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NetLogo 3.0.2 User Manual Table of Contents Primitives Dictionary Built−In Variables.................................................................................................................169 Turtles............................................................................................................................169 Patches..........................................................................................................................169 Other..............................................................................................................................169 Keywords.............................................................................................................................169 Constants.............................................................................................................................170 Mathematical Constants.................................................................................................170 Boolean Constants.........................................................................................................170 Color Constants.............................................................................................................170 A ..........................................................................................................................................170 abs.................................................................................................................................170 acos...............................................................................................................................171 and.................................................................................................................................171 any?...............................................................................................................................171 Arithmetic Operators (+, *, −, /, ^, , =, !=, =).....................................................171 asin................................................................................................................................172 ask.................................................................................................................................172 at−points........................................................................................................................172 atan................................................................................................................................173 autoplot?........................................................................................................................173 auto−plot−off auto−plot−on............................................................................................173 B ..........................................................................................................................................173 back bk...........................................................................................................................173 beep...............................................................................................................................174 breed..............................................................................................................................174 breeds............................................................................................................................174 but−first bf but−last bl.....................................................................................................175 C .........................................................................................................................................175 carefully..........................................................................................................................175 ceiling.............................................................................................................................176 clear−all ca.....................................................................................................................176 clear−all−plots................................................................................................................176 clear−drawing cd............................................................................................................176 clear−output...................................................................................................................176 clear−patches cp............................................................................................................177 clear−plot.......................................................................................................................177 clear−turtles ct................................................................................................................177 color...............................................................................................................................177 cos.................................................................................................................................178 count..............................................................................................................................178 create−turtles crt create−...............................................................................178 create−custom−turtles cct create−custom− cct−..........................178 create−temporary−plot−pen...........................................................................................179 D .........................................................................................................................................179 date−and−time...............................................................................................................180 die..................................................................................................................................180 diffuse............................................................................................................................180 viii
NetLogo 3.0.2 User Manual Table of Contents Primitives Dictionary diffuse4..........................................................................................................................180 display............................................................................................................................181 distance..........................................................................................................................181 distance−nowrap............................................................................................................182 distancexy......................................................................................................................182 distancexy−nowrap........................................................................................................182 downhill..........................................................................................................................182 downhill4........................................................................................................................183 dx dy..............................................................................................................................183 E ..........................................................................................................................................183 empty?...........................................................................................................................184 end.................................................................................................................................184 error−message...............................................................................................................184 every..............................................................................................................................184 exp.................................................................................................................................185 export−view export−interface export−output export−plot export−all−plots export−world............................................................................................................185 extract−hsb....................................................................................................................186 extract−rgb.....................................................................................................................186 F ..........................................................................................................................................186 face face−nowrap...........................................................................................................186 facexy facexy−nowrap...................................................................................................187 file−at−end?...................................................................................................................187 file−close........................................................................................................................187 file−close−all..................................................................................................................188 file−delete.......................................................................................................................188 file−exists?.....................................................................................................................188 file−open........................................................................................................................188 file−print.........................................................................................................................189 file−read.........................................................................................................................189 file−read−characters......................................................................................................190 file−read−line..................................................................................................................190 file−show........................................................................................................................190 file−type..........................................................................................................................191 file−write.........................................................................................................................191 filter................................................................................................................................191 first.................................................................................................................................192 floor................................................................................................................................192 follow..............................................................................................................................192 follow−me.......................................................................................................................192 foreach...........................................................................................................................192 forward fd.......................................................................................................................193 fput.................................................................................................................................193 G .........................................................................................................................................193 globals............................................................................................................................193 H .........................................................................................................................................194 hatch hatch−..................................................................................................194 ix
