{"id":1812660,"date":"2023-02-15T10:42:05","date_gmt":"2023-02-15T15:42:05","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1812660"},"modified":"2023-02-15T10:42:05","modified_gmt":"2023-02-15T15:42:05","slug":"in-praise-of-dot-grid-maps","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2023\/02\/in-praise-of-dot-grid-maps\/","title":{"rendered":"In Praise of Dot Grid Maps"},"content":{"rendered":"
\"Screenshot\"<\/a>
Historical FEWS NET Data<\/figcaption><\/figure>\n

Mikel Maron is a fan of dot grid maps<\/a>:<\/p>\n

Dot grids are a clear, informative, multidimensional and flexible cartographic technique. They effectively leverage patterns of human perception to present information dense but readily comprehensible maps. Compared to choropleth maps, dots retain the base map context, and invite us to fill in the gaps. They emphasize the limits of data sampling. Dot grids can be joined together across different boundaries flexibly. The density of a dot grid can be varied depending on the scale. And that visual regularity … it just looks so cool.<\/p><\/blockquote>\n

He offers some examples of dot grid maps from his work at Earth Genome (see e.g above), and elsewhere, and gives some history of the format.<\/p>\n","protected":false},"excerpt":{"rendered":"

Mikel Maron is a fan of dot grid maps: Dot grids are a clear, informative, multidimensional and flexible cartographic technique. They effectively leverage patterns of human perception to present information dense but readily comprehensible maps.… More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"link","meta":{"autoblue_enabled":true,"autoblue_custom_message":"","autoblue_shares":[],"autoblue_post_url":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[29],"tags":[1610],"class_list":["post-1812660","post","type-post","status-publish","format-link","hentry","category-cartography","tag-dot-grid-maps","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1785055,"url":"https:\/\/www.maproomblog.com\/2018\/02\/dot-density-maps-of-belgium\/","url_meta":{"origin":1812660,"position":0},"title":"Dot Density Maps of Belgium","author":"Jonathan Crowe","date":"23 February 2018","format":"link","excerpt":"Maarten Lambrechts discusses how to make a dot density population map, in technical detail. He uses QGIS to process data for his home country of Belgium. The map above is one result (he also zoomed in on Brussels).","rel":"","context":"In "GIS"","block_context":{"text":"GIS","link":"https:\/\/www.maproomblog.com\/category\/gis\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/02\/lambrechts-belgium-1024x724.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/02\/lambrechts-belgium-1024x724.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/02\/lambrechts-belgium-1024x724.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/02\/lambrechts-belgium-1024x724.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1807200,"url":"https:\/\/www.maproomblog.com\/2022\/05\/one-racial-dot-map-closes-several-new-ones-appear\/","url_meta":{"origin":1812660,"position":1},"title":"One Racial Dot Map Closes, Several New Ones Appear","author":"Jonathan Crowe","date":"5 May 2022","format":"link","excerpt":"Maps Mania reported last month that the University of Virginia\u2019s Racial Dot Map has been taken offline. The proximate causes: the 2020 census, which rendered the map obsolete (it was based on 2010) data; the increased complexity of the 2020 census\u2019s racial data (more people IDing as multiracial or other);\u2026","rel":"","context":"In "Human Geography"","block_context":{"text":"Human Geography","link":"https:\/\/www.maproomblog.com\/category\/human-geography\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1785085,"url":"https:\/\/www.maproomblog.com\/2018\/03\/kenneth-fields-dot-density-election-map\/","url_meta":{"origin":1812660,"position":2},"title":"Kenneth Field’s Dot Density Election Map","author":"Jonathan Crowe","date":"8 March 2018","format":"link","excerpt":"Earlier this week, Kenneth Field posted a quick-and-dirty dasymetric dot density map of the 2016 U.S. presidential election results to Twitter. It quickly went viral. In a subsequent blog post, he goes into some detail about the process of making the map. \"The screengrab was quick and dirty and while\u2026","rel":"","context":"In "Politics"","block_context":{"text":"Politics","link":"https:\/\/www.maproomblog.com\/category\/politics\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/03\/field-dasymetric-dot-density-2016-us-election.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/03\/field-dasymetric-dot-density-2016-us-election.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/03\/field-dasymetric-dot-density-2016-us-election.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/03\/field-dasymetric-dot-density-2016-us-election.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1790213,"url":"https:\/\/www.maproomblog.com\/2021\/02\/field-releases-dot-density-map-for-the-2020-u-s-presidential-election\/","url_meta":{"origin":1812660,"position":3},"title":"Field Releases Dot Density Map for the 2020 U.S. Presidential Election","author":"Jonathan Crowe","date":"23 February 2021","format":"link","excerpt":"Kenneth Field has released a dasymetric dot density map of the 2020 U.S. presidential election results. One dot equals one vote. \u201cData at a county level has been reapportioned to urban areas. Dots are positioned randomly.\u201d It\u2019s in the same vein as his 2016 map, which went all kinds of\u2026","rel":"","context":"In "Politics"","block_context":{"text":"Politics","link":"https:\/\/www.maproomblog.com\/category\/politics\/"},"img":{"alt_text":" Dasymetric dot density poster of the 2020 US Presidential election","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/02\/field-election-2020-dot-density-1024x682.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/02\/field-election-2020-dot-density-1024x682.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/02\/field-election-2020-dot-density-1024x682.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/02\/field-election-2020-dot-density-1024x682.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":1785417,"url":"https:\/\/www.maproomblog.com\/2018\/04\/kenneth-fields-dot-density-election-map-redux\/","url_meta":{"origin":1812660,"position":4},"title":"Kenneth Field’s Dot Density Election Map Redux","author":"Jonathan Crowe","date":"20 April 2018","format":"link","excerpt":"As promised, Kenneth Field has uploaded the final web version of the quick-and-dirty dasymetric dot density map of the 2016 U.S. presidential election results, which he posted to Twitter last month. Unlike the quick-and-dirty version, the final version is in high resolution and can be zoomed in to quite a\u2026","rel":"","context":"In "Politics"","block_context":{"text":"Politics","link":"https:\/\/www.maproomblog.com\/category\/politics\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/04\/field-dasymetric-dot-density-2016-us-election-final-1024x717.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/04\/field-dasymetric-dot-density-2016-us-election-final-1024x717.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/04\/field-dasymetric-dot-density-2016-us-election-final-1024x717.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2018\/04\/field-dasymetric-dot-density-2016-us-election-final-1024x717.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1787936,"url":"https:\/\/www.maproomblog.com\/2019\/10\/more-canadian-election-maps\/","url_meta":{"origin":1812660,"position":5},"title":"More Canadian Election Maps","author":"Jonathan Crowe","date":"25 October 2019","format":"link","excerpt":"https:\/\/twitter.com\/kennethfield\/status\/1187093377231314947 I hit \u201cPublish\u201d too soon last night. Kenneth Field and Craig Williams put together a series of maps showing the Canadian election results in a number of different ways: we have a value-by-alpha map, a proportional symbol map, and two kinds of dot density maps: one showing the winners,\u2026","rel":"","context":"In "Politics"","block_context":{"text":"Politics","link":"https:\/\/www.maproomblog.com\/category\/politics\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1812660","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/comments?post=1812660"}],"version-history":[{"count":3,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1812660\/revisions"}],"predecessor-version":[{"id":1812664,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1812660\/revisions\/1812664"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1812660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1812660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1812660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}