{"id":2833,"date":"2016-04-04T07:00:43","date_gmt":"2016-04-04T14:00:43","guid":{"rendered":"https:\/\/www.autodesk.com/blogs\/autocad\/?p=2833"},"modified":"2020-04-07T14:57:08","modified_gmt":"2020-04-07T21:57:08","slug":"autocad-2017-new-centerlines-center-marks","status":"publish","type":"post","link":"https:\/\/www.autodesk.com/blogs\/autocad\/autocad-2017-new-centerlines-center-marks\/","title":{"rendered":"What\u2019s New in AutoCAD 2017? Centerlines and Center Marks Enhancements"},"content":{"rendered":"<p>Hello again, this time for the sixth post in our &#8220;What&#8217;s New in AutoCAD 2017?&#8221; series. AutoCAD 2017\u00a0software\u00a0serves up some\u00a0powerful new tools for creating and editing centerlines and center marks. In previous AutoCAD releases, you could create centerlines and center marks that\u00a0looked good but weren\u2019t associated with the geometry on which they were centered; if the geometry moved or changed, those centerlines and center marks were unaffected. Centerlines and center marks, however,\u00a0are meant to\u00a0stay centered\u2014even when the geometry changes\u2014and in AutoCAD 2017 that\u2019s exactly\u00a0what they do!<\/p>\n<p>Want to see them in action? Check out this <a href=\"http:\/\/autode.sk\/1pLjoSd\" target=\"_blank\" rel=\"noopener noreferrer\">AutoCAD 2017 Centerlines and Center Marks video<\/a>.<\/p>\n<h2 id=\"autocad-2017-centerline-and-center-mark-tools\">AutoCAD 2017: Centerline and Center Mark Tools<\/h2>\n<p>You can access the Center Mark and Centerline tools from the Annotate ribbon tab.<\/p>\n<div id=\"attachment_2854\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/res.cloudinary.com\/dnngwl1yi\/image\/upload\/v1572908961\/autocad-2017-centerlines-center-marks-01_qchmhq.png\" rel=\"attachment wp-att-2854\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2854\" class=\"size-medium wp-image-2854\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-01_qchmhq-300x57.png\" alt=\"Annotate ribbon tab\" width=\"300\" height=\"57\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-01_qchmhq-300x57.png 300w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-01_qchmhq-768x146.png 768w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-01_qchmhq.png 936w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-2854\" class=\"wp-caption-text\">Annotate ribbon tab.<\/p><\/div>\n<p>The AutoCAD Centerline tool creates centerline geometry of a specified linetype in association with selected lines and polylines. The Center Mark tool creates an associative center mark at the center of a selected circle, arc, or polygonal arc. If you move the \u00a0objects, the associated centerlines and center marks update accordingly.<\/p>\n<div id=\"attachment_2857\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/res.cloudinary.com\/dnngwl1yi\/image\/upload\/v1572908960\/autocad-2017-centerlines-center-marks-02_rah1l5.png\" rel=\"attachment wp-att-2857\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2857\" class=\"size-medium wp-image-2857\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-02_rah1l5-300x88.png\" alt=\"Editing objects with centerlines and center marks.\" width=\"300\" height=\"88\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-02_rah1l5-300x88.png 300w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-02_rah1l5-1024x299.png 1024w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-02_rah1l5-768x224.png 768w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-02_rah1l5.png 1272w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-2857\" class=\"wp-caption-text\">Editing objects with centerlines and center marks<\/p><\/div>\n<p>You can modify centerlines and center marks with their grips. A multifunctional grip menu offers additional controls.<\/p>\n<div id=\"attachment_2845\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/res.cloudinary.com\/dnngwl1yi\/image\/upload\/v1572908962\/autocad-2017-centerlines-center-marks-09_tmvdja.png\" rel=\"attachment wp-att-2845\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2845\" class=\"size-medium wp-image-2845\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-09_tmvdja-300x62.png\" alt=\"Multifunctional grips on centerlines and center marks.\" width=\"300\" height=\"62\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-09_tmvdja-300x62.png 300w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-09_tmvdja-1024x212.png 1024w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-09_tmvdja-768x159.png 768w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-09_tmvdja.png 1453w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-2845\" class=\"wp-caption-text\">Multifunctional grips on centerlines and center marks<\/p><\/div>\n<p>You can use the Properties palette to view and edit centerline and center mark properties.