BML simple

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Default-person Victor Aguiar (Author)

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;          BML Traffic Model            ;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; V. 0.1

;; There are two cars species: northbounds and eastbounds.

 
globals[ phase ]

breed[northbounds northbound]
breed [eastbounds eastboud]

;; These two species populate a two dimmensional square lattice, with boundary conditions.
;; Each lattice site can have three states i) empty ii) has a northbound car iii) has an east bound car.
patches-own[ is-empty? has-north? has-east?]

;;Speed Turtles
turtles-own[ speed]


;; Shapes of agents.

to setshapes
  set-default-shape northbounds "car"
  set-default-shape eastbounds "car"
end 

to setup
  ;; (for this model to work with NetLogo's new plotting features,
  ;; __clear-all-and-reset-ticks should be replaced with clear-all at
  ;; the beginning of your setup procedure and reset-ticks at the end
  ;; of the procedure.)
  __clear-all-and-reset-ticks
  
  ask patches
  [ set pcolor green
    set is-empty?  TRUE ]
  
  setshapes
  

let total-patches count patches
;;let spatial-density .1
ask n-of (spatial-density * total-patches) patches 
[ 
  sprout-northbounds 1 
  [
    set color brown 
  ]
  ;; set state to has north 
  set has-north? TRUE
  set is-empty? FALSE 
] 
ask n-of (spatial-density * total-patches) patches with [ is-empty? = TRUE] 
[ 
  sprout-eastbounds 1 
  [
    set color black 
  ]
  ;; set state to has nort 
  set has-east? TRUE 
  set is-empty? FALSE 
    
]
end  


;; Simulation. 

to go
ifelse (ticks mod 2) = 0 ;; even steps
[ 
  
  ask eastbounds 
  [ 
  ifelse ( [is-empty?] of patch-at 1 0 = TRUE )   
  [ ask patch-here [ set is-empty? TRUE ]
    move-to patch-at 1 0
    set speed 1 
   ask  patch-here [ set is-empty? FALSE ]
   ] ;; head east]
  [ set speed 0 
  ask  patch-here [ set is-empty? FALSE ]
  ]
  ]
]

[
 ask northbounds 
  [ 
  ifelse ( [is-empty?] of patch-at 0 1 = TRUE ) 
  [ ask patch-here [ set is-empty? TRUE ]
     move-to patch-at 0 1 
     set speed 1
      ask  patch-here [ set is-empty? FALSE ]
      ] ;; head north
 [ set speed 0 
  ask  patch-here [ set is-empty? FALSE ]
 ]
  ] 
]

tick   
update-plot1-tipos
end 


;; Reports 

to update-plot1-tipos
  set-current-plot "Velocidad Promedio"
  set-current-plot-pen "todos"
  let target1num mean [speed] of turtles ;; with [ parked? = false] 
  plot target1num
end 

;; El tiempo 

There is only one version of this model, created over 5 years ago by Victor Aguiar.

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