{"id":38584,"date":"2019-12-12T18:15:24","date_gmt":"2019-12-12T22:15:24","guid":{"rendered":"https:\/\/www.novacam.com\/?p=38584"},"modified":"2020-02-17T17:13:12","modified_gmt":"2020-02-17T21:13:12","slug":"3d-measurement-data-that-novacam-3d-metrology-systems-generate","status":"publish","type":"post","link":"https:\/\/www.novacam.com\/fr\/2019\/12\/12\/3d-measurement-data-that-novacam-3d-metrology-systems-generate\/","title":{"rendered":"Quel type de donn\u00e9es de mesure les syst\u00e8mes de m\u00e9trologie 3D de Novacam g\u00e9n\u00e8rent-ils ?"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5glagiy-24c7678ee694fc0d79d9f1210d9df560\">\n.flex_column.av-5glagiy-24c7678ee694fc0d79d9f1210d9df560{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-5glagiy-24c7678ee694fc0d79d9f1210d9df560 av_one_full  avia-builder-el-0  el_before_av_hr  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b\">\n#top .hr.hr-invisible.av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b hr-invisible  avia-builder-el-1  el_before_av_textblock  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-jta74thu-3fc409b0d32e39d11adc02f5286a0537'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>What kind of data do Novacam 3D metrology systems generate?<\/h1>\n<p>Published on December 12, 2019<\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jta76ch1-54a185ff26301b40a16157b105ff1e0d\">\n#top .hr.hr-invisible.av-jta76ch1-54a185ff26301b40a16157b105ff1e0d{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-jta76ch1-54a185ff26301b40a16157b105ff1e0d hr-invisible  avia-builder-el-3  el_after_av_one_full  el_before_av_three_fifth'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-4  el_after_av_hr  el_before_av_two_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>This is a valid question when evaluating any 3D metrology solution.\u00a0 What data will it give me? And what&#8217;s the utility of that data?<\/p>\n<p>This article presents the <strong>3 types of data generated by Novacam non-contact 3D metrology systems<\/strong>\u00a0(the <a href=\"https:\/\/www.novacam.com\/fr\/products\/boreinspect-pour-la-metrologie-des-alesages-en-3d\/\">BoreInspect<\/a>, <a href=\"https:\/\/www.novacam.com\/fr\/products\/tubeinspect-pour-la-metrologie-de-lidentification-et-de-lodeur-des-tubes-en-3d\/\">TubeInspect<\/a>, <a href=\"https:\/\/www.novacam.com\/fr\/products\/surfaceinspect-pour-3d-metrologie-dimensions-rugosite-epaisseur-2\/\">SurfaceInspect<\/a>, <a href=\"https:\/\/www.novacam.com\/fr\/products\/edgeinspect-pour-la-metrologie-du-rayon-des-aretes-en-3d\/\">EdgeInspect<\/a> and Microcam <a href=\"https:\/\/www.novacam.com\/fr\/products\/profilometers\/\">Profilometer<\/a>). Deployed across high-precision industries, the systems simultaneously generate a\u00a0 <strong>3D point cloud, a light intensity map, and a height map<\/strong> from each scan.<\/p>\n<p>The three data sets may be used separately or in combination to:<\/p>\n<ul>\n<li>provide micron-precision measurements of dimensions (GD&amp;T) and surface quality parameters, and<\/li>\n<li>offer unprecedented insight into our clients&#8217; manufacturing processes.<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-a60090e9859305b45c278f7f24e5073a\">\n.flex_column.av-4ritlre-a60090e9859305b45c278f7f24e5073a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-a60090e9859305b45c278f7f24e5073a av_two_fifth  avia-builder-el-6  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b\">\n#top .hr.hr-invisible.av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b hr-invisible  avia-builder-el-7  el_before_av_textblock  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: right;\"><small>Click on images for close-up view<\/small><\/p>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_38596\" style=\"width: 1315px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/3D-data-available-with-Novacam-3D-metrology-systems.jpg\" rel=\"attachment wp-att-38599\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38596\" class=\"wp-image-38596 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/3D-data-available-with-Novacam-3D-metrology-systems.jpg\" alt=\"\" width=\"1305\" height=\"645\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/3D-data-available-with-Novacam-3D-metrology-systems.jpg 1305w, https:\/\/www.novacam.com\/wp-content\/uploads\/3D-data-available-with-Novacam-3D-metrology-systems-300x148.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/3D-data-available-with-Novacam-3D-metrology-systems-1030x509.jpg 1030w, https:\/\/www.novacam.com\/wp-content\/uploads\/3D-data-available-with-Novacam-3D-metrology-systems-140x69.