From: Frank Duncan Date: Sat, 2 Apr 2016 00:58:22 +0000 (-0500) Subject: Parse models v1 - sections X-Git-Tag: v0.1.0~65 X-Git-Url: https://code.consxy.com/gitweb/gitweb.cgi?a=commitdiff_plain;h=c49ca54;p=clnl Parse models v1 - sections --- diff --git a/bin/all.lisp b/bin/all.lisp index 441810a..a790a20 100644 --- a/bin/all.lisp +++ b/bin/all.lisp @@ -16,7 +16,7 @@ (when (not (find-package :docgen)) (asdf:load-system :docgen)) (format t "~%~c[1;33mChecking Docs~c[0m~%" #\Esc #\Esc) (when (not (docgen:pretty-print-validate-packages - :clnl :clnl-parser :clnl-random :clnl-transpiler :clnl-nvm :clnl-lexer :clnl-interface :clnl-cli)) + :clnl :clnl-parser :clnl-random :clnl-transpiler :clnl-nvm :clnl-lexer :clnl-interface :clnl-cli :clnl-model)) (format t "~c[1;31mFailed doc check!~c[0m~%" #\Esc #\Esc) (sb-ext:exit :code 1)) (format t "~c[1;32m- Doc Check Passed!~c[0m~%" #\Esc #\Esc) diff --git a/bin/generatedocs.sh b/bin/generatedocs.sh index e904474..ac3cce3 100755 --- a/bin/generatedocs.sh +++ b/bin/generatedocs.sh @@ -13,7 +13,9 @@ generatedoc() { generatedoc :clnl > wiki/DocsMain.md generatedoc :clnl-nvm > wiki/DocsNvm.md generatedoc :clnl-interface > wiki/DocsOtherPackages.md +generatedoc :clnl-cli > wiki/DocsOtherPackages.md generatedoc :clnl-lexer >> wiki/DocsOtherPackages.md generatedoc :clnl-parser >> wiki/DocsOtherPackages.md generatedoc :clnl-transpiler >> wiki/DocsOtherPackages.md generatedoc :clnl-random >> wiki/DocsOtherPackages.md +generatedoc :clnl-model >> wiki/DocsOtherPackages.md diff --git a/resources/models/Wolf Sheep Predation.nlogo b/resources/models/Wolf Sheep Predation.nlogo new file mode 100644 index 0000000..8b97dfd --- /dev/null +++ b/resources/models/Wolf Sheep Predation.nlogo @@ -0,0 +1,840 @@ +globals [grass] ;; keep track of how much grass there is +;; Sheep and wolves are both breeds of turtle. +breed [sheep a-sheep] ;; sheep is its own plural, so we use "a-sheep" as the singular. +breed [wolves wolf] +turtles-own [energy] ;; both wolves and sheep have energy +patches-own [countdown] + +to setup + clear-all + ask patches [ set pcolor green ] + ;; check GRASS? switch. + ;; if it is true, then grass grows and the sheep eat it + ;; if it false, then the sheep don't need to eat + if grass? [ + ask patches [ + set pcolor one-of [green brown] + if-else pcolor = green + [ set countdown grass-regrowth-time ] + [ set countdown random grass-regrowth-time ] ;; initialize grass grow clocks randomly for brown patches + ] + ] + set-default-shape sheep "sheep" + create-sheep initial-number-sheep ;; create the sheep, then initialize their variables + [ + set color white + set size 1.5 ;; easier to see + set label-color blue - 2 + set energy random (2 * sheep-gain-from-food) + setxy random-xcor random-ycor + ] + set-default-shape wolves "wolf" + create-wolves initial-number-wolves ;; create the wolves, then initialize their variables + [ + set color black + set size 2 ;; easier to see + set energy random (2 * wolf-gain-from-food) + setxy random-xcor random-ycor + ] + display-labels + set grass count patches with [pcolor = green] + reset-ticks +end + +to go + if not any? turtles [ stop ] + ask sheep [ + move + if grass? [ + set energy energy - 1 ;; deduct energy for sheep only if grass? switch is on + eat-grass + ] + death + reproduce-sheep + ] + ask wolves [ + move + set energy energy - 1 ;; wolves lose energy as they move + catch-sheep + death + reproduce-wolves + ] + if grass? [ ask patches [ grow-grass ] ] + set grass count patches