{"id":686,"date":"2017-10-03T13:39:00","date_gmt":"2017-10-03T20:39:00","guid":{"rendered":"http:\/\/cgia.org\/cagiscouncil\/?p=686"},"modified":"2017-10-03T13:39:00","modified_gmt":"2017-10-03T20:39:00","slug":"the-national-map-dynamic-overlay-services","status":"publish","type":"post","link":"https:\/\/cgia.org\/cagiscouncil\/2017\/10\/03\/the-national-map-dynamic-overlay-services\/","title":{"rendered":"The National Map dynamic overlay services"},"content":{"rendered":"<div class=\"lead\">\n<p>Many of The National Map dynamic overlay services have new schemas and updated cartography to provide a better user experience in The National Map viewer and other applications.<\/p>\n<\/div>\n<p><strong>The following changes were made throughout August and September 2017, when new services were published to replace previous content:<\/strong><\/p>\n<p><strong><a href=\"https:\/\/services.nationalmap.gov\/arcgis\/rest\/services\/govunits\/MapServer\">GovUnits<\/a><\/strong><\/p>\n<ul>\n<li><strong>All land unit types broken out into individual layers. Rather than a single layer with &#8220;Other Reserves&#8221; that included USFS, Military, and others, each FTYPE (from GU_Reserve) has its own layer, created with definition queries. Affected layers:<\/strong>\n<ul>\n<li><strong>National Park<\/strong><\/li>\n<li><strong>National Forest<\/strong><\/li>\n<li><strong>National Wilderness<\/strong><\/li>\n<li><strong>Wildlife Reserve<\/strong><\/li>\n<li><strong>National Grassland<\/strong><\/li>\n<li><strong>National Cemetery<\/strong><\/li>\n<li><strong>Military Reserve<\/strong><\/li>\n<li><strong>NASA Facility<\/strong><\/li>\n<li><strong>Metropolitan Washington Airport<\/strong><\/li>\n<li><strong>BLM land (no labels)<\/strong><\/li>\n<li><strong>Tennessee Valley Authority land (no labels)<\/strong><\/li>\n<li><strong>Incorporated Place, Unincorporated Place, Minor Civil Division, Native American Area, Congressional District, County, and Large\/Small-scale States remain the same.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Layer order changed.<\/strong><\/li>\n<li><strong>Labels updated to new typeface. Most labels have their drop shadows or fills changed to be visible against newly designed layers, whether the PADUS style polygons or others.<\/strong><\/li>\n<li><strong>Labels use drop shadows instead of halos.<\/strong><\/li>\n<li><strong>Polygon fills of most national lands updated to match color scheme in\u00a0<a href=\"https:\/\/maps.usgs.gov\/padus\/\">PADUS viewer<\/a>\u00a0.<\/strong><\/li>\n<li><strong>Outlines\/fills of all other features updated to be visible against new USGS Topo base map and grayscale shaded relief.<\/strong><\/li>\n<li><strong>Visibility restrictions by scale removed from all layers except States which are still divided into large-scale and small-scale layers.<\/strong><\/li>\n<li><strong>Currently, only States and Counties are on by default while all other layers will have to be manually turned on. States are visible at all scales; Counties are visible in beyond 1:600,000.<\/strong><\/li>\n<\/ul>\n<p><strong><a href=\"https:\/\/services.nationalmap.gov\/arcgis\/rest\/services\/map_indices\/MapServer\">Map Indices<\/a><\/strong><\/p>\n<ul>\n<li><strong>Layer order changed.<\/strong><\/li>\n<li><strong>Label font and halo changed.<\/strong><\/li>\n<li><strong>Colors of 1&#215;1 degree and 30&#215;60 minute cells changed.<\/strong><\/li>\n<li><strong>1&#215;1 degree cell features are visible at all scales; 1&#215;1 degree cell labels are visible larger than 9M in scale.<\/strong><\/li>\n<li><strong>30&#215;60 minute cell features are visible larger than 20M, and 30&#215;60 minute cell labels are visible larger than 5M in scale.<\/strong><\/li>\n<li><strong>15 minute cell features are visible larger than 4M, and 15 minute cell labels are visible larger than 2M in scale.<\/strong><\/li>\n<li><strong>7.5 minute cell features are visible larger than 1M, and 7.5 minute cell labels are the same (visible at 577K and larger in scale).<\/strong><\/li>\n<li><strong>3.75 minute cell features are visible larger than 500K, and 3.75 minute cell labels are the same (visible at 288K and larger in scale).<\/strong><\/li>\n<li><strong>All layers are on by default (which is same behavior as previous service).<\/strong><\/li>\n<\/ul>\n<p><strong><a href=\"https:\/\/services.nationalmap.gov\/arcgis\/rest\/services\/structures\/MapServer\">Structures<\/a><\/strong><\/p>\n<ul>\n<li><strong>Label layers and feature layers separated.<\/strong><\/li>\n<li><strong>Labels\/features regrouped by type, and reordered. Labels\/features are created as single layers (one layer per feature class) by using definition queries.<\/strong><\/li>\n<li><strong>Layer order changed.<\/strong><\/li>\n<li><strong>Label font and halo changed.<\/strong><\/li>\n<li><strong>Some symbols updated.<\/strong><\/li>\n<li><strong>Post offices and State capitols are on by default while all other layers need to be manually turned on.<\/strong><\/li>\n<\/ul>\n<p><strong><a href=\"https:\/\/services.nationalmap.gov\/arcgis\/rest\/services\/geonames\/MapServer\">Geonames<\/a><\/strong><\/p>\n<ul>\n<li><strong>Label layers and feature layers separated.