{"id":6488,"date":"2017-02-04T16:29:47","date_gmt":"2017-02-04T15:29:47","guid":{"rendered":"http:\/\/www.proantic.com\/magazine\/?p=6488"},"modified":"2017-02-05T17:41:43","modified_gmt":"2017-02-05T16:41:43","slug":"lithophanie-jeu-dombres-de-lumieres","status":"publish","type":"post","link":"https:\/\/www.proantic.com\/magazine\/lithophanie-jeu-dombres-de-lumieres\/","title":{"rendered":"La lithophanie: un jeu d\u2019ombres et de lumi\u00e8res"},"content":{"rendered":"

Une lithophanie<\/b> est une \u0153uvre grav\u00e9e ou moul\u00e9e en porcelaine tr\u00e8s fine et translucide qui ne peut \u00eatre vu clairement que r\u00e9tro-\u00e9clair\u00e9e par une source de lumi\u00e8re. Il s’agit d’une repr\u00e9sentation ou une sc\u00e8ne en intaille qui appara\u00eet \u00ab\u00a0en grisaille<\/i>\u00a0\u00bb (en niveau de gris).<\/p>\n

<\/a>
Plaque de veilleuse, Lithophanie en biscuit, XIX \u00e8me.
(c) Le Grenier d’Augustine, proantic<\/figcaption><\/figure>\n

Une lithophanie pr\u00e9sente une image en trois dimensions – compl\u00e8tement diff\u00e9rentes des gravures en deux dimensions et des daguerr\u00e9otypes\u00a0qui sont \u00ab\u00a0\u00e0 plat\u00a0\u00bb. Les images modifient leurs caract\u00e9ristiques en fonction de la source lumineuse derri\u00e8re eux. \u00a0Le d\u00e9cor s\u2019anime en transparence par un jeu savant d\u2019ombres et de lumi\u00e8res cr\u00e9\u00e9 par la flamme de la bougie laissant appara\u00eetre une pr\u00e9cision du d\u00e9tail et de perspective \u00e9tonnante.<\/p>\n

<\/a>
Paire de lithophanies biscuit, vers 1900-1910.
(c) La Cr\u00e9dence, proantic<\/figcaption><\/figure>\n

Les sc\u00e8nes du panneau d’une lithophanie fix\u00e9e \u00e0 une fen\u00eatre changent tout au long de la journ\u00e9e, selon la quantit\u00e9 de lumi\u00e8re du soleil. La source de lumi\u00e8re variable est ce qui rend les lithophanies plus int\u00e9ressantes pour l’observateur que les images en deux dimensions.<\/p>\n

Historique<\/strong><\/p>\n

Si l’origine de la lithophanie est sans doute la manufacture royale de Prusse, c\u2019est \u00e0 Limoges que Paul de Bourgoing invente en 1828 la lithophanie, technique traditionnelle de gravure sur un fin biscuit de porcelaine non \u00e9maill\u00e9e.<\/p>\n

<\/a>
Lampe Veilleuse, lithophanie.
Krautheim, Allemagne.
(c) Le Grenier d’Augustine, Proantic<\/figcaption><\/figure>\n

Technique<\/strong><\/p>\n

L’ex\u00e9cution fait appel \u00e0 l’estampage d’une cro\u00fbte dans un moule en deux demi-coquilles dont chacune porte le model\u00e9 d’une face de l’objet . Ce moule est fabriqu\u00e9 dans une matrice model\u00e9e\u00a0en cire translucide , au moyen d’\u00e9bauchoirs de sculpteur selon une m\u00e9thode proche de celle des sculpteurs m\u00e9daillistes.\u00a0Les parties les plus ombr\u00e9es sont repr\u00e9sent\u00e9es par la couche de cire la plus \u00e9paisse, les plus claires le sont par une couche tr\u00e8s mince.<\/p>\n","protected":false},"excerpt":{"rendered":"

Une lithophanie est une \u0153uvre grav\u00e9e ou moul\u00e9e en porcelaine tr\u00e8s fine et translucide qui ne peut \u00eatre vu clairement que r\u00e9tro-\u00e9clair\u00e9e par une source de lumi\u00e8re. Il s’agit d’une repr\u00e9sentation ou une sc\u00e8ne en intaille qui appara\u00eet \u00ab\u00a0en grisaille\u00a0\u00bb (en niveau de gris). Une lithophanie pr\u00e9sente une image en trois dimensions – compl\u00e8tement diff\u00e9rentes […]<\/p>\n","protected":false},"author":6,"featured_media":6501,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[180],"tags":[],"class_list":["post-6488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arts-decoratifs-proantic"],"yoast_head":"\nLa lithophanie: un jeu 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