with [pcolor = green] + tick + display-labels +end + +to move ;; turtle procedure + rt random 50 + lt random 50 + fd 1 +end + +to eat-grass ;; sheep procedure + ;; sheep eat grass, turn the patch brown + if pcolor = green [ + set pcolor brown + set energy energy + sheep-gain-from-food ;; sheep gain energy by eating + ] +end + +to reproduce-sheep ;; sheep procedure + if random-float 100 < sheep-reproduce [ ;; throw "dice" to see if you will reproduce + set energy (energy / 2) ;; divide energy between parent and offspring + hatch 1 [ rt random-float 360 fd 1 ] ;; hatch an offspring and move it forward 1 step + ] +end + +to reproduce-wolves ;; wolf procedure + if random-float 100 < wolf-reproduce [ ;; throw "dice" to see if you will reproduce + set energy (energy / 2) ;; divide energy between parent and offspring + hatch 1 [ rt random-float 360 fd 1 ] ;; hatch an offspring and move it forward 1 step + ] +end + +to catch-sheep ;; wolf procedure + let prey one-of sheep-here ;; grab a random sheep + if prey != nobody ;; did we get one? if so, + [ ask prey [ die ] ;; kill it + set energy energy + wolf-gain-from-food ] ;; get energy from eating +end + +to death ;; turtle procedure + ;; when energy dips below zero, die + if energy < 0 [ die ] +end + +to grow-grass ;; patch procedure + ;; countdown on brown patches: if reach 0, grow some grass + if pcolor = brown [ + ifelse countdown <= 0 + [ set pcolor green + set countdown grass-regrowth-time ] + [ set countdown countdown - 1 ] + ] +end + +to display-labels + ask turtles [ set label "" ] + if show-energy? [ + ask wolves [ set label round energy ] + if grass? [ ask sheep [ set label round energy ] ] + ] +end + + +; Copyright 1997 Uri Wilensky. +; See Info tab for full copyright and license. +@#$#@#$#@ +GRAPHICS-WINDOW +350 +10 +819 +500 +25 +25 +9.0 +1 +14 +1 +1 +1 +0 +1 +1 +1 +-25 +25 +-25 +25 +1 +1 +1 +ticks +30.0 + +SLIDER +3 +150 +177 +183 +initial-number-sheep +initial-number-sheep +0 +250 +100 +1 +1 +NIL +HORIZONTAL + +SLIDER +3 +187 +177 +220 +sheep-gain-from-food +sheep-gain-from-food +0.0 +50.0 +4 +1.0 +1 +NIL +HORIZONTAL + +SLIDER +3 +222 +177 +255 +sheep-reproduce +sheep-reproduce +1.0 +20.0 +4 +1.0 +1 +% +HORIZONTAL + +SLIDER +181 +150 +346 +183 +initial-number-wolves +initial-number-wolves +0 +250 +50 +1 +1 +NIL +HORIZONTAL + +SLIDER +181 +186 +346 +219 +wolf-gain-from-food +wolf-gain-from-food +0.0 +100.0 +20 +1.0 +1 +NIL +HORIZONTAL + +SLIDER +181 +222 +346 +255 +wolf-reproduce +wolf-reproduce +0.0 +20.0 +5 +1.0 +1 +% +HORIZONTAL + +SWITCH +5 +87 +99 +120 +grass? +grass? +1 +1 +-1000 + +SLIDER +106 +88 +318 +121 +grass-regrowth-time +grass-regrowth-time +0 +100 +30 +1 +1 +NIL +HORIZONTAL + +BUTTON +8 +28 +77 +61 +setup +setup +NIL +1 +T +OBSERVER +NIL +NIL +NIL +NIL +1 + +BUTTON +90 +28 +157 +61 +go +go +T +1 +T +OBSERVER +NIL +NIL +NIL +NIL +0 + +PLOT +12 +312 +328 +509 +populations +time +pop. +0.0 +100.0 +0.0 +100.0 +true +true +"" "" +PENS +"sheep" 1.0 0 -13345367 true "" "plot count sheep" +"wolves" 1.0 0 -2674135 true "" "plot count wolves" +"grass / 4" 1.0 0 -10899396 true "" "if grass? [ plot grass / 4 ]" + +MONITOR +50 +265 +121 +310 +sheep +count sheep +3 +1 +11 + +MONITOR +125 +265 +207 +310 +wolves +count wolves +3 +1 +11 + +MONITOR +211 +265 +287 +310 +NIL +grass / 4 +0 +1 +11 + +TEXTBOX +8 +130 +148 +149 +Sheep settings +11 +0.0 +0 + +TEXTBOX +186 +130 +299 +148 +Wolf settings +11 +0.0 +0 + +TEXTBOX +9 +68 +161 +86 +Grass settings +11 +0.0 +0 + +SWITCH +167 +28 +303 +61 +show-energy? +show-energy? +1 +1 +-1000 + +@#$#@#$#@ +## WHAT IS IT? + +This model explores the stability of predator-prey ecosystems. Such a system is called unstable if it tends to result in extinction for one or more species involved. In contrast, a system is stable if it tends to maintain itself over time, despite fluctuations in population sizes. + +## HOW IT WORKS + +There are two main variations to this model. + +In the first variation, wolves and sheep wander randomly around the landscape, while the wolves look for sheep to prey on. Each step costs the wolves energy, and they must eat sheep in order to replenish their energy - when they run out of energy they die. To allow the population to continue, each wolf or sheep has a fixed probability of reproducing at each time step. This variation produces interesting population dynamics, but is ultimately unstable. + +The second variation includes grass (green) in addition to wolves and sheep. The behavior of the wolves is identical to the first variation, however this time the sheep must eat grass in order to maintain their energy - when they run out of energy they die. Once grass is eaten it will only regrow after a fixed amount of time. This variation is more complex than the first, but it is generally stable. + +The construction of this model is described in two papers by Wilensky & Reisman referenced below. + +## HOW TO USE IT + +1. Set the GRASS? switch to TRUE to include grass in the model, or to FALSE to only include wolves (red) and sheep (white). +2. Adjust the slider parameters (see below), or use the default settings. +3. Press the SETUP button. +4. Press the GO button to begin the simulation. +5. Look at the monitors to see the current population sizes +6. Look at the POPULATIONS plot to watch the populations fluctuate over time + +Parameters: +INITIAL-NUMBER-SHEEP: The initial size of sheep population +INITIAL-NUMBER-WOLVES: The initial size of wolf population +SHEEP-GAIN-FROM-FOOD: The amount of energy sheep get for every grass patch eaten +WOLF-GAIN-FROM-FOOD: The amount of energy wolves get for every sheep eaten +SHEEP-REPRODUCE: The probability of a sheep reproducing at each time step +WOLF-REPRODUCE: The probability of a wolf reproducing at each time step +GRASS?: Whether or not to include grass in the model +GRASS-REGROWTH-TIME: How long it takes for grass to regrow once it is eaten +SHOW-ENERGY?: Whether or not to show the energy of each animal as a number + +Notes: +- one unit of energy is deducted for every step a wolf takes +- when grass is included, one unit of energy is deducted for every step a sheep takes + +## THINGS TO NOTICE + +When grass is not included, watch as the sheep and wolf populations fluctuate. Notice that increases and decreases in the sizes of each population are related. In what way are they related? What eventually happens? + +Once grass is added, notice the green line added to the population plot representing fluctuations in the amount of grass. How do the sizes of the three populations appear to relate now? What is the explanation for this? + +Why do you suppose that some variations of the model might be stable while others are not? + +## THINGS TO TRY + +Try adjusting the parameters under various settings. How sensitive is the stability of the model to the particular parameters? + +Can you find any parameters that generate a stable ecosystem that includes only wolves and sheep? + +Try setting GRASS? to TRUE, but setting INITIAL-NUMBER-WOLVES to 0. This