Tsunami evacuation

Tsunami evacuation preview image

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Default-person Adam Slucki (Author)

Tags

behavioral decision making 

Tagged by Adam Slucki over 5 years ago

evacuation 

Tagged by Adam Slucki over 5 years ago

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turtles-own [group speed cooperation initSpeed flight EP_knowledge chosenEP direction rescue_attempt initXcor initYcor newInformation my_EP]
patches-own [EvacuationPoint]
globals [saved cooperativeCitizen safeSpot time10 time30 time50 time80 time95 time_final survivors tempXcor tempYcor 
         meanXcor10 meanYcor10 meanXcor30 meanYcor30 meanXcor50 meanYcor50 meanXcor80 meanYcor80 meanXcor95 meanYcor95 meanXcor_final meanYcor_final
         stdXcor10  stdYcor10  stdXcor30  stdYcor30  stdXcor50  stdYcor50  stdXcor80  stdYcor80  stdXcor95  stdYcor95  stdXcor_final  stdYcor_final
         coo10 coo30 coo50 coo80 coo95 coo_final]

;;Environment setup

to mapa
  ca
  import-pcolors "map.png"
  crt citizens [set color black
          setxy random-xcor random-ycor
          set group random group_count
          set speed (random-normal 0.14 0.015) * 5 
          set initSpeed speed
          set EP_knowledge random-poisson av_EP_knowledge 
          set my_EP patch 100 -100
          set newInformation 0
          set direction heading
        ]
  
 
  ask turtles [
    move-to one-of patches with [pcolor = 67.4 and not any? other turtles-here] 
  ]
  
  ask n-of (count turtles * cooperative_citizens / 100) turtles [set cooperation true]
  
  let safePlace (list (patch -80 38) (patch -63 33) (patch -62 62) 
                              (patch -30 77) (patch -7 86) (patch 5 52)
                              (patch 17 45) (patch 30 51) (patch 60 57) (patch 78 20))
  
  foreach safePlace [ask ?[set pcolor white
                                   set EvacuationPoint 1]]
  
  set safeSpot patches with [EvacuationPoint = 1]
  
  ;;main street, business center where should be more people than in other places
  ask n-of (count turtles * 0.4) turtles [
     move-to one-of patches with [pcolor = 67.4 and distance patch -18 5 < 35 and not any? other turtles-here]
  ]
  
  ask turtles
       [set initXcor xcor
        set initYcor ycor
       ]
                
  
  reset-ticks 
end 

;;Main loop

to go
  ask turtles [
   
    look_for_a_safe_spot
    form_a_group
    run_away
    rescue
    go_arround
    move
    stop_here
    die_here
 
 ]
  
  ifelse saved >= citizens * 0.1 and time10 = 0
       [set time10 ticks * 5
         
        if length tempXcor >= 2
             [set meanXcor10 mean tempXcor
              set meanYcor10 mean tempYcor
              set stdXcor10 standard-deviation tempXcor
              set stdYcor10 standard-deviation tempYcor]
        set coo10 cooperativeCitizen / saved * 100
        
        set tempXcor (list)
        set tempYcor (list)
        ]
       
       [ifelse saved >= citizens * 0.3 and time30 = 0
            [set time30 ticks * 5
             
             if length tempXcor >= 2 
                  [set meanXcor30 mean tempXcor
                  set meanYcor30 mean tempYcor
                  set stdXcor30 standard-deviation tempXcor
                  set stdYcor30 standard-deviation tempYcor]
             set coo30 cooperativeCitizen / saved * 100
            
             set tempXcor (list)
             set tempYcor (list)]
            
            [ifelse saved >= citizens * 0.5 and time50 = 0
                  [set time50 ticks * 5
                  
                   if length tempXcor >= 2 
                        [set meanXcor50 mean tempXcor
                        set meanYcor50 mean tempYcor
                        set stdXcor50 standard-deviation tempXcor
                        set stdYcor50 standard-deviation tempYcor]
                   set coo50 cooperativeCitizen / saved * 100
                   
                   set tempXcor (list)
                   set tempYcor (list)]
                  
                  [ifelse saved >= citizens * 0.8 and time80 = 0
                       [set time80 ticks * 5
                        
                        if length tempXcor >= 2 
                             [set meanXcor80 mean tempXcor
                              set meanYcor80 mean tempYcor
                              set stdXcor80 standard-deviation tempXcor
                              set stdYcor80 standard-deviation tempYcor]
                        
                        set coo80 cooperativeCitizen / saved * 100
                        
                        set tempXcor (list)
                        set tempYcor (list)]
                       
                       [ifelse saved >= citizens * 0.95 and time95 = 0
                             [set time95 ticks * 5
                               
                              if length tempXcor >= 2
                                   [set meanXcor95 mean tempXcor
                                    set meanYcor95 mean tempYcor
                                    set stdXcor95 standard-deviation tempXcor
                                    set stdYcor95 standard-deviation tempYcor]
                              
                              set coo95 cooperativeCitizen / saved * 100
                              
                              set tempXcor (list)
                              set tempYcor (list)]
                             
                             [if count turtles = 0
                                  [set time_final ticks * 5
                                    
