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Course "Algorithmic Art & A.I." Remko
Scha
Toevalskunst
Om een schilderij te maken dat in mathematische
zin toevallig is, moet een verzameling van mogelijkheden expliciet
gedefinieerd worden, met een kansverdeling over deze mogelijkheden;
een individueel schilderij wordt dan gegenereerd door daaruit een
random keuze te maken. Ideeën in deze richting zijn voor het
eerst gelanceerd in het begin van de twintigste eeuw, door b.v. Hans
Arp, Lewis Carrol, Marcel Duchamp, en Tristan Tzara. De benadering
werd tot principe verheven in de jaren vijftig in Parijs, door Ellsworth
Kelly en François Morellet. In de zestiger jaren pasten
talrijke Europese kunstenaars dit principe toe: o.m. Mark
Boyle, Kenneth Martin, Manfred Mohr, Frieder Nake, Georg Nees, Michael
Noll, Peter Struycken, Zdenek Sykora, en herman de vries.
Citaten over toevalskunst.
Filosofische digressie: Bestaat mathematisch
toeval wel?
Je hebt toeval in soorten:
Feitelijke onvoorspelbaarheid met onbekende
en verwaarloosbaar kleine bias: Dobbelsteen. Thermische ruis. (Je
zou heel makkelijk thermische ruis kunnen gebruiken in DSP chips.
Gebeurt dat?)
Radio noise: random.org.
HotBits: radioactive
decay.
"Echt" toeval: Quantum-Mechanica.
Einstein-Podolsky-Rosen effect. (Video @ Victor Wentink)
Mathematische generatie van pseudo-random
getalsreeksen. Knuth.
Software
for John Cage by Andrew Culver.
Citaten over toeval.
Random Grids are
discussed on a separate page.
Object-distributies:
Malewitch, Kandinsky (computer-simulatie
in "Digital Mantras"), Miró (computer-simulatie),
Mondriaan (computer-simulatie Michael Noll),
De Vries.

herman de vries:
toevalsverdeling v 68-38, 1968.
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Rectangle distribution changes impredictably
in response to mouse movement. (Rectangles are redistributed and
background colour changes.) Reload the page to get a new random
set of coloured rectangles.
The random pattern is merely the
initial configuration for a Rubik-style game.
The game doesn't seem to work on Mac's.
"Waaaaaay back in 1984, I learned
to program in Basic from a book that came with our brand new IBM
PC. Like most basic programming books, it had you doing all sorts
of silly things. One of those was creating randomly placed and sized
boxes made from the ASCII block character. So, that's what this
is only with Javascript and DIVs."
Random 3-D stapeling:

herman de vries:
toevallige stapeling, 1973.
Chris Burden: Beam Drop (1984). Een public artwork, gecreëerd
door een hijskraan die een aantal stalen H-balken laat vallen in zacht
cement. Artpark in Lewiston, New York.
Mikado.
Lijn-distributie:
François Morellet,
Frieder Nake, Georg Nees, Manfred Mohr, Michael Noll, Herman de
Vries, Peter Struycken, Gerhard von Graevenitz, Zdenek Sykora, Kenneth
Martin, Benoit Mandelbrot.
herman de vries:
toevalsobjectivering v 66-59, 1966.
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herman de vries:
toevalsobjectivering v 66-60, 1966.
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Benoit B. Mandelbrot: Random Pattern of Streets.
Plate 105 (p.105) in: Fractals. Form, Chance
and Dimension.
San Francisco: W.H. Freeman, 1977.
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Zdenek Sykora:
Linienbild Nr. 3 "Hundert Linien", 1975.
150 cm x 150 cm.
Art Affairs, Amsterdam.
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Zdenek Sykora:
Linienbild Nr. 75, 1990.
200 cm x 200 cm
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(Bespreek ook: Leeuwenberg, Lindenmayer, Harold
Cohen.)
Von Graevenitz: toeval / kinetiek / "speel-objekten".
Bit-101 Laboratory:
02 jun 09
Path through random points.
Michael Noll
Herman de Vries
Bit-101
Laboratory: 01 oct 06, 02 oct 19
Maya
Paint Effects.
Brownse Beweging
A. Michael Noll
(Homepage); A. Michael
Noll (Digital Art Museum).
Benoît Mandelbrot.
Bit-101
Laboratory: 02 feb 01; 02 jun 02; 02 dec 02
Leonel Maura: Mourabots.
Fractale berglandschappen
Vlakverdeling:
Vlakverdelingen gegenereerd door cellulaire
automaten. B.v.: Herman de Vries, Leo Geurts & Lambert Meertens.
Zie: Cellular Automata.
Random Shapes:
F. Attneave and M.D. Arnoult: Twenty-four point random polygons.
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F. Attneave: "Stochastic Composition
Processes." Journal of Aesthetics and Art Criticism
17 (1959), pp. 183-193.
F. Attneave and M.D. Arnoult: "The Quantitative Study
of Shape and Pattern Perception." Psychological
Bulletin 53 (1956), pp. 452-471.
J.M. Vanderplas and E.A. Garvin: "The Association
Value of Random Shapes." Journal of Experimental
Psychology 57 (1959), pp. 147-154.