gives a stable ecosystem with only sheep and grass. Why might this be stable while the variation with only sheep and wolves is not? + +Notice that under stable settings, the populations tend to fluctuate at a predictable pace. Can you find any parameters that will speed this up or slow it down? + +Try changing the reproduction rules -- for example, what would happen if reproduction depended on energy rather than being determined by a fixed probability? + +## EXTENDING THE MODEL + +There are a number ways to alter the model so that it will be stable with only wolves and sheep (no grass). Some will require new elements to be coded in or existing behaviors to be changed. Can you develop such a version? + +Can you modify the model so the sheep will flock? + +Can you modify the model so that wolf actively chase sheep? + +## NETLOGO FEATURES + +Note the use of breeds to model two different kinds of "turtles": wolves and sheep. Note the use of patches to model grass. + +Note use of the ONE-OF agentset reporter to select a random sheep to be eaten by a wolf. + +## RELATED MODELS + +Look at Rabbits Grass Weeds for another model of interacting populations with different rules. + +## CREDITS AND REFERENCES + +Wilensky, U. & Reisman, K. (1999). Connected Science: Learning Biology through Constructing and Testing Computational Theories -- an Embodied Modeling Approach. International Journal of Complex Systems, M. 234, pp. 1 - 12. (This model is a slightly extended version of the model described in the paper.) + +Wilensky, U. & Reisman, K. (2006). Thinking like a Wolf, a Sheep or a Firefly: Learning Biology through Constructing and Testing Computational Theories -- an Embodied Modeling Approach. Cognition & Instruction, 24(2), pp. 171-209. http://ccl.northwestern.edu/papers/wolfsheep.pdf + +## HOW TO CITE + +If you mention this model or the NetLogo software in a publication, we ask that you include the citations below. + +For the model itself: + +* Wilensky, U. (1997). NetLogo Wolf Sheep Predation model. http://ccl.northwestern.edu/netlogo/models/WolfSheepPredation. Center for Connected Learning and Computer-Based Modeling, Northwestern University, Evanston, IL. + +Please cite the NetLogo software as: + +* Wilensky, U. (1999). NetLogo. http://ccl.northwestern.edu/netlogo/. Center for Connected Learning and Computer-Based Modeling, Northwestern University, Evanston, IL. + +## COPYRIGHT AND LICENSE + +Copyright 1997 Uri Wilensky. + +![CC BY-NC-SA 3.0](http://ccl.northwestern.edu/images/creativecommons/byncsa.png) + +This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA. + +Commercial licenses are also available. To inquire about commercial licenses, please contact Uri Wilensky at uri@northwestern.edu. + +This model was created as part of the project: CONNECTED MATHEMATICS: MAKING SENSE OF COMPLEX PHENOMENA THROUGH BUILDING OBJECT-BASED PARALLEL MODELS (OBPML). The project gratefully acknowledges the support of the National Science Foundation (Applications of Advanced Technologies Program) -- grant numbers RED #9552950 and REC #9632612. + +This model was converted to NetLogo as part of the projects: PARTICIPATORY SIMULATIONS: NETWORK-BASED DESIGN FOR SYSTEMS LEARNING IN CLASSROOMS and/or INTEGRATED SIMULATION AND MODELING ENVIRONMENT. The project gratefully acknowledges the support of the National Science Foundation (REPP & ROLE programs) -- grant numbers REC #9814682 and REC-0126227. Converted from StarLogoT to NetLogo, 2000. + + +@#$#@#$#@ +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 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-7500403 true 40 216 269 79 +Line -7500403 true 84 40 221 269 + +wolf +false +0 +Polygon -16777216 true false 253 133 245 131 245 133 +Polygon -7500403 true true 2 194 13 197 30 191 38 193 38 205 20 226 20 257 27 265 38 266 40 260 31 253 31 230 60 206 68 198 75 209 66 228 65 243 82 261 84 268 100 267 103 261 77 239 79 231 100 207 98 196 119 201 143 202 160 195 166 210 172 213 173 238 167 251 160 248 154 265 169 264 178 247 186 240 198 260 200 271 217 271 219 262 207 258 195 230 192 198 210 184 227 164 242 144 259 145 284 151 277 141 293 140 299 134 297 127 273 119 270 105 +Polygon -7500403 true true -1 195 14 180 36 166 40 153 53 140 82 131 134 133 159 126 188 115 227 108 236 102 238 98 268 86 269 92 281 87 269 103 269 113 + +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 5.2.0 +@#$#@#$#@ +setup +set grass? true +repeat 75 [ go ] +@#$#@#$#@ +@#$#@#$#@ +@#$#@#$#@ +@#$#@#$#@ +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 + +@#$#@#$#@ +0 +@#$#@#$#@ diff --git a/src/main/clnl.internal.asd b/src/main/clnl.internal.asd index 84828c0..e6614dd 100644 --- a/src/main/clnl.internal.asd +++ b/src/main/clnl.internal.asd @@ -10,6 +10,7 @@ (asdf:defsystem clnl.internal :serial t :components ((:file "package") + (:file "model") (:file "lex") (:file "parse") (:file "nvm") diff --git a/src/main/model.lisp b/src/main/model.lisp new file mode 100644 index 0000000..5af89f2 --- /dev/null +++ b/src/main/model.lisp @@ -0,0 +1,54 @@ +(in-package #:clnl-model) + +(defvar *separator* "@#$#@#$#@") + +(defstruct model + code + interface + info + turtle-shapes + version + preview-commands + system-dynamics + behavior-space + hub-net-client + link-shapes + model-settings + delta-tick) + +(defun read-from-nlogo (str) + "READ-FROM-NLOGO STR => MODEL + +ARGUMENTS AND VALUES: + + STR: a readable stream + MODEL: an object representing the model + +DESCRIPTION: + + Takes a stream STR, reads in a nlogo file, parses it, and then + returns the model object." + (let + ((sections + (labels + ((read-sections (&optional section) + (let + ((line (read-line str nil))) + (when line + (if (string= *separator* line) + (cons section (read-sections)) + (read-sections (append section (list line)))))))) + (read-sections)))) + (make-model + :code (nth 0 sections) + :interface (nth 1 sections) + :info (nth 2 sections) + :turtle-shapes (nth 3 sections) + :version (nth 4 sections) + :preview-commands (nth 5 sections) + :system-dynamics (nth 6 sections) + :behavior-space (nth 7 sections) + :hub-net-client (nth 8 sections) + :link-shapes (nth 9 sections) + :model-settings (nth 10 sections) + :delta-tick (nth 11 sections)))) diff --git a/src/main/package.lisp b/src/main/package.lisp index e745926..dcebaf8 100644 --- a/src/main/package.lisp +++ b/src/main/package.lisp @@ -89,3 +89,14 @@ components.")) The main NetLogo interface for interacting with the program. Since CLNL is a command line interface program with a view for display purposes only, this is where all the features that the traditional NetLogo UI lives.")) + +(defpackage #:clnl-model + (:use :common-lisp :cl-charms/low-level) + (:export :read-from-nlogo) + (:documentation + "CLNL Model + +The representation, parsing, and serializing of NetLogo model files, including +all of the sections, and subsections held within. This package houses not only +the code to read and write .nlogo files, but also the living state of the model +as clnl runs."))