;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Variable declarations ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;

globals
[
  shape-names  ;; list that holds the names of the shapes a student's turtle can have
  patches-with-coords  ;; holds the agentset of patches that display coordinates if coords? is true
  rule  ;; holds the current verbal rule that the instructor gives to the users

;; quick start instructions variables
  quick-start  ;; the current quickstart instruction displayed in the quickstart monitor
  qs-item  ;; the index of the current quickstart instruction
  qs-items  ;; the list of quickstart instructions
]

turtles-own
[
  user-id  ;; the student's id
  my-num  ;; the number of the point currently picked by the student
]


;;;;;;;;;;;;;;;;;;;;;
;; Setup Functions ;;
;;;;;;;;;;;;;;;;;;;;;

to startup
  setup-quick-start
  hubnet-set-client-interface "TI-83+" [ "AAA - Function Activity 2.4" [ "L1" ] ]
  hubnet-reset
  setup
end

;; Initializes the display, and creates a list that contains the names of the shapes
;; used by turtles in this activity.  The placement of the shape names in the last
;; corresponds to the numbers sent by calculators.
to setup
  clear-output
  cp
  ct
  clear-all-plots

  ;; draw the axes
  ask patches with [ pxcor = 0 or pycor = 0 ]
  [ set pcolor 2 ]

  ;; setup the patches to draw their coordinates if coords? is true
  set patches-with-coords patches with
  [
    ;; we do not include the patch at (0, -screen-edge-x) since the plabel will be cut off by the edge of the 
    ;; graphics window if we do.  so we include (0, -screen-edge-x + 2) instead and have it draw the patch at 
    ;; (0, -screen-edge-x)'s plabel
    ( pxcor = 0 and ( pycor = 0 or abs pycor = floor ( screen-edge-y / 2 ) or abs pycor = screen-edge-y ) ) or 
    ( pycor = 0 and ( abs pxcor = floor ( screen-edge-x / 2 ) or pxcor = screen-edge-x ) ) or
    ( pycor = 0 and pxcor = ( 2 - screen-edge-x ) )
  ]
  update-coords

  ;; create a list of the shape names for the calculators to use
  set shape-names ["wide wedge" "square" "" "thin wedge" "" "" "" "car"]

  ;; initially set the rule to nothing
  set rule ""
  
  ;; send the appropriate setup information to the calculators
  setup-hubnet
end

;; give the user some information about what the setup button does so they can 
;; know whether they want to proceed before actually doing the setup
to setup-prompt
  if user-yes-or-no? ("The SETUP button should only be used when starting "
              + "over with a new group (such as a new set of students) since "
              + "all data is lost.  Use the RE-RUN button for continuing with "
              + "an existing group."
              + "\n\nDo you really want to setup the model?")
  [
    user-message "Before closing this dialog, please do the following:"
                 + "\n  -Have everyone that is currently logged in, log off and "
                 + "clear the calulator memory. (Press 2nd MEM 7 1 2)"
                 + "\n  -Open the teacher console for this activity and press the ERASE ALL DATA button."
    setup
  ]
end


;;;;;;;;;;;;;;;;;;;;;;;
;; Runtime Functions ;;
;;;;;;;;;;;;;;;;;;;;;;;

;; receives information from the calculators and runs the simulation
to go
  listen-calc
  update-coords
end

;; draw or erase coordinates on the patches in patches-with-coords based on the state of coords?
to update-coords
  ifelse( coords? )
  [
    ;; if coords? is true, draw in the coordinates of certain patches defined by patches-with-coords
    ask patches-with-coords
    [
      ifelse ( pycor = 0 and pxcor = ( 2 - screen-edge-x ) )
      [ set plabel "(" + ( - screen-edge-x ) + ",0)" ]
      [ set plabel "(" + pxcor + "," + pycor + ")" ]
    ]
  ]
  [  
    ;; if coords? is false, erase the coordinates of certain patches defined by patches-with-coords
    ask patches-with-coords
    [ set plabel no-label ]
  ]
end

;; sets rule to the value that the user enters in an input dialog
to set-rule
  set rule user-input "Enter the Verbal Rule:"
end


