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NetLogo 3.0.2 User Manual ♦ "Control strip" including speed slider ♦ Powerful and flexible plotting system ♦ Info area for annotating your model ♦ HubNet: participatory simulations using networked devices ♦ Agent monitors for inspecting and controlling agents ♦ Export and import functions (export data, save and restore state of model) ♦ BehaviorSpace tool used to collect data from multiple runs of a model ♦ System Dynamics Modeler • Web: ♦ Models can be saved as applets to be embedded in web pages (note: some features are not available from applets, such as extensions and the 3D view) 2 What is NetLogo?
Copyright Information Copyright 1999 by Uri Wilensky. All rights reserved. The NetLogo software, models and documentation are distributed free of charge for use by the public to explore and construct models. Permission to copy or modify the NetLogo software, models and documentation for educational and research purposes only and without fee is hereby granted, provided that this copyright notice and the original author's name appears on all copies and supporting documentation. For any other uses of this software, in original or modified form, including but not limited to distribution in whole or in part, specific prior permission must be obtained from Uri Wilensky. The software, models and documentation shall not be used, rewritten, or adapted as the basis of a commercial software or hardware product without first obtaining appropriate licenses from Uri Wilensky. We make no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. To reference this software in academic publications, please use: Wilensky, U. (1999). NetLogo. http://ccl.northwestern.edu/netlogo/. Center for Connected Learning and Computer−Based Modeling, Northwestern University, Evanston, IL. The project gratefully acknowledges the support of the National Science Foundation (REPP and ROLE Programs) −− grant numbers REC #9814682 and REC #0126227. Third party licenses For random number generation, NetLogo uses the MersenneTwisterFast class by Sean Luke. The copyright for that code is as follows: Copyright (c) 2003 by Sean Luke. Portions copyright (c) 1993 by Michael Lecuyer. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. • Neither the name of the copyright owners, their employers, nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, Copyright Information 3
Page 1: NetLogo 3.0.2 User Manual
Page 4 and 5: NetLogo 3.0.2 User Manual Table of
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
Page 60 and 61: NetLogo 3.0.2 User Manual 44 Tutori
Page 62 and 63: Now you have a button called 'setup
Page 64 and 65: Then add its procedure to the Proce
Page 66 and 67: 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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