
Spectrum	Exp (const Spectrum &s)
Spectrum	FromXYZ (float x, float y, float z)

---

Detailed Description

Definition at line 29 of file color.h.

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Constructor & Destructor Documentation

Spectrum::Spectrum

(

float

v = 0.f

)

[inline]

Definition at line 32 of file color.h.

References COLOR_SAMPLES.

Spectrum::Spectrum

(

float

cs[COLOR_SAMPLES]

)

[inline]

Definition at line 36 of file color.h.

---

Member Function Documentation

Spectrum& Spectrum::operator+=

(

const Spectrum &

s2

)

[inline]

Definition at line 41 of file color.h.

References c, and COLOR_SAMPLES.

Spectrum Spectrum::operator+

(

const Spectrum &

s2

)

const [inline]

Definition at line 46 of file color.h.

References c, and COLOR_SAMPLES.

Spectrum Spectrum::operator-

(

const Spectrum &

s2

)

const [inline]

Definition at line 52 of file color.h.

References c, and COLOR_SAMPLES.

Spectrum Spectrum::operator/

(

const Spectrum &

s2

)

const [inline]

Definition at line 58 of file color.h.

References c, and COLOR_SAMPLES.

Spectrum Spectrum::operator*

(

const Spectrum &

sp

)

const [inline]

Definition at line 64 of file color.h.

References c, and COLOR_SAMPLES.

Spectrum& Spectrum::operator*=

(

const Spectrum &

sp

)

[inline]

Definition at line 70 of file color.h.

References c, and COLOR_SAMPLES.

Spectrum Spectrum::operator*

(

float

a

)

const [inline]

Definition at line 75 of file color.h.

References c, and COLOR_SAMPLES.

Spectrum& Spectrum::operator*=

(

float

a

)

[inline]

Definition at line 81 of file color.h.

References COLOR_SAMPLES.

Spectrum Spectrum::operator/

(

float

a

)

const [inline]

Definition at line 90 of file color.h.

Spectrum& Spectrum::operator/=

(

float

a

)

[inline]

Definition at line 93 of file color.h.

References COLOR_SAMPLES.

void Spectrum::AddWeighted	(	float	w,
		const Spectrum &	s
	)			[inline]

Definition at line 99 of file color.h.

References c, and COLOR_SAMPLES.

Referenced by ImageFilm::AddSample().

bool Spectrum::operator==

(

const Spectrum &

sp

)

const [inline]

Definition at line 103 of file color.h.

References c, and COLOR_SAMPLES.

bool Spectrum::operator!=

(

const Spectrum &

sp

)

const [inline]

Definition at line 108 of file color.h.

bool Spectrum::Black

(

)

const [inline]

Definition at line 111 of file color.h.

References COLOR_SAMPLES.

Referenced by EstimateDirect(), BidirIntegrator::evalPath(), BidirIntegrator::generatePath(), UberMaterial::GetBSDF(), Translucent::GetBSDF(), Mirror::GetBSDF(), Glass::GetBSDF(), IrradianceCache::IndirectLo(), WhittedIntegrator::Li(), SingleScattering::Li(), PhotonIntegrator::Li(), PathIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), PhotonIntegrator::Preprocess(), IGIIntegrator::Preprocess(), ExPhotonIntegrator::Preprocess(), and BSDF::Sample_f().

Spectrum Spectrum::Sqrt

(

)

const [inline]

Definition at line 116 of file color.h.

References c, and COLOR_SAMPLES.

Referenced by FresnelApproxEta(), and FresnelApproxK().

Spectrum Spectrum::Pow

(

const Spectrum &

e

)

const [inline]

Definition at line 122 of file color.h.

References c, and COLOR_SAMPLES.

Referenced by Lafortune::f().

Spectrum Spectrum::operator-

(

)

const [inline]

Definition at line 128 of file color.h.

References c, and COLOR_SAMPLES.

Spectrum Spectrum::Clamp	(	float	low = 0.f,
		float	high = INFINITY
	)			const [inline]

Definition at line 140 of file color.h.

References c, Clamp(), and COLOR_SAMPLES.

Referenced by MIPMap< Spectrum >::clamp(), FresnelApproxEta(), and FresnelApproxK().

bool Spectrum::IsNaN

(

)

const [inline]

Definition at line 147 of file color.h.

References COLOR_SAMPLES.

Referenced by Scene::Render().

void Spectrum::Print

(

FILE *

f

)

const [inline]

Definition at line 152 of file color.h.

References COLOR_SAMPLES.

void Spectrum::XYZ

(

float

xyz[3]

)

const [inline]

Definition at line 156 of file color.h.

References COLOR_SAMPLES.

float Spectrum::y

(

)

const [inline]

Definition at line 164 of file color.h.

References COLOR_SAMPLES.

Referenced by ImageTexture< T >::convert(), InfiniteAreaLightIS::InfiniteAreaLightIS(), SingleScattering::Li(), IGIIntegrator::Li(), EmissionIntegrator::Li(), operator<(), IGIIntegrator::Preprocess(), ExPhotonIntegrator::Preprocess(), ReadImage(), Scene::Render(), and WeightedSampleOneLight().

bool Spectrum::operator<

(

const Spectrum &

s2

)

const [inline]

Definition at line 170 of file color.h.

References y().

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Friends And Related Function Documentation

friend class ParamSet [friend]

Definition at line 173 of file color.h.

ostream& operator<<	(	ostream &	os,
		const Spectrum &	s
	)			[friend]

Definition at line 27 of file color.cpp.

Spectrum operator*	(	float	a,
		const Spectrum &	s
	)			[friend]

Definition at line 87 of file color.h.

Spectrum Exp

(

const Spectrum &

s

)

[friend]

Definition at line 134 of file color.h.

Spectrum FromXYZ	(	float	x,
		float	y,
		float	z
	)			[friend]

Definition at line 44 of file color.cpp.

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Member Data Documentation

const int Spectrum::CIEstart = 360 [static]

Definition at line 176 of file color.h.

const int Spectrum::CIEend = 830 [static]

Definition at line 177 of file color.h.

const int Spectrum::nCIE = CIEend-CIEstart+1 [static]

Definition at line 178 of file color.h.

const float Spectrum::CIE_X [static]

Definition at line 179 of file color.h.

const float Spectrum::CIE_Y [static]

Definition at line 180 of file color.h.

const float Spectrum::CIE_Z [static]

Definition at line 181 of file color.h.

float Spectrum::c[COLOR_SAMPLES] [private]

Definition at line 184 of file color.h.

Referenced by AddWeighted(), Clamp(), operator*(), operator*=(), operator+(), operator+=(), operator-(), operator/(), operator<<(), operator==(), Pow(), Sqrt(), and ParamSet::ToString().

float Spectrum::XWeight [static, private]

Initial value:

 {
        0.412453f, 0.357580f, 0.180423f
}

Definition at line 185 of file color.h.

float Spectrum::YWeight [static, private]

Initial value:

 {
        0.212671f, 0.715160f, 0.072169f
}

Definition at line 186 of file color.h.

float Spectrum::ZWeight [static, private]

Initial value:

 {
        0.019334f, 0.119193f, 0.950227f
}

Definition at line 187 of file color.h.

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

• color.h
• color.cpp