;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Quick Start functions ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; initialize instructions to quickly setup the model, calculators, and TISchool webpage to run this activity
to setup-quick-start
  set qs-item 0
  set qs-items
  [
    "Teacher: Follow these directions to setup the HubNet activity."
    "Optional- Zoom In (see Tools in the Menu Bar) - optional"
    "Press the GO button."
    "Everyone: Reset the RAM on your calculator (2nd MEM 7 1 2)."
    "Login to the calculator."
    "Choose the PICK POINTS option."
    "Remember your shape and color and press ENTER."
    "Move around using the arrow keys to..." "acquaint yourselves with the interface."
    "Teacher: Tell the students a verbal rule, such as..." "Move until your Y is twice your X."
    "Optional- Press the NetLogo SET RULE button and enter..." "the verbal rule to be displayed in..." "the CURRENT VERBAL RULE monitor."
    "Everyone: Pick some points that meet the requirements of..." "the verbal rule."
    "This is done by moving to a point with the arrow keys and..." "then choosing that point by pressing ENTER or the PICK softkey."
    "Press the REDO softkey to repick the last picked point."
    "When you are done picking points, press the DONE softkey."
    "Choose the VIEW POINTS option to view the last point chosen by..." "each member of the class as well as all the points chosen by you."
    "When finished viewing the points, press the DONE softkey."
    "Then, you can create an equation using the CREATE EQN option."
    "Try to match the equation as closely as possible to..." "the last points picked."
    "You may keep on trying different equations by pressing..." "the REDO softkey and entering a new equation at the prompt."
    "When you have chosen the best fit curve, press the DONE softkey."
    "You can view the class' equations using the VIEW EQNS option."
    "Press the RFSH softkey to get any new equations."
    "When you are done viewing the equations chosen,..." "press the DONE softkey."
    
    "Teacher: To rerun the activity, do not clear the server."
    "Stop the simulation by pressing the NetLogo GO button."
    "Press the NetLogo RE-RUN button."
    "Press the GO button."
    "Everyone: Exit to the calculator Main Menu."
    "Choose the RESTART option from the calculator Main Menu."
    "Choose the PICK POINTS option and continue."
        
    "Teacher: To start the simulation over with a new group,..." "stop the model by pressing the NetLogo GO button, if it is on."
    "Have everyone, including yourself, logout of their calculators."
    "Press the ERASE ALL DATA button on the TISCHOOL site."
    "Press the NetLogo SETUP button."
    "Follow these instructions from the beginning again."
  ]
  set quick-start item qs-item qs-items
end

;; view the next item in the quickstart monitor
to view-next
  set qs-item qs-item + 1
  if qs-item >= length qs-items
  [ set qs-item length qs-items - 1 ]
  set quick-start item qs-item qs-items
end

;; view the previous item in the quickstart monitor
to view-prev
  set qs-item qs-item - 1
  if qs-item < 0
  [ set qs-item 0 ]
  set quick-start item qs-item qs-items
end


;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Code for interacting with the calculators ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;; send the appropriate setup information to the calculators
to setup-hubnet
  locals
  [
    parameters  ;; the setup information to be sent to the calculators
  ]
  
  set parameters [ 0 ]  ;; 0 means that we can pick multiple points on the calculators
  set parameters lput (- screen-edge-x) parameters  ;; append the negative screen-edge-x
  set parameters lput screen-edge-x parameters  ;; append the screen-edge-x
  set parameters lput (- screen-edge-y) parameters  ;; append the negative screen-edge-y
  set parameters lput screen-edge-y parameters  ;; append the screen-edge-y

  hubnet-broadcast "PARAM" parameters
end

;; when a command is sent, this finds out which calculator sent it and then executes the command
to listen-calc
  locals
  [
    current-id
    cmd
  ]

  while [ hubnet-message-waiting? ]
  [
    hubnet-fetch-message
    set current-id hubnet-message-source
    set cmd item 0 hubnet-message
    execute-cmd current-id cmd
  ]
end

;; Calculator command codes sent to NetLogo to indicate what each student turtle is supposed to be doing:
;; 0 - create and setup (set shape, color, and initial position) a student turtle
to execute-cmd [ current-id cmd ]
  if cmd = 0
  [ exe-crt current-id ]
  if cmd = 3
  [ exe-remove current-id ]
end

;; 0 Create or Move current Turtles - receives a list 6 items long - 1, shape, color, x, y, and point number
to exe-crt [ current-id ]
  locals
  [ current-num ]
  set current-num item 6 hubnet-message
  ifelse not any? turtles with [user-id = current-id and my-num = current-num]
  [
    cct item 1 hubnet-message
    [
      set user-id current-id
      set my-num current-num
      set heading 0
      set shape item (item 2 hubnet-message) shape-names
      set color (item 3 hubnet-message)
      setxy (item 4 hubnet-message) (item 5 hubnet-message)
      if color = 3
      [ set color white ]
    ]
  ]
  [
    ask turtles with [user-id = current-id and my-num = current-num]
    [ setxy (item 4 hubnet-message) (item 5 hubnet-message) ]
  ]
end

;; 3 Remove Turtles - removes a turtle from the graphics window so a student can redo the last point
to exe-remove [ current-id ]
  locals
  [ current-num ]
  set current-num item 1 hubnet-message
  ask turtles with [user-id = current-id and my-num > current-num]
  [ die ]
end


; ***NetLogo Model Copyright Notice***

; This activity and associated models and materials was created as part of the project:
; PARTICIPATORY SIMULATIONS: NETWORK-BASED DESIGN FOR SYSTEMS LEARNING IN CLASSROOMS.
; The project gratefully acknowledges the support of the 
; National Science Foundation ( REPP program ) -- grant number REC #9814682.

; Copyright 1999 by Uri Wilensky & Walter Stroup. Updated 2001,2002. All rights reserved.

; Permission to use, modify or redistribute this model is hereby granted,
; provided that both of the following requirements are followed:
; a) this copyright notice is included.
; b) this model will not be redistributed for profit without permission
;    from the copyright holders.
; Contact the copyright holders for appropriate licenses for redistribution for
; profit.

; To refer to this model in academic publications, please use:
; Wilensky, U. & Stroup, W. (1999).  NetLogo HubNet Function Activity model.
; http://ccl.northwestern.edu/netlogo/models/HubNetFunctionActivity.
; Center for Connected Learning and Computer-Based Modeling,
; Northwestern University, Evanston, IL.

; In other publications, please use:
; Copyright 1998 by Uri Wilensky and Walter Stroup.  All rights reserved.  See
; http://ccl.northwestern.edu/netlogo/models/HubNetFunctionActivity
; for terms of use.
;
; ***End NetLogo Model Copyright Notice***
@#$#@#$#@
GRAPHICS-WINDOW
168
152
742
555
23
15
12.0
1
12
1
1
1
0

CC-WINDOW
5
569
751
664
Command Center

BUTTON
6
10
61
43
Setup
setup-prompt
NIL
1
T
OBSERVER
T
NIL

BUTTON
116
57
202
90
Go
go
T
1
T
OBSERVER
T
NIL

MONITOR
3
203
84
252
Mouse X
(round mouse-xcor) / 1
1
1

MONITOR
85
203
166
252
Mouse Y
(round mouse-ycor) / 1
1
1

MONITOR
258
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657
59
Quick Start Instructions (more details in info tab)
quick-start
0
1

BUTTON
478
60
556
93
<<< PREV
view-prev
NIL
1
T
OBSERVER
T
NIL

BUTTON
555
60
639
93
NEXT >>>
view-next
NIL
1
T
OBSERVER
T
NIL

BUTTON
276
60
394
93
Reset Instructions
setup-quick-start
NIL
1
T
OBSERVER
T
NIL

MONITOR
3
152
166
201
Number of Points at Mouse
count turtles-at round mouse-xcor round mouse-ycor
0
1

SWITCH
6
106
112
139
coords?
coords?
0
1
-1000

MONITOR
208
100
735
149
Current Verbal Rule
rule
3
1

BUTTON
116
106
202
139
Set Rule
set-rule
NIL
1
T
OBSERVER
T
NIL

BUTTON
6
57
92
90
Re-Run
setup
NIL
1
T
OBSERVER
T
NIL

@#$#@#$#@
WHAT IS IT?
-----------
Students each find points that satisfy a spoken rule, such as "Move until your y value is twice your x value."  The students can see, on their own calculators, their point and its x and y values, and on the NetLogo display they can see everyone's points moving in real-time.

Once everyone has picked one or more points that meet the rule, the students can view the last points picked by everyone.  They also have the opportunity to attempt to create an equation that best fits the last point entered by everyone.  Finally, they can view each other's equations.

This activity requires the TI Navigator activity AAA - Function Activity 2.4

For further documentation, see the Participatory Simulations Guide found at http://ccl.northwestern.edu/ps/


HOW TO USE IT
-------------

QUICKSTART INSTRUCTIONS:
------------------------
Contains instructions as to how to quickly setup the model, calculators, and TISchool web page so as to run this activity.  The instructions can be found below:

Teacher: Open the TISchool site in your web browser.
Enable activity AAA - Function Activity 2.4
Open the teacher console and press the ERASE ALL DATA button.

If it is not open already, open the NetLogo model.
If you are prompted by a Login dialog, enter your teacher id and password and any other necessary information.
Optional- Zoom In (see Tools in the Menu Bar)
Press the GO button.

