;Project: Artifical intelligence ;Project Name: Meeting Scheduling ;Submitted By: Qasim Siddique ;BSCS-8 ;FUIEMS ;A Distributed Multi-Agent Meeting Scheduler System ;Ali Durmus, Nadia Erdogan ;Electrical-Electronics Faculty, Department of Computer Engineering ;Istanbul Technical University ;Ayazaga, 34469, Istanbul, Turkey. ;Implementation of the Algorithm Protocol of ;Opportunities for learning in multi agent Meeting Scheduling ;By Elisabeth Crawford and Manuela Veloso ;Computer Science Departement ;Carnegic Mellon UNversity ;5000 Forbes Ave,Pittsburgh PA, 15232 ;ehc+,mmv+@cs.cmu.edu ;first input --> name of the agentset associated with the breed. ;second input --> name of a single member of the breed breed [nodes a-node] ;globals value same for every nodes nodes-own [my-nodes ;store the agent time Agenttime snode inode ] ;Every Node has it own value in the variable globals[Time Meetingtime counter otherlist maxvalue] ;implementation of the setup function to setup ;clear the world ca ;ask all the patches to set color to white ask patches [set pcolor white] ;special value which some primitives such as turtle, one-of, max-one-of, --> when a turtle dies, it becomes equal to nobody. make-node nobody ;call the make-node function and pass it a parameter a-node make-node a-node 0 ;call all the nodes ask nodes with [snode = true] [ ;create an empty list set my-nodes[] ;set the value to false set snode false ] ;end of ask nodes end ;end of the implementation function ;create nodes number given by the nodes to createnetwork ;conditional statement if ticks >= number - 2 [stop] ;return the value for the report and pass the value to the make-node function make-node find-partner ; increase the tick counter by 1 each time through tick ;end of the conditional statement end ;end of the createnetwork function ;implementation of the make-node function to make-node [old-node] ;create a new node 1 create-nodes 1 [ ;set the value to empty set maxvalue[] ;set the value to empty set otherlist[] ;set the value of the Agenttime to zero set Agenttime[] ;set the shape to person set shape "person" ;set the position to the random-xcor and y-cor setxy random-xcor random-ycor ;set the value to the false set snode false ;create the list of the time ;24-hours format set Time ["00:00" "01:00" "02:00" "03:00" "04:00" "05:00" "06:00" "07:00" "08:00" "09:00" "10:00" "11:00" "12:00" "13:00" "14:00" "15:00" "16:00" "17:00" "18:00" "19:00" "20:00" "21:00" "22:00" "23:00"] ;set the conter value the 0 set counter 0 ;set the snode value to false set snode false ;set the my-node value to false set my-nodes[] ;set the shape of the turtle to the circle set shape "Circle" ;set the color of the node to the red set color red ;the old-node is nobody if old-node != nobody [ ;create link with the old node and set the color to the green create-link-with old-node [ set color green ] ; position the new node near its partner move-to old-node ;forward it to the 8 space fd 8 ];end of the condition statement ] ;end of the create-nodes end ; end of the make-node function ; This code is borrowed from Lottery Example (in the Code Examples ; section of the Models Library). ; The idea behind the code is a bit tricky to understand. ; Basically we take the sum of the degrees (number of connections) ; of the turtles, and that's how many "tickets" we have in our lottery. ;; Then we pick a random "ticket" (a random number). Then we step ; through the turtles to figure out which node holds the winning ticket. ;implemaion of the find-partner to-report find-partner ;total as a local variable count the link of the neighbors and pass the value to the sum let total random-float sum [count link-neighbors] of turtles ;partner variable