{"id":1817,"date":"2013-03-05T20:35:09","date_gmt":"2013-03-05T18:35:09","guid":{"rendered":"http:\/\/www.espacegraphique.com\/blog\/?p=1817"},"modified":"2013-12-18T23:59:18","modified_gmt":"2013-12-18T21:59:18","slug":"la-spirale-du-nautilus-macromphalus","status":"publish","type":"post","link":"https:\/\/www.espacegraphique.com\/blog\/photos\/la-spirale-du-nautilus-macromphalus-1817","title":{"rendered":"La spirale du Nautilus macromphalus"},"content":{"rendered":"<p><strong>Ce dessin a \u00e9t\u00e9 r\u00e9alis\u00e9 pour illustrer la <a href=\"https:\/\/www.espacegraphique.com\/graphique\/fibonacci.php\">suite de Fibonacci<\/a> et notamment la construction d&rsquo;une spirale.<\/strong><\/p>\n<p>C&rsquo;est un vieux projet qui est rest\u00e9 en suspens car je manquais de documentation.<\/p>\n<p>En visitant le Jardin des plantes \u00e0 Paris et notamment les galeries d&rsquo;anatomie compar\u00e9e et de pal\u00e9ontologie, je me suis retrouv\u00e9 face \u00e0 un exemplaire de <strong><em>Nautilus macromphalus<\/em> (Sowerby)<\/strong>. Une esp\u00e8ce de nautile originaire de l&rsquo;Oc\u00e9an Pacifique. C&rsquo;est moins impressionnant que les dinosaures que l&rsquo;on voit en contrebas, mais on se rattache toujours un peu \u00e0 ce que l&rsquo;on connait quand on fait une visite.<\/p>\n<p>Apr\u00e8s avoir r\u00e9alis\u00e9 une photo et repris le dessin au crayon, je suis ensuite pass\u00e9 \u00e0 la palette graphique pour les couleurs.<\/p>\n<p>A l&rsquo;heure d&rsquo;Internet, voir en vrai le squelette d&rsquo;animaux communs ou disparus est un privil\u00e8ge car on peut tourner autour ou s&rsquo;approcher. C&rsquo;est simplement essentiel quand on veut dessiner ou comprendre un objet, son fonctionnement, sa mati\u00e8re.<\/p>\n<p>Merci \u00e0 Claire et son blog pour sa description du <a href=\"http:\/\/clairebrucy.free.fr\/?p=1573\">nautile<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ce dessin a \u00e9t\u00e9 r\u00e9alis\u00e9 pour illustrer la suite de Fibonacci et notamment la construction d&rsquo;une spirale.<\/p>\n","protected":false},"author":1,"featured_media":1818,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[7,174,61,216],"class_list":["post-1817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-photos","tag-crayon","tag-graphique","tag-illustration","tag-spirale"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Ce dessin a \u00e9t\u00e9 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