Red River Basin Decision Information Network

BasinViewer Help Files: How to Work with Data Layers

Water Courses Layer on
If a check is present the layer is visible on the map. The map will reload when the "Refresh Map" button is clicked.

Water Bodies Layer off
If no check is present the layer is not visible on the map. The map will reload when the "Refresh Map" button is clicked.

National Inventory of Dams ^Q Layer on and able to identify
If a check is present and their is an identify icon after the layer name it is available to identify. In order to identify a layer, simply click on the layers symbol on the map. This will open another window with more information about that feature.

For more information about a layer click on the layer name and the metadata or a description of the layer will display in a new window.

Notes:

A layer may not be visible all of the time. There are scale dependencies setup for certain layers to speed up map drawing time. As you zoom in, certain layers will appear.
Some layers like the Aerial photos and USGS Topo maps are large files and take longer to draw then other layers, so be patient.
It may only make sense to have certain layers visible at a given time. For example you would not be able to view the Aerial photos and USGS Topo maps at the same time.
Not all layers are available to identify, because they lack additional information (i.e. a database) to view.