with nobody let partner nobody ;call the nodes ask nodes [ ;count the links neighbors let nc count link-neighbors ;conditional statement if partner = nobody [ ifelse nc > total ;select the partner node [ set partner self ] [ set total total - nc ] ] ;end of the if statement ] ;return the partner node value report partner end ;end of the find-partner ;implementation of the connect function to connect ;local list ;empty let my1[] ;local list set to empty set my1[] ;call the nodes ask nodes [ ;count all the link in the neighbors set my1 lput count link-neighbors my1 ] ;end of the nodes ;show the output of the my1 list show sort my1 ;set the local variable re to 0 let re 0 ;condition statement while [re < agent-number] [ ;call the nodes with the specfic condition ask one-of nodes with [snode = false] [ ;set the shape of the nodes to the person set shape "person" ;set the size to 2 set size 2 ;set the color to blue set color blue ;set the snode value to true set snode true ] ;increment the value by 1 set re re + 1 ] ;end of the condition statement end ;end of the connect function ;implementation of the setuptime to setuptime ;call those node with have the specfic condition ask nodes with [snode = true] [ ;repeat the condition input given by freetimeslor repeat random FreeTimeslot [ ;create a variable t ;pass it a value 0 let t 0 ;create a variable t1 ;pass it a value 0 let t1 0 ;pass it a value 24 set t random 24 ;give a item t set t1 item t Time ;set the label color to white set label-color white ;input value in the list set Agenttime lput t1 Agenttime ] ;end of the repeat function ;set the color to the black set label-color black ;set the label Agenttime set label Agenttime ] ;call the nodes ask nodes [ ;show the output of the Agenttime on the input windows output-show Agenttime ] ;end of the ask nodes end ;end of the setuptime ;implementation of the duplicatetime to DuplicateTime ;call the breed nodes ask nodes with [snode = true] [ ;remove the duplicate from the list set Agenttime remove-duplicates Agenttime ;set the label Agenttime set label Agenttime ] end ;end of the duplicatetime ;implemenation of the initiate to initiate ;call the node ask one-of nodes with [snode = true] [ ;set the color to the green set color green ;set the value of the inode variable to the true set inode true ] end ;end of the initiate function ;implementation of the sendmessage to sendmessage ;call the nodes with the specfic condition ask nodes with [color = green] [ ;call the link which is in the neighbors ask one-of link-neighbors [set label Meetingtime] ] ;end of the call nodes end ;end of the send message ;implementation of the passmessage to passmessage ;call the nodes with the specfic condition ask one-of nodes with [label = Meetingtime] [ ;call the link which is in the neighbors ask link-neighbors [set label Meetingtime] ] end ;end of the passmessage ;implementation of the deletepeers to deletepeers ;call the specfic nodes ask nodes with [color = red] [ ;delete the nodes die ] ;call the links ask links [ ;removed all the link die ] end ;end of the deletepeers ;implementation of the directlinks to directlink ;call the nodes with the specfic condition ask one-of nodes with [snode = true] [ ;local variable let o other nodes with [color = green] ;create links with the nodes in the o variable create-links-with o ] ;end of the nodes end ;end of the directlinks ;implementation of the learn to learn ;local variable ttime with the t 0 let ttime 0 ;call the nodes ask nodes with [snode = true] [ ;local varible which store the agenttime let l length agenttime ;call the local r let r 0 ;repeat condition repeat l [ ;ttime store the specfic agenttime set ttime item r agenttime ;incremental