際際滷

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舒仄舒亳从亳 亰舒
                亞亠仆亠舒亳于仆仂 亳亰从于仂

   丿舒从舒 仆舒 丐亠

   L  亳亠仄亳

       亟亠

       仗亳舒仆亳亠

       亠仄仂仆舒亳亳

       弌仂亠


仂亟亞仂于亠仆亳 仂 .亠仆从仂于 从舒仂 舒 仂 从舒 仆舒 个 亰舒 亰亳仄亠仆 亠仄亠 2010/2011. 舒亞仍舒于仆仂仂
亳亰仂弍舒亢亠仆亳亠 舒亟舒仗亳舒仆仂 仂 仂亳亞亳仆舒仍仆舒舒 亞舒仄舒亳从舒 仂 http://contextfree.lazymoon.org.
丿舒从舒 仆舒 丐亠
   弌亠弍舒亳亠仆 丐亠 亠 亠仆从亳 仄仂仆舒 仂 仂仄亳仆亳从舒仆从亳
    仂亟亠仆, 亢亳于磿 仗亠亰 17/18于.
   亰于亠亠仆  仗仂亳亢亠仆亳舒 亳 于 仂弍仍舒舒 仆舒
    亳亟舒于仍亳从舒舒, 亞舒亳从舒舒, 仄舒亠仄舒亳从舒舒 亳 亳仗仂亞舒亳舒
   亠亰 1704 舒亰亞仍亠亢亟舒 于亳从亳 于亰仄仂亢仆亳 仂仄亳, 从仂亳仂 亠
    仗仂仍舒于舒 仂 仗仂亟亠亟弍舒舒 仆舒 仗舒于仂亞仍仆亳 亳亞仍仆亳亳
    舒亰仗仂仍仂亢亠仆亳 于 亠亠亳亠 从舒 仆舒 从于舒亟舒.
舒亰仆仂于亳亟仆仂亳
   亳 亰舒仄礌舒 仆舒 舒从舒舒  亟亞亳 仂仆仂于仆亳
    仂仄亳 亠 仗仂仍舒于舒 亳仆亠亠仆亳 亠亰仍舒亳:
舒亰仆仂于亳亟仆仂亳...
?
 亞舒仍亠亳舒 仆舒 Contexfree.org




                        Eco by Aihle
        http://www.contextfreeart.org/gallery/view.php?id=1937
 亞舒仍亠亳舒 仆舒 Context Free
startshape D
油
rule D
{
  C {r 15}
  C {r 45}
}
rule C
{
  B {}
  B {f -90}
}
油
rule B
{
  A {}
  A {r 60}
  A { r 120 }
  A { r 180 }
  A { r 240 }
  A { r 300 }
}
油
rule A
{
  CIRCLE {s 1 .0006}
  A {x .9 r 120.21 s .99 b .0005 }
}                                                                     Star by Latex
                                     http://www.contextfreeart.org/gallery/view.php?id=45
亳仆亟亠仄舒亠 亳亠仄亳
   舒亰舒弍仂亠仆亳 仂 弍亳仂仍仂亞舒 亳亳亟 亳仆亟亠仆仄舒亠
   于仂仆舒舒仍仆仂 亰亟舒亟亠仆亳 亰舒 仄仂亟亠仍亳舒仆亠 舒亠亢舒
    仆舒 于仂亟仂舒仍亳 亳 亟亞亳 舒亠仆亳
   亰仗仂仍亰于舒仍亳 舒 亠 亰舒 亳仍ム亳舒仆亠 仂仆仂亠仆亳舒 仄/
    亠亟仆亳亠 从仍亠从亳
    仗仂仍亠亟于亳亠 亠 仗亠于舒 于 舒仆亟舒亠仆 仄亠仂亟
    亰舒 仂仗亳舒仆亳亠 仆舒 仍仂亢仆亳 从亳  舒亰从仍仂仆亠仆亳
   亠从亳于仆舒舒 仆舒舒 仆舒 L-system 亞亳 仗舒于亳
    仗仂亟仂亟亳 亰舒 仂仗亳舒仆亳亠 仆舒 舒从舒仍亳
   舒仄亳舒 舒亰仆仂仂弍舒亰仆仂 仗亳仍仂亢亠仆亳亠 仗亳
    亰亟舒于舒仆亠仂 仆舒 亞亠仆亠舒亳于仆亳 从亳
L-Systems
   仗亳于舒 亠 仂 仄仆仂亢亠于仂仂:

                                        G = (V,  , 裡)

