{"id":323,"date":"2015-07-29T14:15:07","date_gmt":"2015-07-29T14:15:07","guid":{"rendered":"http:\/\/blog.geofabrik.de\/?p=323"},"modified":"2015-07-29T14:15:07","modified_gmt":"2015-07-29T14:15:07","slug":"everything-you-wanted-to-know-about-osm-waterways","status":"publish","type":"post","link":"https:\/\/blog.geofabrik.de\/index.php\/2015\/07\/29\/everything-you-wanted-to-know-about-osm-waterways\/","title":{"rendered":"Everything you wanted to know about OSM waterways"},"content":{"rendered":"<p>A new, world-wide water and waterway debug layer is live at the <a href=\"http:\/\/tools.geofabrik.de\/osmi\/?view=water&#038;lon=-122.98389&#038;lat=49.13743&#038;zoom=11\">OSM Inspector web site.<\/a> We&#8217;ve done away with the old VMAP0 river reference, and extended coverage from Europe-only to the whole planet.<\/p>\n<p><a href=\"https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/02overview_zoom11-1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/02overview_zoom11-1-300x165.png\" alt=\"02overview_zoom11\" width=\"300\" height=\"165\" class=\"alignnone size-medium wp-image-327\" srcset=\"https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/02overview_zoom11-1-300x165.png 300w, https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/02overview_zoom11-1.png 400w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>There&#8217;s tons of new features &#8211; for example, OSMI will detect when a river changes its name, or starts out of nowhere (or ends in something that is not another body of water).<\/p>\n<p><a href=\"https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/03coastline_zoom12-1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/03coastline_zoom12-1-300x165.png\" alt=\"03coastline_zoom12\" width=\"300\" height=\"165\" class=\"alignnone size-medium wp-image-328\" srcset=\"https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/03coastline_zoom12-1-300x165.png 300w, https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/03coastline_zoom12-1.png 400w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Rivers without names are highlighted, as are directional problems where two parts of a river flow towards, or away from, the same point.<\/p>\n<p><a href=\"https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/01water_direction_error-1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/01water_direction_error-1-300x130.png\" alt=\"01water_direction_error\" width=\"300\" height=\"130\" class=\"alignnone size-medium wp-image-325\" srcset=\"https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/01water_direction_error-1-300x130.png 300w, https:\/\/blog.geofabrik.de\/wp-content\/uploads\/2015\/07\/01water_direction_error-1.png 450w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>The software backing these new layers has been written in C++ (using Jochen Topf&#8217;s excellent <a href=\"https:\/\/github.com\/osmcode\/libosmium\">Osmium library)<\/a> by Geofabrik intern Nathanael Lang. It is Free Software, and can be run in a standalone fashion to convert an OSM .pbf file into a SQLite database if you&#8217;d like to run your own analyses. Fork it, or report issues, <a href=\"https:\/\/github.com\/Nathanael-L\/osmi-water\" title=\"OSMI waterways Github repo\">on GitHub!<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new, world-wide water and waterway debug layer is live at the OSM Inspector web site. We&#8217;ve done away with the old VMAP0 river reference, and extended coverage from Europe-only to the whole planet. There&#8217;s tons of new features &#8211; for example, OSMI will detect when a river changes its name, or starts out of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.geofabrik.de\/index.php\/wp-json\/wp\/v2\/posts\/323"}],"collection":[{"href":"https:\/\/blog.geofabrik.de\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.geofabrik.de\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.geofabrik.de\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.geofabrik.de\/index.php\/wp-json\/wp\/v2\/comments?post=323"}],"version-history":[{"count":0,"href":"https:\/\/blog.geofabrik.de\/index.php\/wp-json\/wp\/v2\/posts\/323\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.geofabrik.de\/index.php\/wp-json\/wp\/v2\/media?parent=323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.geofabrik.de\/index.php\/wp-json\/wp\/v2\/categories?post=323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.geofabrik.de\/index.php\/wp-json\/wp\/v2\/tags?post=323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}