the r by 1 set r r + 1 ;store the value in the ttime set otherlist lput ttime otherlist ] ;set otherlist lput ttime otherlist ] ask nodes with [snode = true and inode = true] [ ;show agenttime ;display the other list show otherlist ] ;end of the ask nodes end ;end of the learn function ;implementation of the passcheck function to PassCheck ;call the function ask nodes with [snode = true] [ ;Create the function g let g 0 ;Create the function re let re 0 ;Create the function len let len 0 ;pass the length Agenttime set len length Agenttime ;condition statement while [re < len] [ ;reterive the vale from the list set g item re Agenttime ;Compare the Meeting time if g = Meetingtime [ ;incresed counter by 1 set counter counter + 1 ;call the do-plots function do-plots ] ;incresed the counter re set re re + 1 ] ;end of the counter ] end ;end of the passcheck function ;implementation of the againtest to againtest ;local variable with the value 0 let rr 0 ;local variable with the value 0 let testcounter 0 ;local variable with the value 0 let testcounter00 0 ;local variable with the value 0 let testcounter01 0 ;local variable with the value 0 let testcounter02 0 ;local variable with the value 0 let testcounter03 0 ;local variable with the value 0 let testcounter04 0 ;local variable with the value 0 let testcounter05 0 ;local variable with the value 0 let testcounter06 0 ;local variable with the value 0 let testcounter07 0 ;local variable with the value 0 let testcounter08 0 ;local variable with the value 0 let testcounter09 0 ;local variable with the value 0 let testcounter10 0 ;local variable with the value 0 let testcounter11 0 ;local variable with the value 0 let testcounter12 0 ;local variable with the value 0 let testcounter13 0 ;local variable with the value 0 let testcounter14 0 ;local variable with the value 0 let testcounter15 0 ;local variable with the value 0 let testcounter16 0 ;local variable with the value 0 let testcounter17 0 ;local variable with the value 0 let testcounter18 0 ;local variable with the value 0 let testcounter19 0 ;local variable with the value 0 let testcounter20 0 ;local variable with the value 0 let testcounter21 0 ;local variable with the value 0 let testcounter22 0 ;local variable with the value 0 let testcounter23 0 ;local variable that store the length of the otherlist set rr length otherlist ;repeat condition repeat rr [ ;local variable which store the value of the otherlist let ewe item testcounter otherlist ;condition statement if (ewe = "00:00") [ set testcounter00 testcounter00 + 1 ] ;condition statement if (ewe = "01:00") [ set testcounter01 testcounter01 + 1 ] ;condition statement if (ewe = "02:00") [ set testcounter02 testcounter02 + 1 ] ;condition statement if (ewe = "03:00") [ set testcounter03 testcounter03 + 1 ] ;condition statement if (ewe = "04:00") [ set testcounter04 testcounter04 + 1 ] ;condition statement if (ewe = "05:00") [ set testcounter05 testcounter05 + 1 ] ;condition statement if (ewe = "06:00") [ set testcounter06 testcounter06 + 1 ] ;condition statement if (ewe = "07:00") [ set testcounter07 testcounter07 + 1 ] ;condition statement if (ewe = "08:00") [ set testcounter08 testcounter08 + 1 ] ;condition statement if (ewe = "09:00") [ set testcounter09 testcounter09 + 1 ] ;condition statement if (ewe = "10:00") [ set testcounter10 testcounter10 + 1 ] ;condition statement if (ewe = "11:00") [ set testcounter11 testcounter11 + 1 ] ;condition statement if (ewe = "12:00") [ set testcounter12 testcounter12 + 1 ] ;condition statement if (ewe = "13:00") [ set testcounter13 testcounter13 + 1 ] ;condition statement if (ewe = "14:00") [ set testcounter14 testcounter14 + 1 ] ;condition statement if (ewe = "15:00") [ set testcounter15 testcounter15 + 1 ] ;condition statement if (ewe = "16:00") [ set testcounter16 testcounter16 + 1 ] ;condition statement if (ewe = "17:00") [ set testcounter17 testcounter17 + 1 ] ;condition statement if (ewe = "18:00") [ set testcounter18 testcounter18 + 1 ] ;condition statement if (ewe = "19:00") [ set testcounter19 testcounter19 + 1 ] ;condition statement if (ewe = "20:00") [ set testcounter20 testcounter20 + 1 ] ;condition statement if (ewe = "21:00") [ set testcounter21 testcounter21 + 1 ] ;condition statement if (ewe = "22:00") [ set testcounter22 testcounter22 + 1 ] ;condition statement if (ewe = "23:00") [ set testcounter23 testcounter23 + 1 ] ;condition statement set testcounter testcounter + 1 ] ;display the testcounter value show testcounter ;display the testcounter00 show testcounter00 ;pass the value to the list set maxvalue lput testcounter00 maxvalue ;display show testcounter01 set maxvalue lput testcounter01 maxvalue ;display show testcounter02 set maxvalue lput testcounter02 maxvalue ;display show testcounter03 set maxvalue lput testcounter03 maxvalue ;display show testcounter04 set maxvalue lput testcounter04 maxvalue ;display show testcounter05 set maxvalue lput testcounter05 maxvalue ;display show testcounter06 set maxvalue lput testcounter06 maxvalue ;display show testcounter07 set maxvalue lput testcounter07 maxvalue ;display show testcounter08 set maxvalue lput testcounter08 maxvalue ;display show testcounter09 set maxvalue lput testcounter09 maxvalue ;display show testcounter10 set maxvalue lput testcounter10 maxvalue ;display show testcounter11 set maxvalue lput testcounter11 maxvalue ;display show testcounter12 set maxvalue lput testcounter12 maxvalue ;display show testcounter13 set maxvalue lput testcounter13 maxvalue ;display show testcounter14 set maxvalue lput testcounter14 maxvalue ;display show testcounter15 set maxvalue lput testcounter15 maxvalue ;display show testcounter16 set maxvalue lput testcounter16 maxvalue ;display show testcounter17 set maxvalue lput testcounter17 maxvalue ;display show testcounter18 set maxvalue lput testcounter18 maxvalue ;display show testcounter19 set maxvalue lput testcounter19 maxvalue ;display show testcounter20 set maxvalue lput testcounter20 maxvalue ;display show testcounter21 set maxvalue lput testcounter21 maxvalue ;display show testcounter22 set maxvalue lput testcounter22 maxvalue ;display show testcounter23 set maxvalue lput testcounter23 maxvalue let ttt max maxvalue ;display show maxvalue let rrr position ttt maxvalue let rrr1 item rrr Time do-plots1 show rrr1 let rr11 0 let testcounterA 0 ask one-of nodes with [snode = true] [ set rr11 length agenttime repeat rr11 [ let eweA item testcounterA Agenttime set color black if rrr = eweA [ show "Found Agent Time" ] set testcounterA testcounterA + 1 ] set meetingtime rrr1 ] end ;end of the testagain function to do-plots ;set the current plot to "ConfirmedMeeting" set-current-plot "ConfirmedMeeting" ;set the plot pen to turtles set-current-plot-pen "turtles" ;plot the count turtles plot count turtles ;set the plot pen to Accepted Meeting set-current-plot-pen "AcceptedMeeting" ;plot the value of counter on the graph plot counter end ;end of the do-plot function ;implmentation of do-plots to do-plots1 ;set the current plot to "ConfirmedMeeting" set-current-plot "Timeintensity" ;set the plot pen to turtles ; set-current-plot-pen "turtles" ;plot the count turtles ; plot count turtles ;set the plot pen to Accepted Meeting plot-pen-reset ; set-current-plot-pen "maxvalue" ;plot the value of counter on the graph let rr22 length maxvalue let tty 0 repeat rr22 [ ; plot item tty maxvalue histogram [item tty maxvalue] of turtles