irtk.connectors.nvdiffrast_connector.lambert¶
- irtk.connectors.nvdiffrast_connector.lambert(nrm, wi)¶
- Lambertian bsdf. All tensors assume a shape of [minibatch_size, height, width, 3] or broadcastable equivalent. - Parameters:
- nrm – World space shading normal. 
- wi – World space light vector. 
 
- Returns:
- Shaded diffuse value with shape [minibatch_size, height, width, 1]