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/3D-data-available-with-Novacam-3D-metrology-systems-768x380.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/3D-data-available-with-Novacam-3D-metrology-systems-705x348.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/3D-data-available-with-Novacam-3D-metrology-systems-450x222.jpg 450w\" sizes=\"auto, (max-width: 1305px) 100vw, 1305px\" \/><\/a><p id=\"caption-attachment-38596\" class=\"wp-caption-text\">The 3 types of data generated by Novacam 3D metrology systems provide a solid basis for rapid automated dimensional measurements, for defect detection and measurement, interactive visualization, and more.<\/p><\/div>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-10  el_after_av_two_fifth  el_before_av_three_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>First, a quick intro to the technology and mode of measurement with the systems.<\/p>\n<\/div><\/section><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-12  el_after_av_three_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Intro to technology and mode of measurement<\/h2>\n<p>Novacam 3D metrology systems are based on low-coherence interferometry.\u00a0 They acquire surfaces in a non-contact <strong>point-by-point <\/strong>manner: a fiber-based optical probe directs light onto the measured surface and collects reflected light signals, which are then processed by the system\u2019s Microcam-3D\/4D interferometer.<\/p>\n<p>Depending on the interferometer model, <strong>up to 100,000 3D point measurements are acquired per second<\/strong>.\u00a0\u00a0 For example, a 10 second scan with a system that uses a Microcam-4D interferometer generates 1 Million 3D measurement points <strong>along a<\/strong> <strong>user-set scan path<\/strong>.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0kfjj-6d14582387d05690200a762658a281bc\">\n.flex_column.av-x0kfjj-6d14582387d05690200a762658a281bc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-x0kfjj-6d14582387d05690200a762658a281bc av_two_fifth  avia-builder-el-14  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b\">\n#top .hr.hr-invisible.av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b hr-invisible  avia-builder-el-15  el_before_av_textblock  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-jxeurpd5-aaebf3d315547c15a07a1158fcb774f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_38576\" style=\"width: 1260px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/scanning-pathways-in-hard-to-reach.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38576\" class=\"wp-image-38576 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/scanning-pathways-in-hard-to-reach.jpg\" alt=\"Une trajectoire de balayage est g\u00e9n\u00e9ralement lin\u00e9aire, circulaire ou en spirale.\" width=\"1250\" height=\"680\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/scanning-pathways-in-hard-to-reach.jpg 1250w, https:\/\/www.novacam.com\/wp-content\/uploads\/scanning-pathways-in-hard-to-reach-300x163.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/scanning-pathways-in-hard-to-reach-1030x560.jpg 1030w, https:\/\/www.novacam.com\/wp-content\/uploads\/scanning-pathways-in-hard-to-reach-140x76.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/scanning-pathways-in-hard-to-reach-768x418.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/scanning-pathways-in-hard-to-reach-705x384.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/scanning-pathways-in-hard-to-reach-450x245.jpg 450w\" sizes=\"auto, (max-width: 1250px) 100vw, 1250px\" \/><\/a><p id=\"caption-attachment-38576\" class=\"wp-caption-text\">Une trajectoire de balayage est g\u00e9n\u00e9ralement lin\u00e9aire, circulaire ou en spirale.<\/p><\/div>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-17  el_after_av_two_fifth  el_before_av_hr  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Novacam acquisition software allows users to automate the measurement cycle, including scanning, data analysis, and subsequent reporting. To automate these repetitive tasks, users configure <strong>scan definitions<\/strong>, which comprise measurement sequences and subsequent reporting.<\/p>\n<p>Scan definitions are invoked automatically by a PLC (programmable logic controller) or by an operator with the push of a button.\u00a0 In this way, the inspection cycle and the measurements obtained are independent of the operator.