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A few more cosines to get straight

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Wenzel Jakob 2011-07-29 01:56:36 +02:00
parent 0e05949f2c
commit b605c5e937
2 changed files with 11 additions and 11 deletions
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19
src/bsdfs/coating.cpp
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@ -255,8 +255,9 @@ public:
if (measure == ESolidAngle) { if (measure == ESolidAngle) {
Float eta = m_extIOR / m_intIOR; Float eta = m_extIOR / m_intIOR;
/* Solid angle compression & irradiance conversion factors */ /* Solid angle compression & irradiance conversion factors */
result *= eta * eta * std::abs(Frame::cosTheta(bRec.wi) result *= eta * eta *
/ Frame::cosTheta(bRecInt.wi)); Frame::cosTheta(bRec.wi) * Frame::cosTheta(bRec.wo)
/ (Frame::cosTheta(bRecInt.wi) * Frame::cosTheta(bRecInt.wo));
} }
return result; return result;
@ -295,8 +296,8 @@ public:
if (measure == ESolidAngle) { if (measure == ESolidAngle) {
Float eta = m_extIOR / m_intIOR; Float eta = m_extIOR / m_intIOR;
pdf *= eta * eta * std::abs(Frame::cosTheta(bRec.wo) pdf *= eta * eta * Frame::cosTheta(bRec.wo)
/ Frame::cosTheta(bRecInt.wo)); / Frame::cosTheta(bRecInt.wo);
} }
@ -371,13 +372,13 @@ public:
result *= (1 - R12) * (1 - R21); result *= (1 - R12) * (1 - R21);
if (BSDF::getMeasure(bRec.sampledType) == ESolidAngle) { if (BSDF::getMeasure(bRec.sampledType) == ESolidAngle) {
Float eta = m_extIOR / m_intIOR, etaSqr = eta*eta;
/* Solid angle compression & irradiance conversion factors */ /* Solid angle compression & irradiance conversion factors */
Float eta = m_extIOR / m_intIOR, etaSqr = eta*eta;
Float temp = Frame::cosTheta(bRec.wo) / Frame::cosTheta(woPrime);
result *= etaSqr * result *= etaSqr *
std::abs(Frame::cosTheta(bRec.wi) / Frame::cosTheta(wiPrime)); Frame::cosTheta(bRec.wi) / Frame::cosTheta(wiPrime) * temp;
pdf *= etaSqr * pdf *= etaSqr * temp;
std::abs(Frame::cosTheta(bRec.wo) / Frame::cosTheta(woPrime));
} }

3
src/bsdfs/hk.cpp
View File

@ -215,9 +215,8 @@ public:
((-tauD/std::abs(cosThetaI)).exp() - (-tauD/std::abs(cosThetaO)).exp()); ((-tauD/std::abs(cosThetaI)).exp() - (-tauD/std::abs(cosThetaO)).exp());
} }
} }
return result * std::abs(cosThetaO);
} }
return result; return result;
} }