   ...从亟亠仂
       V 亠 仄仆仂亢亠于仂 仂 亳仄于仂仍亳, 于亠从亳 仂 从仂亶仂 仄仂亢亠 亟舒 亳仄舒 亳亰于仂亟 (亟舒 弍亟亠 舒亰仗亳舒仆 于
        亟亞)
        亠 舒从亳仂仄舒
       裡  仄仆仂亢亠于仂 仂 仗舒于亳仍舒 亰舒 亳亰于仂亟
   舒亳舒 亠 仂亠 Semi-Thue 亞舒仄舒亳从舒, 亠从于亳于舒仍亠仆 仆舒 亞舒仄舒亳从舒 仂 丐亳仗 0 (仂弍
    亳仗)
   弍亳从仆仂于亠仆仂 亠 仄舒, 亠 舒 仂 仆磻舒从于 仗仂磲从
   舒亰仍亳从舒舒  亟亞亳亠 亞舒仄舒亳从亳 仂 仂仄舒仍亳亰仄舒 仆舒 丼仂仄从亳 亠, 亠 仆舒 于磻舒
    亳亠舒亳 亠 仗亳仍舒亞舒 于亳从亳 于亰仄仂亢仆亳 仗舒于亳仍舒 亳 舒从舒 亠 仗仂舒亢亟舒
    仍亠亟于舒亳 仗仂磲从. 丐.亠. 舒仄亠于舒 亠 于亳从亳 亳仄于仂仍亳 亠亟仆仂于亠仄亠仆仆仂.
   弌舒仄舒 仗仂 亠弍亠 亳 舒亰仗亳舒仆舒舒 亟仄舒 亠 亳仄于仂仍亠仆 仆亳亰, 亞舒亳仆亳 仄亳仍 亠
    仗亳亟舒于舒 于 仗仂仍亠亟于亳亠.
L-System vs. CFDG
   L-systems 亠 仂仗亳于舒  亞舒仄舒亳从亳 仂 仗仂-仂弍 于亳亟, 亟仂从舒仂
    CFDG 亞舒仄舒亳从亳亠 舒 从仂仆亠从仆仂 于仂弍仂亟仆亳.
   仂亟从 仂 亳仆亟亠仄舒亠 亳亠仄亳亠 亠 仗于仂 亳仄于仂仍亠仆
    (亠亟仆仂仄亠亠仆), 舒 于 仗仂仍亠亟于亳亠 仗亳亟仂弍亳于舒 仄仆仂亞仂仄亠亠仆
    仄亳仍.
   亠亟亳 亟舒 亠 亞亠仆亠亳舒仆 亳仄于仂仍仆亳 仆亳亰, 亠亰仍舒 仂
    仗亳仍舒亞舒仆亠仂 仆舒 L-system 仆亠 仄仂亢亠 亟舒 亰舒 仗仂仆亠 亠舒仍仆仂仂
    亳亰亞舒亢亟舒仆亠 仆舒 从舒舒
   仂舒仆于仂仂, 于 从仂亠仂 亠 舒亰于亳于舒 L-Systems 亠
    亟于亳亰仄亠仆舒 亳仍亳 亳亳亰仄亠仆舒 从仂仂亟亳仆舒仆舒 亳亠仄舒.
   舒 舒亰仍亳从舒 仂 CFDG 仆礆舒 舒仆仂仄舒亳仂仆仆仂
    仗仂舒仆于仂 亰舒 于亠从亳 亳亰于仂亟
亳仄亠  Cantor Dust
      仂仄亠仆仍亳于亳 : A B                  ( 仂磲从 ) 亠亰仍舒
           - 亳于舒亶 亳 亠 亟于亳亢亳
                                         (1) 
          B - 亟于亳亢亳 亠 弍亠亰 亟舒 亳于舒
                                         (2) ABA
      从亳仂仄舒 : A
                                         (3) ABABBBABA
      舒于亳仍舒
                                         (4) ABABBBABABBBBBBBBBABABBBABA
          (A  ABA)
          (B  BBB)

1...
2...
3...
4...
5...
6...
7...
亳于舒 仆舒 仂
   仂仄亠仆仍亳于舒(亳) : F         n = 0:

   仂仆舒仆亳 : +            F

       + e 仂舒亳 仆舒 90'
                              n = 1:
       - 亠 仂舒亳 仆舒 -90'
                              F+F-F-F+F

                              n = 2:
   从亳仂仄舒 : F
                              F+F-F-F+F+F+F-F-F+F-F+F-F-F+F-F+F-F-F+F+F+F-F-
        仂亰仆舒舒于舒 亟于亳亢亠仆亳亠 亳   F+F
        亳于舒仆亠 仆舒仗亠亟 
        亠亟亳仆亳舒 舒亰仂礌亳亠
                              n = 3:

   舒于亳仍仂 亰舒 亳亰于仂亟 :        F+F-F-F+F+F+F-F-F+F-F+F-F-F+F-F+F-F-F+F+F+F-F-
                              F+F+ F+F-F-F+F+F+F-F-F+F-F+F-F-F+F-F+F-F-
        (F  F+FFF+F)
                              F+F+F+F-F-F+F- F+F-F-F+F+F+F-F-F+F-F+F-F-F+F-
                              F+F-F-F+F+F+F-F-F+F- F+F-F-F+F+F+F-F-F+F-F+F-F-
                              F+F-F+F-F-F+F+F+F-F-F+F+ F+F-F-F+F+F+F-F-F+F-
                              F+F-F-F+F-F+F-F-F+F+F+F-F-F+F
个仂仄舒仍仆仂 仂仗亳舒仆亳亠 仆舒 L-Systems
   仗亳于舒 亠 亟于亳亢亠仆亳亠仂 仆舒 '从仂亠仆从舒舒' 于 N- 仄亠仆仂 仗仂舒仆于仂 (仆舒亶-亠仂
    2D).
       舒仗亳仄亠 于 亟于仄亠仆仂 仗仂舒仆于仂 仂礌亳亠仂 仆舒 从仂亠仆从舒舒 亠 仂仗亠亟亠仍 仂
        仂亶从舒舒 (x, y, a), 从亟亠仂 (x, y) 舒 舒亠亰亳亠于亳 从仂仂亟亳仆舒亳, 舒 (a) 亠 亠从舒舒
        仂亳亠仆舒亳
   亳亟舒于舒 亠 从仂仆从亠亠仆 仄亳仍 仆舒 仆磻仂亳 亳仄于仂仍亳, 从仂亳仂 亠 舒亰仗亳于舒 仗仂-
    从仆仂 仂 L-System
   舒亟舒于舒 亠 从仂仆舒仆亳, 仆舒仗亳仄亠 仂仗亠亟亠仍亳 舒仆亟舒亠仆 亞仍 仆舒 亰舒于舒仆亠,
    亟仍亢亳仆舒 仆舒 亳亰亳于舒仆舒舒 仂亠从舒 亳 .仆.
    亰舒于亳亳仄仂 仂 于亳亟舒 仆舒 亳亠仄舒舒 仄仂亢亠 亟舒 弍亟亠 于于亠亟亠仆 亳 亳仄于仂仍 亰舒
    亰舒仗舒亰于舒仆亠 仆舒 亠从a舒 仗仂亰亳亳 仆舒 '从仂亠仆从舒舒' 亳 仂于亠仆仂  于亰仄仂亢仆仂
    亰舒 仗仂仍亠亟于舒仂 于亰舒仆仂于磦舒仆亠.
       丐仂于舒 仗仂亰于仂仍磦舒 舒亰仗亳于舒仆亠 仆舒 舒亰从仍仂仆亠仆亳
       舒亶仆亳 亠亰仍舒 亠 仄仂亢亠 亟舒 亳仄舒 亳 仄仆仂亢亠于仂 于仍仂亢亠仆亳 亳礌亳
   舒于亳仍舒舒 亰舒 亳亰于仂亟 于 L-Systems 仄仂亞舒 亟舒 弍亟舒 亳  仂舒亳亠仆 舒舒从亠
       仂亰于仂仍磦舒 亞亠亠亳舒仆亠 仆舒 亠亳亳 仂 仗仂亟仂弍仆亳 亠亰仍舒亳
       于亠亢亟舒 亠仍亠仄亠仆 仆舒 仍舒亶仆仂 于 亠亟亳仆 亳  亠亰仍舒
个仂仄舒仍仆仂 仂仗亳舒仆亳亠 仆舒 L-Systems
Angle={COUNT}          : 亰舒亟舒于舒仆亠 仆舒 亞仍舒 亳亰仗仂仍亰于舒仆 仂 '+' and '-' 亟舒 亠
                         舒于亠仆 仆舒 360 / {COUNT} 亞舒亟舒

Axiom {COMMANDS} : 仆舒舒仍仆仂 仄仆仂亢亠于仂 仂 从仂仄舒仆亟亳 {COMMANDS}

{COUNT}+ : 亰舒于仂亶 于仍磦仂 {COUNT} 仗亳. 从仂 {COUNT} 仍亳仗于舒 - 1
{COUNT}- : 亰舒于仂亶 于亟仆仂 {COUNT} 仗亳. 从仂 {COUNT} 仍亳仗于舒 - 1

|         : 亰舒于仂亶 仆舒 180 亞舒亟舒 亳仍亳 仆舒 仆舒亶-亞仂仍亠仄亳 于亰仄仂亢亠仆 亰舒于仂亶
仗仂-仄舒仍从 仂 180 亞舒亟舒

f, d        : 亳于舒仆亠 仆舒 仍亳仆亳 亳亰仗仂仍亰于亶舒从亳 亠从舒舒 仗仂仂从舒 亳 亟仍亢亳仆舒
g, m        : 亟于亳亢亠仆亳亠 仆舒仗亠亟 于仄亠仂 亳于舒仆亠

 {ANGLE} : 亰舒于仂亶 于仍磦仂 仆舒 {ANGLE} 亞舒亟舒
/ {ANGLE} : 亰舒于仂亶 于亟仆仂 仆舒 {ANGLE} 亞舒亟舒

[      : 亰舒仗舒亰于舒仆亠 仆舒 仂礌亳亠仂 (仗仂亰亳亳, 亞仍, 舒亰仄亠 亳 .仆.)
]      : 于亰舒仆仂于磦舒仆亠 仆舒 仂礌亳亠仂
个仂仄舒仍仆仂 仂仗亳舒仆亳亠 仆舒 L-System

!    : 亳仆于亠亳舒仆亠 仄亳仍舒 仆舒 +, - 亳  亳 /
 @{SCALE} : 从舒仍亳舒仆亠 仆舒 亟舒亟亠仆舒舒 仍亳仆亳 {SCALE} 仗亳
 @q{SCALE} : 舒从仍亳舒仆亠 仆舒 亠仗亠仆 从于舒亟舒亠仆 从仂亠仆 仂
{SCALE}
 @I{SCALE} : 从舒仍亳舒仆亠  1 / {SCALE}
c{INDEX} : 亰舒亟舒于舒仆亠 仆舒 于亠仂于亳 亳仆亟亠从 {INDEX}
<{COUNT} : 于亠仍亳舒于舒仆亠 仆舒 于亠仂于亳 亳仆亟亠从  {COUNT}
>{COUNT} : 仆舒仄舒仍磦舒仆亠 仆舒 于亠仂于亳 亳仆亟亠从  {COUNT}
 {LETTER}={COMMANDS} : 舒仂亳亳舒仆亠 仆舒 {COMMANDS} 
亳仄于仂仍舒 {LETTER}
亳于舒 仆舒 丱 从舒仂 L-system
Koch1 {
; 舒亟舒仗舒亳 仆舒 Adrian Mariano
; 仂 从仆亳亞舒舒 The Fractal Geometry of Nature
; 仂 亠仆仂舒 舒亟亠仍弍仂

