For all these experimental branches, is there a way to read the change 
logs without downloading the executables?


Mike


On 1/20/2019 12:32 PM, clipka wrote:
> Updated the Lommel-Seeliger / Oren-Nayar branch with all the latest 
> v3.8.0-alpha features, and released it under a new designation:
> 
> https://github.com/POV-Ray/povray/releases/tag/v3.8.0-x.10021928
> 
> 
> The `v3.8.0-x.NUMBER` designation is not intended to specifically denote 
> this pair of features, but rather a particular collection of additional 
> features quite likely to undergo further compatibility-breaking changes 
> before integration into the official development branch, but at the same 
> time highly unlikely to be ditched again. Lommel-Seeliger and Oren-Nayar 
> just happen to be the first such features to be in this branch.
> 
> 
> For example, with the Oren-Nayar diffuse model I am not sure yet whether 
> the parameter should specify the /standard deviation/ (sigma) or the 
> /variance/ (sigma squared) of the microfacets orientation. A comparison 
> with the parameterization used by other renderers (Blender maybe?) could 
> be of use there.
> 
> Also, the interaction between both new models and the `fresnel` feature 
> may still be subject to change; the current behaviour is simply emergent 
> from the simplest implementation, and may not be the most useful.

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