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Subject: Re: problem while creating communicating agents during simulation
From: Jean-Pierre Muller (jean-pierre.muller@cirad.fr)
Date: Wed Oct 22 2008 - 12:40:42 CEST
It is the problem when the question of simulating dynamical systems
with dynamical structures has not been addressed as such from the
start (and couldn't because it takes time to get deeper understanding
of what we are doing). See MIMOSA for such an account (now with
Smalltalk scripting!).
Regards,
Jean-Pierre
Le 22 oct. 08 à 11:13, Nicolas Becu a écrit :
> Dear Olivier,
>
> I used exactly the same trick as you did to initialize the
> communication
> channel of agent created during simulation by another comm. Agent.
> For the moment it didn't cause any problem and I don't think it will
> because
> as far as I understood there is only one instance of channel used
> for all
> comm. entities of the model. So from wherever you pick it, it's all
> the
> same.
> Yet, we would have expect Cormas to manage by itself the
> initialization of
> agents' channel during simulation ;) :D
>
> Regards,
>
> Nicolas
>
> -----Message d'origine-----
> De : owner-cormas@cirad.cirad.fr [mailto:owner-
> cormas@cirad.cirad.fr] De la
> part de Olivier Barreteau
> Envoyé : mercredi 22 octobre 2008 04:44
> À : cormas@cirad.fr
> Objet : problem while creating communicating agents during simulation
>
> Hi,
>
> I am currently implementing a model in which instances of subclass of
> AgentComm
> (let's say AgentComm1) do launch creation and init of other
> instances of
> another subclass of AgentComm (let's say AgentComm2).
> This raises a problem because channel attribute of AgentComm is
> initialized
> in
> CormasModel initSimulation.
> Creating these new instances of AgentComm2 from an instance of
> AgentComm1 I
> can't get the channel attribute of the model.
>
> My solution to get through this has been to give the value of channel
> attribute
> of the instance of AgentComm1 to the channel attribute of AgentComm2.
> I think it is not generating problems in the simulation and at least
> it
> works.
>
> I wonder if some of you have already faced this problem and are
> aware of
> cleaner
> solution (such as a patch at the level of AgentComm rather than at
> the level
> of
> its subclasses)
>
> best
>
> Olivier
> Internal Virus Database is out of date.
> Checked by AVG - http://www.avg.com
> Version: 8.0.173 / Virus Database: 270.7.6/1714 - Release Date:
> 08/10/2008
> 07:01
>
------------------<[ATTENTION NOUVELLE ADRESSE CIRAD]>------------------
Jean-Pierre Muller e-
mail: jean-pierre.muller@cirad.fr
Senior scientist
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