You can make the examples in this directory by running
make -f Makefile.examples
If this makefile doesn't work for you, you'l need to 
get the source, and run configure.


To run a whole sequence of demos, run the shell script 
./rundemo  This shell script will run them in order 
from basic to complex, and print a short explanation
of each demo to stdout.  Use the leftmouse to move,
and middlemouse to get to the popup menu. Exit each demo
from the menu.