set tty tty + 1 ] end ;end of the do-plot1 function @#$#@#$#@ GRAPHICS-WINDOW 352 10 791 470 16 16 13.0 1 10 1 1 1 0 0 0 1 -16 16 -16 16 0 0 1 ticks CC-WINDOW 5 675 1195 770 Command Center 0 BUTTON 20 10 83 43 NIL setup NIL 1 T OBSERVER NIL NIL NIL NIL BUTTON 21 45 101 78 Network createnetwork T 1 T OBSERVER NIL NIL NIL NIL SLIDER 173 14 345 47 number number 0 100 34 1 1 NIL HORIZONTAL SLIDER 172 46 344 79 Freetimeslot Freetimeslot 0 23 10 1 1 NIL HORIZONTAL SLIDER 172 79 344 112 agent-number agent-number 0 100 15 1 1 NIL HORIZONTAL BUTTON 22 79 140 112 Meeting Agents connect NIL 1 T OBSERVER NIL NIL NIL NIL BUTTON 22 116 108 149 NIL setuptime NIL 1 T OBSERVER NIL NIL NIL NIL BUTTON 20 150 128 183 NIL DuplicateTime NIL 1 T OBSERVER NIL NIL NIL NIL OUTPUT 800 19 1186 374 12 BUTTON 19 182 88 215 NIL initiate NIL 1 T OBSERVER NIL NIL NIL NIL BUTTON 97 305 203 338 NIL sendmessage NIL 1 T OBSERVER NIL NIL NIL NIL BUTTON 96 344 201 377 NIL PassMessage T 1 T OBSERVER NIL NIL NIL NIL BUTTON 107 385 205 418 NIL Deletepeers NIL 1 T OBSERVER NIL NIL NIL NIL BUTTON 110 423 191 456 NIL Directlink NIL 1 T OBSERVER NIL NIL NIL NIL BUTTON 19 219 82 252 NIL Learn NIL 1 T OBSERVER NIL NIL NIL NIL BUTTON 222 147 310 180 NIL passcheck NIL 1 T OBSERVER NIL NIL NIL NIL BUTTON 36 262 157 295 Select Best Time againtest NIL 1 T OBSERVER NIL NIL NIL NIL PLOT 807 408 1007 558 Timeintensity NIL NIL 0.0 10.0 0.0 10.0 true false PENS "default" 1.0 1 -16777216 true PLOT 450 503 650 653 ConfirmedMeeting Agent Time 0.0 10.0 0.0 10.0 true false PENS "default" 1.0 0 -16777216 true "AcceptedMeeting" 1.0 0 -16777216 true "turtles" 1.0 0 -2674135 true MONITOR 222 508 400 553 Agent Accepted Meeting Time counter 17 1 11 MONITOR 236 616 316 661 NIL Meetingtime 17 1 11 @#$#@#$#@ WHAT IS IT? ----------- Multi-Agent Meeting Scheduling through learning In this domain each person has an agent that knows his/her time table and obligation (possibly other meeting or travel).upon the request to schedule a meeting that required the presence of multi person their agent duties are to find time and place to hold the meeting. REFERENCE -------- Opportunities for learning in Multi agent Meeting Scheduling Elisabeth Crawford And Manuela Veloso Computer Science Department Caregie Mellon Unversity A Distributed Multi-Agent Meeting Scheduler System Ali Durmus, Nadia Erdogan Electrical-Electronics Faculty, Department of Computer Engineering Istanbul Technical University Ayazaga, 34469, Istanbul, Turkey. A Survey and comparison of Peer to Peer Overlay Network Scheme Eng Keong Lua, Jon Crowcroft, Marcelo Pias, Ravi Sharma and Stevent Lim CREDITS -------- Qasim Siddique BSCS-8 FUIEMS qasim_1987@hotmail.com @#$#@#$#@ default true 0 Polygon -7500403 true true 150 5 40 250 150 205 260 250 airplane true 0 Polygon -7500403 true true 150 0 135 15 120 60 120 105 15 165 15 195 120 180 135 240 105 270 120 285 150 270 180 285 210 270 165 240 180 180 285 195 285 165 180 105 180 60 165 15 arrow true 0 Polygon -7500403 true true 150 0 0 150 105 150 105 293 195 293 195 150 300 150 box false 0 Polygon -7500403 true true 150 285 285 225 285 75 150 135 Polygon -7500403 true true 150 135 15 75 150 15 285 75 Polygon -7500403 true true 15 75 15 225 150 285 150 135 Line -16777216 false 150 285 150 135 Line -16777216 false 150 135 15 75 Line -16777216 false 150 135 285 75 bug true 0 Circle -7500403 true true 96 182 108 Circle -7500403 true true 110 127 80 Circle -7500403 true true 110 75 80 Line -7500403 true 150 100 80 30 Line -7500403 true 150 100 220 30 butterfly true 0 Polygon -7500403 true true 150 165 209 199 225 225 225 255 195 270 165 255 150 240 Polygon -7500403 true true 150 165 89 198 75 225 75 255 105 270 135 255 150 240 Polygon -7500403 true true 139 148 100 105 55 90 25 90 10 105 10 135 25 180 40 195 85 194 139 163 Polygon -7500403 true true 162 150 200 105 245 90 275 90 290 105 290 135 275 180 260 195 215 195 162 165 Polygon -16777216 true false 150 255 135 225 120 150 135 120 150 105 165 120 180 150 165 225 Circle -16777216 true false 135 90 30 Line -16777216 false 150 105 195 60 Line -16777216 false 150 105 105 60 car false 0 Polygon -7500403 true true 300 180 279 164 261 144 240 135 226 132 213 106 203 84 185 63 159 50 135 50 75 60 0 150 0 165 0 225 300 225 300 180 Circle -16777216 true false 180 180 90 Circle -16777216 true false 30 180 90 Polygon -16777216 true false 162 80 132 78 134 135 209 135 194 105 189 96 180 89 Circle -7500403 true true 47 195 58 Circle -7500403 true true 195 195 58 circle false 0 Circle -7500403 true true 0 0 300 circle 2 false 0 Circle -7500403 true true 0 0 300 Circle -16777216 true false 30 30 240 cow false 0 Polygon -7500403 true true 200 193 197 249 179 249 177 196 166 187 140 189 93 191 78 179 72 211 49 209 48 181 37 149 25 120 25 89 45 72 103 84 179 75 198 76 252 64 272 81 293 103 285 121 255 121 242 118 224 167 Polygon -7500403 true true 73 210 86 251 62 249 48 208 Polygon -7500403 true true 25 114 16 195 9 204 23 213 25 200 39 123 cylinder false 0 Circle -7500403 true true 0 0 300 dot false 0 Circle -7500403 true true 90 90 120 face happy false 0 Circle -7500403 true true 8 8 285 Circle -16777216 true false 60 75 60 Circle -16777216 true false 180 75 60 Polygon -16777216 true false 150 255 90 239 62 213 47 191 67 179 90 203 109 218 150 225 192 218 210 203 227 181 251 194 236 217 212 240 face neutral false 0 Circle -7500403 true true 8 7 285 Circle -16777216 true false 60 75 60 Circle -16777216 true false 180 75 60 Rectangle -16777216 true false 60 195 240 225 face sad false 0 Circle -7500403 true true 8 8 285 Circle -16777216 true false 60 75 60 Circle -16777216 true false 180 75 60 Polygon -16777216 true false 150 168 90 184 62 210 47 232 67 244 90 220 109 205 150 198 192 205 210 220 227 242 251 229 236 206 212 183 fish false 0 Polygon -1 true false 44 131 21 87 15 86 0 120 15 150 0 180 13 214 20 212 45 166 Polygon -1 true false 135 195 119 235 95 218 76 210 46 204 60 165 Polygon -1 true false 75 45 83 77 71 103 86 114 166 78 135 60 Polygon -7500403 true true 30 136 151 77 226 81 280 119 292 146 292 160 287 170 270 195 195 210 151 212 30 166 Circle -16777216 true false 215 106 30 flag false 0 Rectangle -7500403 true true 60 15 75 300 Polygon -7500403 true true 90 150 270 90 90 30 Line -7500403 true 75 135 90 135 Line -7500403 true 75 45 90 45 flower false 0 Polygon -10899396 true false 135 120 165 165 180 210 180 240 150 300 165 300 195 240 195 195 165 135 Circle -7500403 true true 85 132 38 Circle -7500403 true true 130 147 38 Circle -7500403 true true 192 85 38 Circle -7500403 true true 85 40 38 Circle -7500403 true true 177 40 38 Circle -7500403 true true 177 132 38 Circle -7500403 true true 70 85 38 Circle -7500403 true true 130 25 38 Circle -7500403 true true 96 51 108 Circle -16777216 true false 113 68 74 Polygon -10899396 true false 189 233 219 188 249 173 279 188 234 218 Polygon -10899396 true false 180 255 150 210 105 210 75 240 135 240 house false 0 Rectangle -7500403 true true 45 120 255 285 Rectangle -16777216 true false 120 210 180 285 Polygon -7500403 true true 15 120 150 15 285 120 Line -16777216 false 30 120 270 120 leaf false 0 Polygon -7500403 true true 150 210 135 195 120 210 60 210 30 195 60 180 60 165 15 135 30 120 15 105 40 104 45 90 60 90 90 105 105 120 120 120 105 60 120 60 135 30 150 15 165 30 180 60 195 60 180 120 195 120 210 105 240 90 255 90 263 104 285 105 270 120 285 135 240 165 240 180 270 195 240 210 180 