nga_basemap | R Documentation |
Create a basemap layer linking to an NGA ArcGIS mapserver.
nga_basemap(basemap.identifier = "WSM", name = NULL, toggle.control = FALSE)
basemap.identifier |
character indicating which NGA mapserver to use. See 'Available Base Maps'. |
name |
character layer name. |
toggle.control |
logical. If |
Creates and returns an OpenLayers ArcGIS Tile layer that sources a
map server hosted at https://home.gvs.nga.mil. These map servers
are owned by the US Government and require authentication. If the
basemap.identifier
parameter is unrecognized the function will
default to the NGA OpenStreetMap map server.
A Layer.ArcGIS
S3 object.
The following basemap.identifiers are currently supported by this method.
"ABM" | Analytic Base Map |
"LightGray" | Analytic Base Map (Light Gray) |
"Light_LightGray" | Analytic Base Map (Light Light Gray) |
"LightMidnight" | Analytic Base Map (Light Midnight) |
"Light_Slate" | Analytic Base Map (Light Slate) |
"Midnight" | Analytic Base Map (Midnight) |
"Slate" | Analytic Base Map (Slate) |
"CARDG" | Scanned CARDG Maps |
"DNC" | Digital Nautical Charts |
"Imagery" | Satellite Imagery |
"Hillshade" | Hillshade Map |
"ShadedRelief" | Shaded Relief Map |
"TintedHillshade" | Tinted Hillshade Map |
"WorldBoundaries" | World Boundaries (WSM) |
"WorldBoundaries_Places" | World Boundaries, Places (WSM) |
"WorldPlaceNames" | World Place Names (WSM) |
"WorldTransportation" | World Transportation (WSM) |
"WorldCities" | Sample World Cities |
"WSM" | World Street Map |
ol_map
,
+.Ol.Map
,
public_arcgis_basemap
,
public_OSM_basemap
,
user_arcgis_basemap
mymap <- ol_map() base.layer <- nga_basemap('Midnight') mymap <- mymap + base.layer ## Not run: ol_map2HTML( mymap, "SanDiegoMidnight.html", nga.olsource = TRUE ## Not required; can also use public OpenLayers ## javascript source with NGA mapservers. ) browseURL("SanDiegoMidnight.html") ## End(Not run)
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.