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jta76ch1-54a185ff26301b40a16157b105ff1e0d\">\n#top .hr.hr-invisible.av-jta76ch1-54a185ff26301b40a16157b105ff1e0d{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-jta76ch1-54a185ff26301b40a16157b105ff1e0d hr-invisible  avia-builder-el-19  el_after_av_three_fifth  el_before_av_three_fifth'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-20  el_after_av_hr  el_before_av_two_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Example of a scanned object &#8211; a drilled fastener hole<\/h2>\n<p>For a concrete illustrative example of the data generated, we scanned the inside diameter (ID) surface of a 6.25 mm (\u00bc\u201d)-diameter rivet hole drilled through a stack of 3 aluminum plates.\u00a0 The total plate stack thickness is about 9.4 mm (3\/8\u201d)), and the rivet hole has a 100 degree (nominal) countersink at the top opening.<\/p>\n<p>To measure, we used Novacam <a href=\"https:\/\/www.novacam.com\/fr\/products\/boreinspect-pour-la-metrologie-des-alesages-en-3d\/\">BoreInspect<\/a> 3D metrology system equipped with a 3.05 mm diameter rotational probe.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0kfjj-6d14582387d05690200a762658a281bc\">\n.flex_column.av-x0kfjj-6d14582387d05690200a762658a281bc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-x0kfjj-6d14582387d05690200a762658a281bc av_two_fifth  avia-builder-el-22  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jxeurpd5-aaebf3d315547c15a07a1158fcb774f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_38583\" style=\"width: 805px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement-with-BoreInspect.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38583\" class=\"wp-image-38583 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement-with-BoreInspect.jpg\" alt=\"To measure the ID of a 6.35 mm (\u00bc\u201d) rivet hole, we used the BoreInspect 3D metrology system equipped with a 3.05 mm diameter rotational probe.\" width=\"795\" height=\"510\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement-with-BoreInspect.jpg 795w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement-with-BoreInspect-300x192.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement-with-BoreInspect-140x90.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement-with-BoreInspect-768x493.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement-with-BoreInspect-705x452.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement-with-BoreInspect-450x289.jpg 450w\" sizes=\"auto, (max-width: 795px) 100vw, 795px\" \/><\/a><p id=\"caption-attachment-38583\" class=\"wp-caption-text\">To measure the ID of a 6.35 mm (\u00bc\u201d) rivet hole, we used the BoreInspect 3D metrology system equipped with a 3.05 mm diameter rotational probe.<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-24  el_after_av_two_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>We selected a spiral scan path and then we scanned the hole twice \u2013 once at a high density (with a very small spiral pitch) and once at a lower density (with a larger spiral pitch).<\/p>\n<p>Please see the diagram for a definition of a spiral pitch.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0kfjj-6d14582387d05690200a762658a281bc\">\n.flex_column.av-x0kfjj-6d14582387d05690200a762658a281bc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-x0kfjj-6d14582387d05690200a762658a281bc av_two_fifth  avia-builder-el-26  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jxeurpd5-aaebf3d315547c15a07a1158fcb774f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_38575\" style=\"width: 1199px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/spiral-pitch-vs-lateral-sampling-distance.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38575\" class=\"wp-image-38575 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/spiral-pitch-vs-lateral-sampling-distance.jpg\" alt=\"The pitch of the scan spiral is a partial determinant of the speed of an ID scan. The other is the rotation speed of the probe.\" width=\"1189\" height=\"919\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/spiral-pitch-vs-lateral-sampling-distance.jpg 1189w, https:\/\/www.novacam.com\/wp-content\/uploads\/spiral-pitch-vs-lateral-sampling-distance-300x232.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/spiral-pitch-vs-lateral-sampling-distance-1030x796.jpg 1030w, https:\/\/www.novacam.com\/wp-content\/uploads\/spiral-pitch-vs-lateral-sampling-distance-140x108.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/spiral-pitch-vs-lateral-sampling-distance-768x594.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/spiral-pitch-vs-lateral-sampling-distance-705x545.