{"id":1709,"date":"2019-08-20T12:20:42","date_gmt":"2019-08-20T11:20:42","guid":{"rendered":"https:\/\/www.katsbits.com\/codex\/?p=1709"},"modified":"2023-09-07T15:54:56","modified_gmt":"2023-09-07T14:54:56","slug":"split","status":"publish","type":"post","link":"https:\/\/www.katsbits.com\/codex\/split\/","title":{"rendered":"Split (selection)"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69fe447e341ec\" 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: #999;color:#999\" 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: #999;color:#999\" 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-69fe447e341ec\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.katsbits.com\/codex\/split\/#split-selection\" >Split Selection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.katsbits.com\/codex\/split\/#split-and-smoothing\" >Split and Smoothing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.katsbits.com\/codex\/split\/#video\" >Video<\/a><\/li><\/ul><\/nav><\/div>\n<p>For newer versions of Blender, <b>Split<\/b>, the ability to separate elements whilst maintaining their local relationship, is now a &#8216;mesh&#8217; function and has been moved from the Vertex menu to the <b>Mesh<\/b> menu when <b>Edit Mode<\/b> is active (whilst editing a mesh object) &#8211; Split is essentially no longer specifically associated with breaking vertices.<\/p>\n<blockquote><p><b>Design note<\/b>: although similar <b>Split<\/b> differs from <a href=\"https:\/\/www.katsbits.com\/codex\/separate\/\"><b>Separate<\/b><\/a>, which would detach the same selection into a completely independent and editable object (would require specific selection before being edited).<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/split-moved.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/split-moved.jpg\" alt=\"Split selection in Blender\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>A <b>Split<\/b> (and for clarity) moved selection in Blender &#8211; split elements remain part of the object from which they are split and continue to be editable as part of the larger whole.<\/i><\/p>\n<h3><span class=\"ez-toc-section\" id=\"split-selection\"><\/span>Split Selection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Being selection based, <b>Split<\/b> is a function of <b>Edit Mode<\/b> (<span class=\"shortcutkey\">Tab<\/span>) so breaking something from adjoining elements requires a selection be made as a single or group of vertices, edges, faces or combination therein (in Vertex, Edge or Face selection mode). Once this is done, in the <b>3D View<\/b> click <b>Mesh<\/b> then <b>Split<\/b> &#8211; <i><b>Mesh \u00bb Split<\/b><\/i> &#8211; or press <span class=\"shortcutkey\">Y<\/span> to immediately affect the mesh.<\/p>\n<blockquote><p><b>Design note<\/b>: using the shortcut key in this instance immediately splits the mesh rather than opening a quick access menu as other operations might do.<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/mesh-split.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/mesh-split.jpg\" alt=\"In Edit mode Split is found in the Mesh menu\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/split-mesh.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/split-mesh.jpg\" alt=\"In Edit mode Split is found in the Mesh menu\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Once a selection has been made in <strong>Edit Mode<\/strong>, to break it apart from neighbouring surfaces\/elements click <b>Mesh \u00bb Split<\/b> &#8211; depending on the mesh this may change the way it appears (see below).<\/i><\/p>\n<h3><span class=\"ez-toc-section\" id=\"split-and-smoothing\"><\/span>Split and Smoothing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Depending on the appearance of the mesh, once a selection has been split it may change the way the object shades in response to lighting (the scenes default 3-point system or manually placed lighting) because splitting surfaces in this way breaks surface continuity, a cube with a single split face would then have <i>two shading groups<\/i>, the original assigned to the overall (whole) object, and another attributed to the split selection. As a consequence of this behaviour <b>Split<\/b> can be used as a way to forcibly control <b>Smooth Shading<\/b> (smoothing groups) which might be otherwise ignored.<\/p>\n<blockquote><p><b>Design note<\/b>: ordinarily Smoothing would be controlled using an <b>Edge Split<\/b> modifier or <b>Auto Smooth<\/b> (both in combination with edges being marked Sharp), but there are some circumstances where it has to be forced, for example to ensure edges are split when exported for game engine use.<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/smoothing-soft-edge.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/smoothing-soft-edge.jpg\" alt=\"A single Smooth group assigned to an object\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>The default cube object with <b>Shade Smooth<\/b> (smooth shading) assigned which makes the mesh shade relative to there being no hard edges&#8230;<\/i><\/p>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/smoothing-hard-edge.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/smoothing-hard-edge.jpg\" alt=\"Split causes hard edges in Smoothing\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>&#8230; but when a surface or edge is <b>Split<\/b>, it forces the Smoothing to change because surfaces are no longer contiguous (continuous), resulting in the appearance of a hard edge or break in the mesh.<\/i><\/p>\n<h3><span class=\"ez-toc-section\" id=\"video\"><\/span>Video<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><video poster=\"\" controls=\"controls\" width=\"100%\" height=\"auto\"><!--<source src=\"\/images\/tutorials\/viewpoint-navigation.mp4\" type=\"video\/mp4\" \/>--><source src=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/split-selection.ogg\" type=\"video\/ogg\" \/><source src=\"https:\/\/www.katsbits.com\/images\/tutorials\/split\/split-selection.webm\" type=\"video\/webm\" \/><\/video><br \/>\n<i>Splitting a selection using <b>Mesh \u00bb Split<\/b>.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1749,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,230],"tags":[119,346,427,557,556,105,104,555],"class_list":["post-1709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blender","category-tutorials","tag-edge-split","tag-edit-mode","tag-selection","tag-shade-flat","tag-shade-smooth","tag-smooth-groups","tag-smoothing","tag-split-mesh"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/1709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/comments?post=1709"}],"version-history":[{"count":5,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/1709\/revisions"}],"predecessor-version":[{"id":5143,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/1709\/revisions\/5143"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/media\/1749"}],"wp:attachment":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/media?parent=1709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/categories?post=1709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/tags?post=1709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}