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Re: Changing the head of the elements of an Imported list

• To: mathgroup at smc.vnet.net
• Subject: [mg40683] Re: [mg40650] Changing the head of the elements of an Imported list
• From: Tomas Garza <tgarza01 at prodigy.net.mx>
• Date: Sun, 13 Apr 2003 02:18:43 -0400 (EDT)
• References: <200304120709.DAA21282@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Apply[f, expr] or f @@ expr replaces the head of expr by f. 



Tomas Garza

Mexico City

----- Original Message ----- 
From: "feleki" <feleki at hbt.arch.ethz.ch>
To: mathgroup at smc.vnet.net
Subject: [mg40683] [mg40650] Changing the head of the elements of an Imported list


> 
> Hello Mathgroup!
> 
> I have a problem:
> 
> I need a list of Cuboids to be represented with the
> Graphics3D procedure.
> I would like to import this list of Cuboids from
> a text file generated by another program, the text file looks like:
> 
> Cuboid[{3,3,3}]
> Cuboid[{3,1,3}]
> Cuboid[{3,2,3}]
> Cuboid[{1,3,1}]
> 
> 
> and so on...
> 
> The problem is however that after importing
> the text file into a list in Mathematica, all the elements
> of the list have the head String while the
> Graphics3D requires them to have the head of Cuboid.
> 
> Is it possible to change the head of the
> elements of this list from Sting to Cuboid?
> 
> Best regards,
> Zsolt Feleki
> Phd Student
> Chair of Building Physics
> ETH H=F6nggerberg HIL E46.1, 8093 Z=FCrich
> Tel: 01-633 28 77/ 633 36 32
> Fax: 01-633 10 41
> http://www.bph.hbt.arch.ethz.ch
> 
> 
> 

• Follow-Ups:
  • Re: Re: Changing the head of the elements of an Imported list
    • From: Dr Bob <majort@cox-internet.com>

• References:
  • Changing the head of the elements of an Imported list
    • From: feleki <feleki@hbt.arch.ethz.ch>