Everyone: Reset the RAM on the calculator by pressing the following keys: 2nd MEM 7 1 2.
Login to the calculator.
Choose the PICK POINTS option.
Remember your shape and color and press ENTER.
Move around using the arrow keys to acquaint yourselves with the interface.

Teacher: Tell the students a verbal rule, such as "Move until your Y is twice your X."
Optional- Press the NetLogo SET RULE button and enter the verbal rule to be displayed in the CURRENT VERBAL RULE monitor.

Everyone: Pick some points that meet the requirements of the verbal rule.  This is done by moving to a point with the arrow keys and then choosing that point by pressing ENTER or the PICK softkey.  Press the REDO softkey to repick the last picked point.
When you are done picking points, press the DONE softkey.

Choose the VIEW POINTS option to view the last point chosen by each member of the class as well as all the points chosen by you.
When finished viewing the points, press the DONE softkey.

Now that points are picked, you can create an equation of those points using the CREATE EQN option.  Try to match the equation as closely as possible to the last points picked.  You may keep on trying different equations by pressing the REDO softkey and entering a new equation at the prompt.
When you have chosen the best-fit curve, press the DONE softkey.

You can view the class's equations using the VIEW EQNS option.
Press the RFSH softkey to get any new equations.
When you are done viewing the equations chosen, press the DONE softkey.

Teacher: To rerun the activity, do not clear the server.
Stop the simulation by pressing the NetLogo GO button.
Press the NetLogo RE-RUN button.
Press the GO button.
Everyone: Exit to the calculator Main Menu.
Choose the RESTART option from the calculator Main Menu.
Choose the PICK POINTS option and continue.

Teacher: To start the simulation over with a new group, stop the model by pressing the NetLogo GO button, if it is on.
Have everyone, including yourself, logout of their calculators.
Press the ERASE ALL DATA button on the TISCHOOL site.
Press the NetLogo SETUP button.
Follow these instructions from the beginning again.

BUTTONS:
--------
SETUP - clears all turtles and patches.  This should only be pressed when starting out with a new group of users since all data is lost.
RE-RUN - sets up the model to be able to run again with the same users
GO - runs the simulation
SET RULE - displays an input dialog that allows the leader to enter the verbal rule.  The entered rule is then displayed in the CURRENT VERBAL RULE monitor.  This is meant for a convenience of the users and has no effect on the actual running of the simulation.
NEXT >>> - shows the next quick start instruction
<<< PREVIOUS - shows the previous quick start instruction
RESET INSTRUCTIONS - shows the first quick start instruction

MONITORS:
---------
MOUSE X - shows the pxcor of the patch the mouse is currently on, or if the mouse is no longer over the graphics window, it displays the pxcor of the patch the mouse was last on
MOUSE Y - shows the pycor of the patch the mouse is currently on, or if the mouse is no longer over the graphics window, it displays the pycor of the patch the mouse was last on
NUMBER OF POINTS AT MOUSE - shows the number of turtles on the patch the mouse is currently on, or if the mouse is no longer over the graphics window, it displays the number of turtles on the patch the mouse was last on
CURRENT VERBAL RULE - displays the last rule that was entered when the SET RULE button was pressed.  This is meant for a convenience of the users and has no effect on the actual running of the simulation.


CALCULATOR INFORMATION
----------------------

TEACHER CALCULATOR:
-------------------
Students and teacher have identical calculator programs.

STUDENT CALCULATORS:
--------------------
To select points, choose option PICK POINTS from the calculator Main Menu.
Move the cursor with the arrow keys.  To pick a point, press the ENTER key or PICK softkey.  To remove the last picked point, press the REDO softkey.  Be aware that the cursor will move back to the position of the point being removed.  To change the distance that the cursor moves when you press an arrow key, press the STEP softkey.  This allows you to choose a new distance by which to move the cursor.
When you are done picking points, press the DONE softkey.
You can choose the VIEW POINTS option to view the last point chosen by each member of the class as well as all the points chosen by you.  When finished viewing the points, press the DONE softkey.
Then, you can create an equation using the CREATE EQN option.  Try to match the equation as closely as possible to last points picked.  You may keep on trying different equations, by pressing the REDO softkey and entering a new equation at the prompt.  When you have chosen the best-fit curve, press the DONE softkey.
You can view the class's equations using the VIEW EQNS option.  Press the RFSH softkey to get any new equations.  When you are done viewing the equations chosen, press the DONE softkey.


THINGS TO NOTICE
----------------
Notice how my-num and user-id are used in keeping track of a particular student's individual points.


