Re: [Choco-users] new to choco, different questions

[Sciss <co...@sc...>]

well, found the paper

http://www.emn.fr/jussien/publications/jussien-WCP00.pdf

and got choco working in groovy (groovy.codehaus.org):

pb =3D new choco.palm.PalmProblem();
a =3D pb.makeEnumIntVar( "a", 1, 15 );
b =3D pb.makeEnumIntVar( "b", 1, 15 );
c =3D pb.makeEnumIntVar( "c", 1, 15 );
d =3D pb.makeEnumIntVar( "d", 1, 15 );
e =3D pb.makeEnumIntVar( "e", 1, 15 );
f =3D pb.makeEnumIntVar( "f", 1, 15 );
pb.post( pb.geq( d, pb.plus( a, 1 )));
pb.post( pb.geq( d, pb.plus( b, 2 )));
pb.post( pb.geq( e ,pb.plus( c, 1 )));
pb.post( pb.geq( f, pb.plus( d, 4 )));
pb.post( pb.geq( f, pb.plus( e, 3 )));
pb.propagate();
println "result f =3D " + f.getDomain();


;-)  now trying out things.

ciao, -sciss-


Am 06.06.2007 um 16:09 schrieb Sciss:

> thank you! where can i find information / doc / tutorial about palm?
>
> ciao, -sciss-
>
>
> Am 06.06.2007 um 15:51 schrieb Guillaume Richaud:
>
>> Hi,
>>
>> To answer to your first question: yes you can add constraints and
>> remove them dynamically. But to be able to remove them without
>> restarting you have to use Choco/Palm.
>>
>> Guillaume
>>
>> Sciss a =E9crit :
>>> hi,
>>>
>>> i'm starting to learn about contraint programming. i want to
>>> evaluate  the possibilities of using choco with longterm question
>>> about  constraints that can change in a "realtime environment", so
>>> i'm  interested in the timing scheme of choco and if it's possible
>>> to  calculate some variables and at some later point in time
>>> modify  constraints (re-post them?) and re-calculate certain
>>> variables.
>>>
>>> then i'm interested in what i guess is called soft constraints,
>>> i.e.  variables that are only specified in terms of a probability
>>> distribution so that a solution is calculated by generating a
>>> random  number that satisfies that distribution.
>>>
>>> last, i'm interested to know if anyone is using choco in a
>>> scripting  environment on top of java, like groovy or jython.
>>>
>>> how senseful do you judge an effort to port the choco library to
>>> other languages like supercollider3?
>>>
>>> thanks, -sciss-
>>>
>
>
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