void Shape::configure() {
if (m_bsdf == NULL) {
ref<BSDF> bsdf = NULL;
if (isEmitter() || isSensor() || hasSubsurface()) {
/* Light source / sensor and no BSDF! -> set an all-absorbing BSDF */
Properties props("diffuse");
props.setSpectrum("reflectance", Spectrum(0.0f));
bsdf = static_cast<BSDF *> (PluginManager::getInstance()->
createObject(MTS_CLASS(BSDF), props));
} else if (!isMediumTransition()) {
/* A surface without BSDF, which is not a medium
transition/sensor/emitter/subsurface emitter doesn't make
much sense. Assign it a 0.5 Lambertian BRDF for convenience */
Properties props("diffuse");
props.setSpectrum("reflectance", Spectrum(0.5f));
bsdf = static_cast<BSDF *> (PluginManager::getInstance()->
createObject(MTS_CLASS(BSDF), props));
} else {
/* Assign a "null" BSDF */
bsdf = static_cast<BSDF *> (PluginManager::getInstance()->
createObject(MTS_CLASS(BSDF), Properties("null")));
}
bsdf->configure();
addChild(bsdf);
}
if ((m_bsdf->getType() & BSDF::ENull) && (isEmitter() || isSensor() || hasSubsurface()))
Log(EError, "Shape \"%s\" has an index-matched BSDF and an "
"emitter/sensor/subsurface attachment. This is not allowed!", getName().c_str());
}
std::string toString() const {
std::ostringstream oss;
oss << "Rectangle[" << endl
<< " objectToWorld = " << indent(m_objectToWorld.toString()) << "," << endl;
if (isMediumTransition())
oss << " interiorMedium = " << indent(m_interiorMedium.toString()) << "," << endl
<< " exteriorMedium = " << indent(m_exteriorMedium.toString()) << "," << endl;
oss << " bsdf = " << indent(m_bsdf.toString()) << "," << endl
<< " emitter = " << indent(m_emitter.toString()) << "," << endl
<< " sensor = " << indent(m_sensor.toString()) << "," << endl
<< " subsurface = " << indent(m_subsurface.toString()) << endl
<< "]";
return oss.str();
}
std::string TriMesh::toString() const {
std::ostringstream oss;
oss << getClass()->getName() << "[" << endl
<< " name = \"" << m_name<< "\"," << endl
<< " triangleCount = " << m_triangleCount << "," << endl
<< " vertexCount = " << m_vertexCount << "," << endl
<< " faceNormals = " << (m_faceNormals ? "true" : "false") << "," << endl
<< " hasNormals = " << (m_normals ? "true" : "false") << "," << endl
<< " hasTexcoords = " << (m_texcoords ? "true" : "false") << "," << endl
<< " hasTangents = " << (m_tangents ? "true" : "false") << "," << endl
<< " hasColors = " << (m_colors ? "true" : "false") << "," << endl
<< " surfaceArea = " << m_surfaceArea << "," << endl
<< " aabb = " << m_aabb.toString() << "," << endl
<< " bsdf = " << indent(m_bsdf.toString()) << "," << endl
<< " subsurface = " << indent(m_subsurface.toString()) << "," << endl;
if (isMediumTransition()) {
oss << " interiorMedium = " << indent(m_interiorMedium.toString()) << "," << endl
<< " exteriorMedium = " << indent(m_exteriorMedium.toString()) << "," << endl;
}
oss << " luminaire = " << indent(m_luminaire.toString()) << endl
<< "]";
return oss.str();
}