     Angle 6
     Axiom F--F--F
     F = F+F--F+F
 }




                                              仗仂仍亠亟仂于舒亠仍仆亳 亞亠仆亠舒亳亳
仂亟亠仍亳 仆舒 舒亠仆亳


 油 舒从亳仂仄舒: F油
 油 仗舒于亳仍仂: F -> F[-F]F[+F][F]

                                 1     2        3            4            5




Bush { ; Adrian Mariano              Weed {
  Angle 16                             Angle 50
  Axiom ++++F                          Axiom +++++++++++++x
  F=FF-[-F+F+F]+[+F-F-F]               x=f[@.5+++++++++x]-f[@.4-----------!x]@.6x
  }                                    }
磻仂亳 仗仂仗仍仆亳 从亳于亳
                 仗亠亟舒于亠仆亳  L-Systems
                                                                                                                 Hilbert curve
                                          32-segment curve




F -> -F+F-F-F+F+FF-F+F+FF+F-F-FF+FF-FF+F+F-FF-F-F+FF-F-F+F+F-F+   L -> +RF-LFL-FR+, R -> -LF+RFR+FL-



                                           Peano-Gosper curve                                                    Square curve




                                    X -> X+YF++YF-FXFXFX-YF+
                                    Y -> -FX+YFYF++YF+FXFX-Y
                                    60属                                                                X -> XF-F+F-XF+F+XF-F+F-X
Dragon Curve
                                      3
             1            2




                      4
X -> X+YF+
Y -> -FX-Y                        5

                                      6




                              8
                  7                       9
亳亰舒仍亳亰舒亳 仆舒 L-Systems
   弌 Context Free 亠 仗仂-仍仂亢仆仂
       礆舒 于亰仄仂亢仆仂 亰舒 亳亰于仂亟 仗亳 舒亰仗亳于舒仆亠 仆舒 仗亳舒
       亰亳于舒仆亠仂 舒于舒 仆舒 于磻舒 亳亠舒亳 仆舒 舒亰仗亳于舒仆亠 仆舒
        仗舒于亳仍舒, 舒 仆亠 舒仄仂 于 仗仂仍亠亟仆亳 仗仂磲从
   弌 Structure Synth 亠 于亰仄仂亢仆仂, 亰舒仂仂 亳仄舒 仄亠舒仆亳亰仄
    亰舒 仂亞舒仆亳舒于舒仆亠 亟仍弍仂亳仆舒舒 仆舒 亳亰于仂亟舒
   弌 仗仂仄仂舒 仆舒 FractInt
   弌 仗仂仄仂舒 仆舒 Fractal Science Kit
       仗亳舒仆舒舒 亳亠仄舒 亠 亳仗亳仆舒 亰舒 Fractal Science Kit
       弍仂仗亳亠 亰舒仗亳, 从仂亶仂 亠 亳亰仗仂仍亰于舒 亳 仂 亟亞亳 仂亠仆亳
        仗舒从亠亳
   仆仂   仆舒 仂弍于亠仆 从亳仗
亳弍仍亳仂亞舒亳
   http://mathworld.wolfram.com/TruchetTiling.html - 舒从舒 仆舒 丐亠

   http://www.biologie.uni-hamburg.de/b-online/e28_3/lsys.html - 弍舒
    亳仆仂仄舒亳 亰舒 L-Systems

   en.wikipedia.org/wiki/L-system  仂亠 亠亟仆仂 于于亠亟亠仆亳亠 亰舒 L-Systems

   http://www.nahee.com/spanky/www/fractint/lsys/tutor.html - 仄仂仆仂仂
    从仂于仂亟于仂 亰舒 L-Systems  仄仆仂亢亠于仂 仗亳仄亠亳

   http://algorithmicbotany.org/ - 亳亰舒仍仆亳 仄仂亟亠仍亳 亰舒 仄仂仂亞亠仆亠亰亳
弌仂亠 亰舒 L-Systems

   http://www.javaview.de/vgp/tutor/lsystem/PaLSystem.html - 仗仂 舒仗仍亠 亰舒
    亠从仗亠亳仄亠仆亳  L-Systems (Java)


    http://web.mit.edu/~eric_r/Public/lsystems/ - 仗仂 舒仗仍亠 亰舒 弍亰仂 仄仂亟亠仍亳舒仆亠
    仆舒 3D L-Systems (Java/Processing)

   http://mathworld.wolfram.com/LindenmayerSystem.html - 亠舒亶仍亳 亰舒 仆磻仂亳
    仗仂仗仍仆亳 L-Systems

   http://www.generation5.org/content/2002/lse.asp - 仗仂仂 仗亳仍仂亢亠仆亳亠 亰舒
    亳亰仍亠亟于舒仆亠 仆舒 L-Systems

   http://www.fractalsciencekit.com/ - Fractal Science Kit

   http://www.nahee.com/spanky/www/fractint/fractint.html - 仂亳亳舒仍亠仆 舒亶 仆舒
    FractInt. 丐亠从舒 于亠亳 20.0

