def update_pm25():
# re-scan the table and get last update dt
lastpm = generate_graph(table)['lastpm']
lastpm25 = 'PM2.5: ' + str(lastpm['pm25']) + ' (' + str(
generate_graph(table)['lastpm']['pm25'] * 4) + '%)'
return lastpm25
def serve_layout():
# dash app layout definition
serve = html.Div(
style={'backgroundColor': colors['background']},
children=[
# title
html.H1(children='Zanieczyszczenie powietrza',
style={
'textAlign': 'center',
'color': colors['text']
}),
# graph
dcc.Graph(id='live-graph',
animate=False,
figure=go.Figure(
data=generate_graph(table)['data'],
layout=go.Layout(yaxis=dict(title="µg/m3")))),
# last updated date
html.Div(id='update-date',
children=generate_graph(table)['lastdt'],
style={
'textAlign': 'right',
'color': colors['text'],
'fontSize': 12
}),
# event update handler
dcc.Interval(id='event-update', interval=4 * 1000)
])
return serve
def update_header():
# re-scan the table and get last update dt
lastdt = 'Data as of: ' + generate_graph(
table, dt_limit)['lastdt'][11:13] + '.' + generate_graph(
table, dt_limit)['lastdt'][14:15] + '0:'
return lastdt
def update_pm10():
# re-scan the table and get last update dt
lastpm = generate_graph(table)['lastpm']
lastpm10 = 'PM10: ' + str(lastpm['pm10']) + ' (' + str(
generate_graph(table)['lastpm']['pm10'] * 2) + '%)'
return lastpm10
def update_date():
# re-scan the table and get last update dt
lastdt = generate_graph(table)['lastdt']
return lastdt
def update_graph():
# re-scan the table
return generate_graph(table)
def serve_layout():
# dash app layout definition
serve = html.Div(
style={'backgroundColor': colors['background']},
children=[
# title
html.H1(children='Zanieczyszczenie powietrza',
style={
'textAlign': 'center',
'color': colors['text']
}),
# graph
dcc.Graph(id='live-graph',
animate=False,
figure=go.Figure(
data=generate_graph(table)['data'],
layout=go.Layout(
yaxis=dict(title="µg/m3"),
xaxis=dict(rangeselector=dict(buttons=list([
dict(count=6,
label='6h',
step='hour',
stepmode='backward'),
dict(count=1,
label='1d',
step='day',
stepmode='backward'),
dict(count=7,
label='1w',
step='day',
stepmode='backward'),
dict(count=14,
label='2w',
step='day',
stepmode='backward'),
dict(step='all')
])),
rangeslider=dict(visible=True),
type='date')))),
# header pm
html.Div(id='update-header',
children='Stan na godz. ' +
generate_graph(table)['lastdt'][11:13] + '.' +
generate_graph(table)['lastdt'][14:15] + '0:',
style={
'textAlign': 'left',
'color': colors['text'],
'fontSize': 27,
'marginTop': 2,
'marginLeft': 24
}),
# latest results pm10
html.Div(id='update-pm10',
children='PM10: ' +
str(generate_graph(table)['lastpm']['pm10']) + ' (' +
str(generate_graph(table)['lastpm']['pm10'] * 2) + '%)',
style={
'textAlign': 'left',
'color': colors['text'],
'fontSize': 27,
'marginTop': 5,
'marginLeft': 24
}),
# latest results pm25
html.Div(id='update-pm25',
children='PM2.5: ' +
str(generate_graph(table)['lastpm']['pm25']) + ' (' +
str(generate_graph(table)['lastpm']['pm25'] * 4) + '%)',
style={
'textAlign': 'left',
'color': colors['text'],
'fontSize': 27,
'marginTop': 5,
'marginLeft': 24
}),
# last updated date
html.Div(id='update-date',
children='Ostatnia aktualizacja: ' +
generate_graph(table)['lastdt'],
style={
'textAlign': 'right',
'color': colors['text'],
'fontSize': 9
}),
# event update handler
dcc.Interval(
id='event-update',
interval=60 * 4 * 1000 # update every 4 minutes
)
])
return serve
def update_date():
# re-scan the table and get last update dt
lastdt = 'Ostatnia aktualizacja: ' + generate_graph(table)['lastdt']
return lastdt
def update_header():
# re-scan the table and get last update dt
lastdt = 'Stan na godz. ' + generate_graph(table)['lastdt'][
11:13] + '.' + generate_graph(table)['lastdt'][14:15] + '0:'
return lastdt
def update_date():
# re-scan the table and get last update dt
lastdt = 'Last update: ' + generate_graph(table, dt_limit)['lastdt']
return lastdt
def update_temp():
# re-scan the table and get last update dt
lastpm = generate_graph(table, dt_limit)['lastpm']
lasttemp = 'Temperature: ' + str(lastpm['temp']) + '°C'
return lasttemp
def update_hum():
# re-scan the table and get last update dt
lastpm = generate_graph(table, dt_limit)['lastpm']
lasthum = 'Humidity: ' + str(lastpm['hum']) + '%'
return lasthum
def update_pm1():
# re-scan the table and get last update dt
lastpm = generate_graph(table, dt_limit)['lastpm']
lastpm1 = 'PM1: ' + str(lastpm['pm1'])
return lastpm1
