TNM Advanced Viewer has a wide range of functions. Here are the primary areas:

• Download Client link—Links to our application for downloading National Map GIS data, TNM Download Client.
• Help Pages link—Links to these Help pages covering the Advanced Viewer.
• Help videos—Coming soon.
• Widget Panel—Contains tools to add layers and manipulate map data.
  
  • Base Map Gallery—Select a base map from a presented gallery.
  • Layer List—Displays a list of operational layers in the app.
  • Legend—Displays a legend for the visible layers in the map.
  • Add Data—Search for layers or enter URLs to add data on the map.
  • Share—Share the app via social media, email, or embedded link.
  • Query—Query information from operational layers by executing a predefined query.
  • Measurement—Measure the area of a polygon, length of a line, or find the coordinates of a point.
  • Elevation Profile—Display the elevation profile for a selected feature or a measured line along with a web map.
  • Spot Elevation—Returns an elevation in international feet or meters for a specific latitude/longitude (NAD 1983) point from the USGS 3DEP 1/3 arc-second layer. If unable to find data at the requested point, this tool returns -1000000.
  • Print—Advanced or basic printing of the current map.
  • Draw—Draws basic graphics and text on the map.
  • Select—Enables interactive selection of features on the map and take the actions on the selected features.
• Zoom—Zoom current map view in or out.
• Home—Returns to default map view.
• My Location—Centers the Advanced Viewer on current physical location.
• Scale—Displays the current map scale.
• Coordinates—Displays coordinates for the cursor.