How to redo the Arc GIS Extents in InfoSWMM Posted by Robert Dickinson on April 22, 2011 at 12:51pm Problem: The network looks very small when you zoom out to the maximum extents of the window Step 1: Zoom out a few times to a visible network Step 2: ArcGIS View/Data Frame Properties/Other / Current Visible Extent will fix your network view. Read more…