{"id":3516,"date":"2020-07-09T06:16:57","date_gmt":"2020-07-09T06:16:57","guid":{"rendered":"https:\/\/bssrdf.com\/?post_type=manual_documentation&#038;p=3516"},"modified":"2021-01-05T19:18:05","modified_gmt":"2021-01-05T18:18:05","slug":"roughness-parameter","status":"publish","type":"manual_documentation","link":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/","title":{"rendered":"Roughness Parameter"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">On this page<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a30137390178\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ffffff;color:#ffffff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ffffff;color:#ffffff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a30137390178\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/#Samples\" >Samples<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/#Roughness_Texture\" >Roughness Texture<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/#Quick_Tip\" >Quick Tip<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>The&nbsp;<em>Roughness<\/em>&nbsp;parameter is another setting that will be found on multiple material types in KeyShot.<\/p>\n\n\n\n<p>This is a slider that will add microscopic levels of imperfections to surfaces to create rough materials. The diagram that explains the&nbsp;<a href=\"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/diffuse-parameter\/\" data-type=\"manual_documentation\" data-id=\"3506\">Diffuse parameter<\/a>&nbsp;can also help explain why materials appear rough. When roughness is added, light rays are scattered across the surface which causes specular reflections to break up. Due to the additional light scattering, rough materials are more challenging and take more processing power to render than perfectly reflective surfaces.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"RoughnessParameter-Samples\"><span class=\"ez-toc-section\" id=\"Samples\"><\/span>Samples<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Since glossy materials with some roughness are more complex to render, KeyShot has a setting built in that can improve the accuracy of these rough materials. This setting is called&nbsp;<em>Samples<\/em>. This allows you to set how many rays are emitted from a pixel in a rendered image. Each ray collects information from its surrounding environment and returns this information back to the pixel to determine the final appearance. You will see the&nbsp;<em>Samples<\/em>&nbsp;slider when you click the expand arrow next to the&nbsp;<em>Roughness<\/em>&nbsp;slider.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"426\" height=\"542\" src=\"https:\/\/manual.keyshot.com\/keyshot11\/wp-content\/uploads\/sites\/6\/2020\/07\/Roughness-Parameter.jpg\" alt=\"\" class=\"wp-image-3517\" srcset=\"https:\/\/manual.keyshot.com\/keyshot11\/wp-content\/uploads\/sites\/6\/2020\/07\/Roughness-Parameter.jpg 426w, https:\/\/manual.keyshot.com\/keyshot11\/wp-content\/uploads\/sites\/6\/2020\/07\/Roughness-Parameter-236x300.jpg 236w\" sizes=\"auto, (max-width: 426px) 100vw, 426px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-columns gb-layout-columns-1 one-column\"><div class=\"gb-layout-column-wrap gb-block-layout-column-gap-2 gb-is-responsive-column\">\n<div class=\"wp-block-genesis-blocks-gb-column info-box gb-block-layout-column\"><div class=\"gb-block-layout-column-inner has-pale-cyan-blue-background-color\">\n<h6 class=\"wp-block-heading\">Note<\/h6>\n\n\n\n<p>Interior Mode uses a different and more intelligent approach to samples than the one Product mode uses. The improved approach means that customization of&nbsp;<em>Samples<\/em>&nbsp;only has effect in Product Mode as it is not necessary in Interior Mode.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"RoughnessParameter-RoughnessTexture\"><span class=\"ez-toc-section\" id=\"Roughness_Texture\"><\/span>Roughness Texture<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>If the Roughness parameter has a checkered box\u00a0<img loading=\"lazy\" decoding=\"async\" width=\"32\" height=\"32\" class=\"wp-image-3224\" style=\"width: 16px\" src=\"https:\/\/manual.keyshot.com\/keyshot11\/wp-content\/uploads\/sites\/6\/2020\/07\/library_textures_icon.png\" alt=\"\">\u00a0next to it, this means a texture can be applied to control the glossy appearance of the surface. When a texture is applied, dark areas of the texture will have a glossy appearance and white areas of the texture will have a matte appearance.<\/p>\n\n\n\n<p>Read more on the difference between Roughness Textures and Bump Maps&nbsp;<a href=\"https:\/\/manual.keyshot.com\/keyshot11\/2016\/difference-keyshot-roughness-bump-textures\/\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_Tip\"><\/span>Quick Tip<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"KeyShot Quick Tip: Roughness Textures\" width=\"700\" height=\"394\" src=\"https:\/\/www.youtube.com\/embed\/VJrFx1Fk0XQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"author":29916,"featured_media":0,"parent":3491,"menu_order":4,"template":"","manualdocumentationcategory":[13],"manual_doc_tag":[],"class_list":["post-3516","manual_documentation","type-manual_documentation","status-publish","hentry","manualdocumentationcategory-keyshot"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Roughness Parameter - KeyShot 11 Manual<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Roughness Parameter - KeyShot 11 Manual\" \/>\n<meta property=\"og:description\" content=\"The&nbsp;Roughness&nbsp;parameter is another setting that will be found on multiple material types in KeyShot. This is a slider that will add microscopic levels of imperfections to surfaces to create rough materials. The diagram that explains the&nbsp;Diffuse parameter&nbsp;can also help explain why materials appear rough. When roughness is added, light rays are scattered across the surface [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/\" \/>\n<meta property=\"og:site_name\" content=\"KeyShot 11 Manual\" \/>\n<meta property=\"article:modified_time\" content=\"2021-01-05T18:18:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/manual.keyshot.com\/keyshot11\/wp-content\/uploads\/sites\/6\/2020\/07\/Roughness-Parameter.