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- Newsgroups: sci.fractals
- Path: sparky!uunet!pipex!warwick!bham!ibm3090.bham.ac.uk!LANDINIG
- From: Gabriel Landini <g.landini@uk.ac.bham>
- Subject: Re: Syntax for the L-Systems part of FractInt?
- Sender: usenet@rs6000.bham.ac.uk (USENET News Service)
- Message-ID: <923516163524@ibm3090.bham.ac.uk>
- Date: Mon, 16 Nov 1992 16:35:24 GMT
- References: <92312.221051SRK106@psuvm.psu.edu> <9NOV199201025385@reg.triumf.ca> <92321.034453NMR103@psuvm.psu.edu>
- Organization: The University of Birmingham, United Kingdom
- Lines: 17
-
- >I was under the impression that L-systems were generated by IFS codes.
- >Am I completely wrong in this assumption? For example, the top half of
- >the Koch curve can be generated by replacing one line segment with
- >four segments, each 1/3 the length of the original (kind of looks like
- >this: _/\_ ) --- each of these line segments can be considered a
- >transformation with a set of IFS codes attached to it. Would this
- >be a correct definition of L-system?
- >------------------------------------------------------------------------------
-
- Both things are incorrect. You can draw some fractals by the 2
- methods (IFS & L-systems).
-
- While the IFS does affine transfromations of the space, with a L-sys
- you re-process a string. L-sys are like the logo turtle: go north.
- turn left 45, etc but with recursion on the same string. ;-)
-
- Gabriel
-