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/spiral-pitch-vs-lateral-sampling-distance-450x348.jpg 450w\" sizes=\"auto, (max-width: 1189px) 100vw, 1189px\" \/><\/a><p id=\"caption-attachment-38575\" class=\"wp-caption-text\">The pitch of the scan spiral is a partial determinant of the speed of an ID scan. The other is the rotation speed of the probe.<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-28  el_after_av_two_fifth  el_before_av_one_third  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Data set #1: 3D point cloud<\/h2>\n<p>The first type of data generated is a 3D point cloud, which is a set of data points associated with X,Y,Z coordinates. It represents the set of points measured on the object surface and in effect describes the surface in a 3D space.<\/p>\n<p>As mentioned earlier, with Novacam 3D metrology systems, the path of the scan and the density of the point cloud is set by the user depending on their measurement needs.\u00a0 Here below we show two point clouds &#8211; one generated from a high-density spiral scan and the other from a lower-density spiral scan of the same rivet hole.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0kfjj-6d14582387d05690200a762658a281bc\">\n.flex_column.av-x0kfjj-6d14582387d05690200a762658a281bc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-x0kfjj-6d14582387d05690200a762658a281bc av_one_third  avia-builder-el-30  el_after_av_three_fifth  el_before_av_one_third  flex_column_div av-zero-column-padding'     ><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0kfjj-10aa22dfb69941da1361584775e36bcb\">\n.flex_column.av-x0kfjj-10aa22dfb69941da1361584775e36bcb{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-x0kfjj-10aa22dfb69941da1361584775e36bcb av_one_third  avia-builder-el-31  el_after_av_one_third  el_before_av_one_third  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jxeurpd5-aaebf3d315547c15a07a1158fcb774f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_38578\" style=\"width: 810px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-9-view-3_high-density-3D-point-cloud.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38578\" class=\"wp-image-38578 size-full\" title=\"3D point cloud from a high density scan\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-9-view-3_high-density-3D-point-cloud.jpg\" alt=\"To acquire this high-density 3D point cloud of the rivet hole ID, the spiral pitch of acquisition was set to 0.05 mm (~2,000 \u00b5in.). It was acquired in 9.5 seconds and comprises over 947,000 3D measurement points. High-density scans are typically needed to detect and measure small defects.\" width=\"800\" height=\"879\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-9-view-3_high-density-3D-point-cloud.jpg 800w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-9-view-3_high-density-3D-point-cloud-273x300.jpg 273w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-9-view-3_high-density-3D-point-cloud-127x140.jpg 127w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-9-view-3_high-density-3D-point-cloud-768x844.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-9-view-3_high-density-3D-point-cloud-642x705.jpg 642w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-9-view-3_high-density-3D-point-cloud-450x494.jpg 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-38578\" class=\"wp-caption-text\">To acquire this high-density 3D point cloud of the rivet hole ID, the spiral pitch of acquisition was set to 0.05 mm (~2,000 \u00b5in.). The scan took 9.5 seconds and the point cloud comprises over 947,000 3D measurement points. High-density scans are typically required to detect and measure small defects.<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0kfjj-6d14582387d05690200a762658a281bc\">\n.flex_column.av-x0kfjj-6d14582387d05690200a762658a281bc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-x0kfjj-6d14582387d05690200a762658a281bc av_one_third  avia-builder-el-33  el_after_av_one_third  el_before_av_three_fifth  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jxeurpd5-aaebf3d315547c15a07a1158fcb774f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_38582\" style=\"width: 810px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-lower-density-scan.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38582\" class=\"wp-image-38582 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-lower-density-scan.jpg\" alt=\"\" width=\"800\" height=\"912\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-lower-density-scan.jpg 800w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-lower-density-scan-263x300.jpg 263w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-lower-density-scan-123x140.jpg 123w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-lower-density-scan-768x876.