{"id":503,"date":"2012-01-02T14:04:46","date_gmt":"2012-01-02T14:04:46","guid":{"rendered":"http:\/\/www.visionlarge.ch\/Blog\/?p=503"},"modified":"2025-11-17T21:29:16","modified_gmt":"2025-11-17T20:29:16","slug":"enlever-certaines-parties-grace-a-la-couche-alpha-complement-partie-3","status":"publish","type":"post","link":"https:\/\/www.visionlarge.ch\/Blog\/enlever-certaines-parties-grace-a-la-couche-alpha-complement-partie-3\/","title":{"rendered":"Enlever certaines parties gr\u00e2ce \u00e0 la couche alpha . Compl\u00e9ment partie 3."},"content":{"rendered":"\n

Enlever certaine partie gr\u00e2ce \u00e0 la couche alpha.<\/strong><\/h2>\n\n\n\n

Certaines parties de nos images, nous emb\u00eatent lors du montage de notre panoramique. La couche alpha est notre sauveur!<\/p>\n\n\n\n

Elle permet simplement de rendre cette partie transparente. On va donc pouvoir utiliser l’image qui se trouve en dessous au travers de la couche alpha et faire dispara\u00eetre les parties non d\u00e9sir\u00e9es.<\/p>\n\n\n\n

Pour cr\u00e9er ses couches alpha, il suffit de prendre le logiciel Gimp ou Photoshop.<\/p>\n\n\n\n

Aller dans le menu fen\u00eatre<\/strong>, puis couches<\/strong>. Puis cliquez sur le petit ic\u00f4ne<\/strong> d’un papier avec le bord relev\u00e9 \u00ab\u00a0cr\u00e9er une couche\u00a0\u00bb <\/strong>comme sur l’image suivante.<\/p>\n\n\n

\n
\"couche<\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

Une nouvelle couche appara\u00eet sous les autres couches. Double cliquer sur cette couche pour pouvoir la configurer.<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

Regardez bien que ce soit identique.<\/p>\n\n\n\n

Zone s\u00e9lectionn\u00e9es \/ rouge \/ opacit\u00e9 = 100%<\/strong><\/p>\n\n\n

\n
\"couche<\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

Une fois fait \u00ab\u00a0ok\u00a0\u00bb, allez sur l’ic\u00f4ne du pinceau et cliquez.<\/p>\n\n\n

\n
\"couche<\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

en \u00e9tant sur que la couche s\u00e9lectionn\u00e9e est bien la bonne, venez peindre la partie que vous d\u00e9sirez cacher, comme ici en bas de l’image. C’\u00e9tait la t\u00eate panoramique!<\/p>\n\n\n

\n
\"couche<\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

Une fois termin\u00e9, il suffit simplement de sauver votre image en tiff pour que la couche soit sauv\u00e9e.<\/p>\n\n\n

\n
\"couche<\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

Et voil\u00e0! Faites de m\u00eame avec les autres images! et passez tout cela dans votre programme d’assemblage pr\u00e9f\u00e9r\u00e9!<\/p>\n\n\n\n

Nous vous inqui\u00e9tez pas si vos images ont les couches alphas blanches dans Autopano… c’est normal \ud83d\ude09<\/p>\n","protected":false},"excerpt":{"rendered":"

Enlever certaine partie gr\u00e2ce \u00e0 la couche alpha. Certaines parties de nos images, nous emb\u00eatent lors du montage de notre panoramique. La couche alpha est notre sauveur! Elle permet simplement de rendre cette partie transparente. On va donc pouvoir utiliser l’image qui se trouve en dessous au travers de la…<\/p>\n

La suite? C'est par l\u00e0!Enlever certaines parties gr\u00e2ce \u00e0 la couche alpha . Compl\u00e9ment partie 3.<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":122,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-503","post","type-post","status-publish","format-standard","hentry","category-tutos","excerpt","zoom","full-without-featured","even","excerpt-0"],"yoast_head":"\nEnlever certaines parties gr\u00e2ce \u00e0 la couche alpha<\/title>\n<meta name=\"description\" content=\"Compl\u00e9ment de la formation, faire et comprendre le panorama sph\u00e9rique. Ici, nous traiterons de la couche alpha. 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