Computer Science- Netlogo Primitives 2

Question 1

[attribute] of agent

Answer 1

a reporter that reports current value of agent’s attribute

Question 2

one-of agentset

Answer 2

returns a random agent of agentset

Question 3

towards agent

Answer 3

returns heading from calling agent to input agent

Question 4

let var value

Answer 4

creates a local variable var and assigns it a value

Question 5

any? agentset

Answer 5

reports whether agentset has more than 0 members

Question 6

carefully

Answer 6

• error handling
• carefully
  [do this cmd block]
  [but if the first cmd block crashed, do this cmd block]
• BE CAREFUL USING THIS, USES A LOT OF SPACE

Question 7

min-one-of agentset [reporter]

Answer 7

returns the agent in agentset with min value for var

Question 8

max-one-of agentset [reporter]

Answer 8

returns the agent in agentset with max value for var

Question 9

turtles-here

Answer 9

reports agentset of turtles on caller’s patch

Question 10

agentset in-radius R

Answer 10

reports agentset that includes agents from original whose distance from caller is less than or equal to R

Question 11

agentset in-cone distance angle

Answer 11

• reporter that gives turtle a cone of vision in front of itself
• viewing angle ranges from 0 to 360
• reports an agentset that includes only those agents from the original agentset that fall in the cone. (can include the agent itself)

Question 12

import-pcolors “filename.jpg, png, gif, bmp “

Answer 12

• reads an image file, scales it to the same dimensions as the patch grid while keeping the original ratio of the image
• transfers the resulting pixel colors to the patches
• file must be in same location as picture

Question 13

resize-world min-pxcor max-pxcor min-pycor max-pycor

Answer 13

resets the world with new coordinates

Question 14

set-patch-size

Answer 14

sets size of patches of the view in pixels

Question 15

mean

Answer 15

reports mean of the numeric items in the given list