<\/strong><\/li>\n<li><strong>Labels\/features regrouped by type, and reordered.<\/strong><\/li>\n<li><strong>Labels\/features are their own layer and can be toggled on\/off, rather than being grouped into a single layer (for example, schools, airports, and buildings are separate layers, rather than grouped into a Structure layer as they used to be). Labels\/features are created as single layers (one layer per feature class) by using definition queries.<\/strong><\/li>\n<li><strong>Layer order changed.<\/strong><\/li>\n<li><strong>Label font and halo changed.<\/strong><\/li>\n<li><strong>Historical features are grouped by type (cultural-political, hydrographic, and physical).<\/strong><\/li>\n<li><strong>Symbols for most features updated.<\/strong><\/li>\n<li><strong>Communities (populated places) are on by default while all other layers need to be manually turned on.<\/strong><\/li>\n<\/ul>\n<p><strong><a href=\"https:\/\/services.nationalmap.gov\/arcgis\/rest\/services\/Contours\/MapServer\">Contours<\/a><\/strong><\/p>\n<ul>\n<li><strong>Label font and halo changed.<\/strong><\/li>\n<li><strong>Index contours have thicker lines than intermediate contours.<\/strong><\/li>\n<li><strong>Large-scale, 50-foot, and 100-foot contours are regrouped by type and sub-type, and all available sub-types are included in the layer list. Layer order numbers have changed as a result.<\/strong><\/li>\n<li><strong>Small-scale contours for the continental U.S., Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands have been included, and are visible at 1:1,000,000-scale.<\/strong><\/li>\n<li><strong>Slight changes were made to visibility-through-scale settings.<\/strong><\/li>\n<\/ul>\n<p><strong><a href=\"https:\/\/services.nationalmap.gov\/arcgis\/rest\/services\/transportation\/MapServer\">Transportation<\/a><\/strong><\/p>\n<ul>\n<li><strong>Label font and halo changed.<\/strong><\/li>\n<li><strong>Small-scale transportation data originally from the National Atlas has been refreshed to replace previous content shown in the service.<\/strong><\/li>\n<li><strong>Additional road types are now included in the small-scale data layers:\u00a0ferries\u00a0and railroads.<\/strong><\/li>\n<li><strong>Large-scale local roads, ferries, tunnels, 4WD trails, and U.S. Forest Service roads are now able to be shown up to 1:300,000-scale.<\/strong><\/li>\n<li><strong>However, these layers are turned off by default, so users will have to manually turn them on to see them.<\/strong><\/li>\n<\/ul>\n<p><strong>For additional details, go to The National Map Data\u00a0<a href=\"https:\/\/viewer.nationalmap.gov\/launch\/\">Download and Visualization Services\u00a0<\/a>webpage and search under \u201cWhat\u2019s New\u201d.<\/strong><\/p>\n<div class=\"dnd-widget-wrapper context-full_width type-image\">\n<div class=\"dnd-atom-rendered\">\n<div class=\"field field-name-scald-thumbnail field-type-image field-label-hidden\">\n<div class=\"field-items\">\n<div class=\"field-item even\"><a href=\"https:\/\/www.usgs.gov\/media\/images\/govunitsnm2\"><img loading=\"lazy\" decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/prd-wret.s3-us-west-2.amazonaws.com\/assets\/palladium\/production\/s3fs-public\/styles\/full_width\/public\/thumbnails\/image\/govunits_nm2.png?itok=2Xt151al\" alt=\"A view of selected feature types in the Governmental Units dynamic service around Albuquerque, New Mexico\" width=\"340\" height=\"309\" \/><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"dnd-caption-wrapper\"><strong>A view of selected feature types in the Governmental Units dynamic service around Albuquerque, New Mexico<\/strong>(Public domain.)<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Many of The National Map dynamic overlay services have new schemas and updated cartography to provide a better user experience in The National Map viewer and other applications. The following changes were made throughout August and September 2017, when new&#8230;<br \/><a class=\"read-more-button\" href=\"https:\/\/cgia.org\/cagiscouncil\/2017\/10\/03\/the-national-map-dynamic-overlay-services\/\">Read more<\/a><\/p>\n","protected":false},"author":35,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-686","post","type-post","status-publish","format-standard","hentry","category-announcements"],"_links":{"self":[{"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/posts\/686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/users\/35"}],"replies":[{"embeddable":true,"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/comments?post=686"}],"version-history":[{"count":1,"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/posts\/686\/revisions"}],"predecessor-version":[{"id":687,"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/posts\/686\/revisions\/687"}],"wp:attachment":[{"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/media?parent=686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/categories?post=686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cgia.org\/cagiscouncil\/wp-json\/wp\/v2\/tags?post=686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}