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@ -7,9 +7,10 @@ from bokeh.layouts import column |
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from bokeh.palettes import brewer |
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from bokeh.plotting import figure, curdoc |
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from bokeh.models import GeoJSONDataSource, Button, HoverTool, LinearColorMapper, LabelSet, ColumnDataSource |
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from bokeh.tile_providers import get_provider #, Vendors |
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from bokeh.tile_providers import get_provider |
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from bokeh.transform import factor_cmap |
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import time |
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import urllib |
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def lonlattowebmercator(df, lon="LON", lat="LAT"): |
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k = 6378137 |
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@ -20,8 +21,9 @@ def lonlattowebmercator(df, lon="LON", lat="LAT"): |
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def getPositions(): |
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## Get the live locations of the vehicles |
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feed = gtfs_realtime_pb2.FeedMessage() |
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response = requests.get('http://gtfs.ovapi.nl/nl/vehiclePositions.pb') |
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response = requests.get('https://gtfs.ovapi.nl/nl/vehiclePositions.pb') |
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feed.ParseFromString(response.content) |
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print(feed) |
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vehicle_positions = [] |
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for entity in feed.entity: |
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@ -39,7 +41,6 @@ def update(): |
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## Merge tables |
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df = df_vehiclePositions.merge(df_routes, on="route_id", how="right") |
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df = df[(df["route_type"]==1) | (df["route_type"]==2) | (df["route_type"]==3)] |
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print(df["longitude"]) |
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Source.stream(df, rollover=len(df["longitude"])) |
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labels = LabelSet(x='x',y='y',x_offset=5,y_offset=5,source=Source,render_mode='canvas') |
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@ -64,5 +65,5 @@ p.add_tools(my_hover) |
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p.circle('x', 'y', source=Source) |
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curdoc().add_root(p) |
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curdoc().add_periodic_callback(update,1000) |
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curdoc().add_periodic_callback(update,5000) |
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p.legend.location = "top_left" |
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