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Grammars for Generative Art - Lectures @ Sofia University #6

  • 1. 舒仄舒亳从亳 亰舒 亞亠仆亠舒亳于仆仂 亳亰从于仂 丿舒从舒 仆舒 丐亠 L 亳亠仄亳 亟亠 仗亳舒仆亳亠 亠仄仂仆舒亳亳 弌仂亠 仂亟亞仂于亠仆亳 仂 .亠仆从仂于 从舒仂 舒 仂 从舒 仆舒 个 亰舒 亰亳仄亠仆 亠仄亠 2010/2011. 舒亞仍舒于仆仂仂 亳亰仂弍舒亢亠仆亳亠 舒亟舒仗亳舒仆仂 仂 仂亳亞亳仆舒仍仆舒舒 亞舒仄舒亳从舒 仂 http://contextfree.lazymoon.org.
  • 2. 丿舒从舒 仆舒 丐亠 弌亠弍舒亳亠仆 丐亠 亠 亠仆从亳 仄仂仆舒 仂 仂仄亳仆亳从舒仆从亳 仂亟亠仆, 亢亳于磿 仗亠亰 17/18于. 亰于亠亠仆 仗仂亳亢亠仆亳舒 亳 于 仂弍仍舒舒 仆舒 亳亟舒于仍亳从舒舒, 亞舒亳从舒舒, 仄舒亠仄舒亳从舒舒 亳 亳仗仂亞舒亳舒 亠亰 1704 舒亰亞仍亠亢亟舒 于亳从亳 于亰仄仂亢仆亳 仂仄亳, 从仂亳仂 亠 仗仂仍舒于舒 仂 仗仂亟亠亟弍舒舒 仆舒 仗舒于仂亞仍仆亳 亳亞仍仆亳亳 舒亰仗仂仍仂亢亠仆亳 于 亠亠亳亠 从舒 仆舒 从于舒亟舒.
  • 3. 舒亰仆仂于亳亟仆仂亳 亳 亰舒仄礌舒 仆舒 舒从舒舒 亟亞亳 仂仆仂于仆亳 仂仄亳 亠 仗仂仍舒于舒 亳仆亠亠仆亳 亠亰仍舒亳:
  • 5. ?
  • 6. 亞舒仍亠亳舒 仆舒 Contexfree.org Eco by Aihle http://www.contextfreeart.org/gallery/view.php?id=1937
  • 7. 亞舒仍亠亳舒 仆舒 Context Free startshape D 油 rule D { C {r 15} C {r 45} } rule C { B {} B {f -90} } 油 rule B { A {} A {r 60} A { r 120 } A { r 180 } A { r 240 } A { r 300 } } 油 rule A { CIRCLE {s 1 .0006} A {x .9 r 120.21 s .99 b .0005 } } Star by Latex http://www.contextfreeart.org/gallery/view.php?id=45
  • 8. 亳仆亟亠仄舒亠 亳亠仄亳 舒亰舒弍仂亠仆亳 仂 弍亳仂仍仂亞舒 亳亳亟 亳仆亟亠仆仄舒亠 于仂仆舒舒仍仆仂 亰亟舒亟亠仆亳 亰舒 仄仂亟亠仍亳舒仆亠 舒亠亢舒 仆舒 于仂亟仂舒仍亳 亳 亟亞亳 舒亠仆亳 亰仗仂仍亰于舒仍亳 舒 亠 亰舒 亳仍ム亳舒仆亠 仂仆仂亠仆亳舒 仄/ 亠亟仆亳亠 从仍亠从亳 仗仂仍亠亟于亳亠 亠 仗亠于舒 于 舒仆亟舒亠仆 仄亠仂亟 亰舒 仂仗亳舒仆亳亠 仆舒 仍仂亢仆亳 从亳 舒亰从仍仂仆亠仆亳 亠从亳于仆舒舒 仆舒舒 仆舒 L-system 亞亳 仗舒于亳 仗仂亟仂亟亳 亰舒 仂仗亳舒仆亳亠 仆舒 舒从舒仍亳 舒仄亳舒 舒亰仆仂仂弍舒亰仆仂 仗亳仍仂亢亠仆亳亠 仗亳 亰亟舒于舒仆亠仂 仆舒 亞亠仆亠舒亳于仆亳 从亳
  • 9. L-Systems 仗亳于舒 亠 仂 仄仆仂亢亠于仂仂: G = (V, , 裡) ...从亟亠仂 V 亠 仄仆仂亢亠于仂 仂 亳仄于仂仍亳, 于亠从亳 仂 从仂亶仂 仄仂亢亠 亟舒 亳仄舒 亳亰于仂亟 (亟舒 弍亟亠 舒亰仗亳舒仆 于 亟亞) 亠 舒从亳仂仄舒 裡 仄仆仂亢亠于仂 仂 仗舒于亳仍舒 亰舒 亳亰于仂亟 舒亳舒 亠 仂亠 Semi-Thue 亞舒仄舒亳从舒, 亠从于亳于舒仍亠仆 仆舒 亞舒仄舒亳从舒 仂 丐亳仗 0 (仂弍 亳仗) 弍亳从仆仂于亠仆仂 亠 仄舒, 亠 舒 仂 仆磻舒从于 仗仂磲从 舒亰仍亳从舒舒 亟亞亳亠 亞舒仄舒亳从亳 仂 仂仄舒仍亳亰仄舒 仆舒 丼仂仄从亳 亠, 亠 仆舒 于磻舒 亳亠舒亳 亠 仗亳仍舒亞舒 于亳从亳 于亰仄仂亢仆亳 仗舒于亳仍舒 亳 舒从舒 亠 仗仂舒亢亟舒 仍亠亟于舒亳 仗仂磲从. 丐.亠. 舒仄亠于舒 亠 于亳从亳 亳仄于仂仍亳 亠亟仆仂于亠仄亠仆仆仂. 弌舒仄舒 仗仂 亠弍亠 亳 舒亰仗亳舒仆舒舒 亟仄舒 亠 亳仄于仂仍亠仆 仆亳亰, 亞舒亳仆亳 仄亳仍 亠 仗亳亟舒于舒 于 仗仂仍亠亟于亳亠.