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-lower-density-scan-618x705.jpg 618w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-lower-density-scan-450x513.jpg 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-38582\" class=\"wp-caption-text\">To speed up the scan, the spiral pitch was increased to 0.4 mm (~0.016\u201d). This scan took 1.2 seconds and the generated 3D point cloud comprises 118,448 3D measurement points \u2013 more than enough for extracting GD&amp;T (dimensional) geometry parameters.<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-35  el_after_av_one_third  el_before_av_three_fifth  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>3D point cloud data is most often used for rapid dimensional measurements. The cycle time of scanning and 3D data analysis may be optimized to support automated inspection even in high throughput manufacturing.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-37  el_after_av_three_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Extracting dimensional measurements from a point cloud<\/h3>\n<p>The 3D point cloud is output as a data file that is analyzed interactively or automatically using CAD\/GD&amp;T (computer aided design\/geometric dimensioning &amp; tolerancing) software. Novacam offers <a href=\"https:\/\/www.innovmetric.com\/en\/products-solutions\/polyworksinspectortm\">PolyWorks Inspector<\/a><sup><small style=\"font-size: 10.6667px;\">TM<\/small><\/sup>, an industry-standard third party CAD\/GD&amp;T software, as an option with our 3D metrology systems. The software provides powerful capabilities for evaluating 3D point clouds with respect to user-defined criteria (nominals and tolerances) or a reference CAD model.<\/p>\n<p>PolyWorks Inspector offers both interactive 3D visualization and analysis, and fully automated analysis and go-no-go reporting. Users may define their own macro-based rivet inspection reports. With automated rivet inspection reports, no operator input is required.<\/p>\n<p>Depending on the part and the scan system configuration being used, dimensional measurements may include distance (length, height, width), diameter, angle, straightness, flatness, circularity (roundness), cylindricity, profile of a line, profile of a surface, angularity, perpendicularity, parallelism, position, concentricity, symmetry, circular runout, etc.\u00a0 <a href=\"https:\/\/www.novacam.com\/fr\/applications\/dimensions-3d-gdt\/\">See the list of dimensional measurements, along with examples<\/a> of such measurements carried out by Novacam 3D metrology systems.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0kfjj-6d14582387d05690200a762658a281bc\">\n.flex_column.av-x0kfjj-6d14582387d05690200a762658a281bc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-x0kfjj-6d14582387d05690200a762658a281bc av_two_fifth  avia-builder-el-39  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jxeurpd5-aaebf3d315547c15a07a1158fcb774f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_38587\" style=\"width: 1929px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38587\" class=\"wp-image-38587 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud.jpg\" alt=\"Angle measurement of the rivet hole 3D point cloud carried out in PolyWorks Inspector software.\" width=\"1919\" height=\"1018\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud.jpg 1919w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud-300x159.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud-1030x546.jpg 1030w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud-140x74.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud-768x407.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud-1536x815.jpg 1536w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud-1500x796.jpg 1500w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud-705x374.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole_dimensional-analysis-of-3D-point-cloud-450x239.jpg 450w\" sizes=\"auto, (max-width: 1919px) 100vw, 1919px\" \/><\/a><p id=\"caption-attachment-38587\" class=\"wp-caption-text\">Angle measurement of the rivet hole 3D point cloud carried out in PolyWorks Inspector software.<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-41  el_after_av_two_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Detecting and measuring defects<\/h3>\n<p>Using the PolyWorks Inspector, users may view the 3D point cloud interactively to examine and measure defects.