Clicking on the Swipe Tool icon opens the Select the layer you want to swipe
selection window shown here.
Select the operational layer you would like to swipe over the
basemap.
A vertical bar will appear after selecting the layer to be
swiped.
The swipe layer will be visible on the left side of the bar and
the basemap will be visible on the rightsize.
Dragging the bar will change which portions of the map show the
swipe layer or the basemap.
The operational layer must be visible prior to selecting the
layer. Click here for help with using the Layer List to make an operational
layer visible.