Page 1: NetLogo 3.0.2 User Manual
Page 4 and 5: NetLogo 3.0.2 User Manual Table of
Page 18 and 19: NetLogo 3.0.2 User Manual ♦ "Cont
Page 20 and 21: NetLogo 3.0.2 User Manual PROCUREME
Page 22 and 23: NetLogo 3.0.2 User Manual For graph
Page 24 and 25: NetLogo 3.0.2 User Manual ♦ new c
Page 26 and 27: NetLogo 3.0.2 User Manual ♦ fixed
Page 28 and 29: Version 1.3 (June 2003) • graphic
Page 30 and 31: System Requirements: Saved Applets
Page 32 and 33: NetLogo 3.0.2 User Manual 16 System
Page 34 and 35: • On Mac OS X 10.2 only, opening
Page 36 and 37: NetLogo 3.0.2 User Manual 20 Contac
Page 38 and 39: 5. Press the "open" button. 6. Wait
Page 40 and 41: tolerance level, more mixed groups
Page 42 and 43: • Press the "setup" button. What
Page 44 and 45: Another type of setting is called a
Page 46 and 47: Let's experiment with the effect of
Page 48 and 49: NetLogo 3.0.2 User Manual In Wolf S
Page 50 and 51: Sample Models The Sample Models sec
Page 52 and 53: In Traffic Basic: • Press the "se
Page 54 and 55: • Choose "Turtles" from the popup
Page 56 and 57: To get a color that doesn't have it
Page 58 and 59: other way is to type inspect turtle
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NetLogo 3.0.2 User Manual 44 Tutori
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Now you have a button called 'setup
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Then add its procedure to the Proce
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The setup−patches procedure sets
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that. Write: to setup−patches ask
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Another common tool to see what's g
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in the code. Even one extra space w
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What's Next? So now you have a nice
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NetLogo 3.0.2 User Manual 60 Tutori
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Edit Tools Export Interface Save a
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The buttons in the toolbar are desc
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NetLogo 3.0.2 User Manual • The o
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Some shapes have true 3D counterpar
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NetLogo 3.0.2 User Manual To determ
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We recommend reading the Informatio
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NetLogo 3.0.2 User Manual 74 Interf
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The total number of patches is dete
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If a variable is a global variable,
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NetLogo 3.0.2 User Manual You can a
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Usually, the observer uses ask to a
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Code Example: Ask Agentset Example
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Example #3: The user has two foreve
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The Primitives Dictionary has a sec
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foreach [1 2 3] [ ask turtles [ fd
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When entering a number, the letter
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Plotting NetLogo's plotting feature
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with the set−plot−pen−interva
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Output This section is about output
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The user−choose−directory, user
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NetLogo 3.0.2 User Manual 102 Progr
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Shapes library And here are the sha
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Other buttons The "Rotate Left" and
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Historical Note Old versions of Net
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Go commands: These commands will be
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The −−experiment argument is us
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encoding than us−ascii, such as U
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Computer HubNet Activities The foll
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particular, networks that use the I
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NetLogo 3.0.2 User Manual 120 HubNe
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If you are using Computer HubNet, y
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When using Calculator HubNet the hu
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CC−WINDOW 323 339 638 459 Command
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NetLogo 3.0.2 User Manual 128 HubNe
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Just use the URL where you have sto
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as getIntegerValue(). • Throw org
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NetLogo 3.0.2 User Manual The exten
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} } } catch( java.io.IOException ex
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The two forms of runExperiment that
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succesfully use them, or run into p
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output−port−coast output−port
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set−output−port−power set−o
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play−drum play−drum drum veloci
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NetLogo 3.0.2 User Manual 17. Drawb
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• Can I use the mouse to "paint"
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Is the source code to NetLogo avail
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Will NetLogo and NetLogo 3D remain
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Can a model saved as an applet use
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• Use the freeze switch in the vi
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un across multiple computers, but y
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The NetLogo world is a torus, that
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I'm getting numbers like 0.10000000
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[ ask ? [ ... ] ] NetLogo 3.0.2 Use
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Color primitives color extract−hs
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Constants Mathematical Constants e
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If you are not sure how NetLogo wil
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eep beep Emits a beep. Note that th
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The error−message reporter can be
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color This is a built−in turtle v
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date−and−time date−and−time
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Unlike "distance−nowrap", turtles
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empty? empty? list empty? string Re
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values" (.csv) format. CSV files ca
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file−close−all file−close−a
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file−read−characters file−rea
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first first list first string On a
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Most often, globals is used to defi
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histogram−from turtles [color] ;;
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hubnet−message−source hubnet−
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Future versions of HubNet will supp
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import−world import−world filen
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is−string? is−turtle? is−turt
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left lt left number The turtle turn
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M map map [reporter] list (map [rep
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min−one−of min−one−of agent
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movie−grab−view movie−grab−
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neighbors neighbors4 Reports an age
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Note that nsum/nsum4 are equivalent
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See also patch−at. patch−ahead
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patches−own patches−own [var1 v
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plot−name plot−name Reports the
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pxcor pycor pxcor pycor These are b
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;; mean of 3.4 random−int−or−
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=> 8 show length read−from−stri
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emove−item remove−item index li
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ide ride turtle Set the perspective
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screen−edge−x screen−edge−y
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set−current−directory string Se
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• 2 (point mode): the plot pen dr
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=> [5 2 4 1 3] show shuffle [1 2 3
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startup startup User−defined proc
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that high in practice may vary from
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=> 40 If the name of a breed is sub
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The calling agent is not printed be
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show user−input "What is your nam
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while [reporter] [ commands ] If re
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show word "tur" "tle" => "turtle" w
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NetLogo 3.0.2 User Manual 256 Primi
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