{"id":823,"date":"2018-11-11T03:12:22","date_gmt":"2018-11-11T03:12:22","guid":{"rendered":"https:\/\/www.katsbits.com\/codex\/?p=823"},"modified":"2024-12-02T18:15:42","modified_gmt":"2024-12-02T18:15:42","slug":"units","status":"publish","type":"post","link":"https:\/\/www.katsbits.com\/codex\/units\/","title":{"rendered":"Units of Measurement"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 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-6a0c22c620195\" 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-6a0c22c620195\"  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\/units\/#scene-properties\" >Scene Properties<\/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\/units\/#unit-scale\" >Unit Scale<\/a><\/li><\/ul><\/nav><\/div>\n<p>For newer versions of Blender <b>Units<\/b> options (<i>units of measurement<\/i>) still resides within <b>Scene<\/b> Properties. The primary selections for the <b>Unit System<\/b> also remain unchanged; <b>None<\/b>, <b>Metric<\/b> (default) and <b>Imperial<\/b>. Once set additional options are then accessible depending on selection [1]; <i>Metric<\/i> or <i>Imperial<\/i> include <b>Length<\/b> and two additional settings, <b>Mass<\/b> and <b>Time<\/b> [3].<\/p>\n<blockquote style=\"background-color: #fc0; color: #000;\"><p><b>Important<\/b>: <b>Units of Measurement<\/b> is different to the <a href=\"https:\/\/www.katsbits.com\/codex\/measurement\/\">display of measurement<\/a> (Numerics), i.e. distance, angle and area shown when something is selected (in Edit Mode).<\/p><\/blockquote>\n<blockquote><p><b>Design note<\/b>: selecting <b>None<\/b> as the primary Unit System disables the additional options. Rotation selections are available regardless &#8211; Degrees or Radians.<\/p><\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"scene-properties\"><\/span>Scene Properties<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To access unit options, click on the <b>Scene<\/b> Properties button then the <b>Units<\/b> subheading to expose the available options. <b>Metric<\/b> is set as the default system unit replacing <b>None<\/b>.<\/p>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/units\/scene-properties.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/units\/scene-properties.jpg\" alt=\"Setting the units of measurement for a problem in Scene Properties\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Setting up the units of measurement [2] for a project is still done in <b>Scene<\/b> Properties [1].<\/i><\/p>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/units\/unit-system.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/units\/unit-system.jpg\" alt=\"Setting the type of units of measurement in Blender 2.8\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Setting the type of units of measurement [1] in Blender 2.8 using the <b>Unit System<\/b> [2] &#8211; <b>Metric<\/b>, <b>Imperial<\/b> and the default <b>None<\/b> and additional options [3] &#8211; <b>Length<\/b>, <b>Mass<\/b> and <b>Time<\/b> .<\/i><\/p>\n<h3><span class=\"ez-toc-section\" id=\"unit-scale\"><\/span>Unit Scale<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Once the <b>Unit System<\/b> is set the grid can be further modified using <b>Unit Scale<\/b>. Altering this value changes the <i>proportional size<\/i> of the grids major or primary divisions relative to the base scale value, <b>1.000000<\/b>, established when the Unit System is set. For example a <i>1:1 ratio between Unit System and and Unit scale<\/i> (they&#8217;re both 1.0) means both system and grid scale match (<i>the default cube being 2x2x2 is positioned so 1 unit is either side of the XYZ axes<\/i>). At a ratio of <i>1:0.5<\/i> the grid <i>appears larger<\/i> because the unit scale is now half the size of the system scale (1.0) making the cube appear smaller. And at 1:2 a smaller, tighter grid is shown because <i>more<\/i> sub-units are visible per system base unit making the cube appear larger.<\/p>\n<blockquote><p><b>Design note<\/b>: <b>Unit Scale<\/b> is not the same as grid <b>Subdivisions<\/b>, the former being used largely to establish a projects overall &#8216;size&#8217; or &#8216;scale&#8217; (1:1, 1:1.25 etc), the latter for defining or fine-tuning major\/minor (grid) cells and distances (10 minor units per major etc.).<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/units\/unit-scale.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/units\/unit-scale.jpg\" alt=\"Unit Scale changes the relative size of each grid cell to the Unit of Measurement\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i><b>Unit Scale<\/b> changes the size of each cell in the grid relative to the unit of measurement (Unit System selection) &#8211; at 0.5 each grid cell is twice as large as the default, at 2.0, twice as small because more units fit within the same space (this is not the same as subdivisions).<\/i><\/p>\n<p><video poster=\"\" controls=\"controls\" width=\"100%\" height=\"auto\"><source src=\"https:\/\/www.katsbits.com\/images\/tutorials\/units\/units-of-measurement.mp4\" type=\"video\/mp4\" \/><!--<source src=\"https:\/\/www.katsbits.com\/images\/tutorials\/units\/units-of-measurement.ogg\" type=\"video\/ogg\" \/>\n<source src=\"https:\/\/www.katsbits.com\/images\/tutorials\/units\/units-of-measurement.webm\" type=\"video\/webm\" \/>--><\/video><br \/>\n<i>In <b>Scene<\/b> Properties the settings and options for <b>Units<\/b> in Blender 2.8 now default to <b>Metric<\/b> rather than <b>None<\/b>.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":827,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,230],"tags":[397,279,396,290,394,289,400,395,695,399,398,286,393],"class_list":["post-823","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blender","category-tutorials","tag-grid","tag-grid-settings","tag-guides","tag-imperial","tag-measurement-system","tag-metric","tag-none","tag-overlays","tag-scene-properties","tag-unit-scale","tag-unit-system","tag-units","tag-units-of-measurement"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/823","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=823"}],"version-history":[{"count":5,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/823\/revisions"}],"predecessor-version":[{"id":9511,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/823\/revisions\/9511"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/media\/827"}],"wp:attachment":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/media?parent=823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/categories?post=823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/tags?post=823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}