\u00a0 Continuing on with our example of the rivet hole, we can easily see two types of defects on the inside diameter:<\/p>\n<ul>\n<li>a burr defect between the countersink and the rivet hole and<\/li>\n<li>inter-laminar gaps, i.e., gaps between the 3 drilled plates.<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0kfjj-6d14582387d05690200a762658a281bc\">\n.flex_column.av-x0kfjj-6d14582387d05690200a762658a281bc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-x0kfjj-6d14582387d05690200a762658a281bc av_two_fifth  avia-builder-el-43  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jxeurpd5-aaebf3d315547c15a07a1158fcb774f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_38590\" style=\"width: 817px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-with-burr-and-inter-laminar-gaps_with-arrows.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38590\" class=\"wp-image-38590 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-with-burr-and-inter-laminar-gaps_with-arrows.jpg\" alt=\"Interactive defect inspection and measurement of a 3D point cloud of a rivet hole using PolyWorks Inspector.\" width=\"807\" height=\"457\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-with-burr-and-inter-laminar-gaps_with-arrows.jpg 807w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-with-burr-and-inter-laminar-gaps_with-arrows-300x170.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-with-burr-and-inter-laminar-gaps_with-arrows-140x79.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-with-burr-and-inter-laminar-gaps_with-arrows-768x435.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-with-burr-and-inter-laminar-gaps_with-arrows-705x399.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-with-burr-and-inter-laminar-gaps_with-arrows-450x255.jpg 450w\" sizes=\"auto, (max-width: 807px) 100vw, 807px\" \/><\/a><p id=\"caption-attachment-38590\" class=\"wp-caption-text\">Interactive defect inspection and measurement of rivet hole defects using PolyWorks Inspector software.<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-45  el_after_av_two_fifth  el_before_av_three_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p class=\"Body\">The point cloud may also be analyzed programmatically, automating detection and measurement of defects of pre-specified sizes and shapes.<\/p>\n<p class=\"Body\">With Novacam 3D metrology systems, defect detection (interactive or programmed) may also be greatly facilitated by using two additional data sets created by the systems: the height maps and light intensity maps.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b\">\n#top .hr.hr-invisible.av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b hr-invisible  avia-builder-el-47  el_after_av_textblock  avia-builder-el-last'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-48  el_after_av_three_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Data sets #2 and #3: Light intensity map and height map<\/h2>\n<p>The light intensity and height maps are generated at the same time as the 3D point cloud file. These maps represent an unwrapped view of the scanned surface and are typically very useful for inspecting and measuring defects.<\/p>\n<ul>\n<li>Le <strong>light intensity map<\/strong> is equivalent to a borescope image or a photo obtained by a vision system: it is a useful visual reference, and will provide lateral measurements, but does not contain height data.<\/li>\n<li>Le <strong>height map<\/strong> provides micron-precision height values of the surface.<\/li>\n<\/ul>\n<p>As seen in our rivet hole example, a particularly pronounced chatter defect (a pattern of surface waves) shows on the inside diameter.\u00a0 Chatter may be measured based on the 3D point cloud but visually it did not stand out in that particular data set.\u00a0 In contrast, both the height and light intensity maps show the pattern of the 7-lobe chatter clearly as diagonal stripes.<\/p>\n<p>The two maps also show the inter-laminar gaps.\u00a0 These gaps can be measured here as well as in the 3D point cloud data sets.