[Soc-2018-dev] Weekly report #07 - Implementing a Hair Shader for Cycles

[Brecht Van Lommel]

To reduce memory usage, you can use fewer subdivision steps for the hair.
You can do it for the entire file by running a script like this from the
text editor:

import bpy
for part in bpy.data.particles:
    part.render_step -= 2
    part.draw_step -= 2


On Fri, Jun 29, 2018 at 6:59 PM Leonardo E. Segovia <
leonardo.segovia at cs.uns.edu.ar> wrote:

> Week 7
>
> Hi everyone! This is my report for the present week.
> Objectives
>
> This week, I dealt with the objectives for Weeks 8, 10, and 11:
>
>    - Repurpose existing regression tests and obtain reference renders.
>    - User documentation revision.
>    - Developer documentation revision.
>
> Again, bzztploink and Lukas updated the builds on Monday.
> What's been done
>
>    - The usual merging commits from master (
>    rB909712423b9efb359c84327838bde2ca0873b8ba
>    <http://developer.blender.org/rB909712423b9efb359c84327838bde2ca0873b8ba>,
>    rB9b96b00910148a4342e85c402562aa5b125d0a5a
>    <http://developer.blender.org/rB9b96b00910148a4342e85c402562aa5b125d0a5a>,
>    rB744a806d7f9e5f2f8b86adf05b0c7e2c82ff16df
>    <http://developer.blender.org/rB744a806d7f9e5f2f8b86adf05b0c7e2c82ff16df>
>    ).
>    - Cleaned up the diff between our branch and master (
>    rB85bfd5ef008229a00ffc3c007cc58cb539ef6589
>    <http://developer.blender.org/rB85bfd5ef008229a00ffc3c007cc58cb539ef6589>,
>    rBb4959bb62bf791ee923f466ead535e3004305e77
>    <http://developer.blender.org/rBb4959bb62bf791ee923f466ead535e3004305e77>
>    ).
>    - The existing regression tests in the SVN repo have been ported to
>    the new shader (T55647 <https://developer.blender.org/T55647>):
>       - cycles/hair.blend
>       - the files in the render/ctests/hair/ directory
>    - The shader is now self-documented (
>    rB263925058ee07e8b5a2cd2dbb53f7910f8741825
>    <http://developer.blender.org/rB263925058ee07e8b5a2cd2dbb53f7910f8741825>).
>
>       - This will be necessary once I start to write the relevant
>       chapters of my thesis.
>       - The Python and RNA parts are not yet covered!
>    - I've also published the first version of the manual pages (T55648
>    <https://developer.blender.org/T55648>):
>       - https://github.com/amyspark/blender-manual/ is the Git repository
>       - https://www.amyspark.me/blender-manual/ is the live version
>       (thanks to GitHub Pages)
>
> Brecht managed to obtain permission to use the models from ChrisWillC's PBR
> shader <https://blenderartists.org/t/custom-hair-shader/1116458> for the
> reference renders.
> Next up
>
> To wrap up the documentation, we need:
>
>    - Charts detailing the effect of each property
>    - Reference renders with the custom shader
>
> I'm still waiting for my desktop to come back from the tech (faulty power
> supply), so I can't yet do them. Also, just loading ChrisWillC's model
> takes up ~5GB of RAM (both my desktop and MacBook have 8GB), so I need to
> figure out if I'll need to reduce it somehow or buy extra RAM 😟.
> QuestionsNone this time!
>
> --
> Lic. Leonardo E. Segovia
> Departamento de Ciencias e Ingeniería de la Computación
> Universidad Nacional del Sur
> San Andrés 800 - Campus Palihue, B8000 Bahía Blanca, Argentina
> --
> Soc-2018-dev mailing list
> Soc-2018-dev at blender.org
> https://lists.blender.org/mailman/listinfo/soc-2018-dev
>
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