Re: Sierpinski

From	Ilya Zakharevich <nospam-abuse@ilyaz.org>
Newsgroups	comp.lang.postscript
Subject	Re: Sierpinski
Date	2011-12-27 20:13 +0000
Organization	U.C. Berkeley Math. Department.
Message-ID	<slrnjfk9ni.8sb.nospam-abuse@panda.math.berkeley.edu> (permalink)
References	<111db8ba-d74d-4641-9be8-b8396eb7b74a@f11g2000yql.googlegroups.com> <b9b6fdd9-ffa2-4a63-adbf-bb065c1e4f58@p13g2000yqd.googlegroups.com> <slrnjfcvak.km1.nospam-abuse@panda.math.berkeley.edu> <m5twdz0vh3it.w3eee1vf8him.dlg@40tude.net>

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On 2011-12-27, tlvp <mPiOsUcB.EtLlLvEp@att.net> wrote:
>> Just a hint: I do my Sierpinski in 0.5 setgray.  Then the stipple
>> pattern of a Laser printer makes the impression of "infinite depth".
>> Here is the source of one of the problems for the baby math circle:
>
> Neat Sierpinski gasket :-) . Where's your "baby math circle" hang out?

This year the lessons happen in 3 counties: in Berkeley, Marin and
Palo Alto.

>> %!PS
>> [ /Title  (Sierpinski gasket with a path to find pattern, continue and calc length)
>>   /Author (Ilya Zakharevich)
>>   /DOCINFO pdfmark
>>  %% etc. -- [remainder snipped] --
>
> Is it quite correct that when GS renders this there should be four
> heavy black edges, in approximately the following ASCII layout? --
>
>        /
>       /
>      /
>     /        (best viewed in some TTY or fixed spacing font)
>    /
>   /
>  /   /\
> /______\
>
> With everything else in 50% gray? If so, I'm just surprised, no harm done.
> But if not, there's something amiss w/ my GS installation.

Yes, read "the title".  It is an illustration for a problem on a math
circle (in transition from Pascal triangle to Zeno paradoxes).

Yours,
Ilya

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Koch snowflake using Lindenmeyer System luser- -droog <mijoryx@yahoo.com> - 2011-12-23 14:32 -0800
  Re: Koch snowflake using Lindenmeyer System luser- -droog <mijoryx@yahoo.com> - 2011-12-24 03:59 -0800
    Re: Sierpinski Ilya Zakharevich <nospam-abuse@ilyaz.org> - 2011-12-25 01:33 +0000
      Re: Sierpinski luser- -droog <mijoryx@yahoo.com> - 2011-12-24 21:22 -0800
        Re: Sierpinski Ilya Zakharevich <nospam-abuse@ilyaz.org> - 2011-12-25 22:49 +0000
          Re: Sierpinski luser- -droog <mijoryx@yahoo.com> - 2011-12-25 19:19 -0800
            Re: Sierpinski Ilya Zakharevich <nospam-abuse@ilyaz.org> - 2011-12-27 20:09 +0000
      Re: Sierpinski tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2011-12-26 21:47 -0500
        Re: Sierpinski Ilya Zakharevich <nospam-abuse@ilyaz.org> - 2011-12-27 20:13 +0000
          Re: Sierpinski tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2011-12-27 16:37 -0500
      Re: Sierpinski tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2011-12-26 22:26 -0500
      Re: Sierpinski tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2011-12-26 23:24 -0500
        Re: Sierpinski Ilya Zakharevich <nospam-abuse@ilyaz.org> - 2011-12-27 20:22 +0000
          Re: Sierpinski tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2011-12-27 16:29 -0500
            Re: [OT] Sierpinski etc Ilya Zakharevich <nospam-abuse@ilyaz.org> - 2011-12-28 22:37 +0000
              Re: [OT] Sierpinski etc tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2011-12-28 19:53 -0500
                Re: Sierpinski etc luser- -droog <mijoryx@yahoo.com> - 2011-12-28 23:35 -0800
                Re: Sierpinski etc tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2011-12-29 12:07 -0500
    ??? using Lindenmeyer System luser- -droog <mijoryx@yahoo.com> - 2011-12-27 22:55 -0800
      Re: ???(broccoli) using Lindenmeyer System luser- -droog <mijoryx@yahoo.com> - 2011-12-31 15:32 -0800

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