210 165 195 Polygon -7500403 true true 135 195 135 240 120 255 105 255 105 285 135 285 165 240 165 195 line true 0 Line -7500403 true 150 0 150 300 line half true 0 Line -7500403 true 150 0 150 150 pentagon false 0 Polygon -7500403 true true 150 15 15 120 60 285 240 285 285 120 person false 0 Circle -7500403 true true 110 5 80 Polygon -7500403 true true 105 90 120 195 90 285 105 300 135 300 150 225 165 300 195 300 210 285 180 195 195 90 Rectangle -7500403 true true 127 79 172 94 Polygon -7500403 true true 195 90 240 150 225 180 165 105 Polygon -7500403 true true 105 90 60 150 75 180 135 105 plant false 0 Rectangle -7500403 true true 135 90 165 300 Polygon -7500403 true true 135 255 90 210 45 195 75 255 135 285 Polygon -7500403 true true 165 255 210 210 255 195 225 255 165 285 Polygon -7500403 true true 135 180 90 135 45 120 75 180 135 210 Polygon -7500403 true true 165 180 165 210 225 180 255 120 210 135 Polygon -7500403 true true 135 105 90 60 45 45 75 105 135 135 Polygon -7500403 true true 165 105 165 135 225 105 255 45 210 60 Polygon -7500403 true true 135 90 120 45 150 15 180 45 165 90 square false 0 Rectangle -7500403 true true 30 30 270 270 square 2 false 0 Rectangle -7500403 true true 30 30 270 270 Rectangle -16777216 true false 60 60 240 240 star false 0 Polygon -7500403 true true 151 1 185 108 298 108 207 175 242 282 151 216 59 282 94 175 3 108 116 108 target false 0 Circle -7500403 true true 0 0 300 Circle -16777216 true false 30 30 240 Circle -7500403 true true 60 60 180 Circle -16777216 true false 90 90 120 Circle -7500403 true true 120 120 60 tree false 0 Circle -7500403 true true 118 3 94 Rectangle -6459832 true false 120 195 180 300 Circle -7500403 true true 65 21 108 Circle -7500403 true true 116 41 127 Circle -7500403 true true 45 90 120 Circle -7500403 true true 104 74 152 triangle false 0 Polygon -7500403 true true 150 30 15 255 285 255 triangle 2 false 0 Polygon -7500403 true true 150 30 15 255 285 255 Polygon -16777216 true false 151 99 225 223 75 224 truck false 0 Rectangle -7500403 true true 4 45 195 187 Polygon -7500403 true true 296 193 296 150 259 134 244 104 208 104 207 194 Rectangle -1 true false 195 60 195 105 Polygon -16777216 true false 238 112 252 141 219 141 218 112 Circle -16777216 true false 234 174 42 Rectangle -7500403 true true 181 185 214 194 Circle -16777216 true false 144 174 42 Circle -16777216 true false 24 174 42 Circle -7500403 false true 24 174 42 Circle -7500403 false true 144 174 42 Circle -7500403 false true 234 174 42 turtle true 0 Polygon -10899396 true false 215 204 240 233 246 254 228 266 215 252 193 210 Polygon -10899396 true false 195 90 225 75 245 75 260 89 269 108 261 124 240 105 225 105 210 105 Polygon -10899396 true false 105 90 75 75 55 75 40 89 31 108 39 124 60 105 75 105 90 105 Polygon -10899396 true false 132 85 134 64 107 51 108 17 150 2 192 18 192 52 169 65 172 87 Polygon -10899396 true false 85 204 60 233 54 254 72 266 85 252 107 210 Polygon -7500403 true true 119 75 179 75 209 101 224 135 220 225 175 261 128 261 81 224 74 135 88 99 wheel false 0 Circle -7500403 true true 3 3 294 Circle -16777216 true false 30 30 240 Line -7500403 true 150 285 150 15 Line -7500403 true 15 150 285 150 Circle -7500403 true true 120 120 60 Line -7500403 true 216 40 79 269 Line -7500403 true 40 84 269 221 Line -7500403 true 40 216 269 79 Line -7500403 true 84 40 221 269 x false 0 Polygon -7500403 true true 270 75 225 30 30 225 75 270 Polygon -7500403 true true 30 75 75 30 270 225 225 270 @#$#@#$#@ NetLogo 4.0.2 @#$#@#$#@ @#$#@#$#@ @#$#@#$#@ @#$#@#$#@ @#$#@#$#@ default 0.0 -0.2 0 0.0 1.0 0.0 1 1.0 0.0 0.2 0 0.0 1.0 link direction true 0 Line -7500403 true 150 150 90 180 Line -7500403 true 150 150 210 180 @#$#@#$#@