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field.cpp: added ability to extract albedo values

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Wenzel Jakob 2014-02-23 16:12:01 +01:00
parent 209a19967b
commit b27a81f71b
1 changed files with 7 additions and 0 deletions
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7
src/integrators/misc/field.cpp
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@ -35,6 +35,7 @@ MTS_NAMESPACE_BEGIN
* \item \code{geoNormal}: Geometric surface normal * \item \code{geoNormal}: Geometric surface normal
* \item \code{shNormal}: Shading surface normal * \item \code{shNormal}: Shading surface normal
* \item \code{uv}: UV coordinate value * \item \code{uv}: UV coordinate value
* \item \code{albedo}: Albedo value of the BSDF
* \item \code{shapeIndex}: Integer index of the high-level shape * \item \code{shapeIndex}: Integer index of the high-level shape
* \item \code{primIndex}: Integer shape primitive index * \item \code{primIndex}: Integer shape primitive index
* \end{itemize} * \end{itemize}
@ -60,6 +61,7 @@ public:
EGeometricNormal, EGeometricNormal,
EShadingNormal, EShadingNormal,
EUV, EUV,
EAlbedo,
EShapeIndex, EShapeIndex,
EPrimIndex EPrimIndex
}; };
@ -79,6 +81,8 @@ public:
m_field = EShadingNormal; m_field = EShadingNormal;
} else if (field == "uv") { } else if (field == "uv") {
m_field = EUV; m_field = EUV;
} else if (field == "albedo") {
m_field = EAlbedo;
} else if (field == "shapeIndex") { } else if (field == "shapeIndex") {
m_field = EShapeIndex; m_field = EShapeIndex;
} else if (field == "primIndex") { } else if (field == "primIndex") {
@ -146,6 +150,9 @@ public:
case EUV: case EUV:
result.fromLinearRGB(its.uv.x, its.uv.y, 0); result.fromLinearRGB(its.uv.x, its.uv.y, 0);
break; break;
case EAlbedo:
result = its.shape->getBSDF()->getDiffuseReflectance(its);
break;
case EShapeIndex: { case EShapeIndex: {
const ref_vector<Shape> &shapes = rRec.scene->getShapes(); const ref_vector<Shape> &shapes = rRec.scene->getShapes();
result = Spectrum((Float) -1); result = Spectrum((Float) -1);