Layer Information

Each layer has an information page associated to it, which has several options for managing the layer’s data. Information is available for the following:

  • Info – Displays general information about the layer
  • Attributes - Lists the features in a layer, and the nonspatial information about the feature
  • Ratings – Based on the ratings of other users
  • Comments – Any comments on the layer from users
  • Legend – Maps using this layer – What other maps within Exchange are using the layer
  • Permissions – How others can see or modify this layer
  • Styles – What styles are associated to the layer
  • About – Provides information on the owner, Point of Contact and Metadata Author
  • Maps using this layer – Indicates which maps are using this layer
  1. To access Layer Information, click the Data link on the Exchange toolbar, and select Layers from the drop-down menu. This will open the Explore Layers page. Here you will see a list of all of the available layers. Each layer has a thumbnail image, as well as the title, author, and any associated keywords.
  2. Click the View Details link below the layer you want to access.
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The information page for the layer will open.

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Using the map features

Within the layer details page, there are some map features that will help you view the layer more in depth.

Zoom - Select the Zoom In or Zoom Out button to zoom to a specific location. Depending on the basemap, you may be able to zoom in as close as 1:10 meters.

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Zoom to the Initial Extent - Return to the original extent of the map.

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Print Map - Select Print Map to print a copy of the layer.

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Layers - Select the Layers button to turn any of your layers off or on.

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  1. Click the Basemap button in the lower left corner to select a different basemap style.
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Exchange comes with the mapnik openstreetmap by default. Contact your Exchange administrator for additional basemaps.

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Layer detail tabs

There are five tabs with information pertaining to the particular layer: Info, Attributes, Ratings, Comments, and GeoGig.

The Info tab is the default display, and contains basic information about the layer, such as the title, who created it, and when it was published.

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The Attributes tab displays the layer attribute table. Layer attribute statistics will only display if the value is a numeric attribute, otherwise, no statistics will be calculated.

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The Ratings tab displays all ratings given to a layer by other users. Click on a star to rate the layer (one to five stars). Click the Cancel this rating icon to delete your rating.

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The Comments tab allows you to see what others are saying about this layer, as well as leave your own comment. Click the Add Comment button to leave a comment about the layer. When you’ve finished, click the Submit Comment button.

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The GeoGig tab shows you the history of edits that have been made to the layer, when they were made, and by whom.

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