![sample wms url sample wms url](https://www.e-education.psu.edu/geog585/sites/www.e-education.psu.edu.geog585/files/lesson4/essen_fig_4_16.png)
There are certain parameters (for public, external basemaps) that are required in order to correctly render map tiles. Required Parameters for External Basemaps
#Sample wms url download
Automatic Attributions - When you choose a basemap, export a map as an image, or download a map as a.For more information, see how CARTO defines attributions as part of our Terms of Service. There are several methods of defining map attributions. This is an example standard tile layer, provided by OpenStreetMap.Īttributions represent the data sources used in your map, which may have copyright protections. Select the tabs across the top to select from XYZ, MAPBOX, WMS/WMTS, TILEJSON, or NASA.įor this example, keep XYZ as the external resource. Inserting an External Basemapįor this guide, let’s insert a public XYZ basemap as the source for our map background.įrom the LAYERS list in Builder, click on the basemap name.Ĭlick + from the Style options to add an external resource.Īny previously added custom basemaps will appear in this section. Once an external basemap is inserted into CARTO, the performance rendering of the map tiles are dependent on the external service that you selected. Any external basemap source that you want to apply must be available via a public URL, in order to be rendered correctly. CARTO uses a proxy to translate URLs from the Internet. By selecting a basemap source, you are requesting existing, pre-generated, image tiles from a remote server. With the exception of NASA imagery, external basemaps are rendered based on tile services.