{"id":36871,"date":"2015-01-19T22:47:27","date_gmt":"2015-01-19T22:47:27","guid":{"rendered":"http:\/\/www.labri.fr\/perso\/barla\/blog\/?p=36871"},"modified":"2015-02-23T12:50:38","modified_gmt":"2015-02-23T12:50:38","slug":"s-brdf-aftermaths","status":"publish","type":"post","link":"https:\/\/www.labri.fr\/perso\/barla\/blog\/?p=36871","title":{"rendered":"S-BRDF aftermaths"},"content":{"rendered":"<p id=\"top\" \/>\n<h3>Post deadline<\/h3>\n<div lang=\"x-unicode\">\n<div dir=\"ltr\">\n<ul>\n<li>Tr\u00e8s important : Utiliser meilleur bruit ; Low-Pass CDF ; 50% IS et 50% UniformSampling ; Nombre de sample \/ alpha<\/li>\n<li>Tests interessants : Pitted materials ; Profile avec bordures ; Dessin dans l&#8217;espace de BRDF ; EG + scratch BRDF<\/li>\n<li>Recherche : IS sur profil (view dependant curvature IS); BTF (visu par BTF actuelle, BRDF stack) ; Utiliser scratch profile comme degr\u00e9 de libert\u00e9 pour EG ; Alpha Procedural<\/li>\n<li>Avec Laurent :\u00a0 Analyse du ground truth (virtual gonio); BRDF analytic ; Micro BRDF (d\u00e9saturation) ; Global Illumination avec footprint<\/li>\n<li>Am\u00e9liorations rapide possible :\u00a0 Layer culling (point light uniquement) ;\u00a0 Meilleurs patterns proc\u00e9duraux ; Stencil tool (pratchyl)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h3>Pre-deadline<\/h3>\n<ul>\n<li>Improve profile library with parabolic profiles; add profile borders, and take spacing into account either with half profiles (and assume plane toward infinity) or by accounting for inter-reflections between borders; extend to pitted surfaces taking inspiration from [Pont and Koenderink]<\/li>\n<li>Augment pattern complexity by allowing for control textures of distribution parameters (mainly scratch widths, but also maybe IOR); add fade in\/out for scratches ends; find a smart way to deal with layered distributions (pick one direction per light direction?); break the parallelism restriction by using a direction texture in conjunction with the alpha texture (arbitrary patterns).<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Post deadline Tr\u00e8s important : Utiliser meilleur bruit ; Low-Pass CDF ; 50% IS et 50% UniformSampling ; Nombre de sample \/ alpha Tests interessants : Pitted materials ; Profile avec bordures ; Dessin dans l&#8217;espace de BRDF ; EG + scratch BRDF Recherche : IS sur profil (view dependant curvature IS); BTF (visu par &#8230; <a title=\"S-BRDF aftermaths\" class=\"read-more\" href=\"https:\/\/www.labri.fr\/perso\/barla\/blog\/?p=36871\" aria-label=\"Read more about S-BRDF aftermaths\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[641],"tags":[],"class_list":["post-36871","post","type-post","status-publish","format-standard","hentry","category-tech"],"_links":{"self":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts\/36871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=36871"}],"version-history":[{"count":4,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts\/36871\/revisions"}],"predecessor-version":[{"id":36941,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts\/36871\/revisions\/36941"}],"wp:attachment":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=36871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=36871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=36871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}