<\/p>\n<div id=\"attachment_2950\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/res.cloudinary.com\/dnngwl1yi\/image\/upload\/v1572908953\/autocad-2017-centerlines-center-marks-10_d0zedk.png\" rel=\"attachment wp-att-2950\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2950\" class=\"size-medium wp-image-2950\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-10_d0zedk-300x202.png\" alt=\"Centerline and center mark properties.\" width=\"300\" height=\"202\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-10_d0zedk-300x202.png 300w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-10_d0zedk.png 606w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-2950\" class=\"wp-caption-text\">Centerline and center mark properties<\/p><\/div>\n<p>You can disassociate centerlines and center marks from objects using the CENTERDISASSOCIATE command. Use the CENTERREASSOCIATE command to reassociate centerlines and center marks with selected objects.<\/p>\n<h2 id=\"autocad-2017-centerline-and-center-mark-system-variables\">AutoCAD 2017: Centerline and center mark system variables<\/h2>\n<p>Additional \u201cCENTER\u201d system variables enable you to further control the behavior and appearance of centerlines and center marks.<\/p>\n<p>CENTEREXE: Controls the length of extension line overshoots for centerlines and center marks.<\/p>\n<div id=\"attachment_2860\" style=\"width: 288px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-03_udcjl6.png\" rel=\"attachment wp-att-2860\" data-lbwps-width=\"278\" data-lbwps-height=\"126\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-03_udcjl6.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2860\" class=\"size-full wp-image-2860\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-03_udcjl6.png\" alt=\"CENTEREXE set to .12 (left) and 1.0 (right).\" width=\"278\" height=\"126\" \/><\/a><p id=\"caption-attachment-2860\" class=\"wp-caption-text\">CENTEREXE set to .12 (left) and 1.0 (right).<\/p><\/div>\n<p>CENTERMARKEXE: Determines whether extension lines are created for center marks.<\/p>\n<div id=\"attachment_2863\" style=\"width: 278px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-04_s7ffkm.png\" rel=\"attachment wp-att-2863\" data-lbwps-width=\"268\" data-lbwps-height=\"103\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-04_s7ffkm.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2863\" class=\"size-full wp-image-2863\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-04_s7ffkm.png\" alt=\"CENTERMARKEXE turned on (left) and off (right).\" width=\"268\" height=\"103\" \/><\/a><p id=\"caption-attachment-2863\" class=\"wp-caption-text\">CENTERMARKEXE turned on (left) and off (right)<\/p><\/div>\n<p>CENTERLTYPE: Specifies the linetype used by centerlines and center marks.<\/p>\n<div id=\"attachment_2866\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/res.cloudinary.com\/dnngwl1yi\/image\/upload\/v1572908957\/autocad-2017-centerlines-center-marks-05_nxx23s.png\" rel=\"attachment wp-att-2866\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2866\" class=\"size-medium wp-image-2866\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-05_nxx23s-300x139.png?cld_params=w_300\" alt=\"CENTERLTYPE set to Center2 and Continuous\" width=\"300\" height=\"139\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-05_nxx23s-300x139.png 300w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-05_nxx23s.png 491w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-2866\" class=\"wp-caption-text\">CENTERLTYPE set to Center2 (left) and Continuous (right)<\/p><\/div>\n<p>CENTERLAYER: Specifies the layer on which centerlines and center marks are created.<\/p>\n<p>CENTERLTSCALE: Sets the linetype scale used by centerlines and center marks.<\/p>\n<div id=\"attachment_2836\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/res.cloudinary.com\/dnngwl1yi\/image\/upload\/v1572908964\/autocad-2017-centerlines-center-marks-06_i1pr1u.png\" rel=\"attachment wp-att-2836\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2836\" class=\"size-medium wp-image-2836\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-06_i1pr1u-300x141.png?cld_params=w_auto:100:480\/q_auto,w_auto:100:480\/w_300\" alt=\"CENTERLTSCALE set to 1 and .5\" width=\"300\" height=\"141\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-06_i1pr1u-300x141.png 300w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-06_i1pr1u.png 480w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-2836\" class=\"wp-caption-text\">CENTERLTSCALE set to 1 (left) and .5 (right)<\/p><\/div>\n<p>CENTERCROSSSIZE: Determines the size of the central cross for center marks.<\/p>\n<div id=\"attachment_2839\" style=\"width: 277px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-07_hjjo1g.png?cld_params=q_auto,w_auto:100:267\/q_auto,w_auto:100:267\/q_auto,w_auto:100:267\" rel=\"attachment wp-att-2839\" data-lbwps-width=\"267\" data-lbwps-height=\"103\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-07_hjjo1g.