New Mexico Computer Science For All

Creating TurtlesMaureen Psaila-Dombrowski

Agents in Netlogo

•Observer – no specific location, looks over entire Netlogo World

•Turtle Agents – Mobile agents▫Can have different shapes and names

(breeds)

•Patches – Stationary agents▫Netlogo World is divided into a grid

work of small squares or patches

•Links - Agents that connect two turtles

Three Ways to Create Turtles

Create command – Observer creates turtles

create-turtles #

•Creates # new turtles at the origin

•Turtles have a random color and direction

Three Ways to Create Turtles

Sprout Command – Patches create turtles

sprout #

•Creates # turtles on a selected patch

•Turtles have a random color and direction

Three Ways to Create Turtles

Hatch Command – Turtles create turtles

hatch #

•Must be an existing turtle

•Creates # new turtles at the same location as the “parent” turtle

•Each new turtle inherits of all the “parent” turtle properties

Three Ways to Create Turtles

More Information:

•http://ccl.northwestern.edu/netlogo/docs/dict/create-turtles.html

•http://ccl.northwestern.edu/netlogo/docs/dict/sprout.html

•http://ccl.northwestern.edu/netlogo/docs/dict/hatch.html