{"id":1734352,"date":"2022-10-17T05:33:21","date_gmt":"2022-10-17T12:33:21","guid":{"rendered":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&#038;p=1734352"},"modified":"2022-10-18T13:57:39","modified_gmt":"2022-10-18T20:57:39","slug":"create-a-clipping-mask-in-arcgis-onlines-map-viewer","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/create-a-clipping-mask-in-arcgis-onlines-map-viewer","title":{"rendered":"Create a clipping mask in ArcGIS Online&#8217;s Map Viewer"},"author":6971,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[22941],"tags":[720281,26451,80952,31931],"industry":[],"product":[36551],"class_list":["post-1734352","blog","type-blog","status-publish","format-standard","hentry","category-mapping","tag-blend-modes","tag-cartography","tag-effects","tag-hack","product-arcgis-online"],"acf":{"short_description":"Here's how you can trick a group and a blend mode into becoming a clipping mask for your web map!","flexible_content":[{"acf_fc_layout":"content","content":"<p>Highlighting your map&#8217;s area of interest is often job one for a map. If not job one, then at least job three or four. And that&#8217;s still a pretty high priority. Here&#8217;s how you can trick an unsuspecting group of layers into becoming a clipping mask in the ArcGIS Online <a href=\"https:\/\/arcgis.com\/apps\/mapviewer\/index.html\" target=\"_blank\" rel=\"noopener\">Map Viewer<\/a>&#8230;<\/p>\n"},{"acf_fc_layout":"youtube","start_time":"0","end_time":"","youtube_video_url":"<iframe title=\"How to Make a Clipping Mask in ArcGIS Online\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/svVrVehM29Q?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>"},{"acf_fc_layout":"content","content":"<p>No time for videos? I get it. Here&#8217;s the rundown&#8230;<\/p>\n<ul>\n<li>Pick a basemap (this will be what appears as your <em>not<\/em>-area-of-interest)<\/li>\n<li>Add your interest layer<\/li>\n<li>Add a layer whose shape you want to use as a clipping mask (cookie cutter)<\/li>\n<li>Group the interest layer and the clipping layer, with the clipping layer on top<\/li>\n<li>Give the clipping layer a Destination Atop blend mode<\/li>\n<li>Profit<\/li>\n<\/ul>\n<p>Check out <a href=\"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-online\/mapping\/local-focus\" target=\"_blank\" rel=\"noopener\">this blog post<\/a> from Bern Szukalski that goes into a lot more detail and provides more examples and use cases.<\/p>\n<p>Are you more programmatically inclined? The geniuses on the ArcGIS for JavaScript show you how to do it that way in <a href=\"https:\/\/developers.arcgis.com\/javascript\/latest\/sample-code\/effect-blur-shadow\/\" target=\"_blank\" rel=\"noopener\">this code sample<\/a>. Whichever way you prefer, you will be masking and clipping and area-of-interesting your way right to the top.<\/p>\n<p>Happy Masking! <a href=\"https:\/\/www.youtube.com\/c\/JohnNelsonMaps\" target=\"_blank\" rel=\"noopener\">John<\/a><\/p>\n"}],"authors":[{"ID":6971,"user_firstname":"John","user_lastname":"Nelson","nickname":"John Nelson","user_nicename":"j_nelson","display_name":"John Nelson","user_email":"John_Nelson@esri.com","user_url":"http:\/\/www.adventuresinmapping.com","user_registered":"2018-03-02 00:19:05","user_description":"I have far too much fun looking for ways to understand and present data visually, hopefully driving product strategy and engaging users. I work in the ArcGIS Living Atlas team at Esri, pushing and pulling data in all sorts of absurd ways and then sharing the process. I also design user experiences for maps and apps.\r\nWhen I'm not doing those things, I'm chasing around toddlers and wrangling chickens, and generally getting into other ad-hoc adventures. Life is good.\r\nYou might also like these Styles for ArcGIS Pro: esriurl.com\/nelsonstyles","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/04\/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\/2022\/10\/MaskingInAGO_Card.jpg","wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/10\/MaskingInAGO_Banner.jpg"},"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>Create a clipping mask in ArcGIS Online&#039;s Map Viewer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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I work in the ArcGIS Living Atlas team at Esri, pushing and pulling data in all sorts of absurd ways and then sharing the process. I also design user experiences for maps and apps. When I'm not doing those things, I'm chasing around toddlers and wrangling chickens, and generally getting into other ad-hoc adventures. Life is good. You might also like these Styles for ArcGIS Pro: esriurl.com\/nelsonstyles","sameAs":["http:\/\/www.adventuresinmapping.com","https:\/\/www.instagram.com\/johnmnelson\/","www.linkedin.com\/in\/johnmnelson","https:\/\/x.com\/john_m_nelson","https:\/\/www.youtube.com\/JohnNelsonMaps"],"url":"https:\/\/www.esri.com\/arcgis-blog\/author\/j_nelson"}]}},"text_date":"October 17, 2022","author_name":"John Nelson","author_page":"https:\/\/www.esri.com\/arcgis-blog\/author\/j_nelson","custom_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/10\/MaskingInAGO_Banner.jpg","primary_product":"ArcGIS Online","tag_data":[{"term_id":720281,"name":"blend modes","slug":"blend-modes","term_group":0,"term_taxonomy_id":720281,"taxonomy":"post_tag","description":"","parent":0,"count":33,"filter":"raw"},{"term_id":26451,"name":"cartography","slug":"cartography","term_group":0,"term_taxonomy_id":26451,"taxonomy":"post_tag","description":"","parent":0,"count":558,"filter":"raw"},{"term_id":80952,"name":"effects","slug":"effects","term_group":0,"term_taxonomy_id":80952,"taxonomy":"post_tag","description":"","parent":0,"count":29,"filter":"raw"},{"term_id":31931,"name":"Hack","slug":"hack","term_group":0,"term_taxonomy_id":31931,"taxonomy":"post_tag","description":"","parent":0,"count":23,"filter":"raw"}],"category_data":[{"term_id":22941,"name":"Mapping","slug":"mapping","term_group":0,"term_taxonomy_id":22941,"taxonomy":"category","description":"","parent":0,"count":2690,"filter":"raw"}],"product_data":[{"term_id":36551,"name":"ArcGIS Online","slug":"arcgis-online","term_group":0,"term_taxonomy_id":36551,"taxonomy":"product","description":"","parent":0,"count":2427,"filter":"raw"}],"primary_product_link":"https:\/\/www.esri.com\/arcgis-blog\/?s=#&products=arcgis-online","_links":{"self":[{"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/blog\/1734352","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\/6971"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/comments?post=1734352"}],"version-history":[{"count":0,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/blog\/1734352\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/media?parent=1734352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/categories?post=1734352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/tags?post=1734352"},{"taxonomy":"industry","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/industry?post=1734352"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.esri.com\/arcgis-blog\/wp-json\/wp\/v2\/product?post=1734352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}