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## Re: [ESPResSo-users] Maze Constraints

 From: Christian Holm Subject: Re: [ESPResSo-users] Maze Constraints Date: Tue, 9 Jul 2013 21:30:26 +0100

```Hi

The Maze was implemented by Mehmet Sayar <address@hidden> long time ago. He is
in cc and might know more. It was not used very much, to my knowledge.

With best regards

Christian

Institut für Computerphysik
Universität Stuttgart
http://www.icp.uni-stuttgart.de/
Ph: +49-711- 685-63701

Am 09.07.2013 um 21:13 schrieb Axel Arnold <address@hidden>:

> Hi!
>
> The maze constraint is fairly old and I actually dont remember, who
> originally implemented it.
>
> In any case, I am pretty sure that it simply fills a periodic simulation box,
> and therefore neither allows to have only just the bottom filled only, nor
> allows to fill only part of the box. If you need something like this, you
> will have to modify the code. In particular, you will then need to think
> about the surfaces of your maze, which because of the periodic boundary
> conditions are not implemented yet.
>
> Regards,
> Axel
>
> On 07/09/2013 07:02 PM, Robyn Latimer (x2011ryq) wrote:
>> Hello everyone,
>>
>> I'm looking into using the maze constraint for a simulation. I was wondering
>> if anyone would be able to provide some clarification on a few points.
>>
>> 1. I would like to have a 2 dimensional maze constraint at z=0, ie on the
>> bottom of the box, is this possible? I haven't seen a place to input the
>> location of the constraint.
>> 2. I do not want the maze constraint to be the length of the box. Ideally it
>> would be half the size of the box, with one quarter of the box on either
>> side. ( So the bottom of the box would be - regular constraint (25) maze
>> constraint (50) regular constraint (25) with a total length of 100).
>>
>> If anyone knows if this is possible help would be greatly appreciated.
>>
>> Thanks,
>> Robyn
>
>
> --
> JP Dr. Axel Arnold
> ICP, Universität Stuttgart
> Pfaffenwaldring 27
> 70569 Stuttgart, Germany