  • 10. L-System vs. CFDG L-systems 亠 仂仗亳于舒 亞舒仄舒亳从亳 仂 仗仂-仂弍 于亳亟, 亟仂从舒仂 CFDG 亞舒仄舒亳从亳亠 舒 从仂仆亠从仆仂 于仂弍仂亟仆亳. 仂亟从 仂 亳仆亟亠仄舒亠 亳亠仄亳亠 亠 仗于仂 亳仄于仂仍亠仆 (亠亟仆仂仄亠亠仆), 舒 于 仗仂仍亠亟于亳亠 仗亳亟仂弍亳于舒 仄仆仂亞仂仄亠亠仆 仄亳仍. 亠亟亳 亟舒 亠 亞亠仆亠亳舒仆 亳仄于仂仍仆亳 仆亳亰, 亠亰仍舒 仂 仗亳仍舒亞舒仆亠仂 仆舒 L-system 仆亠 仄仂亢亠 亟舒 亰舒 仗仂仆亠 亠舒仍仆仂仂 亳亰亞舒亢亟舒仆亠 仆舒 从舒舒 仂舒仆于仂仂, 于 从仂亠仂 亠 舒亰于亳于舒 L-Systems 亠 亟于亳亰仄亠仆舒 亳仍亳 亳亳亰仄亠仆舒 从仂仂亟亳仆舒仆舒 亳亠仄舒. 舒 舒亰仍亳从舒 仂 CFDG 仆礆舒 舒仆仂仄舒亳仂仆仆仂 仗仂舒仆于仂 亰舒 于亠从亳 亳亰于仂亟
  • 11. 亳仄亠 Cantor Dust 仂仄亠仆仍亳于亳 : A B ( 仂磲从 ) 亠亰仍舒 - 亳于舒亶 亳 亠 亟于亳亢亳 (1) B - 亟于亳亢亳 亠 弍亠亰 亟舒 亳于舒 (2) ABA 从亳仂仄舒 : A (3) ABABBBABA 舒于亳仍舒 (4) ABABBBABABBBBBBBBBABABBBABA (A ABA) (B BBB) 1... 2... 3... 4... 5... 6... 7...
  • 12. 亳于舒 仆舒 仂 仂仄亠仆仍亳于舒(亳) : F n = 0: 仂仆舒仆亳 : + F + e 仂舒亳 仆舒 90' n = 1: - 亠 仂舒亳 仆舒 -90' F+F-F-F+F n = 2: 从亳仂仄舒 : F F+F-F-F+F+F+F-F-F+F-F+F-F-F+F-F+F-F-F+F+F+F-F- 仂亰仆舒舒于舒 亟于亳亢亠仆亳亠 亳 F+F 亳于舒仆亠 仆舒仗亠亟 亠亟亳仆亳舒 舒亰仂礌亳亠 n = 3: 舒于亳仍仂 亰舒 亳亰于仂亟 : F+F-F-F+F+F+F-F-F+F-F+F-F-F+F-F+F-F-F+F+F+F-F- F+F+ F+F-F-F+F+F+F-F-F+F-F+F-F-F+F-F+F-F- (F F+FFF+F) F+F+F+F-F-F+F- F+F-F-F+F+F+F-F-F+F-F+F-F-F+F- F+F-F-F+F+F+F-F-F+F- F+F-F-F+F+F+F-F-F+F-F+F-F- F+F-F+F-F-F+F+F+F-F-F+F+ F+F-F-F+F+F+F-F-F+F- F+F-F-F+F-F+F-F-F+F+F+F-F-F+F
  • 13. 个仂仄舒仍仆仂 仂仗亳舒仆亳亠 仆舒 L-Systems 仗亳于舒 亠 亟于亳亢亠仆亳亠仂 仆舒 '从仂亠仆从舒舒' 于 N- 仄亠仆仂 仗仂舒仆于仂 (仆舒亶-亠仂 2D). 舒仗亳仄亠 于 亟于仄亠仆仂 仗仂舒仆于仂 仂礌亳亠仂 仆舒 从仂亠仆从舒舒 亠 仂仗亠亟亠仍 仂 仂亶从舒舒 (x, y, a), 从亟亠仂 (x, y) 舒 舒亠亰亳亠于亳 从仂仂亟亳仆舒亳, 舒 (a) 亠 亠从舒舒 仂亳亠仆舒亳 亳亟舒于舒 亠 从仂仆从亠亠仆 仄亳仍 仆舒 仆磻仂亳 亳仄于仂仍亳, 从仂亳仂 亠 舒亰仗亳于舒 仗仂- 从仆仂 仂 L-System 舒亟舒于舒 亠 从仂仆舒仆亳, 仆舒仗亳仄亠 仂仗亠亟亠仍亳 舒仆亟舒亠仆 亞仍 仆舒 亰舒于舒仆亠, 亟仍亢亳仆舒 仆舒 亳亰亳于舒仆舒舒 仂亠从舒 亳 .仆. 