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MathGroup Archive 2005

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Re: Mathematica query

  • To: mathgroup at smc.vnet.net
  • Subject: [mg58568] Re: Mathematica query
  • From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
  • Date: Fri, 8 Jul 2005 00:45:59 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <daiu13$t3l$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

you mean:

  IndexedPointSet /: 
Graphics[IndexedPointSet[pnts_, lst_]] :=
                       Graphics[
                         lst /. 
{Point[index_Integer] :>
                                   Point[pnts[[index]]],

                        (h : (Line | 
Polygon))[index_] :>
                           h[pnts[[#]] & /@ 
index] }]

iset = IndexedPointSet[{{0, 0}, {1, 0}, {1, 1}, 
{0, 1}},
  {{RGBColor[1, 0, 0], Point[1]},
  {RGBColor[0, 1, 0], Line[{1, 2, 3}]},
  {RGBColor[0, 0, 1], Polygon[{2, 3, 4}]}}]

Show[Graphics[iset]]

??

Regards

  Jens

"Aditya Kelkar" <adityakelkar at iitb.ac.in> schrieb 
im Newsbeitrag news:daiu13$t3l$1 at smc.vnet.net...
>
> Hello,
>   I am currently working in Mathematica to 
> develope few geometry
> demonstrations. Can two or more lines share same 
> endpoints? Can any
> operations such as drag, move etc can be done on 
> this shared point which
> makes corresponding changes in all those lines? 
> Basically can any object
> be shared between different objects along with 
> its properties? I hope my
> query is clear.
> Please reply asap.
>
> with regards,
> ADITYA KELKAR
> MTech, CSE
> IIT,Bombay
> India
>
> 



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