Op 16-5-2021 om 14:19 schreef jr:
> hi,
> 
> Thomas de Groot <tho### [at] degrootorg> wrote:
>> ...
>> I am just thinking aloud here, but I wonder /what/ makes the render time
>> quadruple? I shall make some test on my side too, because I don not
>> entirely understand the phenomenon.
> 
> no idea whether this info is any help.  the scene was, apart from added
> light_source, the same.  both objects are a 'mesh2' type, the one on the right
> with ("weighted average") normal_vectors.
> 
It is strange. The attached image is a simple scene with a mesh2 object 
(twice). A first render with only one light source took 8m39s; a second, 
with an added shadowless light, took 8m52s; a third render (attached) 
with the second light /not/ shadowless, took 10m20s.

We are far from a quadruple render time... I have no idea.

-- 
Thomas

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hi,

Thomas de Groot <tho### [at] degrootorg> wrote:
> ...
> It is strange. The attached image is a simple scene with a mesh2 object
> (twice). A first render with only one light source took 8m39s; a second,
> with an added shadowless light, took 8m52s; a third render (attached)
> with the second light /not/ shadowless, took 10m20s.
>
> We are far from a quadruple render time... I have no idea.

I wonder whether the normal vectors in the rightmost object somehow ..
interfere.  no idea, have attached the code I use.  nearly forgot - the
output_file_names in the ini file will need adjusting.


regards, jr.

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