[Bf-committers] rendering mesh vertex color alpha component

[Joe Eagar]

Alexander Ewering wrote:
>
> On Mon, 6 Mar 2006, Tell-you-later wrote:
>
>> Hi All,
>>  I'm adopting Blender as my 3D tool/renderer for
>> scientific visualization, where mesh vertices quite
>> often colormap with alpha information, yet I'm
>> learning that such rendering isn't possible.  To be
>> complete, I already posted this question in
>>
>>     Blender.org Forum Index  -> Rendering
>>
>> about having semi-transparent vertices render when
>> belonging to a mesh with material mode VCol_Paint.
>>
>> I know everyone's busy, so is there anything I can do
>> to help in this regard?  Thanks!
>> Remik
>
> Well, vertices already store RGB information, I'm sure it wouldn't be 
> hard
> to add an alpha component. Maybe you can take a look at the code 
> yourself -
> though from what I remember, the vertex color code is a bit messy and
> tightly connected to the texture face code.
>
> Mesh->MCol (IIRC) stores the vertex colors...
Isn't brecht going to do stuff with the vert colors as part of his 
multiple uv/per-element blob data project?

joeedh