netlogo-tutor-01.txt, cr 25 oct 2007 by rha on hypatia

Hints for building your first model in NetLogo 4.0

1. Open  NetLogo 4.0

2. File --> Save As ... ; My Model #1, Desktop (or whatever)

3. Create one button
	3a. check that the widget chooser is labeled "abc  Button"
	3b. click once on the Add button (green plus sign, +)
		(then it turns blue)
	3c. click once on the interface (eg, upper left corner)
		where you want the button to be
	3d. in the "Commands" window, type "setup"
	3e. click ok

now you have one button labeled "setup" in red
it is red because it calls a procedure, "setup", which does not yet exist
the next step will fix that

4. Create the procedure "setup"
	4a. click the "Procedures" tab at the top of the NetLogo window
	4b. type at the top of the Procedures page:

to setup ;;; this will clear and setup a fresh interface
  ca ;;; clear all command for a clean start
  ;;; other stuff goes here
end
	note: use the "tab" key on your keyboard to make the indentation
		at the beginning of the "ca" line
	4c. click the "Interface" tab at the top of the NetLogo window

now the label "setup" on your one button is black, meaning: no errors
next, experiment with commands to sprout or create turtles and
	move them around to nice locations
add these commands to your setup procedure and test them out by 
	clicking the "setup" button

end