This section describes the general philosophy behind the graphical XP environment and outlines the basic design features of the XPSWMM modeling package. It is a good starting point for any new users of any of the XP series of programs.
The first step after launching XPSWMM is to either open or create a database. The primary file that is opened (existing) or created (new) is a database with a .XP extension, which signifies that it is for XPSWMM.
The user may select one of the following options: