{"id":175731,"date":"2011-07-26T20:28:17","date_gmt":"2011-07-26T20:28:17","guid":{"rendered":"http:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&#038;p=175731"},"modified":"2018-12-18T11:08:48","modified_gmt":"2018-12-18T19:08:48","slug":"image-analysis-window-what-is-dra","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra","title":{"rendered":"Image Analysis window: What is DRA?"},"author":4061,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[22931],"tags":[24651,23011,37671,29541],"industry":[],"product":[36991],"class_list":["post-175731","blog","type-blog","status-publish","format-standard","hentry","category-imagery","tag-image-analysis","tag-raster","tag-raster-data","tag-rendering","product-arcgis-desktop"],"acf":{"short_description":"Dynamic range adjustment is a contrast stretch that is only stretches the pixel values","flexible_content":[{"acf_fc_layout":"content","content":"<p><b>What is DRA?<\/b><br \/>\nDRA stands for dynamic range adjustment. Dynamic range adjustment is a contrast stretch that is only stretches the pixel values within the display extent \u2013 not using all the pixels in the raster dataset.\u00a0 This allows you to focus on a<\/p>\n<p><a href=\"http:\/\/downloads2.esri.com\/blogs\/images\/dev_24795.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/downloads2.esri.com\/blogs\/images\/dev_24795.jpg\" width=\"172\" height=\"424\" border=\"0\" \/><\/a><\/p>\n<p><b>Is DRA New?<\/b><br \/>\nDRA is not new to ArcGIS 10, but it is now easily accessible via the Image Analysis window.\u00a0 In previous version of ArcGIS, DRA was known as statistics from current display extent, within the Symbology tab.<\/p>\n<p>To learn more about\u00a0<a title=\"DRA\" href=\"http:\/\/help.arcgis.com\/en\/arcgisdesktop\/10.0\/help\/index.html#\/\/009t00000086000000\" target=\"_blank\" rel=\"noopener\">Enhancing rasters based on the values in the display<\/a>.<\/p>\n"}],"authors":[{"ID":4061,"user_firstname":"Simon","user_lastname":"Woo","nickname":"Simon Woo","user_nicename":"simo3919","display_name":"Simon W","user_email":"swoo@esri.com","user_url":"","user_registered":"2018-03-02 00:15:40","user_description":"Simon is an Esri product engineer on the Raster team. He works mainly with Pixel Editor, raster visualization, georeferencing, and documentation.","user_avatar":"<img alt='' src='https:\/\/secure.gravatar.com\/avatar\/284f5c139a24b4d63be933eebce2580a4a5dc93d4c09b375bd1d2368019e8748?s=96&#038;d=blank&#038;r=g' srcset='https:\/\/secure.gravatar.com\/avatar\/284f5c139a24b4d63be933eebce2580a4a5dc93d4c09b375bd1d2368019e8748?s=192&#038;d=blank&#038;r=g 2x' class='avatar avatar-96 photo' height='96' width='96' loading='lazy' decoding='async'\/>"}],"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>Image Analysis window: What is DRA?<\/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-desktop\/imagery\/image-analysis-window-what-is-dra\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Image Analysis window: What is DRA?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra\" \/>\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=\"2018-12-18T19:08:48+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\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra\"},\"author\":{\"name\":\"Simon W\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/6f650fb8cda0894dd6401d333dcdcb64\"},\"headline\":\"Image Analysis window: What is DRA?\",\"datePublished\":\"2011-07-26T20:28:17+00:00\",\"dateModified\":\"2018-12-18T19:08:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra\"},\"wordCount\":6,\"publisher\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#organization\"},\"keywords\":[\"image analysis\",\"raster\",\"raster data\",\"rendering\"],\"articleSection\":[\"Imagery &amp; Remote Sensing\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra\",\"url\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra\",\"name\":\"Image Analysis window: What is DRA?\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#website\"},\"datePublished\":\"2011-07-26T20:28:17+00:00\",\"dateModified\":\"2018-12-18T19:08:48+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.esri.com\/arcgis-blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Image Analysis window: What is DRA?\"}]},{\"@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\/6f650fb8cda0894dd6401d333dcdcb64\",\"name\":\"Simon W\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/284f5c139a24b4d63be933eebce2580a4a5dc93d4c09b375bd1d2368019e8748?s=96&d=blank&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/284f5c139a24b4d63be933eebce2580a4a5dc93d4c09b375bd1d2368019e8748?s=96&d=blank&r=g\",\"caption\":\"Simon W\"},\"description\":\"Simon is an Esri product engineer on the Raster team. He works mainly with Pixel Editor, raster visualization, georeferencing, and documentation.