Hi Francois,
first you should add the label parameter to your engine so that you can easily
call it at need. Something like:
O.engines=[...,
NewtonIntegrator(damping=0.7,label='Integrator')]
Then:
Integrator.damping=0.2 # to change the value of the damping parameter
By subtract I suppose you mean to get rid of that engine. You can do something
like:
Integrator.dead=True # it will deactivate the engine next time step
Chiara
On 2 May 2012, at 15:37, Rioual François wrote:
> Hello,
>
> I have two questions regarding some modifications in engines:
>
> - I would like to modify afterwards the value of the damping
> parameter in the NewtonIntegrator: how can I write it ?
>
> - I would like to substract an engine with PyRunner: how can I
> do it ?
>
> Thank's for your help,
>
>
> Francois
>
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