{"id":2374152,"date":"2024-06-28T10:11:05","date_gmt":"2024-06-28T17:11:05","guid":{"rendered":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&#038;p=2374152"},"modified":"2024-07-10T10:43:05","modified_gmt":"2024-07-10T17:43:05","slug":"3d-analyst-faqs","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/3d-gis\/3d-analyst-faqs","title":{"rendered":"3D Analyst FAQs"},"author":5371,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[23771],"tags":[23791,24991,38171],"industry":[],"product":[36561],"class_list":["post-2374152","blog","type-blog","status-publish","format-standard","hentry","category-3d-gis","tag-3d-analysis","tag-3d-analyst","tag-3d-gis","product-arcgis-pro"],"acf":{"authors":[{"ID":5371,"user_firstname":"Lindsay","user_lastname":"Weitz","nickname":"Lindsay Weitz","user_nicename":"lindsay27","display_name":"Lindsay Weitz","user_email":"lweitz@esri.com","user_url":"","user_registered":"2018-03-02 00:17:06","user_description":"Lindsay is a senior product engineer on the 3D Analyst team.  She has been working at Esri since 2006.  She focuses her work at Esri on lidar, 3D and GIS capabilities. Beyond Esri, Lindsay enjoys spending time with her family, playing tennis and doing yoga.","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2025\/01\/headshot-213x200.jpg' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"},{"ID":5781,"user_firstname":"Lee","user_lastname":"Brinton","nickname":"LB","user_nicename":"lbrinton","display_name":"Lee Brinton","user_email":"lbrinton@esri.com","user_url":"https:\/\/www.esri.com\/en-us\/arcgis\/3d-gis\/overview","user_registered":"2018-03-02 00:17:36","user_description":"Lee Brinton is a Product Manager with a proven track record of delivering 3D GIS solutions to various industries. With over 16 years of experience, Lee has supported customers in different 3D roles, including 3D Technical Lead, leading a team of GIS consultants focused on 3D software project delivery and product management. Lee's passion lies in creating innovative solutions and ensuring customer success. Beyond Esri, Lee cherishes building memories with his family, indulging in outdoor activities, and woodworking.","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2023\/06\/LeeB_ProfilePic-213x200.jpg' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"}],"short_description":"A list of frequently asked questions for the 3D Analyst extension. ","flexible_content":[{"acf_fc_layout":"content","content":"<p>This blog is an ongoing list of frequently asked questions for the 3D Analyst extension.\u00a0 Come back often to see the updates!<\/p>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li>What is 3D Analyst?\n<ul>\n<li>The\u00a0<span class=\"ph\">ArcGIS 3D Analyst extension<\/span>\u00a0in\u00a0<span class=\"ph\">ArcGIS Pro<\/span>\u00a0provides tools for accomplishing robust work with GIS data in a three-dimensional (3D) context. It allows you to create and conduct 3D analysis using many types of 3D data, such as 3D points, 3D lines, 3D polygons, point clouds, multipatches, TINs, terrain datasets, and rasters. You can create, import, and convert 3D data between different formats, and analyze surfaces and 3D feature data together to better understand your environment in a 3D context.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li>\u00a0 \u00a0<span class=\"TextRun SCXW45928714 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW45928714 BCX0\" data-ccp-charstyle=\"normaltextrun\" data-ccp-charstyle-defn=\"{&quot;ObjectId&quot;:&quot;262297c8-a8d5-4e45-96f4-2e8eec14086b|75&quot;,&quot;ClassId&quot;:1073872969,&quot;Properties&quot;:[469777841,&quot;Times New Roman&quot;,469777842,&quot;Times New Roman&quot;,469777843,&quot;Times New Roman&quot;,469777844,&quot;Times New Roman&quot;,469769226,&quot;Times New Roman&quot;,469775450,&quot;normaltextrun&quot;,201340122,&quot;1&quot;,134233614,&quot;true&quot;,469778129,&quot;normaltextrun&quot;,335572020,&quot;1&quot;,469778324,&quot;Default Paragraph Font&quot;]}\">What is a DEM (digital elevation model)?<\/span><\/span><span class=\"EOP SCXW45928714 BCX0\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\">\u00a0<\/span>\n<ul>\n<li>The ground, or bare earth, contains only the topography and is frequently called a digital elevation model (DEM). These surface models have many uses in GIS, which can include to help you understand surface change over time, model water flow for hydrology, visualize a surface model in 3D, understand impacts of movement of land, conduct viewshed analysis or provide cut-and-fill analysis.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li><span class=\"TextRun SCXW241745623 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW241745623 BCX0\">What extension do I need to classify lidar?<\/span><\/span><span class=\"EOP SCXW241745623 BCX0\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\">\u00a0<\/span>\n<ul>\n<li>ArcGIS 3D Analyst extension.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li>What tools do I use to classify lidar in ArcGIS Pro?\n<ul>\n<li>Yes, two broad methods will help you classify lidar for various targets. First, the <a href=\"https:\/\/pro.arcgis.com\/en\/pro-app\/latest\/tool-reference\/3d-analyst\/change-las-class-codes.htm\">Point Cloud Classification toolset<\/a> lets you classify common targets like Ground, Noise, Vegetation, and Buildings. If a more specific classification needs to be performed, for example, power lines, street furniture, or interior building scans, then try out the Point Cloud Deep Learning tools.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li>What is a LAS dataset?