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On 5/14/21 10:20 AM, Alain Martel wrote:
>> hi,
>>
>> William F Pokorny <ano### [at] anonymous org> wrote:
>>> ...
>>> // This a povr branch only example!
>>> ...
>>> #declare Nrml00 = normal {
>>
>> the line above (28) gives me trouble.
>>
>>
>>> }
>>
>
> In an average, the control values determine the weight of that part. So,
> that [0 bevy type 1 bump_size 0.5] mean zero weight, zero contribution.
> This mean that it could be removed without affecting the final result.
> That zero weight may be the cause of your problem.
>
With povr the zero weight is part of the trick to pass the results of
this map entries normal perturbation to bevy type 4 so what you get is a
chain of perturbations ending in one result and not some average on
perturbation results.
That said, your suggestion should still work, but will result in a
normal both averaged and chained... Not something I've actually tried.
I'd guess it would come in as a mix of the lower two images.
All of the bevy stuff is still sitting only on my machine. I haven't
released it.
Bill P.
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