Components of IPE

Here are the software components of IPE:

• A program Ipe and some associated subroutines that handle the user interaction -- adding, deleting, or changing programs, assembling the processing sequence, and launching the job. Ipe.c and its subroutines are roughly 700 lines of C code, with calls to the XView toolkit. No user needs to know anything about this code, unless he or she wants to modify the inner workings of IPE.
• A program Ipemake that reads in a simple ASCII description of the parameters for a given program, and generates the C language subroutine that IPE uses to know how to display the program's parameters on a panel. Ipemake.c is also written in C, is about 500 lines long, and again the end user never needs to touch it or know how it works. Users don't even need to use Ipemake unless they want to add a program to IPE's library.
• For each program available in IPE, an ASCII description of the program's parameters. The format is described below. A user would need to create this file to add a new program, but doesn't need to bother with this to use the programs already available.