0
AIが何をしているのかを説明し、発生したエラーを示すその他の重要なデータを記録するnetlogoプロジェクトを作成します。私は、ユーザーマニュアルにロギングタブがあるのを見ましたが、ちょっと古くて役に立ちませんが、CSVと呼ばれる拡張機能がありますが、このプロジェクトに拡張機能を追加したくないということを知っています。ここで私は現在使用しているコードです。Netlogoでデータを記録するにはどうすればいいですか？
; global variables used
globals
[
open ; the open list of patches
closed ; the closed list of patches
optimal-path ; the optimal path, list of patches from source to destination
]
; patch variables used
patches-own
[
parent-patch ; patch's predecessor
f ; the value of knowledge plus heuristic cost function f()
g ; the value of knowledge cost function g()
h ; the value of heuristic cost function h()
]
; turtle variables used
turtles-own
[
path ; the optimal path from source to destination
current-path ; part of the path that is left to be traversed
]
; setup the world
to Setup
;; (for this model to work with NetLogo's new plotting features,
;; __clear-all-and-reset-ticks should be replaced with clear-all at
;; the beginning of your setup procedure and reset-ticks at the end
;; of the procedure.)
__clear-all-and-reset-ticks ;; clear everything (the view and all the variables)
create-source-and-destination
end
; create the source and destination at two random locations on the view
to create-source-and-destination
ask one-of patches with [pcolor = black]
[
set pcolor blue
set plabel "source"
sprout 1
[
set color red
;pd
]
]
ask one-of patches with [pcolor = black]
[
set pcolor green
set plabel "destination"
]
end
; draw the selected maze elements on the view
to draw
if mouse-inside?
[
ask patch mouse-xcor mouse-ycor
[
sprout 1
[
set shape "square"
die
]
]
;draw obstacles
if Select-element = "obstacles"
[
if mouse-down?
[
if [pcolor] of patch mouse-xcor mouse-ycor = black or [pcolor] of patch mouse-xcor mouse-ycor = brown or [pcolor] of patch mouse-xcor mouse-ycor = yellow
[
ask patch mouse-xcor mouse-ycor
[
set pcolor white
]
]
]
]
;erase obstacles
if Select-element = "erase obstacles"
[
if mouse-down?
[
if [pcolor] of patch mouse-xcor mouse-ycor = white
[
ask patch mouse-xcor mouse-ycor
[
set pcolor black
]
]
]
]
;draw source patch
if Select-element = "source"
[
if mouse-down?
[
let m-xcor mouse-xcor
let m-ycor mouse-ycor
if [plabel] of patch m-xcor m-ycor != "destination"
[
ask patches with [plabel = "source"]
[
set pcolor black
set plabel ""
]
ask turtles
[
die
]
ask patch m-xcor m-ycor
[
set pcolor blue
set plabel "source"
sprout 1
[
set color red
;pd
]
]
]
]
]
;draw destination patch
if Select-element = "destination"
[
if mouse-down?
[
let m-xcor mouse-xcor
let m-ycor mouse-ycor
if [plabel] of patch m-xcor m-ycor != "source"
[
ask patches with [plabel = "destination"]
[
set pcolor black
set plabel ""
]
ask patch m-xcor m-ycor
[
set pcolor green
set plabel "destination"
]
]
]
]
]
end
; call the path finding procedure, update the turtle (agent) variables, output text box
; and make the agent move to the destination via the path found
to find-shortest-path-to-destination
reset-ticks
ask one-of turtles
[
move-to one-of patches with [plabel = "source"]
set path find-a-path one-of patches with [plabel = "source"] one-of patches with [plabel = "destination"]
set optimal-path path
set current-path path
]
output-show (word "Shortest path length : " length optimal-path)
move
end
; the actual implementation of the A* path finding algorithm
; it takes the source and destination patches as inputs
; and reports the optimal path if one exists between them as output
to-report find-a-path [ source-patch destination-patch]
; initialize all variables to default values
let search-done? false
let search-path []
let current-patch 0
set open []
set closed []
; add source patch in the open list
set open lput source-patch open
; loop until we reach the destination or the open list becomes empty
while [ search-done? != true]
[
ifelse length open != 0
[
; sort the patches in open list in increasing order of their f() values
set open sort-by [[f] of ?1 < [f] of ?2] open
; take the first patch in the open list
; as the current patch (which is currently being explored (n))
; and remove it from the open list
set current-patch item 0 open
set open remove-item 0 open
; add the current patch to the closed list
set closed lput current-patch closed
; explore the Von Neumann (left, right, top and bottom) neighbors of the current patch
ask current-patch
[
; if any of the neighbors is the destination stop the search process
ifelse any? neighbors4 with [ (pxcor = [ pxcor ] of destination-patch) and (pycor = [pycor] of destination-patch)]
[
set search-done? true
]
[
; the neighbors should not be obstacles or already explored patches (part of the closed list)
ask neighbors4 with [ pcolor != white and (not member? self closed) and (self != parent-patch) ]
[
; the neighbors to be explored should also not be the source or
; destination patches or already a part of the open list (unexplored patches list)
if not member? self open and self != source-patch and self != destination-patch
[
;set pcolor 45
; add the eligible patch to the open list
set open lput self open
; update the path finding variables of the eligible patch
set parent-patch current-patch
set g [g] of parent-patch + 1
set h distance destination-patch
set f (g + h)
]
]
]
if self != source-patch
[
;set pcolor 35
]
]
]
[
; if a path is not found (search is incomplete) and the open list is exhausted
; display a user message and report an empty search path list.
