{"id":6423,"date":"2025-02-18T09:42:15","date_gmt":"2025-02-18T09:42:15","guid":{"rendered":"https:\/\/thedesignsense.com\/geotools\/?p=6423"},"modified":"2025-02-18T09:42:19","modified_gmt":"2025-02-18T09:42:19","slug":"3d-to-2d-gt_ch3d2d-geotools-command","status":"publish","type":"post","link":"https:\/\/thedesignsense.com\/geotools\/3d-to-2d-gt_ch3d2d-geotools-command\/","title":{"rendered":"3D to 2D: GT_CH3D2D \u2013 GeoTools Command"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-x-large-font-size\">Summary<\/h1>\n\n\n\n<p>The <strong>GT_CH3D2D<\/strong> command in <strong>GeoTools<\/strong> efficiently converts selected <strong>3D polylines and lines<\/strong> into <strong>2D polylines and lines<\/strong>, ensuring smooth processing and compatibility within <strong>BricsCAD, AutoCAD, ZWCAD and ARES Commander<\/strong>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote has-text-align-left has-medium-font-size is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>GeoTool -&gt; Polyline Tools -&gt; Join\/Change -&gt; 3D-to-2D<\/strong><\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Convert 3D to 2d Polylines in flexible ways\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/o_2RdA8TJfE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p><strong>3D to 2D: GT_CH3D2D \u2013 GeoTools Command<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"255\" height=\"245\" src=\"https:\/\/thedesignsense.com\/geotools\/wp-content\/uploads\/2025\/01\/image.png\" alt=\"\" class=\"wp-image-7139\"\/><figcaption class=\"wp-element-caption\">3D to 2D: GT_CH3D2D \u2013 GeoTools Command<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Key Features Include:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Seamless Conversion<\/strong> \u2013 Transforms all selected 3D polylines and lines into 2D polylines based on the PLINETYPE setting.<\/li>\n\n\n\n<li><strong>Elevation Control<\/strong> \u2013 Define how the resulting 2D polylines should acquire their elevation.<\/li>\n\n\n\n<li><strong>Multiple Elevation Options:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Set to <strong>0.0<\/strong> \u2013 Flattens all polylines to zero elevation.<\/li>\n\n\n\n<li><strong>Lowest Z<\/strong> of each 3D polyline \u2013 Uses the minimum Z value.<\/li>\n\n\n\n<li><strong>Highest Z<\/strong> of each 3D polyline \u2013 Uses the maximum Z value.<\/li>\n\n\n\n<li><strong>Set to first vertex<\/strong> of each 3D polyline \u2013 Assigns elevation from the first vertex.<\/li>\n\n\n\n<li><strong>Average of all vertices<\/strong> \u2013 Calculates an average Z elevation for each polyline.<\/li>\n\n\n\n<li><strong>Set to a specific value<\/strong> \u2013 Allows manual input of an elevation.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Technical Information:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <strong>GT_CH3D2D<\/strong> command modifies the <strong>DXF Group Code 70<\/strong>, removing the 8-bit flag to redefine the object as a <strong>2D polyline<\/strong>.<\/li>\n\n\n\n<li>The newly created <strong>2D polylines inherit extended entity data<\/strong> (XData) from the original 3D polylines.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Benefits:<\/strong><\/h4>\n\n\n\n<p>This tool is ideal for CAD professionals working in <strong>topographical mapping, GIS applications, and civil engineering<\/strong>, where <strong>2D polylines<\/strong> are required for accurate drafting and data processing.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Summary The GT_CH3D2D command in GeoTools efficiently converts selected 3D polylines and lines into 2D polylines and lines, ensuring smooth processing and compatibility within BricsCAD, AutoCAD, ZWCAD and ARES Commander. GeoTool -&gt; Polyline Tools -&gt; Join\/Change -&gt; 3D-to-2D 3D to 2D: GT_CH3D2D \u2013 GeoTools Command Key Features Include: Technical Information: Benefits: This tool is ideal for CAD professionals working in topographical mapping, GIS applications, and civil engineering, where 2D polylines are required for accurate drafting and data processing.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[27],"tags":[32,26,33],"class_list":["post-6423","post","type-post","status-publish","format-standard","hentry","category-geotools-commands","tag-3d-to-2d","tag-geotools-command","tag-gt_ch3d2d"],"_links":{"self":[{"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/posts\/6423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/comments?post=6423"}],"version-history":[{"count":2,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/posts\/6423\/revisions"}],"predecessor-version":[{"id":7140,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/posts\/6423\/revisions\/7140"}],"wp:attachment":[{"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/media?parent=6423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/categories?post=6423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/tags?post=6423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}