{"id":123251,"date":"2018-03-06T13:24:21","date_gmt":"2018-03-06T13:24:21","guid":{"rendered":"http:\/\/www.esri.com\/arcgis-blog\/products\/product\/uncategorized\/airbus-worlddem4ortho-in-esri-3d-elevation-services\/"},"modified":"2024-06-11T13:07:26","modified_gmt":"2024-06-11T20:07:26","slug":"airbus-worlddem4ortho-in-esri-3d-elevation-services","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/3d-gis\/airbus-worlddem4ortho-in-esri-3d-elevation-services","title":{"rendered":"Airbus WorldDEM4Ortho in Esri 3D elevation services"},"author":4501,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[23771,22941],"tags":[22981,26861,40171,40191,35651],"industry":[],"product":[36781,36731,36571,36581,36551,36561,36601],"class_list":["post-123251","blog","type-blog","status-publish","format-standard","hentry","category-3d-gis","category-mapping","tag-community-maps","tag-terrain-3d","tag-topobathy-3d","tag-world-elevation-services","tag-worlddem4ortho","product-city-engine","product-arcgis-earth","product-arcgis-enterprise","product-arcgis-living-atlas","product-arcgis-online","product-arcgis-pro","product-developers"],"acf":{"short_description":"Esri 3D elevation layers have been enhanced with Airbus WorldDEM4Ortho, bringing more realistic visualizations to urban areas.","flexible_content":[{"acf_fc_layout":"content","content":"<p>Elevation surface provides foundational layer for your work in 3D.\u00a0ArcGIS 3D clients such as ArcGIS Pro, ArcGIS Online\u00a0<a href=\"http:\/\/www.arcgis.com\/home\/webscene\/viewer.html\" target=\"_blank\" rel=\"noopener\">Web Scene Viewer<\/a>, and\u00a0<a href=\"http:\/\/www.esri.com\/software\/arcgis-earth\" target=\"_blank\" rel=\"noopener\">ArcGIS Earth<\/a> comes with a default elevation layer &#8211; <a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=7029fb60158543ad845c7e1527af11e4\" target=\"_blank\" rel=\"noopener\">Terrain 3D<\/a>. \u00a0Along with this default elevation layer, <a href=\"https:\/\/livingatlas.arcgis.com\/en\/\" target=\"_blank\" rel=\"noopener\">ArcGIS Living Atlas of the World<\/a> also provides <a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=0c69ba5a5d254118841d43f03aa3e97d\" target=\"_blank\" rel=\"noopener\">TopoBathy 3D<\/a>, which combines topography (land elevation) and bathymetry (water depths) into one seamless layer. Terrain 3D and TopoBathy 3D are tiled elevation services that uses the LERC (Limited Error Raster Compression) tile format and are derived from World Elevation <a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=58a541efc59545e6b7137f961d7de883\" target=\"_blank\" rel=\"noopener\">Terrain<\/a> and <a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=c753e5bfadb54d46b69c3e68922483bc\" target=\"_blank\" rel=\"noopener\">TopoBathy<\/a> respectively.<\/p>\n<p>A few weeks ago <a href=\"https:\/\/blogs.esri.com\/esri\/arcgis\/2018\/01\/22\/airbus-worlddem4ortho-in-esri-world-elevation-services-and-tools\/\" target=\"_blank\" rel=\"noopener\">World Elevation layers (Terrain &amp; TopoBathy) and Tools<\/a> were enhanced with <a href=\"https:\/\/www.airbus.com\/en\/newsroom\/press-releases\/2017-07-airbus-releases-worlddem4ortho-the-most-accurate-elevation-model\" target=\"_blank\" rel=\"noopener\">Airbus WorldDEM4Ortho<\/a>. These updates are now rolled out to 3D elevation layers (<a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=7029fb60158543ad845c7e1527af11e4\" target=\"_blank\" rel=\"noopener\">Terrain 3D<\/a> and <a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=0c69ba5a5d254118841d43f03aa3e97d\" target=\"_blank\" rel=\"noopener\">TopoBathy 3D<\/a>). Airbus WorldDEM4Ortho is a global dataset covering the entire earth\u2019s land surface (excluding the countries of Azerbaijan, DR Congo and Ukraine), which\u00a0has a resolution of 0.8 arc second (approx. 24 meters). It brings many quality improvements especially over urban areas in Europe, Asia, Africa and South America, which were previously using SRTM 30 m dataset.<\/p>\n<p>SRTM is a digital surface model (DSM), which represents elevation values of the natural and built features on the earth surface such as buildings, vegetation, etc. Due to its DSM nature and coarser resolution, urban areas especially with dense and high rise buildings appear to have small hills or undulating surface. When you overlay 3D buildings\/objects on this undulating surface, it seems to be either sinking or floating on the ground. In Airbus WorldDEM4Ortho, urban areas are flattened to give DTM-like product thus\u00a0providing much better surface than SRTM 30 m. Let&#8217;s see a few examples showing improvements over urban areas in before and after comparisons.<\/p>\n<p style=\"text-align: center\"><span style=\"color: #888888\"><em>Auckland, New Zealand \u2013 3D buildings are now sitting nicely on flat ground surface (WorldDEM4Ortho 24 m) in comparison to previously undulating surface (SRTM 30 m) where buildings seem to be sinking in the ground.