user-message("A path from the source to the destination does not exist.")
report []
]
]
; if a path is found (search completed) add the current patch
; (node adjacent to the destination) to the search path.
set search-path lput current-patch search-path
; trace the search path from the current patch
; all the way to the source patch using the parent patch
; variable which was set during the search for every patch that was explored
let temp first search-path
while [ temp != source-patch ]
[
ask temp
[
set pcolor 85
]
set search-path lput [parent-patch] of temp search-path
set temp [parent-patch] of temp
]
; add the destination patch to the front of the search path
set search-path fput destination-patch search-path
; reverse the search path so that it starts from a patch adjacent to the
; source patch and ends at the destination patch
set search-path reverse search-path
; report the search path
report search-path
end
; make the turtle traverse (move through) the path all the way to the destination patch
to move
ask one-of turtles
[
while [length current-path != 0]
[
go-to-next-patch-in-current-path
;pd
wait 0.05
]
if length current-path = 0
[
;pu
]
]
end
to go-to-next-patch-in-current-path
face first current-path
repeat 10
[
fd 0.1
]
move-to first current-path
if [plabel] of patch-here != "source" and [plabel] of patch-here != "destination"
[
ask patch-here
[
set pcolor black
]
]
set current-path remove-item 0 current-path
end
; clear the view of everything but the source and destination patches
to clear-view
cd
ask patches with[ plabel != "source" and plabel != "destination" ]
[
set pcolor black
]
end
; load a maze from the file system
to load-maze [ maze ]
if maze != false
[
ifelse (item (length maze - 1) maze = "g" and item (length maze - 2) maze = "n" and item (length maze - 3) maze = "p" and item (length maze - 4) maze = ".")
[
save-maze "temp.png"
;; (for this model to work with NetLogo's new plotting features,
;; __clear-all-and-reset-ticks should be replaced with clear-all at
;; the beginning of your setup procedure and reset-ticks at the end
;; of the procedure.)
__clear-all-and-reset-ticks
import-pcolors maze
ifelse count patches with [pcolor = blue] = 1 and count patches with [pcolor = green] = 1
[
ask patches
[
set plabel ""
]
ask turtles
[
die
]
ask one-of patches with [pcolor = blue]
[
set plabel "source"
sprout 1
[
set color red
;pd
]
]
ask one-of patches with [pcolor = green]
[
set plabel "destination"
]
]
[
;; (for this model to work with NetLogo's new plotting features,
;; __clear-all-and-reset-ticks should be replaced with clear-all at
;; the beginning of your setup procedure and reset-ticks at the end
;; of the procedure.)
__clear-all-and-reset-ticks
user-message "The selected image is not a valid maze."
load-maze "temp.png"
;;clear-view
]
]
[
user-message "The selected file is not a valid image."
]
]
end
; save a maze as a PNG image into the system
to save-maze [filename]
if any? patches with [pcolor != black]
[
clear-unwanted-elements
export-view (filename)
restore-labels
]
end
; clear the view of everything but the obstacles, source and destination patches
; so that the view can be saved as a PNG image
to clear-unwanted-elements
if any? patches with [pcolor = brown or pcolor = yellow ]
[
ask patches with [pcolor = brown or pcolor = yellow ]
[
set pcolor black
]
]
if any? patches with [pcolor = blue]
[
ask one-of patches with [pcolor = blue]
[
set plabel ""
]
]
if any? patches with [pcolor = green]
[
ask one-of patches with [pcolor = green]
[
set plabel ""
]
]
clear-drawing
ask turtles
[
die
]
end
; re-label the source and destination patches ones
; the maze image file has been saved
to restore-labels
ask one-of patches with [pcolor = blue]
[
set plabel "source"
sprout 1
[
set color red
;pd
]
]
ask one-of patches with [pcolor = green]
[
set plabel "destination"
]
end
ファイル出力例（コード例）。 –