[PYBD] Paul Galand & Ancelin Bouchet - Répartition géographique annuelle des accidents de la route

data/acc_caracs_grav-2005.pkl

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+../pgab_accidents/data/acc_caracs_grav-2005.pkl

data/acc_caracs_grav-2006.pkl

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+../pgab_accidents/data/acc_caracs_grav-2006.pkl

data/acc_caracs_grav-2007.pkl

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+../pgab_accidents/data/acc_caracs_grav-2007.pkl

data/acc_caracs_grav-2008.pkl

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+../pgab_accidents/data/acc_caracs_grav-2008.pkl

data/acc_caracs_grav-2010.pkl

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+../pgab_accidents/data/acc_caracs_grav-2010.pkl

data/acc_caracs_grav-2011.pkl

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+../pgab_accidents/data/acc_caracs_grav-2011.pkl

data/acc_caracs_grav-2012.pkl

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+../pgab_accidents/data/acc_caracs_grav-2012.pkl

data/acc_caracs_grav-2013.pkl

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+../pgab_accidents/data/acc_caracs_grav-2013.pkl

data/acc_caracs_grav-2014.pkl

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+../pgab_accidents/data/acc_caracs_grav-2014.pkl

data/acc_caracs_grav-2015.pkl

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+../pgab_accidents/data/acc_caracs_grav-2015.pkl

data/acc_caracs_grav-2016.pkl

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+../pgab_accidents/data/acc_caracs_grav-2016.pkl

data/acc_caracs_grav-2017.pkl

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+../pgab_accidents/data/acc_caracs_grav-2017.pkl

data/acc_caracs_grav-2018.pkl

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+../pgab_accidents/data/acc_caracs_grav-2018.pkl

data/acc_caracs_grav-2019.pkl

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+../pgab_accidents/data/acc_caracs_grav-2019.pkl

data/acc_caracs_grav-2020.pkl

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+../pgab_accidents/data/acc_caracs_grav-2020.pkl

delta.py

@@ -60,6 +60,7 @@
 from formations import formations as formations_lib
 from APAAL_criminalite_education import criminalite_education
 from ADHD_Movies import movies
+from pgab_accidents import accidents as pgab_accidents
 from ab_wg_apb_parcoursup import apb_parcoursup
 
 #@profile
@@ -120,6 +121,7 @@ def init():
     formations = formations_lib.Formations(app)
     crim_edu = criminalite_education.Criminalite_Education(app)
     mvs = movies.MoviesStats(app)
+    pgab_acc = pgab_accidents.Accidents(app)
     apb = apb_parcoursup.APB_PARCOURSUP(app)
 
     # external_stylesheets = ['https://codepen.io/chriddyp/pen/bWLwgP.css']
@@ -136,6 +138,7 @@ def init():
                                   dcc.Link(html.Button('Décès journaliers', style={'width':"100%"}), href='/deces'),
                                   dcc.Link(html.Button('MDMR_NYPDCallsMeteoNY', style={'width':"100%"}), href='/MDMR_NYPDCallsMeteoNY'),
                                   dcc.Link(html.Button('Accident Routiers', style={'width':"100%", 'margin':0, 'padding': 0}), href='/accidents_routiers'),
+                                  dcc.Link(html.Button('Accidents de la route', style={'width':"100%"}), href='/pgab_accidents'),
                                   dcc.Link(html.Button('Médailles Olympique', style={'width': "100%"}), href='/olympics'),
                                   dcc.Link(html.Button("Génération d'énergie UE", style={'width':"100%"}), href='/Energy_generation'),
                                   dcc.Link(html.Button('Utilisation Vélibs', style={'width':"100%"}), href='/EVHB_velib'),
@@ -228,6 +231,8 @@ def display_page(pathname):
             return dec.main_layout
         elif pathname == '/accidents_routiers':
             return pm.main_layout
+        elif pathname == '/pgab_accidents':
+            return pgab_acc.main_layout
         elif pathname == '/olympics':
             return oly.main_layout
         elif pathname == '/Energy_generation':