<\/em><\/span><\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/03\/Auckland_Bldgs_T3D_SRTM_Airbus.gif\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-101779\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/03\/Auckland_Bldgs_T3D_SRTM_Airbus.gif\" alt=\"Auckland 3D buildings overlaid on elevation surface\" width=\"1120\" height=\"700\" \/><\/a><\/p>\n<p style=\"text-align: center\"><span style=\"color: #888888\"><em>Berlin, Germany \u2013 3D buildings are now sitting nicely on flat surface of WorldDEM4Ortho 24 m (after) in comparison to undulating surface of SRTM 30 m (before).<\/em><\/span><\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/03\/Berlin_blgs_T3D_SRTM_Airbus.gif\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-101780\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/03\/Berlin_blgs_T3D_SRTM_Airbus.gif\" alt=\"Berlin 3D buildings overlaid on elevation surface\" width=\"1120\" height=\"700\" \/><\/a><\/p>\n<p>Esri will keep improving the World Elevation Layers, Tools and derived information products with high resolution content from open sources and community maps for elevation program. You can look at the current data sources used by checking our <a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=3af669838f594b378f90c10f98e46a7f\" target=\"_blank\" rel=\"noopener\">Elevation Coverage Map<\/a>. If your organization has better elevation content that they can contribute, then check our <a href=\"https:\/\/livingatlas.arcgis.com\/en\/participate\/#v=community&amp;subTab=what-to-contribute&amp;section=landelevation\" target=\"_blank\" rel=\"noopener\">Community Maps for Elevation<\/a> program to get in touch.<\/p>\n<p>If you are interested in learning more about various elevation information products in the ArcGIS Living Atlas, then take a tour with this <a href=\"https:\/\/mappingteam.maps.arcgis.com\/apps\/MapJournal\/index.html?appid=53b01c3337244f19a013adf88af97f0c\" target=\"_blank\" rel=\"noopener\">elevation story map<\/a>.<\/p>\n"}],"authors":[{"ID":4501,"user_firstname":"Rajinder","user_lastname":"Nagi","nickname":"Rajinder Nagi","user_nicename":"rajnagi","display_name":"Rajinder Nagi","user_email":"rnagi@esri.com","user_url":"","user_registered":"2018-03-02 00:16:05","user_description":"Rajinder has more than 20 years of experience in GIS and Remote Sensing. In his current role, he leads the community elevation program at Esri and has wide experience in cartographic visualization, image processing, databases and geo-processing. Rajinder has developed a multi-directional hillshade (esriurl.com\/NextGenHillshade) algorithm to improve terrain visualization in Esri basemaps. He has also developed a fusion technique (esriurl.com\/NAGIfusion) which maintains details and colors when integrating colored rasters with hillshades. Rajinder holds a Master of Science degree in Geoinformatics and a Bachelor of Science degree in Urban &amp; Regional Planning.","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/04\/RNagi_Profile.jpg' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"}],"related_articles":"","card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/03\/Berlin_blgs_T3D_Airbus_Card.jpg","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>Airbus WorldDEM4Ortho in Esri 3D elevation services<\/title>\n<meta name=\"description\" content=\"3D elevation layers have been enhanced with Airbus WorldDEM4Ortho, bringing more realistic visualizations to urban areas.\" \/>\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-living-atlas\/3d-gis\/airbus-worlddem4ortho-in-esri-3d-elevation-services\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Airbus WorldDEM4Ortho in Esri 3D elevation services\" \/>\n<meta property=\"og:description\" content=\"3D elevation layers have been enhanced with Airbus WorldDEM4Ortho, bringing more realistic visualizations to urban areas.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/3d-gis\/airbus-worlddem4ortho-in-esri-3d-elevation-services\" \/>\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=\"2024-06-11T20:07:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/03\/Auckland_Bldgs_T3D_SRTM_Airbus.gif\" \/>\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-living-atlas\/3d-gis\/airbus-worlddem4ortho-in-esri-3d-elevation-services#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/3d-gis\/airbus-worlddem4ortho-in-esri-3d-elevation-services\"},\"author\":{\"name\":\"Rajinder Nagi\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/4f706ee748032636c1b90bc7bcf8c503\"},\"headline\":\"Airbus WorldDEM4Ortho in Esri 3D elevation services\",\"datePublished\":\"2018-03-06T13:24:21+00:00\",\"dateModified\":\"2024-06-11T20:07:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/3d-gis\/airbus-worlddem4ortho-in-esri-3d-elevation-services\"},\"wordCount\":444,\"publisher\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/3d-gis\/airbus-worlddem4ortho-in-esri-3d-elevation-services#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/03\/Auckland_Bldgs_T3D_SRTM_Airbus.gif\",\"keywords\":[\"Community Maps\",\"Terrain 3D\",\"TopoBathy 3D\",\"World Elevation Services\",\"WorldDEM4Ortho\"],\"articleSection\":[\"3D Visualization &amp; 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