                                   if length tempXcor >= 2
                                        [set meanXcor_final mean tempXcor
                                        set meanYcor_final mean tempYcor
                                        set stdXcor_final standard-deviation tempXcor
                                        set stdYcor_final standard-deviation tempYcor]
                                        
                                   set coo_final cooperativeCitizen / saved * 100
                                    
                                   set survivors saved / citizens * 100
                                   stop]
                                 
                             ]
                             
                             
                       ]
                  ]
            ] 
       ] 
  
  
  tsunami

  tick
end 



;; Agents look fot the closest one of the evacuation points that they know

to look_for_a_safe_spot
  
   set heading direction
   ;let my_EP one-of patches in-cone 400 1 with [EvacuationPoint = 1]
   let my_safeSpot min-one-of n-of EP_knowledge safeSpot [distance myself] 
   let other_one one-of other turtles in-cone (radius / 10) 360
 
 
      
  if (my_safeSpot != nobody and flight = 0 and chosenEP = 0) 
  or ( my_safeSpot != nobody and newInformation = 1 and distance my_safeSpot < distance my_EP)
    [face my_safeSpot
      set chosenEP 1
      set my_EP my_safeSpot
      set newInformation 0
      set direction heading]
    
  if EP_knowledge = 0 and other_one != nobody and not any? other turtles-here
     [face other_one
      set direction [heading] of other_one]
end 



;; Agents may try to form groups. In this case they obtain knowledge about EP locations from the best
;; informed gropu member 

to form_a_group
  
  if (cooperation = true) and (count other turtles in-cone 1 360) < min_group_members and [pcolor] of patch-here > 64
      [let groupCenter max-one-of other turtles in-cone (radius / 10) 120 [count other turtles in-cone 1 360]
       let my_knowledge EP_knowledge
    
          if groupCenter != nobody and [cooperation] of groupCenter = true
             [face groupCenter
              ask groupCenter [set color blue
              set speed mean [speed] of turtles in-cone 1 360
              let max_knowledge max-one-of turtles in-cone 1 360 [EP_knowledge]
                   if my_knowledge < [EP_knowledge] of max_knowledge
                      [set EP_knowledge [EP_knowledge] of max_knowledge
                        set newInformation 1]
                               ]
            ]
       ]
end 

to run_away
  
  let dryPatch one-of patches in-cone 1 360 with [pcolor < 75]
  
  ifelse one-of patches in-cone 1 360 != nobody and [pcolor] of one-of patches in-cone 3 120 = 95.1 and dryPatch != nobody
  [ face dryPatch
    set flight 1
    set speed speed + 0.2
  ]
  [set flight 0]
end 


;; Agents may try to rescue other ones that are related with them (relation is determined by group number difference)

to rescue
   
   let my_direction direction
   lt 180
   let my_group group
   let my_knowledge EP_knowledge
   let my_speed speed
   let friend one-of turtles in-cone 1.5 180 with [abs(group - my_group) < max_group_diff and (distance myself > 0.6)] 
   
   
  ifelse friend != nobody and [rescue_attempt] of friend = 0
     [face friend
       set color pink
       
          ifelse [EP_knowledge] of friend > my_knowledge
              [set EP_knowledge [EP_knowledge] of friend
                set newInformation 1]
              [ask friend [set EP_knowledge my_knowledge]
               set rescue_attempt 1 
               set direction my_direction
               set newInformation 1
              ]
    
          ifelse [speed] of friend > my_speed
              [set speed [speed] of friend]
              [ask friend [set speed my_speed]]
    ]
    [rt 180
      set color black]
end 


;; Agents turn around when they reach inacessible terrain

to go_arround
  
 if (patch-ahead 2 != nobody and [pcolor] of patch-ahead 2 = 74.4) or patch-ahead 2 = nobody
  [lt 180
    set direction heading]
end 

to move
  
  fd speed
end 

to stop_here
    if [pcolor] of patch-here < 27
       [set saved saved + 1
        
        if cooperation = true 
            [set cooperativeCitizen cooperativeCitizen + 1]
        
        ifelse not is-list? tempXcor or empty? tempXcor
            [set tempXcor (list initXcor)
             set tempYcor (list initYcor)]
            [set tempXcor lput initXcor tempXcor
             set tempYcor lput initYcor tempYcor]
        die] 
end 

to die_here
  if [pcolor] of patch-here = 95.1
     [die]
end 

to tsunami
  
 if ticks > 180
    [ask patches with [pcolor = 95.1]
    [ask patches in-radius 3.5 with [pcolor > 64] [set pcolor 95.1] ]
    ]
  
  if (count patches with [pcolor > 64 and pcolor < 70]) = 0 and random-float 0.9 < 0.3
      [ask patches with [pcolor = 95.1]
      [ask neighbors with [pcolor > 40] [set pcolor 95.1] ]
      ]
end 

There are 3 versions of this model.

Uploaded by When Description Download
Adam Slucki almost 5 years ago faster simulation Download this version
Adam Slucki about 5 years ago improved deccision process Download this version
Adam Slucki over 5 years ago Initial upload Download this version

Attached files

File Type Description Last updated
map.png png model world over 5 years ago, by Adam Slucki Download
Tsunami evacuation.png preview Preview for 'Tsunami evacuation' over 5 years ago, by Adam Slucki Download

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