{"id":2539,"date":"2023-05-05T19:20:00","date_gmt":"2023-05-05T18:20:00","guid":{"rendered":"https:\/\/nicolas-lebrun.fr\/?post_type=project&p=2539"},"modified":"2026-04-04T19:23:14","modified_gmt":"2026-04-04T18:23:14","slug":"stacks-stacks-unstacked","status":"publish","type":"project","link":"https:\/\/nicolas-lebrun.fr\/fr\/project\/stacks-stacks-unstacked\/","title":{"rendered":"Stacks & Stacks unstacked"},"content":{"rendered":"

Stacks<\/em> et Stacks Unstacked<\/em> sont deux s\u00e9ries qui fonctionnent par \u00e9changes, le collectionneur qui co-cr\u00e9e une \u00e9dition de Stacks re\u00e7oit une autre en cadeau. Cette nouvelle \u00e9dition est g\u00e9n\u00e9r\u00e9e \u00e0 partir du visuel de la premi\u00e8re \u00e9dition, pour cela un programme qui trie les pixels par luminosit\u00e9 ou contraste est employ\u00e9 pour obtenir une version alternative de la premi\u00e8re \u0153uvre qu\u2019il vient de cr\u00e9er.<\/p>\n\n\n\n

Ce fonctionnement explore les modalit\u00e9s de l\u2019art g\u00e9n\u00e9ratif dans la blockchain, c\u2019est une exp\u00e9rimentation entre d\u2019une part des \u0153uvres configurables qui donnent lieu \u00e0 des \u00e9ditions disponibles instantan\u00e9ment et des \u0153uvres produites localement sur l\u2019ordinateur de l\u2019artiste pour \u00eatre renvoy\u00e9es, mise en ligne avec un certain d\u00e9lai (travail humain) sur le r\u00e9seau.<\/p>\n\n\n\n

S\u2019il s\u2019agit dans les deux cas d\u2019art algorithmique, de protocoles, les deux programmes et les \u00e9ditions qu\u2019ils g\u00e9n\u00e8rent n\u2019ont pas les m\u00eames propri\u00e9t\u00e9s. Le programme qui g\u00e9n\u00e8re les \u00e9ditions configurables est fig\u00e9, c\u2019est le m\u00eame protocole qui est appliqu\u00e9 pour co-cr\u00e9er les 100 \u00e9ditions, seul change les param\u00e8tres choisis par l\u2019utilisateur.<\/p>\n\n\n\n

Ce premier programme est tr\u00e8s simple, il empile des faces en les inclinant selon deux points de fuite, l\u2019utilisateur peut changer le nombre de piles, le nombre de plans qui la composent, la position des points de fuite et les couleurs utilis\u00e9es pour tracer la composition.<\/p>\n\n\n\n

Le deuxi\u00e8me programme \u00e9volue tout au long de la cr\u00e9ation, le code change en fonction des compositions cr\u00e9\u00e9es avec le premier protocole, l\u2019artiste se permet d’ajouter ou d\u2019enlever des conditions, de changer les diff\u00e9rents seuils qui lui permettent d\u2019ordonner les pixels des \u00e9ditions de Stacks<\/em>. Le g\u00e9n\u00e9rateur de Stacks Unstacked<\/em> contient une interface graphique (comme celui de Stacks<\/em>) qui permet aussi d\u2019affiner les r\u00e9glages utilis\u00e9s pour g\u00e9n\u00e9rer la version d\u00e9pil\u00e9e.<\/p>\n\n\n\n

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