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Web Map Specification

baseMap

A basemap layer is a layer that provides geographic context to the map. A web map always contains a basemap. The basemap has a title and is the combination of each baseMapLayer. It is required that a baseMap be saved within the web map.

Referenced by: slide, Webmap

Properties

Property Details
baseMapLayers An array of baseMapLayer objects defining the basemaps used in the web map.
title Required string title for the basemap that can be used in a table of contents. It takes the title of the first baseMapLayer in the array.

Example

{
  "baseMapLayers": [
    {
      "title": "Bing Maps Road",
      "type": "BingMapsRoad",
      "layerType": "BingMapsRoad",
      "portalUrl": "https://webmaps.maps.arcgis.com/sharing/rest/portals/lVkj5PBOw7tRmIPU",
      "opacity": 1,
      "visibility": true,
      "id": "BingMapsRoad"
    }
  ],
  "title": "Imagery with Labels"
}

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