Display (Printable)

ca, clearall [Observer]

Kills all turtles, sets all patches to black, and resets all patch variables.

cc, clear-command-center [Observer, Turtle]

Clears the command center.

cg, cleargraphics [Observer]

Sets all patches to black

clearinfo, clear-info [Observer]

Clears the Information Window.

clearplot, clear-plot [Observer, Turtle]

Clears everything drawn by all plot pens, and resets all pens to (0, 0).

co, clear-output [Observer]

Clears all the text in the output window.

cp, clearpatches [Observer]

Sets all patches to black and resets all patch variables.

ct, clear-turtles [Observer]

Clears (kills) all of the turtles.

output `something` [Observer, Turtle]

Exits the current procedure and returns `something`

print `text or variables` [Observer]

Prints the `text or variables` in the output window followed by a carriage return.

screen-half-height [Observer, Turtle]

Returns the half the width of the screen.

screen-half-width [Observer, Turtle]

Returns half of the width of the screen.

screen-height [Observer, Turtle]

Returns the height of the screen. The heights is always an odd number, and the lowest possible value is 3. To change the `screen-height`, drag the mouse over the patchcancas and use the handles to resize it with the mouse.

screen-width [Observer, Turtle]

Returns width of the screen. The width is always an odd number, and the lowest possible value is 3. To change the `screen-width`, drag the mouse over the patchcancas and use the handles to resize it with the mouse.

show `anything` [Observer, Turtle]

Types `anything` in the command center.

type `text or variables` [Observer, Turtle]

Prints the `text or variables` in the output window. No carriage return is printed.