{"id":3603,"date":"2014-04-30T15:48:36","date_gmt":"2014-04-30T13:48:36","guid":{"rendered":"http:\/\/www.book.artbeeweb.nl\/?p=3603"},"modified":"2014-05-08T13:26:40","modified_gmt":"2014-05-08T11:26:40","slug":"whats-the-anisotropic-node-used-for","status":"publish","type":"post","link":"http:\/\/www.book.artbeeweb.nl\/?p=3603","title":{"rendered":"What\u2019s the Anisotropic node used for?"},"content":{"rendered":"<p>Nodes are the essential building blocks in the Advanced interface to the Poser Material Room. They are the graphical representation of mathematical function calls, that is: calculation procedures which turn parameters (inputs) to a result (output).<\/p>\n<p><strong>Intermediate<\/strong><\/p>\n<p>All nodes in the Specular group respond to specular light, which refers to specular light from direct (point- spot- infinite) sources only. The <a title=\"click for details\" href=\"\/?p=3597\">regular \u2018specular\u2019 node itself<\/a>, either separate or embedded in the PoserSurface definition directly is fast to calculate, but falls short for a neat illusion of about any real stuff except hard plastic.<\/p>\n<p>This is why Poser offers alternatives, like <a title=\"click for details\" href=\"\/?p=3599\">Blinn<\/a>. These specular effects make round highlights, similar in all directions. Iso-tropic (iso=same), so to say. <strong>An-isotropic<\/strong> (=non-iso-tropic) therefore introduces some directionality. This is meant for brushed metals, and for other materials with a microscopically \u2018grooved\u2019 surface, like brushed metals and the good old vinyl music disks.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.book.artbeeweb.nl\/wp-content\/gallery\/postpmra\/PMRA.46.01.jpg\" alt=\"\" width=\"800\"  \/><br \/>\nThe left pawn shows regular specularity, the right pawn shows anisotropic.<\/p>\n<p>In the parameters, we recognized the <strong>Color<\/strong>, <strong>Value<\/strong> and <strong>Highlight<\/strong> size and in the regular <strong>Specular<\/strong> setup, and those do mean the same thing. The highlight size however is distinguished for U and V direction, that\u2019s relative to the object surface layout.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.book.artbeeweb.nl\/wp-content\/gallery\/postpmra\/PMRA.46.02.jpg\" alt=\"\"   \/><br \/>\nThe node also offers the possibility to distinguish for X, Y, Z directions but up till now different values have not produced different results.<\/p>\n<p style=\"text-align: right;\"><a href=\"\/?p=3605\">Next &gt;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nodes are the essential building blocks in the Advanced interface to the Poser Material Room. They are the graphical representation of mathematical function calls, that is: calculation procedures which turn parameters (inputs) to a result (output). Intermediate All nodes in the Specular group respond to specular light, which refers to specular light from direct (point- &hellip; <a href=\"http:\/\/www.book.artbeeweb.nl\/?p=3603\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;What\u2019s the Anisotropic node used for?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[5],"tags":[145,133],"series":[127],"class_list":["post-3603","post","type-post","status-publish","format-standard","hentry","category-poser","tag-material-room","tag-poser","series-matroom-intermediate"],"_links":{"self":[{"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=\/wp\/v2\/posts\/3603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3603"}],"version-history":[{"count":4,"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=\/wp\/v2\/posts\/3603\/revisions"}],"predecessor-version":[{"id":4278,"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=\/wp\/v2\/posts\/3603\/revisions\/4278"}],"wp:attachment":[{"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3603"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3603"},{"taxonomy":"series","embeddable":true,"href":"http:\/\/www.book.artbeeweb.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=3603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}