{"id":2056,"date":"2010-11-09T19:30:14","date_gmt":"2010-11-09T17:30:14","guid":{"rendered":"http:\/\/alpoma.net\/carto\/?p=2056"},"modified":"2010-11-09T19:30:14","modified_gmt":"2010-11-09T17:30:14","slug":"jugando-con-la-proyeccion-mercator","status":"publish","type":"post","link":"https:\/\/alpoma.net\/carto\/?p=2056","title":{"rendered":"Jugando con la proyecci\u00f3n Mercator"},"content":{"rendered":"<p><a href=\"http:\/\/www.flickr.com\/photos\/alpoma\/5161882882\/\" title=\"Mercator-projection by alpoma, on Flickr\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/farm5.static.flickr.com\/4013\/5161882882_8116f6fb79_m.jpg\" width=\"240\" height=\"186\" alt=\"Mercator-projection\" class=\"dch\" \/><\/a>La mayor\u00eda de la gente est\u00e1 tan acostumbrada a ver mapas realizados con la <strong><a href=\"http:\/\/es.wikipedia.org\/wiki\/Proyecci%C3%B3n_de_Mercator\">proyecci\u00f3n de Mercator<\/a><\/strong> que, cuando se topan con una muestra de los muchos otros sistemas de proyecci\u00f3n que se suelen utilizar en cartograf\u00eda, piensan que algo raro hay en ellos o que, incluso, \u00abest\u00e1n mal hechos\u00bb. Realmente la Tierra ni es como se ve en un mapa en proyecci\u00f3n de Mercator, ni de Lambert ni de Peters ni de ning\u00fan otro modo similar. S\u00f3lo se trata de <strong>representar una superficie esf\u00e9rica sobre un papel<\/strong>, cosa complicada que, para colmo, introduce \u00abdeformaciones\u00bb de la realidad no deseadas que terminan, en muchos casos, por convertirse casi en un paisaje cultural com\u00fan. <strong>\u00bfO acaso piensas que Groenlandia es tan gigantesca como se ve en algunos mapas?<\/strong> \ud83d\ude09 Para mostrar de forma ciertamente jocosa algunas de esas distorsiones,<strong> Stephen Von Worley<\/strong> ha publicado un peque\u00f1o experimento que invito a conocer a los lectores de<em> La Cartoteca<\/em>, un divertimento realmente curioso: <strong><a href=\"http:\/\/www.datapointed.net\/2010\/11\/africa-greenland-mercator-map-distortion\/\">Reverse Mercatorisms, Flip-Flopped Mercator Map Distortions<\/a><\/strong>.<\/p>\n<p>| V\u00eda <a href=\"http:\/\/www.mcwetboy.net\/maproom\/2010\/11\/reversing_the_m.php\">The Map Room<\/a> |<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>La mayor\u00eda de la gente est\u00e1 tan acostumbrada a ver mapas realizados con la proyecci\u00f3n de Mercator que, cuando se topan con una muestra de <a class=\"mh-excerpt-more\" href=\"https:\/\/alpoma.net\/carto\/?p=2056\" title=\"Jugando con la proyecci\u00f3n Mercator\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":4630,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,10],"tags":[],"class_list":["post-2056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cartografia","category-experimentos"],"jetpack_featured_media_url":"https:\/\/alpoma.net\/carto\/wp-content\/uploads\/2010\/11\/5161882882_8116f6fb79_m.jpg","jetpack_shortlink":"https:\/\/wp.me\/p93Co9-xa","jetpack-related-posts":[{"id":3269,"url":"https:\/\/alpoma.net\/carto\/?p=3269","url_meta":{"origin":2056,"position":0},"title":"El cabez\u00f3n de Mercator","author":"alpoma","date":"abril 8, 2012","format":false,"excerpt":"No, el viejo Mercator no era un cabez\u00f3n, al menos que sepamos, pero su forma de ver el mundo puede crear verdaderos cabezones y hasta dolores de cabeza, veamos. La proyecci\u00f3n de Mercator ha calado tanto en la mente de occidente, y en realidad en la de casi todo el\u2026","rel":"","context":"En \u00abCartograf\u00eda\u00bb","block_context":{"text":"Cartograf\u00eda","link":"https:\/\/alpoma.net\/carto\/?cat=9"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2012\/04\/6911222656_819d91c4e3_o.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":6449,"url":"https:\/\/alpoma.net\/carto\/?p=6449","url_meta":{"origin":2056,"position":1},"title":"El verdadero tama\u00f1o de&#8230;","author":"alpoma","date":"junio 4, 2016","format":false,"excerpt":"Crear representaciones bidimensionales, sobre papel o una pantalla, de la superficie de un mundo como el nuestro que se aproxima a ser una esfera (geoide), es algo que ha dado muchos dolores de cabeza a los cart\u00f3grafos. He comentado en este mismo blog muchas veces los problemas de las diversas\u2026","rel":"","context":"En \u00abExperimentos\u00bb","block_context":{"text":"Experimentos","link":"https:\/\/alpoma.net\/carto\/?cat=10"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2016\/06\/Captura-de-pantalla-2016-06-04-a-las-18.10.43.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2016\/06\/Captura-de-pantalla-2016-06-04-a-las-18.10.43.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2016\/06\/Captura-de-pantalla-2016-06-04-a-las-18.10.43.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2016\/06\/Captura-de-pantalla-2016-06-04-a-las-18.10.43.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":7087,"url":"https:\/\/alpoma.net\/carto\/?p=7087","url_meta":{"origin":2056,"position":2},"title":"Google Maps dice \u00abadi\u00f3s\u00bb a Mercator (pero s\u00f3lo en ciertas escalas)","author":"alpoma","date":"agosto 8, 2018","format":false,"excerpt":"Detalle curioso el que nos descubre Google Maps en su nueva actualizaci\u00f3n de agosto de 2018 en su versi\u00f3n para escritorio (desktop edition, no as\u00ed en la versi\u00f3n m\u00f3vil, aunque todo parece indicar que el cambio tambi\u00e9n se llevar\u00e1 a cabo en esa versi\u00f3n en breve). A escala de barrio,\u2026","rel":"","context":"En \u00abEn l\u00ednea\u00bb","block_context":{"text":"En l\u00ednea","link":"https:\/\/alpoma.net\/carto\/?cat=5"},"img":{"alt_text":"Google Maps en proyecci\u00f3n Mercator","src":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/08\/google-maps-mercator.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/08\/google-maps-mercator.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/08\/google-maps-mercator.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/08\/google-maps-mercator.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":3,"url":"https:\/\/alpoma.net\/carto\/?p=3","url_meta":{"origin":2056,"position":3},"title":"El mundo no es como lo pintan","author":"alpoma","date":"octubre 28, 2005","format":false,"excerpt":"Para inaugurar este nuevo blog, todav\u00eda en pruebas, he decidido rescatar dos post acerca de temas cartogr\u00e1ficos que publiqu\u00e9 hace meses en TecOb. Aqu\u00ed va la primera muestra... Los mapas, como realizaci\u00f3n humana, son subjetivos. No hay que escandalizarse por ello, es totalmente l\u00f3gico. El que realiza un mapa busca\u2026","rel":"","context":"En \u00abCartograf\u00eda\u00bb","block_context":{"text":"Cartograf\u00eda","link":"https:\/\/alpoma.net\/carto\/?cat=9"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2005\/10\/mercator_europa.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2005\/10\/mercator_europa.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2005\/10\/mercator_europa.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2005\/10\/mercator_europa.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":518,"url":"https:\/\/alpoma.net\/carto\/?p=518","url_meta":{"origin":2056,"position":4},"title":"La proyecci\u00f3n de Fuller","author":"alpoma","date":"abril 17, 2008","format":false,"excerpt":"He aqu\u00ed una de las proyecciones geogr\u00e1ficas m\u00e1s atractivas que conozco. Se trata de los mapas Dymaxion o de Fuller, en honor a la persona que los ide\u00f3 y patent\u00f3 en 1946, el mism\u00edsimo padre de la c\u00fapula geod\u00e9sica, Buckminster Fuller. Lo especial en este tipo de proyecci\u00f3n est\u00e1 en\u2026","rel":"","context":"En \u00abCartograf\u00eda\u00bb","block_context":{"text":"Cartograf\u00eda","link":"https:\/\/alpoma.net\/carto\/?cat=9"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2008\/04\/2421780162_3dd2eaaab4_m.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":6872,"url":"https:\/\/alpoma.net\/carto\/?p=6872","url_meta":{"origin":2056,"position":5},"title":"\u00bfY si convertimos la l\u00ednea del Ecuador en el meridiano cero? (la proyecci\u00f3n de Cassini)","author":"alpoma","date":"marzo 7, 2018","format":false,"excerpt":"La visi\u00f3n del mundo que transmiten la mayor parte de los mapas del planeta desde hace siglos hace que, aunque no sea algo \"real\" ni \"obligatorio\", s\u00ed se haya convertido en pr\u00e1cticamente un dogma cartogr\u00e1fico. De esta forma, plasmar un mapa mundial con el sur colocado en la parte superior,\u2026","rel":"","context":"En \u00abCartograf\u00eda\u00bb","block_context":{"text":"Cartograf\u00eda","link":"https:\/\/alpoma.net\/carto\/?cat=9"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/03\/cassini-2.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/03\/cassini-2.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/03\/cassini-2.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/03\/cassini-2.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/03\/cassini-2.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/alpoma.net\/carto\/wp-content\/uploads\/2018\/03\/cassini-2.png?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=\/wp\/v2\/posts\/2056","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2056"}],"version-history":[{"count":0,"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=\/wp\/v2\/posts\/2056\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=\/wp\/v2\/media\/4630"}],"wp:attachment":[{"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alpoma.net\/carto\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}