[PD] pmpd output in audio rate

[cyrille henry]

Le 16/06/2016 19:49, João Pais a écrit :
> Hi, Cyrille,
>
>> The pmpd* object initial link length is the creation length.
>> this is diferent from the link object where length is manually specified.
>> The good things about this is that the created structure is mostly stable after it's creation. The bad thing is that link length can be different of what you want.
>> in your example, all masses are in position 1, except the fixed mass (0).
>> so the link from 0 to 1 and 0 to 20 have a length of 1.
>> This cause unexpected problem in boundaries.
>>
>> If you set masses position to 0, or send a message to set link length to 0, everything should be fine.
>
> I see, it works now with mass position = 0. Then there is still one thing I don't understand, all the masses are actually fixed, and created with "mass sound 1 ...". But they still move to make sound?
>
> I'll try to do a visualisation of the data, maybe I'll understand it better.

your patch made me realize a bug with negative length links in 1d simulation.
I just fixed it in svn.

cheers
c

>
>
> One thing, there is still a high resonance, just like in the original [pmpd~] example. I imagine this is a limit of the synthesis method?
>
> Best,
>
> Joao
>
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