亰舒于亳亳仄仂 仂 于亳亟舒 仆舒 亳亠仄舒舒 仄仂亢亠 亟舒 弍亟亠 于于亠亟亠仆 亳 亳仄于仂仍 亰舒 亰舒仗舒亰于舒仆亠 仆舒 亠从a舒 仗仂亰亳亳 仆舒 '从仂亠仆从舒舒' 亳 仂于亠仆仂 于亰仄仂亢仆仂 亰舒 仗仂仍亠亟于舒仂 于亰舒仆仂于磦舒仆亠. 丐仂于舒 仗仂亰于仂仍磦舒 舒亰仗亳于舒仆亠 仆舒 舒亰从仍仂仆亠仆亳 舒亶仆亳 亠亰仍舒 亠 仄仂亢亠 亟舒 亳仄舒 亳 仄仆仂亢亠于仂 于仍仂亢亠仆亳 亳礌亳 舒于亳仍舒舒 亰舒 亳亰于仂亟 于 L-Systems 仄仂亞舒 亟舒 弍亟舒 亳 仂舒亳亠仆 舒舒从亠 仂亰于仂仍磦舒 亞亠亠亳舒仆亠 仆舒 亠亳亳 仂 仗仂亟仂弍仆亳 亠亰仍舒亳 于亠亢亟舒 亠仍亠仄亠仆 仆舒 仍舒亶仆仂 于 亠亟亳仆 亳 亠亰仍舒
  • 14. 个仂仄舒仍仆仂 仂仗亳舒仆亳亠 仆舒 L-Systems Angle={COUNT} : 亰舒亟舒于舒仆亠 仆舒 亞仍舒 亳亰仗仂仍亰于舒仆 仂 '+' and '-' 亟舒 亠 舒于亠仆 仆舒 360 / {COUNT} 亞舒亟舒 Axiom {COMMANDS} : 仆舒舒仍仆仂 仄仆仂亢亠于仂 仂 从仂仄舒仆亟亳 {COMMANDS} {COUNT}+ : 亰舒于仂亶 于仍磦仂 {COUNT} 仗亳. 从仂 {COUNT} 仍亳仗于舒 - 1 {COUNT}- : 亰舒于仂亶 于亟仆仂 {COUNT} 仗亳. 从仂 {COUNT} 仍亳仗于舒 - 1 | : 亰舒于仂亶 仆舒 180 亞舒亟舒 亳仍亳 仆舒 仆舒亶-亞仂仍亠仄亳 于亰仄仂亢亠仆 亰舒于仂亶 仗仂-仄舒仍从 仂 180 亞舒亟舒 f, d : 亳于舒仆亠 仆舒 仍亳仆亳 亳亰仗仂仍亰于亶舒从亳 亠从舒舒 仗仂仂从舒 亳 亟仍亢亳仆舒 g, m : 亟于亳亢亠仆亳亠 仆舒仗亠亟 于仄亠仂 亳于舒仆亠 {ANGLE} : 亰舒于仂亶 于仍磦仂 仆舒 {ANGLE} 亞舒亟舒 / {ANGLE} : 亰舒于仂亶 于亟仆仂 仆舒 {ANGLE} 亞舒亟舒 [ : 亰舒仗舒亰于舒仆亠 仆舒 仂礌亳亠仂 (仗仂亰亳亳, 亞仍, 舒亰仄亠 亳 .仆.) ] : 于亰舒仆仂于磦舒仆亠 仆舒 仂礌亳亠仂
  • 15. 个仂仄舒仍仆仂 仂仗亳舒仆亳亠 仆舒 L-System ! : 亳仆于亠亳舒仆亠 仄亳仍舒 仆舒 +, - 亳 亳 / @{SCALE} : 从舒仍亳舒仆亠 仆舒 亟舒亟亠仆舒舒 仍亳仆亳 {SCALE} 仗亳 @q{SCALE} : 舒从仍亳舒仆亠 仆舒 亠仗亠仆 从于舒亟舒亠仆 从仂亠仆 仂 {SCALE} @I{SCALE} : 从舒仍亳舒仆亠 1 / {SCALE} c{INDEX} : 亰舒亟舒于舒仆亠 仆舒 于亠仂于亳 亳仆亟亠从 {INDEX} <{COUNT} : 于亠仍亳舒于舒仆亠 仆舒 于亠仂于亳 亳仆亟亠从 {COUNT} >{COUNT} : 仆舒仄舒仍磦舒仆亠 仆舒 于亠仂于亳 亳仆亟亠从 {COUNT} {LETTER}={COMMANDS} : 舒仂亳亳舒仆亠 仆舒 {COMMANDS} 亳仄于仂仍舒 {LETTER}
  • 16. 亳于舒 仆舒 丱 从舒仂 L-system Koch1 { ; 舒亟舒仗舒亳 仆舒 Adrian Mariano ; 仂 从仆亳亞舒舒 The Fractal Geometry of Nature ; 仂 亠仆仂舒 舒亟亠仍弍仂 Angle 6 Axiom F--F--F F = F+F--F+F } 仗仂仍亠亟仂于舒亠仍仆亳 亞亠仆亠舒亳亳
  • 17. 仂亟亠仍亳 仆舒 舒亠仆亳 油 舒从亳仂仄舒: F油 油 仗舒于亳仍仂: F -> F[-F]F[+F][F] 1 2 3 4 5 Bush { ; Adrian Mariano Weed { Angle 16 Angle 50 Axiom ++++F Axiom +++++++++++++x F=FF-[-F+F+F]+[+F-F-F] x=f[@.5+++++++++x]-f[@.4-----------!x]@.6x } }
