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NetLogo 3.0.2 User Manual PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Parts of NetLogo (specifically, the random−gamma primitive) are based on code from the Colt library (http://hoschek.home.cern.ch/hoschek/colt/). The copyright for that code is as follows: Copyright 1999 CERN − European Organization for Nuclear Research. Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. CERN makes no representations about the suitability of this software for any purpose. It is provided "as is" without expressed or implied warranty. NetLogo uses the MRJ Adapter library, which is Copyright (c) 2003 Steve Roy . The library is covered by the GNU LGPL (Lesser General Public License). The text of that license is included in the "docs" folder which accompanies the NetLogo download, and is also available from http://www.gnu.org/copyleft/lesser.html. NetLogo uses the Quaqua Look and Feel library, which is Copyright (c) 2003−2005 Werner Randelshofer, http://www.randelshofer.ch/, werner.randelshofer@bluewin.ch, All Rights Reserved. The library is covered by the GNU LGPL (Lesser General Public License). The text of that license is included in the "docs" folder which accompanies the NetLogo download, and is also available from http://www.gnu.org/copyleft/lesser.html . For the system dynamics modeler, NetLogo uses the JHotDraw library, which is Copyright (c) 1996, 1997 by IFA Informatik and Erich Gamma. The library is covered by the GNU LGPL (Lesser General Public License). The text of that license is included in the "docs" folder which accompanies the NetLogo download, and is also available from http://www.gnu.org/copyleft/lesser.html . For movie−making, NetLogo uses code adapted from sim.util.media.MovieEncoder.java by Sean Luke, distributed under the MASON Open Source License. The copyright for that code is as follows: This software is Copyright 2003 by Sean Luke. Portions Copyright 2003 by Gabriel Catalin Balan, Liviu Panait, Sean Paus, and Dan Kuebrich. All Rights Reserved. Developed in Conjunction with the George Mason University Center for Social Complexity By using the source code, binary code files, or related data included in this distribution, you agree to the following terms of usage for this software distribution. All but a few source code files in this distribution fall under this license; the exceptions contain open source licenses embedded in the source code files themselves. In this license the Authors means the Copyright Holders listed above, and the license itself is Copyright 2003 by Sean Luke. The Authors hereby grant you a world−wide, royalty−free, non−exclusive license, subject to third party intellectual property claims: to use, reproduce, modify, display, perform, sublicense and distribute all or any portion of the source code or binary form of this software or related data with or without modifications, or as part of a 4 Copyright Information
larger work; and under patents now or hereafter owned or controlled by the Authors, to make, have made, use and sell ("Utilize") all or any portion of the source code or binary form of this software or related data, but solely to the extent that any such patent is reasonably necessary to enable you to Utilize all or any portion of the source code or binary form of this software or related data, and not to any greater extent that may be necessary to Utilize further modifications or combinations. In return you agree to the following conditions: NetLogo 3.0.2 User Manual If you redistribute all or any portion of the source code of this software or related data, it must retain the above copyright notice and this license and disclaimer. If you redistribute all or any portion of this code in binary form, you must include the above copyright notice and this license and disclaimer in the documentation and/or other materials provided with the distribution, and must indicate the use of this software in a prominent, publically accessible location of the larger work. You must not use the Authors's names to endorse or promote products derived from this software without the specific prior written permission of the Authors. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS, NOR THEIR EMPLOYERS, NOR GEORGE MASON UNIVERSITY, BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. For movie−making, NetLogo uses code adapted from JpegImagesToMovie.java by Sun Microsystems. The copyright for that code is as follows: Copyright (c) 1999−2001 Sun Microsystems, Inc. All Rights Reserved. Sun grants you ("Licensee") a non−exclusive, royalty free, license to use, modify and redistribute this software in source and binary code form, provided that i) this copyright notice and license appear on all copies of the software; and ii) Licensee does not utilize the software in a manner which is disparaging to Sun. This software is provided "AS IS," without a warranty of any kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON−INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. This software is not designed or intended for use in on−line control of aircraft, air traffic, aircraft navigation or aircraft communications; or in the design, construction, operation or maintenance of any nuclear facility. Licensee represents and warrants that it will not use or redistribute the Software for such purposes. Copyright Information 5
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 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
Page 68 and 69: that. Write: to setup−patches ask
Page 70 and 71:
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
Page 272:
NetLogo 3.0.2 User Manual 256 Primi
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