{"id":66831,"date":"2015-03-18T15:13:16","date_gmt":"2015-03-18T15:13:16","guid":{"rendered":"http:\/\/www.esri.com\/arcgis-blog\/products\/product\/uncategorized\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available\/"},"modified":"2018-03-26T21:04:43","modified_gmt":"2018-03-26T21:04:43","slug":"esri-optimized-las-zlas-i-o-runtime-library-is-now-available","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available","title":{"rendered":"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available"},"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":[23771,22931],"tags":[24991,25001,25011,25021,24381],"industry":[],"product":[],"class_list":["post-66831","blog","type-blog","status-publish","format-standard","hentry","category-3d-gis","category-imagery","tag-3d-analyst","tag-3d-lidar-point-data","tag-las","tag-las-validation","tag-lidar"],"acf":{"short_description":"The zLAS I\/O Library is a C++ runtime library that provides API access for reading and writing zLAS as well as converting between zLAS an...","flexible_content":[{"acf_fc_layout":"content","content":"<p>The zLAS I\/O Library is a C++ runtime library that provides API access for reading and writing zLAS as well as converting between zLAS and LAS. It is comprised of a header file documenting the function interfaces, a lib file, and a DLL. Third party developers can use this to add support for zLAS to their applications. The library has an Apache 2.0 license which permits use and redistribution at no cost.<\/p>\n<p>The library is available on GitHub: <a href=\"https:\/\/github.com\/Esri\/esri-zlas-io-library\">https:\/\/github.com\/Esri\/esri-zlas-io-library<\/a><\/p>\n<p>See:\u00a0<a href=\"https:\/\/github.com\/Esri\/esri-zlas-io-library\/blob\/master\/Esri%20Optimized%20LAS%20FAQ.pdf\">Esri Optimized LAS (zLAS) FAQ<\/a><\/p>\n"}],"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'\/>"}]},"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>Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available<\/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\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available\" \/>\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=\"2018-03-26T21:04:43+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@ESRI\" \/>\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\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available\"},\"author\":{\"name\":\"Lindsay Weitz\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/762e5e6424d478180c9b7c576c9df8f5\"},\"headline\":\"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available\",\"datePublished\":\"2015-03-18T15:13:16+00:00\",\"dateModified\":\"2018-03-26T21:04:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available\"},\"wordCount\":11,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#organization\"},\"keywords\":[\"3D Analyst\",\"3D Lidar Point Data\",\"LAS\",\"LAS validation\",\"Lidar\"],\"articleSection\":[\"3D Visualization &amp; Analytics\",\"Imagery &amp; Remote Sensing\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available\",\"url\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available\",\"name\":\"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#website\"},\"datePublished\":\"2015-03-18T15:13:16+00:00\",\"dateModified\":\"2018-03-26T21:04:43+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.esri.com\/arcgis-blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#website\",\"url\":\"https:\/\/www.esri.com\/arcgis-blog\/\",\"name\":\"ArcGIS Blog\",\"description\":\"Get insider info from Esri product teams\",\"publisher\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.esri.com\/arcgis-blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#organization\",\"name\":\"Esri\",\"url\":\"https:\/\/www.esri.com\/arcgis-blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/04\/Esri.png\",\"contentUrl\":\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/04\/Esri.png\",\"width\":400,\"height\":400,\"caption\":\"Esri\"},\"image\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/esrigis\/\",\"https:\/\/x.com\/ESRI\",\"https:\/\/www.linkedin.com\/company\/5311\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/762e5e6424d478180c9b7c576c9df8f5\",\"name\":\"Lindsay Weitz\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2025\/01\/headshot-213x200.jpg\",\"contentUrl\":\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2025\/01\/headshot-213x200.jpg\",\"caption\":\"Lindsay Weitz\"},\"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.\",\"jobTitle\":\"Senior Software Engineer\",\"url\":\"https:\/\/www.esri.com\/arcgis-blog\/author\/lindsay27\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available","og_locale":"en_US","og_type":"article","og_title":"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available","og_url":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available","og_site_name":"ArcGIS Blog","article_publisher":"https:\/\/www.facebook.com\/esrigis\/","article_modified_time":"2018-03-26T21:04:43+00:00","twitter_card":"summary_large_image","twitter_site":"@ESRI","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["Article","BlogPosting"],"@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available#article","isPartOf":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available"},"author":{"name":"Lindsay Weitz","@id":"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/762e5e6424d478180c9b7c576c9df8f5"},"headline":"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available","datePublished":"2015-03-18T15:13:16+00:00","dateModified":"2018-03-26T21:04:43+00:00","mainEntityOfPage":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available"},"wordCount":11,"commentCount":0,"publisher":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/#organization"},"keywords":["3D Analyst","3D Lidar Point Data","LAS","LAS validation","Lidar"],"articleSection":["3D Visualization &amp; Analytics","Imagery &amp; Remote Sensing"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available","url":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available","name":"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available","isPartOf":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/#website"},"datePublished":"2015-03-18T15:13:16+00:00","dateModified":"2018-03-26T21:04:43+00:00","breadcrumb":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/product\/3d-gis\/esri-optimized-las-zlas-i-o-runtime-library-is-now-available#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.esri.com\/arcgis-blog\/"},{"@type":"ListItem","position":2,"name":"Esri Optimized LAS (zLAS) I\/O Runtime Library is Now Available"}]},{"@type":"WebSite","@id":"https:\/\/www.esri.com\/arcgis-blog\/#website","url":"https:\/\/www.esri.com\/arcgis-blog\/","name":"ArcGIS Blog","description":"Get insider info from Esri product teams","publisher":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.esri.com\/arcgis-blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.esri.com\/arcgis-blog\/#organization","name":"Esri","url":"https:\/\/www.esri.com\/arcgis-blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/04\/Esri.png","contentUrl":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/04\/Esri.png","width":400,"height":400,"caption":"Esri"},"image":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/esrigis\/","https:\/\/x.com\/ESRI","https:\/\/www.linkedin.com\/company\/5311\/"]},{"@type":"Person","@id":"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/762e5e6424d478180c9b7c576c9df8f5","name":"Lindsay Weitz","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/image\/","url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2025\/01\/headshot-213x200.jpg","contentUrl":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2025\/01\/headshot-213x200.jpg","caption":"Lindsay Weitz"},"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.","jobTitle":"Senior Software Engineer","url":"https:\/\/www.esri.com\/arcgis-blog\/author\/lindsay27"}]}},"text_date":"March 18, 2015","author_name":"Lindsay Weitz","author_page":"https:\/\/www.esri.com\/arcgis-blog\/author\/lindsay27","custom_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2025\/08\/Newsroom-Keyart-Wide-1920-x-1080.jpg","primary_product":false,"tag_data":[{"term_id":24991,"name":"3D Analyst","slug":"3d-analyst","term_group":0,"term_taxonomy_id":24991,"taxonomy":"post_tag","description":"","parent":0,"count":13,"filter":"raw"},{"term_id":25001,"name":"3D Lidar Point Data","slug":"3d-lidar-point-data","term_group":0,"term_taxonomy_id":25001,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":25011,"name":"LAS","slug":"las","term_group":0,"term_taxonomy_id":25011,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":25021,"name":"LAS validation","slug":"las-validation","term_group":0,"term_taxonomy_id":25021,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":24381,"name":"Lidar","slug":"lidar","term_group":0,"term_taxonomy_id":24381,"taxonomy":"post_tag","description":"","parent":0,"count":48,"filter":"raw"}],"category_data":[{"term_id":23771,"name":"3D Visualization &amp; Analytics","slug":"3d-gis","term_group":0,"term_taxonomy_id":23771,"taxonomy":"category","description":"","parent":0,"count":713,"filter":"raw"},{"term_id":22931,"name":"Imagery &amp; Remote Sensing","slug":"imagery","term_group":0,"term_taxonomy_id":22931,"taxonomy":"category","description":"","parent":0,"count":803,"filter":"raw"}],"product_data":[],"primary_product_link":"https:\/\/www.esri.com\/arcgis-blog\/","_links":{"self":[{"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/blog\/66831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/types\/blog"}],"author":[{"embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/users\/5371"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/comments?post=66831"}],"version-history":[{"count":0,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/blog\/66831\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/media?parent=66831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/categories?post=66831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/tags?post=66831"},{"taxonomy":"industry","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/industry?post=66831"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/product?post=66831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}