<\/p>\n<\/div><\/section><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0kfjj-6d14582387d05690200a762658a281bc\">\n.flex_column.av-x0kfjj-6d14582387d05690200a762658a281bc{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-x0kfjj-6d14582387d05690200a762658a281bc av_two_fifth  avia-builder-el-50  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b\">\n#top .hr.hr-invisible.av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-k41uk0bc-6716d72e3ae6288039e46f9429341d5b hr-invisible  avia-builder-el-51  el_before_av_textblock  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: right;\"><small>Click on image for close-up view<\/small><\/p>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-jxeurpd5-aaebf3d315547c15a07a1158fcb774f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_38622\" style=\"width: 1064px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38622\" class=\"wp-image-38622 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2.jpg\" alt=\"In addition to 3D point cloud data, the light intensity map and the height map facilitate defect analysis \" width=\"1054\" height=\"1045\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2.jpg 1054w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2-300x297.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2-1030x1021.jpg 1030w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2-140x140.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2-768x761.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2-36x36.jpg 36w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2-705x699.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2-120x120.jpg 120w, https:\/\/www.novacam.com\/wp-content\/uploads\/Rivet-hole-measurement_height-and-light-intensity-map2-450x446.jpg 450w\" sizes=\"auto, (max-width: 1054px) 100vw, 1054px\" \/><\/a><p id=\"caption-attachment-38622\" class=\"wp-caption-text\">In addition to 3D point cloud data, the light intensity map and the height map facilitate defect analysis<\/p><\/div>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-54  el_after_av_two_fifth  el_before_av_three_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>The height and light intensity maps are output as 2 separate data files. Both may be viewed using publicly available ImageJ software supplied with Novacam 3D metrology systems. The two maps can be very complementary when used together;\u00a0 features or defects that stand out visually on the light intensity map may be interactively quantified through 2D or 3D measurements extracted from the height map using ImageJ.\u00a0\u00a0The two data sets may also be analyzed programmatically.<\/p>\n<\/div><\/section><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4ritlre-77e79f35f081374d59dacef470d61ed9\">\n.flex_column.av-4ritlre-77e79f35f081374d59dacef470d61ed9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4ritlre-77e79f35f081374d59dacef470d61ed9 av_three_fifth  avia-builder-el-56  el_after_av_three_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>An alternate format of the 3D data \u2013 STL (mesh)<\/h2>\n<p>We occasionally get asked &#8211; can you produce a mesh from the scan?\u00a0 The answer is yes.<\/p>\n<p>A mesh is a representation of a 3D object using a set of polygon surfaces. \u00a0It offers a continuous view of 3D measurement data, much like stretching a skin over the measured 3D points.<\/p>\n<p>Novacam data acquisition software provides the option to export scan data directly in STL format, which is a mesh representation of the scanned surface where all polygon surfaces (facets) are triangular. Alternately, the PolyWorks Inspector software may be used to mesh 3D point cloud data and export it in STL format.<\/p>\n<p>The shown image of an STL mesh was generated from a scan of a rivet hole countersink using Novacam <a href=\"https:\/\/www.novacam.com\/fr\/products\/surfaceinspect-pour-3d-metrologie-dimensions-rugosite-epaisseur-2\/\">SurfaceInspect<\/a> system.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4bg49re-2fbdad1b94a234a63346651bbd05fcce\">\n.flex_column.av-4bg49re-2fbdad1b94a234a63346651bbd05fcce{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4bg49re-2fbdad1b94a234a63346651bbd05fcce av_two_fifth  avia-builder-el-58  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jta8gnu7-44b441a04ba3d91370a7baaaee4a5254'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_4204\" style=\"width: 456px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2017\/06\/rivet_countersink_with_defect.jpg\" rel=\"attachment wp-att-37042\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4204\" class=\"wp-image-4204 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2017\/06\/rivet_countersink_with_defect.jpg\" alt=\"The mesh view of the countersink offers a continuous view of the 3D surface. \" width=\"446\" height=\"403\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2017\/06\/rivet_countersink_with_defect.jpg 446w, https:\/\/www.novacam.com\/wp-content\/uploads\/2017\/06\/rivet_countersink_with_defect-140x127.