\n<ul>\n<li>A\u00a0<a class=\"xref xref\" href=\"https:\/\/pro.arcgis.com\/en\/pro-app\/3.3\/help\/data\/las-dataset\/what-is-a-las-dataset-.htm\">LAS dataset<\/a>\u00a0references a collection of LAS point cloud files (<span class=\"usertext\">.las<\/span>) and, optional surface constraints. A LAS dataset can be visualized as points or as a TIN surface model. LAS datasets are stored as files using the\u00a0<span class=\"usertext\">.lasd<\/span>\u00a0extension. Surface constraints are breaklines, water polygons, area boundaries, or any other type of surface feature enforced in the LAS dataset.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li><span class=\"TextRun SCXW200910093 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW200910093 BCX0\" data-ccp-charstyle=\"normaltextrun\" data-ccp-charstyle-defn=\"{&quot;ObjectId&quot;:&quot;262297c8-a8d5-4e45-96f4-2e8eec14086b|75&quot;,&quot;ClassId&quot;:1073872969,&quot;Properties&quot;:[469777841,&quot;Times New Roman&quot;,469777842,&quot;Times New Roman&quot;,469777843,&quot;Times New Roman&quot;,469777844,&quot;Times New Roman&quot;,469769226,&quot;Times New Roman&quot;,469775450,&quot;normaltextrun&quot;,201340122,&quot;1&quot;,134233614,&quot;true&quot;,469778129,&quot;normaltextrun&quot;,335572020,&quot;1&quot;,469778324,&quot;Default Paragraph Font&quot;]}\">Do we offer a free trial of 3D Analyst?<\/span><span class=\"NormalTextRun SCXW200910093 BCX0\" data-ccp-charstyle=\"eop\" data-ccp-charstyle-defn=\"{&quot;ObjectId&quot;:&quot;262297c8-a8d5-4e45-96f4-2e8eec14086b|74&quot;,&quot;ClassId&quot;:1073872969,&quot;Properties&quot;:[469777841,&quot;Times New Roman&quot;,469777842,&quot;Times New Roman&quot;,469777843,&quot;Times New Roman&quot;,469777844,&quot;Times New Roman&quot;,469769226,&quot;Times New Roman&quot;,469775450,&quot;eop&quot;,201340122,&quot;1&quot;,134233614,&quot;true&quot;,469778129,&quot;eop&quot;,335572020,&quot;1&quot;,469778324,&quot;Default Paragraph Font&quot;]}\">\u202f<\/span><\/span><span class=\"EOP SCXW200910093 BCX0\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\">\u00a0<\/span>\n<ul>\n<li>Yes, you can get a <a href=\"https:\/\/www.esri.com\/en-us\/arcgis\/products\/arcgis-pro\/trial\">free 21 days trail of ArcGIS Pro<\/a>, which includes 3D Analyst.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li>How do I improve the display speed of my lidar in ArcGIS Pro?\n<ul>\n<li>\u00a0We recommend building pyramids on your LAS Datasets to improve the display speed. If you would like more information on Las Dataset Pyramids, you can see our document <a href=\"https:\/\/pro.arcgis.com\/en\/pro-app\/latest\/help\/data\/las-dataset\/las-dataset-pyramids.htm\">here<\/a>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li>What\u2019s the recommendation for storing lidar?\n<ul>\n<li>Where to store your lidar is a common question that doesn\u2019t have just one answer. We recommend <a href=\"https:\/\/pro.arcgis.com\/en\/pro-app\/latest\/help\/data\/las-dataset\/storing-lidar-data.htm\">reviewing our documentation<\/a> to understand what storage method best fits your needs.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li>What is a Terrain Dataset?\n<ul>\n<li>\u00a0Terrain datasets are TIN-based, multiresolution surfaces created from surveyed measurements stored in feature classes. A Terrain could be made from a combination of point clouds; GIS features like; breaklines, waterbodies, and road networks.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<ul>\n<li>\u00a0What is a Multipatch?\n<ul>\n<li>A multipatch is a type of geometry in ArcGIS designed to represent the shell of a 3D object. Multipatches are composed from a series of patches that store geometry, color, transparency, and texture information. The geometry the patch stores may be a ring, triangle, triangle strip, or triangle fan. The shell these patches form might represent a completely enclosed feature, such as a sphere, or an open feature, such as a sloped roof. Multipatches may be used as 3D symbols to represent points or stored in a feature class with attributes. Multipatches are commonly used to store geotypical 3D symbols such as trees, street lamps, and park benches, as well as geospecific features such as buildings, bridges, and subsurface geologic formations.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n"}],"related_articles":"","card_image":false,"wide_image":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>3D Analyst FAQs<\/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.esri.com\/arcgis-blog\/products\/arcgis-pro\/3d-gis\/3d-analyst-faqs\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3D Analyst FAQs\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/3d-gis\/3d-analyst-faqs\" \/>\n<meta property=\"og:site_name\" content=\"ArcGIS Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/esrigis\/\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-10T17:43:05+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@ESRI\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/3d-gis\/3d-analyst-faqs#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/3d-gis\/3d-analyst-faqs\"},\"author\":{\"name\":\"Lindsay Weitz\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/762e5e6424d478180c9b7c576c9df8f5\"},\"headline\":\"3D Analyst FAQs\",\"datePublished\":\"2024-06-28T17:11:05+00:00\",\"dateModified\":\"2024-07-10T17:43:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-pro\/3d-gis\/3d-analyst-faqs\"},\"wordCount\":3,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#organization\"},\"keywords\":[\"3D Analysis\",\"3D Analyst\",\"3D GIS\"],\"articleSection\":[\"3D Visualization &amp; 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