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4 files changed

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‎coffee/habitat.tracker.Vehicle.coffee‎

Lines changed: 161 additions & 0 deletions
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1+
# order of map elements
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Z_RANGE = 1
3+
Z_STATION = 2
4+
Z_PATH = 10
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Z_CAR = 11
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Z_SHADOW = 12
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Z_PAYLOAD = 13
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9+
# ballons modes
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MODE_BALLOON = 1
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MODE_CHUTE = 2
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MODE_LANDED = 3
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class habitat.tracker.Vehicle
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# default options
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marker: null
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markers_root: "img/markers/"
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map: null
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name: "undefined"
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type: "car"
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color: "blue"
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position: null
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altitude: 0
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constructor: (opts) ->
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if opts?
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if opts.position? then @position = opts.position
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if opts.altitude? then @altitude = opts.altitude
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if opts.map? then @map = opts.map
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if opts.color? then @color = opts.color
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if opts.type? then @type = opts.type
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if opts.name? then @name = opts.name
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@init()
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@init: ->
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@marker = new google.maps.Marker
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map: @map
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optimized: false
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zIndex: Z_PAYLOAD
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icon:
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url: "#{@markers_root}#{@type}-#{@color}.png"
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size: new google.maps.Size(55,25),
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scaledSize: new google.maps.Size(55,25)
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title: @name
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null
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setPosition: (lat,lng) ->
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@position = new google.maps.LatLng latlng[0], latlng[1]
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@marker.setPosition @position
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setAltitude: (alt) ->
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@altitude = alt
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class habitat.tracker.Balloon extends habitat.tracker.Vehicle
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marker_shadow: null
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type: "balloon"
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mode: -1
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path: null
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polyline: null
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timestamp: 0
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init: ->
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@path = []
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# init markers, we need two
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@marker = new google.maps.Marker
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map: @map
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optimized: false
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zIndex: Z_PAYLOAD
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title: @name
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@marker_shadow = new google.maps.Marker
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map: @map
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icon:
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url: "#{@markers_root}shadow.png"
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size: new google.maps.Size 24,16
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scaledSize: new google.maps.Size 24,16
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anchor: new google.maps.Point 12,8
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optimized: false
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zIndex: Z_SHADOW
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@setMode MODE_BALLOON
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# draws the path
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@polyline = new google.maps.Polyline
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map: @map
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zIndex: Z_PATH,
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strokeColor: @color
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strokeOpacity: 0.8,
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strokeWeight: 3,
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clickable: false,
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draggable: false,
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# update altitude offset, when map zoom is changed
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this_ref = this
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google.maps.event.addListener @map,'idle', ->
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this_ref.update_position()
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setTelemetry: (tele) ->
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@telemetry = tele
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null
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setPosition: (lat,lng) ->
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@position = new google.maps.LatLng lat,lng
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addPosition: (lat,lng) ->
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@setPosition lat,lng
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@path.push @position
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null
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setAltitude: (alt) ->
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@altitude = alt
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# change marker icon to balloon, parachute or just payload
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setMode: (mode) ->
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if @mode is mode then return
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@mode = mode
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switch mode
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when MODE_BALLOON, MODE_CHUTE
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@marker_shadow.setVisible true
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icon =
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url: "#{@markers_root}#{if MODE_BALLOON then 'balloon' else 'parachute'}-#{@color}.png"
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size: new google.maps.Size(46,84),
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scaledSize: new google.maps.Size(46,84)
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when MODE_LANDED
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@marker_shadow.setVisible false
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icon =
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url: "#{@markers_root}payload-#{@color}.png"
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size: new google.maps.Size(17,18),
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scaledSize: new google.maps.Size(17,18)
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@marker.setIcon icon
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null
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# emulate altitude on the map by move the marker slighly north
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altitude_offset: ->
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if not @map or not @position or @mode is "landed" then return
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pixel_altitude = 0
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zoom = @map.getZoom()
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zoom = if zoom > 18 then 18 else zoom
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if 0 < @altitude < 55000
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pixel_altitude = -Math.round @altitude/(1000/3)*(zoom/18.0)
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habitat.tracker.map_pixel_offset @position, [0, pixel_altitude]
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else
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@position
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update_position: ->
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@marker.setPosition @altitude_offset()
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@marker_shadow.setPosition @position
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# call this to push the latest changes to the map
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redraw: ->
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# redraw markers
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@update_position()
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# redraw path
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@polyline.setPath @path