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/general-parameters\\\/roughness-parameter\\\/\",\"url\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/general-parameters\\\/roughness-parameter\\\/\",\"name\":\"Roughness Parameter - KeyShot 11 Manual\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/general-parameters\\\/roughness-parameter\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/general-parameters\\\/roughness-parameter\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/wp-content\\\/uploads\\\/sites\\\/6\\\/2020\\\/07\\\/Roughness-Parameter.jpg\",\"datePublished\":\"2020-07-09T06:16:57+00:00\",\"dateModified\":\"2021-01-05T18:18:05+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/general-parameters\\\/roughness-parameter\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/general-parameters\\\/roughness-parameter\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/general-parameters\\\/roughness-parameter\\\/#primaryimage\",\"url\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/wp-content\\\/uploads\\\/sites\\\/6\\\/2020\\\/07\\\/Roughness-Parameter.jpg\",\"contentUrl\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/wp-content\\\/uploads\\\/sites\\\/6\\\/2020\\\/07\\\/Roughness-Parameter.jpg\",\"width\":426,\"height\":542},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/general-parameters\\\/roughness-parameter\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Materials\",\"item\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"General Parameters\",\"item\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/manual\\\/materials\\\/general-parameters\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Roughness Parameter\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/#website\",\"url\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/\",\"name\":\"KeyShot 11 Manual\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/manual.keyshot.com\\\/keyshot11\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Roughness Parameter - KeyShot 11 Manual","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/","og_locale":"en_US","og_type":"article","og_title":"Roughness Parameter - KeyShot 11 Manual","og_description":"The&nbsp;Roughness&nbsp;parameter is another setting that will be found on multiple material types in KeyShot. This is a slider that will add microscopic levels of imperfections to surfaces to create rough materials. The diagram that explains the&nbsp;Diffuse parameter&nbsp;can also help explain why materials appear rough. When roughness is added, light rays are scattered across the surface [&hellip;]","og_url":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/","og_site_name":"KeyShot 11 Manual","article_modified_time":"2021-01-05T18:18:05+00:00","og_image":[{"url":"https:\/\/manual.keyshot.com\/keyshot11\/wp-content\/uploads\/sites\/6\/2020\/07\/Roughness-Parameter.jpg","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/","url":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/","name":"Roughness Parameter - KeyShot 11 Manual","isPartOf":{"@id":"https:\/\/manual.keyshot.com\/keyshot11\/#website"},"primaryImageOfPage":{"@id":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/#primaryimage"},"image":{"@id":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/#primaryimage"},"thumbnailUrl":"https:\/\/manual.keyshot.com\/keyshot11\/wp-content\/uploads\/sites\/6\/2020\/07\/Roughness-Parameter.jpg","datePublished":"2020-07-09T06:16:57+00:00","dateModified":"2021-01-05T18:18:05+00:00","breadcrumb":{"@id":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/#primaryimage","url":"https:\/\/manual.keyshot.com\/keyshot11\/wp-content\/uploads\/sites\/6\/2020\/07\/Roughness-Parameter.jpg","contentUrl":"https:\/\/manual.keyshot.com\/keyshot11\/wp-content\/uploads\/sites\/6\/2020\/07\/Roughness-Parameter.jpg","width":426,"height":542},{"@type":"BreadcrumbList","@id":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/roughness-parameter\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/manual.keyshot.com\/keyshot11\/"},{"@type":"ListItem","position":2,"name":"Materials","item":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/"},{"@type":"ListItem","position":3,"name":"General Parameters","item":"https:\/\/manual.keyshot.com\/keyshot11\/manual\/materials\/general-parameters\/"},{"@type":"ListItem","position":4,"name":"Roughness Parameter"}]},{"@type":"WebSite","@id":"https:\/\/manual.keyshot.com\/keyshot11\/#website","url":"https:\/\/manual.keyshot.com\/keyshot11\/","name":"KeyShot 11 Manual","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/manual.keyshot.com\/keyshot11\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/manual.keyshot.com\/keyshot11\/wp-json\/wp\/v2\/manual_documentation\/3516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/manual.keyshot.com\/keyshot11\/wp-json\/wp\/v2\/manual_documentation"}],"about":[{"href":"https:\/\/manual.keyshot.com\/keyshot11\/wp-json\/wp\/v2\/types\/manual_documentation"}],"author":[{"embeddable":true,"href":"https:\/\/manual.keyshot.com\/keyshot11\/wp-json\/wp\/v2\/users\/29916"}],"version-history":[{"count":0,"href":"https:\/\/manual.keyshot.com\/keyshot11\/wp-json\/wp\/v2\/manual_documentation\/3516\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/manual.keyshot.com\/keyshot11\/wp-json\/wp\/v2\/manual_documentation\/3491"}],"wp:attachment":[{"href":"https:\/\/manual.keyshot.com\/keyshot11\/wp-json\/wp\/v2\/media?parent=3516"}],"wp:term":[{"taxonomy":"manualdocumentationcategory","embeddable":true,"href":"https:\/\/manual.keyshot.com\/keyshot11\/wp-json\/wp\/v2\/manualdocumentationcategory?post=3516"},{"taxonomy":"manual_doc_tag","embeddable":true,"href":"https:\/\/manual.keyshot.com\/keyshot11\/wp-json\/wp\/v2\/manual_doc_tag?post=3516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}