THINGS TO TRY
-------------
Here are a few verbal rules for the teacher to have the students make with their points:
Move until your y value is twice your x value.
Move until your y value is x times your x value.
Move until your y value is the inverse of your x value.


EXTENDING THE MODEL
-------------------



CREDITS AND REFERENCES
----------------------
This activity and associated models and materials was created as part of the project:
PARTICIPATORY SIMULATIONS: NETWORK-BASED DESIGN FOR SYSTEMS LEARNING IN CLASSROOMS.
The project gratefully acknowledges the support of the National Science Foundation ( REPP program ) -- grant number REC #9814682.

Copyright 1999 by Uri Wilensky & Walter Stroup. Updated 2001,2002. All rights reserved.

Permission to use, copy, or modify this software and its associated documentation, models and curricular materials for educational and research purposes only and without fee is hereby granted, provided that this copyright notice and the original authors' names appear 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 and Walter Stroup. These programs shall not be used, rewritten, or adapted as the basis of a commercial or hardware product without first obtaining appropriate licenses from Uri Wilensky & Walter Stroup. We make no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

To refer to this model in academic publications, please use: Wilensky, U. & Stroup, W. (1999).  NetLogo HubNet Function Activity model. http://ccl.northwestern.edu/netlogo/models/HubNetFunctionActivity. Center for Connected Learning and Computer-Based Modeling, Northwestern University, Evanston, IL.

In other publications, please use: Copyright 1999 by Uri Wilensky and Walter Stroup.  All rights reserved.  See http://ccl.northwestern.edu/netlogo/models/HubNetFunctionActivity for terms of use.
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Polygon -7566196 true true 75 120 105 210 195 210 225 120 150 75

target
false
0
Circle -7566196 true true 0 0 300
Circle -16777216 true false 30 30 240
Circle -7566196 true true 60 60 180
Circle -16777216 true false 90 90 120
Circle -7566196 true true 120 120 60

thin wedge
true
0
Polygon -7566196 true true 133 20 70 252 127 148 177 245

tree
false
0
Circle -7566196 true true 118 3 94
Rectangle -6524078 true false 120 195 180 300
Circle -7566196 true true 65 21 108
Circle -7566196 true true 116 41 127
Circle -7566196 true true 45 90 120
Circle -7566196 true true 104 74 152

triangle
false
0
Polygon -7566196 true true 150 30 15 255 285 255

triangle 2
false
0
Polygon -7566196 true true 150 30 15 255 285 255
Polygon -16777216 true false 151 99 225 223 75 224

truck
false
0
Rectangle -7566196 true true 4 45 195 187
Polygon -7566196 true true 296 193 296 150 259 134 244 104 208 104 207 194
Rectangle -1 true false 195 60 195 105
Polygon -16777216 true false 238 112 252 141 219 141 218 112
Circle -16777216 true false 234 174 42
Rectangle -7566196 true true 181 185 214 194
Circle -16777216 true false 144 174 42
Circle -16777216 true false 24 174 42
Circle -7566196 false true 24 174 42
Circle -7566196 false true 144 174 42
Circle -7566196 false true 234 174 42

turtle
true
0
Polygon -11352576 true false 215 204 240 233 246 254 228 266 215 252 193 210
Polygon -11352576 true false 195 90 225 75 245 75 260 89 269 108 261 124 240 105 225 105 210 105
Polygon -11352576 true false 105 90 75 75 55 75 40 89 31 108 39 124 60 105 75 105 90 105
Polygon -11352576 true false 132 85 134 64 107 51 108 17 150 2 192 18 192 52 169 65 172 87
Polygon -11352576 true false 85 204 60 233 54 254 72 266 85 252 107 210
Polygon -7566196 true true 119 75 179 75 209 101 224 135 220 225 175 261 128 261 81 224 74 135 88 99

wheel
false
0
Circle -7566196 true true 3 3 294
Circle -16777216 true false 30 30 240
Line -7566196 true 150 285 150 15
Line -7566196 true 15 150 285 150
Circle -7566196 true true 120 120 60
Line -7566196 true 216 40 79 269
Line -7566196 true 40 84 269 221
Line -7566196 true 40 216 269 79
Line -7566196 true 84 40 221 269

wide wedge
true
0
Polygon -7566196 true true 150 5 40 250 150 205 260 250

x
false
0
Polygon -7566196 true true 270 75 225 30 30 225 75 270
Polygon -7566196 true true 30 75 75 30 270 225 225 270

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NetLogo 2.1beta4
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