View image: http://sdw.webhop.net/tmp/problem.jpg <BR><BR>I want to step through the 2D coordinates (x,y) in the above picture. Say for example that x=0...1 and y=0 ...

Parallel lines close parallel lines Lines which never meet and stay the same distance apart. Parallel lines are indicated by a pair of arrows. are two or more straight lines that remain the same ...