\",\"url\":\"\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Image Analysis window: What is DRA?","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\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra","og_locale":"en_US","og_type":"article","og_title":"Image Analysis window: What is DRA?","og_url":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra","og_site_name":"ArcGIS Blog","article_publisher":"https:\/\/www.facebook.com\/esrigis\/","article_modified_time":"2018-12-18T19:08:48+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\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra#article","isPartOf":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra"},"author":{"name":"Simon W","@id":"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/6f650fb8cda0894dd6401d333dcdcb64"},"headline":"Image Analysis window: What is DRA?","datePublished":"2011-07-26T20:28:17+00:00","dateModified":"2018-12-18T19:08:48+00:00","mainEntityOfPage":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra"},"wordCount":6,"publisher":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/#organization"},"keywords":["image analysis","raster","raster data","rendering"],"articleSection":["Imagery &amp; Remote Sensing"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra","url":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra","name":"Image Analysis window: What is DRA?","isPartOf":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/#website"},"datePublished":"2011-07-26T20:28:17+00:00","dateModified":"2018-12-18T19:08:48+00:00","breadcrumb":{"@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/imagery\/image-analysis-window-what-is-dra#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.esri.com\/arcgis-blog\/"},{"@type":"ListItem","position":2,"name":"Image Analysis window: What is DRA?"}]},{"@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\/6f650fb8cda0894dd6401d333dcdcb64","name":"Simon W","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/284f5c139a24b4d63be933eebce2580a4a5dc93d4c09b375bd1d2368019e8748?s=96&d=blank&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/284f5c139a24b4d63be933eebce2580a4a5dc93d4c09b375bd1d2368019e8748?s=96&d=blank&r=g","caption":"Simon W"},"description":"Simon is an Esri product engineer on the Raster team. He works mainly with Pixel Editor, raster visualization, georeferencing, and documentation.","url":""}]}},"text_date":"July 26, 2011","author_name":"Simon W","author_page":false,"custom_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2025\/08\/Newsroom-Keyart-Wide-1920-x-1080.jpg","primary_product":"ArcMap","tag_data":[{"term_id":24651,"name":"image analysis","slug":"image-analysis","term_group":0,"term_taxonomy_id":24651,"taxonomy":"post_tag","description":"","parent":0,"count":29,"filter":"raw"},{"term_id":23011,"name":"raster","slug":"raster","term_group":0,"term_taxonomy_id":23011,"taxonomy":"post_tag","description":"","parent":0,"count":147,"filter":"raw"},{"term_id":37671,"name":"raster data","slug":"raster-data","term_group":0,"term_taxonomy_id":37671,"taxonomy":"post_tag","description":"","parent":0,"count":7,"filter":"raw"},{"term_id":29541,"name":"rendering","slug":"rendering","term_group":0,"term_taxonomy_id":29541,"taxonomy":"post_tag","description":"","parent":0,"count":17,"filter":"raw"}],"category_data":[{"term_id":22931,"name":"Imagery &amp; Remote Sensing","slug":"imagery","term_group":0,"term_taxonomy_id":22931,"taxonomy":"category","description":"","parent":0,"count":765,"filter":"raw"}],"product_data":[{"term_id":36991,"name":"ArcMap","slug":"arcgis-desktop","term_group":0,"term_taxonomy_id":36991,"taxonomy":"product","description":"","parent":36981,"count":325,"filter":"raw"}],"primary_product_link":"https:\/\/www.esri.com\/arcgis-blog\/?s=#&products=arcgis-desktop","_links":{"self":[{"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/blog\/175731","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\/4061"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/comments?post=175731"}],"version-history":[{"count":0,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/blog\/175731\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/media?parent=175731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/categories?post=175731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/tags?post=175731"},{"taxonomy":"industry","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/industry?post=175731"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/product?post=175731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}