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2839\" class=\"size-full wp-image-2839\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-07_hjjo1g.png?cld_params=q_auto,w_auto:100:267\/q_auto,w_auto:100:267\/q_auto,w_auto:100:267\" alt=\"CENTERCROSSSIZE set to .1 and .2\" width=\"267\" height=\"103\" \/><\/a><p id=\"caption-attachment-2839\" class=\"wp-caption-text\">CENTERCROSSSIZE set to .1 (left) and .2 (right)<\/p><\/div>\n<p>CENTERCROSSGAP: Determines the extension line gap between the central cross and the extension lines of center marks.<\/p>\n<div id=\"attachment_2842\" style=\"width: 278px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-08_k1zttn.png?cld_params=w_auto:100:268\/q_auto,w_auto:100:268\/q_auto,w_auto:100:268\/q_auto,w_auto:100:268\/q_auto,w_auto:100:268\" rel=\"attachment wp-att-2842\" data-lbwps-width=\"268\" data-lbwps-height=\"103\" data-lbwps-srcsmall=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-08_k1zttn.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2842\" class=\"size-full wp-image-2842\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/autocad-2017-centerlines-center-marks-08_k1zttn.png?cld_params=w_auto:100:268\/q_auto,w_auto:100:268\/q_auto,w_auto:100:268\/q_auto,w_auto:100:268\/q_auto,w_auto:100:268\" alt=\"CENTERCROSSGAP set to .05 and .1\" width=\"268\" height=\"103\" \/><\/a><p id=\"caption-attachment-2842\" class=\"wp-caption-text\">CENTERCROSSGAP set to .05 (left) and .1 (right)<\/p><\/div>\n<p>Use the CENTERRESET command to reset the extension lines of a center mark or centerline object to the current value of CENTEREXE.<\/p>\n<h2 id=\"whats-new-in-autocad-2017-the-adventure-continues\">What&#8217;s New in AutoCAD 2017? The Adventure Continues&#8230;.<\/h2>\n<p>This is the sixth\u00a0in a series of deeper dives into the top new AutoCAD 2017 features.<\/p>\n<p><strong>Next up\u00a0in the\u00a0<a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/new-autocad-2017-dialog-box-enhancements\/\"><span class=\"tx\">What\u2019s New\u00a0<\/span><span class=\"tx\">in AutoCAD\u00a0<\/span><span class=\"tx\">2017? series:\u00a0<\/span><span class=\"tx\">Dialog Box Enhancements<\/span><\/a><\/strong><\/p>\n<p>Previous topics covered include&#8230;.<\/p>\n<ul>\n<li class=\"adk-bfeatured-title\">March 23:\u00a0<a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/autocad-2017-pdf-import\/\">What\u2019s New in AutoCAD 2017? PDF Import<\/a><\/li>\n<li class=\"adk-bfeatured-title\">March 25:\u00a0<a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/autocad-2017-autodesk-desktop-app\/\">What\u2019s New in AutoCAD 2017? Autodesk Desktop App<\/a><\/li>\n<li class=\"adk-bfeatured-title\">March 28:\u00a0<a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/whats-new-autocad-2017-migrate-custom-settings\">What\u2019s New in AutoCAD 2017? Migrate Custom Settings<\/a><\/li>\n<li class=\"adk-bfeatured-title\">March 30:\u00a0<a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/autocad-2017-software-license-manager\/\">What&#8217;s New in AutoCAD 2017? License Manager<\/a><\/li>\n<li class=\"adk-bfeatured-title\">April 1: <a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/new-in-autocad-2017-2d-graphics\/\">What&#8217;s New in AutoCAD 2017? 2D Graphics Enhancements<\/a><\/li>\n<\/ul>\n<p>Want to see the entire series at a glance?\u00a0<a href=\"https:\/\/www.autodesk.com/blogs\/autocad\/blog-series-whats-new-in-autocad-2017\/\" target=\"_blank\" rel=\"noopener noreferrer\">Visit the &#8220;Blog Series: What\u2019s New in AutoCAD 2017?\u201d page<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hello again, this time for the sixth post in our &#8220;What&#8217;s New in AutoCAD 2017?&#8221; series. AutoCAD 2017\u00a0software\u00a0serves up some\u00a0powerful new tools for creating and editing centerlines and center marks. In previous AutoCAD releases, you could create centerlines and center marks that\u00a0looked good but weren\u2019t associated with the geometry on which they were centered; if [&hellip;]<\/p>\n","protected":false},"author":59,"featured_media":2476,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[892],"tags":[448,11,418,14],"class_list":["post-2833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news","tag-annotation","tag-autocad","tag-autocad-2017","tag-autocad-lt","dhig-theme--light"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>New in AutoCAD 2017: Centerlines &amp; Center Marks<\/title>\n<meta name=\"description\" content=\"Centerlines and center marks should stay centered on their associated geometry\u2014even when the geometry changes\u2014and in AutoCAD 2017 that&#039;s just what they do!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.autodesk.com/blogs\/autocad\/autocad-2017-new-centerlines-center-marks\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What\u2019s New in AutoCAD 2017? 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