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/2017\/06\/rivet_countersink_with_defect-300x271.jpg 300w\" sizes=\"auto, (max-width: 446px) 100vw, 446px\" \/><\/a><p id=\"caption-attachment-4204\" class=\"wp-caption-text\">The mesh view of the countersink offers a continuous view of the 3D surface.<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-po5tsf-bbe637bcd5112d626f020687698adf4a\">\n.flex_column.av-po5tsf-bbe637bcd5112d626f020687698adf4a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-po5tsf-bbe637bcd5112d626f020687698adf4a av_three_fifth  avia-builder-el-60  el_after_av_two_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jta76ch1-54a185ff26301b40a16157b105ff1e0d\">\n#top .hr.hr-invisible.av-jta76ch1-54a185ff26301b40a16157b105ff1e0d{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-jta76ch1-54a185ff26301b40a16157b105ff1e0d hr-invisible  avia-builder-el-61  el_before_av_textblock  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-jta78nsh-7836c01f8b2bd8af9c16d003cc129c68'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 class=\"Body\">Do you require more info?<\/h2>\n<p>We&#8217;ve introduced the 3 main data sets provided by Novacam 3D metrology systems and presented their most common use in dimensional and defect measurements.<\/p>\n<p>To learn more, please <a href=\"https:\/\/www.novacam.com\/fr\/nous-contacter-2\/\">nous contacter<\/a> \u2013 it\u2019s our pleasure to discuss your 3D measurement needs.<\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-tix1n-b6dc12bab2a4a33d3e4d6c73550c503f\">\n.flex_column.av-tix1n-b6dc12bab2a4a33d3e4d6c73550c503f{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-tix1n-b6dc12bab2a4a33d3e4d6c73550c503f av_one_third  avia-builder-el-68  el_after_av_hr  el_before_av_one_third  first flex_column_div av-zero-column-padding'     ><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-tix1n-8a7f8cc25c43c46e94cc3d44ce8407dd\">\n.flex_column.av-tix1n-8a7f8cc25c43c46e94cc3d44ce8407dd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-tix1n-8a7f8cc25c43c46e94cc3d44ce8407dd av_one_third  avia-builder-el-69  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-24dm3-ba103b6d78fffee9b20fa453d4e54625'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.novacam.com\/fr\/entreprise\/nouvelles-et-evenements\/\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2lu3yx-d51a9b47a383446087af26e41f8404c8\">\n.av_font_icon.av-2lu3yx-d51a9b47a383446087af26e41f8404c8 .av-icon-char{\nfont-size:20px;\nline-height:20px;\n}\n<\/style>\n<span  class='av_font_icon av-2lu3yx-d51a9b47a383446087af26e41f8404c8 avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-iconfont avia-font-entypo-fontello av-no-color avia-icon-animate'><span class='av-icon-char' data-av_icon='\ue830' data-av_iconfont='entypo-fontello' aria-hidden=\"true\" ><\/span><\/span>Back to News &amp; Events list<\/a><\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-tix1n-8a7f8cc25c43c46e94cc3d44ce8407dd\">\n.flex_column.av-tix1n-8a7f8cc25c43c46e94cc3d44ce8407dd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-tix1n-8a7f8cc25c43c46e94cc3d44ce8407dd av_one_third  avia-builder-el-72  el_after_av_one_third  avia-builder-el-last  flex_column_div av-zero-column-padding'     ><\/div>","protected":false},"excerpt":{"rendered":"<p>Les syst\u00e8mes de m\u00e9trologie 3D sans contact de Novacam g\u00e9n\u00e8rent trois types de donn\u00e9es \u00e0 partir de chaque scan.  D\u00e9couvrez ce qu'ils sont et comment ils apportent de la valeur aux applications d'inspection de nos clients. <\/p>","protected":false},"author":3,"featured_media":38642,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[27,4],"tags":[30,86,88,87],"class_list":["post-38584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all","category-news","tag-3d-metrology","tag-3d-point-cloud","tag-non-contact-measurement-in-hard-to-reach-spaces","tag-rivet-hole-measurements"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What kind of measurement data do Novacam 3D metrology systems generate? - Novacam<\/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:\/\/www.novacam.com\/fr\/2019\/12\/12\/3d-measurement-data-that-novacam-3d-metrology-systems-generate\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What kind of measurement data do Novacam 3D metrology systems generate? - Novacam\" \/>\n<meta property=\"og:description\" content=\"From each scan, 3 types of data are generated by Novacam non-contact 3D metrology systems. 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