CSC151, Class 35: Writing Script-Fu Procedures

Overview:
* Writing Script-Fu Procedures
* A sample: Circle drawing
* Projects: 
  + Filled Circles or "Random" Circles
  + Creating a New Image
  + Drawing a Star
  + Tracing a Picture
  + Choose Your Own

Notes:
* Questions on exam 2?
* Format of today's class: Alternating small-group/big-group
  discussions.

Observation: When you have a large number of steps to do,
it's much easier to write a procedure so that you can just
call the procedure

Also possible in Script-Fu, but not easily in the console
* Write the procedure in DrScheme
  + Don't try to run it
* Save in a file
* Load the file in Script-Fu console
* Run the procedure