<?xml version="1.0" encoding="UTF-8"?>
<!--
  GeoTrace — worldwide base map sources.
  Import via the app: Project menu is not needed; open the base-map switch menu
  ("Switch Base Map") and choose "Import from XML", then select this file.

  Note on usage: tile providers have their own terms of service. Bulk offline
  download of Google or OpenStreetMap tiles is not permitted by their policies.
  Use these for on-screen display; download offline packs only from sources you
  are licensed to use.
-->
<mapSources>
  <source
    name="OpenStreetMap"
    url="https://tile.openstreetmap.org/{z}/{x}/{y}.png"
    minZoom="0"
    maxZoom="19"
    servers="" />

  <source
    name="ESRI World Imagery"
    url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}"
    minZoom="0"
    maxZoom="19"
    servers="" />

  <source
    name="ESRI World Topo"
    url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer/tile/{z}/{y}/{x}"
    minZoom="0"
    maxZoom="19"
    servers="" />

  <source
    name="Google Satellite"
    url="https://mt{s}.google.com/vt/lyrs=s&amp;x={x}&amp;y={y}&amp;z={z}"
    minZoom="0"
    maxZoom="20"
    servers="0,1,2,3" />

  <source
    name="Google Hybrid"
    url="https://mt{s}.google.com/vt/lyrs=y&amp;x={x}&amp;y={y}&amp;z={z}"
    minZoom="0"
    maxZoom="20"
    servers="0,1,2,3" />

  <source
    name="CartoDB Positron (light)"
    url="https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png"
    minZoom="0"
    maxZoom="20"
    servers="a,b,c,d" />

  <source
    name="CartoDB Dark Matter (dark)"
    url="https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}.png"
    minZoom="0"
    maxZoom="20"
    servers="a,b,c,d" />
</mapSources>
