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MathGroup Archive 2003

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Re: Options for my own Packages?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg44219] Re: Options for my own Packages?
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 29 Oct 2003 03:34:03 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <bnlidb$p92$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

define the default options with

Options[curveGrid]={name->value, name2->value2}

curveGrid[arg1,opts___?OptionQ]:=
  Module[{thisname,  thisname2},
   {thisname,thisname2}={name,name2} /. {opts} /. Options[curveGrid];
  ...
  ]

Regards
  Jens

"Steven T. Hatton" wrote:
> 
> Can I create and use options in my own packages?  I've seen comments in the
> help documentation that say "built-in functions" have options.  Here's an
> example of what I want.  I created a class called curveGrid, which has data
> and methods for generating a coordinate grid defined by a mapping function
> passed to the constructor.  I would like to be able to set an option that
> changed the default color of all instances of this class.
> 
> Is there a way to accomplish this so that I can do something like
> SetOptions[curveGrid,name->value, name2->value2...]?
> --
> "Philosophy is written in this grand book, The Universe. ... But the book
> cannot be understood unless one first learns to comprehend the language...
> in which it is written. It is written in the language of mathematics, ...;
> without which wanders about in a dark labyrinth."   The Lion of Gaul


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