‎coffee/habitat.tracker.coffee‎

Lines changed: 154 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -1,33 +1,82 @@
11
habitat.tracker =
2+
# configs
3+
color_names: ["red", "blue", "green", "yellow", "purple", "orange", "cyan"]
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colors: ["#f00", "blue", "green", "#ff0", "#c700e6", "#ff8a0f", "#0fffca"]
5+
6+
# reserved
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db: null
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Vehicle: null
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Balloon: null
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# properties
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color_idx: 0
213
flights:
314
active: []
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upcoming: []
516
options: {}
6-
vehicles: []
17+
vehicles: {}
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map: null
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# methods
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init: (opts) ->
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if @map then return
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if opts?
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@options = opts
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@map = new google.maps.Map document.getElementById('map'),
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zoom: 5
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center: new google.maps.LatLng 53.467511,-2.2338940
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mapTypeId: google.maps.MapTypeId.ROADMAP
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keyboardShortcuts: false
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streetViewControl: false
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rotateControl: false
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panControl: false
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scaleControl: false
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zoomContro: true
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zoomControlOptions:
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style: google.maps.ZoomControlStyle.LARGE
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scrollwheel: true
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@map._overlay = new google.maps.OverlayView()
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@map._overlay.draw = ->
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@map._overlay.setMap @map
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# pull flight list
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@update_flight_list()
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# wait for the map to load
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google.maps.event.addListenerOnce @map,'tilesloaded', ->
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habitat.tracker.mapLoaded()
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null
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mapLoaded: ->
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tmp = window.location.search.split('=')
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if tmp[0] is "?ids"
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list = tmp[1].split(',')
757

8-
### reset tracker state to pre-init state ###
58+
for id in list
59+
@db.get_telemetry_by_id(@consumer, id)
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else
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@fetch_test()
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63+
null
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65+
# reset tracker state to pre-init state
966
reset: ->
10-
delete this.flights
11-
delete this.options
12-
delete this.vehicles
67+
delete @flights
68+
delete @options
69+
delete @vehicles
1370

14-
this.flights =
71+
@flights =
1572
active: []
1673
upcoming: []
17-
this.options = {}
18-
this.vehicles = []
19-
20-
init: (options) ->
21-
options = if options then options else {}
22-
options.filter = if options.filter then open|| null
23-
options.poll = options.poll || true
24-
this.options = options
25-
26-
""" pull flight list """
27-
this.update_flight_list()
74+
@options = {}
75+
@vehicles = []
2876

77+
# gets the latest flight from habitat
2978
update_flight_list: ->
30-
this.db.get_flights (data) ->
79+
@db.get_flights (data) ->
3180
current_ts = habitat.util.timestamp_now()
3281

3382
for flight in data
@@ -40,16 +89,99 @@ habitat.tracker =
4089

4190
null
4291

43-
test: ->
92+
fetch_latest_telemetry: ->
93+
for flight in @flights.active
94+
for payload in flight.payloads
95+
@db.get_telemetry_by_id @consumer payload._id
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null
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98+
# chews through any data from habitat
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consumer: (habitat_result) ->
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if habitat_result.length == 0 then return
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102+
for row in habitat_result
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switch row.doc.type
104+
when "payload_telemetry" then habitat.tracker.process_telemetry row
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when "listener_telemetry" then habitat.tracker.process_listener row
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else continue
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108+
habitat.tracker.refresh()
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null
110+
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refresh: ->
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for key of @vehicles
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@vehicles[key].redraw()
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null
115+
116+
process_telemetry: (row) ->
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doc = row['doc']
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key = row['key']
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ts = key[-1..][0]
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if not @vehicles[doc.data._parsed.payload_configuration]?
122+
@vehicles[doc.data._parsed.payload_configuration] = new habitat.tracker.Balloon
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map: @map
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name: doc.data.payload
125+
color: @color_names[@color_idx++ % @color_names.length]
126+
127+
veh = @vehicles[doc.data._parsed.payload_configuration]
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# if initial packet has 0,0 lat/long, drop it
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if veh.path.length is 0 and doc.data.latitude is 0 and doc.data.longitude is 0 then return
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132+
# if packet is out of order, drop it
133+
if ts <= veh.timestamp then return
134+
veh.timestamp = ts
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136+
veh.setAltitude doc.data.altitude
137+
veh.addPosition doc.data.latitude, doc.data.longitude
138+
139+
telemetry = {}
140+
141+
for key,val of doc.data
142+
if key[0] is '_' then continue
143+
144+
switch key
145+
when "altitude","payload","latitude","longitude","time"
146+
continue
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else
148+
telemetry[key] = val
149+
150+
veh.setTelemetry telemetry
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null
152+
153+
process_listener: (row) ->
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null
155+
156+
# tempolary methods
157+
fetch_test: ->
158+
@db.get_telemetry_by_id(@consumer, "b177187f988c44cce53eca6106381564")
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160+
clear: ->
161+
$('body').html ''
162+
163+
list: ->
44164
out = $('body')
165+
@clear
45166

46167
out.append("Upcoming flights<br><br>")
47-
this.append(this.flights.upcoming)
168+
@append(@flights.upcoming)
48169
out.append("<br>Active flights<br><br>")
49-
this.append(this.flights.active)
170+
@append(@flights.active)
50171

51172
append: (list) ->
52173
out = $('body')
53174

54175
for flight in list
55-
out.append "#{flight.start} #{flight.name} [#{flight._id}]<br />"
176+
out.append "#{flight.start} #{flight.name} [<i>#{flight._id}</i>]<br />"
177+
for payload, k in flight.payloads
178+
out.append if k == _len1-1 then "\\- " else "|-"
179+
out.append "#{payload.name} [<i>#{payload._id}</i>]<br />"
180+
181+
null
182+
183+
map_pixel_offset: (pos, offset) ->
184+
new_pos = @map._overlay.getProjection().fromLatLngToDivPixel pos
185+
new_pos.x += offset[0]
186+
new_pos.y += offset[1]
187+
@map._overlay.getProjection().fromDivPixelToLatLng new_pos

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