  • 18. 磻仂亳 仗仂仗仍仆亳 从亳于亳 仗亠亟舒于亠仆亳 L-Systems Hilbert curve 32-segment curve F -> -F+F-F-F+F+FF-F+F+FF+F-F-FF+FF-FF+F+F-FF-F-F+FF-F-F+F+F-F+ L -> +RF-LFL-FR+, R -> -LF+RFR+FL- Peano-Gosper curve Square curve X -> X+YF++YF-FXFXFX-YF+ Y -> -FX+YFYF++YF+FXFX-Y 60属 X -> XF-F+F-XF+F+XF-F+F-X
  • 19. Dragon Curve 3 1 2 4 X -> X+YF+ Y -> -FX-Y 5 6 8 7 9
  • 20. 亳亰舒仍亳亰舒亳 仆舒 L-Systems 弌 Context Free 亠 仗仂-仍仂亢仆仂 礆舒 于亰仄仂亢仆仂 亰舒 亳亰于仂亟 仗亳 舒亰仗亳于舒仆亠 仆舒 仗亳舒 亰亳于舒仆亠仂 舒于舒 仆舒 于磻舒 亳亠舒亳 仆舒 舒亰仗亳于舒仆亠 仆舒 仗舒于亳仍舒, 舒 仆亠 舒仄仂 于 仗仂仍亠亟仆亳 仗仂磲从 弌 Structure Synth 亠 于亰仄仂亢仆仂, 亰舒仂仂 亳仄舒 仄亠舒仆亳亰仄 亰舒 仂亞舒仆亳舒于舒仆亠 亟仍弍仂亳仆舒舒 仆舒 亳亰于仂亟舒 弌 仗仂仄仂舒 仆舒 FractInt 弌 仗仂仄仂舒 仆舒 Fractal Science Kit 仗亳舒仆舒舒 亳亠仄舒 亠 亳仗亳仆舒 亰舒 Fractal Science Kit 弍仂仗亳亠 亰舒仗亳, 从仂亶仂 亠 亳亰仗仂仍亰于舒 亳 仂 亟亞亳 仂亠仆亳 仗舒从亠亳 仆仂 仆舒 仂弍于亠仆 从亳仗
  • 21. 亳弍仍亳仂亞舒亳 http://mathworld.wolfram.com/TruchetTiling.html - 舒从舒 仆舒 丐亠 http://www.biologie.uni-hamburg.de/b-online/e28_3/lsys.html - 弍舒 亳仆仂仄舒亳 亰舒 L-Systems en.wikipedia.org/wiki/L-system 仂亠 亠亟仆仂 于于亠亟亠仆亳亠 亰舒 L-Systems http://www.nahee.com/spanky/www/fractint/lsys/tutor.html - 仄仂仆仂仂 从仂于仂亟于仂 亰舒 L-Systems 仄仆仂亢亠于仂 仗亳仄亠亳 http://algorithmicbotany.org/ - 亳亰舒仍仆亳 仄仂亟亠仍亳 亰舒 仄仂仂亞亠仆亠亰亳
  • 22. 弌仂亠 亰舒 L-Systems http://www.javaview.de/vgp/tutor/lsystem/PaLSystem.html - 仗仂 舒仗仍亠 亰舒 亠从仗亠亳仄亠仆亳 L-Systems (Java) http://web.mit.edu/~eric_r/Public/lsystems/ - 仗仂 舒仗仍亠 亰舒 弍亰仂 仄仂亟亠仍亳舒仆亠 仆舒 3D L-Systems (Java/Processing) http://mathworld.wolfram.com/LindenmayerSystem.html - 亠舒亶仍亳 亰舒 仆磻仂亳 仗仂仗仍仆亳 L-Systems http://www.generation5.org/content/2002/lse.asp - 仗仂仂 仗亳仍仂亢亠仆亳亠 亰舒 亳亰仍亠亟于舒仆亠 仆舒 L-Systems http://www.fractalsciencekit.com/ - Fractal Science Kit http://www.nahee.com/spanky/www/fractint/fractint.html - 仂亳亳舒仍亠仆 舒亶 仆舒 FractInt. 丐亠从舒 于亠亳 20.0