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Re: Localizing Large Numbers of Variables in a DynamicModule:

  • To: mathgroup at smc.vnet.net
  • Subject: [mg85747] Re: Localizing Large Numbers of Variables in a DynamicModule:
  • From: Szabolcs Horvát <szhorvat at gmail.com>
  • Date: Thu, 21 Feb 2008 17:53:44 -0500 (EST)
  • Organization: University of Bergen
  • References: <fpfkuo$k6t$1@smc.vnet.net>

Ron Monson wrote:
>   
> I'm wondering if anyone can see a shorter way of  localising a large number of variables within a DynamicModule? For example,  instead of 
> DynamicModule[{x1,x2,x3,x4,x5},
> oo[x1,x2,x3,x4,x5];
> oo[x1,x2,x3,x4,x5];
> something with an idiom along the lines of 
> args={x1,x2,x3,x4,x5};
> DynamicModule[args,
> oo[args];
> oo[args]
> 
> The motivation for this is that in constructing a complex  interface the number of varfiables and functions may get quite large and further,  these variables may also need to be accessed in another function that is nested  more deeply . For example, function foo may call other functions which in  turn call other functions ... until finally the bottom function may need to  access say the variable - x1. Having to  repeatedly pass the entire or selected parts of  the variable space can get unwieldy and impact on the final code's  readability. Thanks.


I really don't understand what you are trying to achieve here ... but 
perhaps you will find some inspiration in this:

With[{args = {x1,x2,x3,x4,x5}},
   DynamicModule[args,
     oo@@args;
     oo@@args;
     ...
   ]
]

With[] will just subsitute {x1,x2,x3,x4,x5} for every instance of args 
before it evaluates its body.

Szabolcs


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