Paul C. Vitz and Arnold B. Glimcher: Modern Art and
Modern Science. The Parallel Analysis of Vision. New
York: Praeger, 1984, p.230.
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Bit-101
Laboratory: 02 mar 20; 02 apr 22/30; 02 may 03/12/23;
02 jul 30; 02 aug 11; 02 nov 18
Tim Burcham: Anima.
(<5k Flash animation, 2002.)
Superposition:
Ed Ho: Symbol,
2000.
Nurb: Online
Gallery, (<5k, 2001.)
Jared Tarbell: Bone.Piles,
2002; Meiotic.Clusters,
2002.
Fotografie:
Herman de Vries, Andreas Müller-Pohle.
Real world:
Mark Boyle.
Reductionisme in de muziek:
Serialisme (Messiaen, Stockhausen,
Boulez);
Aleatoriek (Cage (cf. course notes George
Brecht)).
Stochastische Systemen:
Formele Systemen + Toeval.
Stochastische Grammaticas.
B.v.: Markov-processen, Probabilistische Contextvrije Grammaticas,
DOP (Corpus-based STSGs).
Optimalisatie-algoritmes. B.v.:
Evolutieprocessen ("Genetic Algorithms").
Noise (puur toeval): werkt niet, omdat het perceptueel uniform
is, en dus equivalent aan het monochrome. Intuïtief tegendeel:
"L'Informe". (Bataille, Fautrier.) Moeilijk te realiseren.
Referenties Toeval
Jorge Luis Borges: The Lottery at Babylon.
Robert Musil: Dagboek-aantekeningen.
Luke Rhinehart: The Dice Man.
Gottfried Boehm:
"Zur Analyse eines künstlerischen Prolems bei F. Morellet."
In Exhibition Catalogue François Morellet, Nationalgalerie
Berlin, 1977. [In Reader 1992]
Kristin Brenneman:
Chance in Art, 1994.
John Cage: Extract from "A year from Monday". In: Jasia
Reichardt (ed.): Cybernetic Serendipity. The Computer and the
Arts. Special issue of Studio International, 1968. [In
Reader 1992]
John Cage and George Brecht: Variations III. 1963/1982. [In Reader
1992]
John Cage: "Experimental Music." (1957) In: Silence.
Lectures and Writings by John Cage. Middletown, Connecticut:
Wesleyan University Press, 1973, pp. 7 - 12. [In Reader 1993]
Michael Challinor: "Change, chance and structure: randomness and
formalism in art." Leonardo 4 (1971), pp. 1-11.
Marcel Duchamp: "Erratum Musical." In: Michel Sabouillet
and Elmer Peterson (eds.): The Essential Writings of Marcel Duchamp.
London: Thames and Hudson, 1975. [In Reader 1993][Cf. Ya-Ling Chen:
Erratum Musical, Tout-Fait, Vol. 1, nr. 1 (December 1999).]
Dick Higgins: Computers for the Arts. Somerville, Mass.:
Abyss Publications, 1968/1970. [Including "Hank and Mary"
by Dick Higgins, and "Proposition No. 2 for Emmett Williams"
by Alison Knowles.] [In Reader 1992]
François Morellet: "Pour une peinture expérimentale
programmée." (1962) In Exhibition Catalogue François
Morellet, Nationalgalerie Berlin, 1977. [In Reader 1992] Translation:
"For an experimental programmed painting." In Exhibition
Catalogue François Morellet, Nationalgalerie Berlin,
1977. [In Reader 1991]
François Morellet: "Du spectateur au spectateur ou l'art
de déballer son pique-nique." (1971) In Exhibition
Catalogue François Morellet, Nationalgalerie Berlin,
1977. [In Reader 1992] Translation: "From the spectator to
the spectator or the art of unpacking the picnic." In Exhibition
Catalogue François Morellet, Nationalgalerie Berlin,
1977. [In Reader 1991]
François Morellet: "Avertissement." (1972) In Exhibition
Catalogue François Morellet, Nationalgalerie Berlin,
1977. [In Reader 1992]
Mihai Nadin:
"Alea iacta est."
herman de vries: "Random Objectivations." In: Revue
Nul=0, 2 (1963), pp. 34-35. [Reprinted in: herman de vries,
Werken 1954 - 1980, Exhibition Catalogue Groninger Museum, 1980.]
[In Reader 1992]
Kevin Conroy: 5120
Random Numbers (<5k, 2002) (calls the JavaScript pseudo-random
number generator).
Manfred Mohr: Le Petit Livre de Nombres au Hasard. Paris,
1971, Édition d'artiste.
RAND Corporation:
A Million Random Digits with 100,000 Normal Deviates.
Glencoe, Illinois: The Free Press, 1955.
The RAND Corporation book was employed by Jackson Mac Low. (Cf.:
Stanzas for Iris Lezak, Millerton, NY: Something Else Press,
1972, p. 400.)
Links
Manfred Mohr
Waarschijnlijkheid en statistiek
Algorithmic
text generation
Acknowledgments
Leon Winkler pointed out the relevance of Mikado.
Some links were suggested by Jorn Baas, Danny van de Bersselaar,
Lotte Meijer and Gabrielle Rozing.
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