pgab_accidents/.gitignore

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+data/*.csv
+data/20*/
+map.html

pgab_accidents/accidents.py

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+import glob
+import dash
+from dash import html
+from dash import dcc
+import pandas as pd
+import plotly.express as px
+import plotly.graph_objects as go
+import plotly.io as pio
+import calendar as cal
+
+class Accidents:
+    START = 'Start'
+    STOP  = 'Stop'
+
+    def __init__(self, application = None):
+        self.df = pd.concat([pd.read_pickle(f) for f in glob.glob('data/acc_caracs_grav-*')]).sort_values(['year', 'grav'],
+               ascending = [True, False])
+        self.df.rename(columns = {'grav':'Gravité', 'year':'Année', 'mois':'Mois'}, inplace = True)
+        bar_fig = px.histogram(self.df, x="Année", color="Gravité")
+        self.zoom=4
+        self.center=dict(lat=46.7111, lon=1.7191)
+
+        pio.templates["missing"] = go.layout.Template(
+            layout_annotations=[
+                dict(
+                    name="missing data watermark",
+                    text="MISSING DATA",
+                    textangle=-20,
+                    opacity=.4,
+                    font=dict(color="black", size=100),
+                    xref="paper",
+                    yref="paper",
+                    x=0.5,
+                    y=0.5,
+                    showarrow=False,
+                )
+            ]
+        )
+
+        self.main_layout = html.Div(children=[
+            html.H3(children='Répartition des accidents de la route en France métropolitaine entre 2005 et 2020'),
+            html.Div([
+                html.Div([ dcc.Graph(id='pgab-acc-main-graph'), ], style={'width':'100%', }),
+                html.Div([ dcc.RadioItems(id='pgab-acc-type', 
+                                         options=[{'label':'Heatmap', 'value':0},
+                                                  {'label':'Emplacements exacts', 'value':1}], 
+                                         value=0,
+                                         labelStyle={'display':'block'}),
+                           html.Div(html.Button(self.START, id='pgab-button-start-stop', style={'display':'inline-block'}), style={'margin-right':'15px', 'width': '7em', 'float':'right'}),
+                         ]),
+                     ]),
+            html.Div([
+                html.Br(),
+                html.Div(
+                    dcc.Slider(
+                            id='pgab-year-slider',
+                            min=2005,
+                            max=2020,
+                            step = 1,
+                            value=2005,
+                            marks={str(year): str(year) for year in range(2005, 2021)},
+                    ),
+                    style={'display':'inline-block', 'width':"90%"}
+                ),
+                dcc.Interval(
+                    id='pgab-auto-stepper',
+                    interval=1500,
+                    max_intervals = -1,
+                    n_intervals = 0
+                ),
+                ], style={
+                    'padding': '0px 50px', 
+                    'width':'100%'
+                }),
+            html.Div([ dcc.Graph(id='pgab-acc-month-bar-graph'), ], style={'width':'100%', }),
+            dcc.Markdown("""
+            Carte interactive des accidents de la route recensés entre 2005 et 2020.
+
+            Utilisez le slider afin de sélectionner l'année.
+
+            L'année 2009 reste manquante (fichier invalide), et avant 2015 la plupart des régions ne donnent pas de coordonnées GPS, les données mises à disposition sont incomplètes.
+
+            La carte comporte plusieurs calques:
+            * **Heatmap** des accidents
+            * **Emplacements exacts** des accidents
+
+            __Information complémentaire__, la gravité d'un accident correspond à:
+            * **1** | Indemne
+            * **2** | Blessures légères
+            * **3** | Blessures graves
+            * **4** | Blessures mortelles
+            """, style={'margin-top': '3rem'}),
+
+            html.Div([ dcc.Graph(id='acc-bar-graph', figure=bar_fig), ], style={'width':'100%', }),
+            dcc.Markdown("""
+            Histogramme des accidents de la route recensés entre 2005 et 2020.
+
+            L'année 2009 reste manquante, les données mises à disposition sont incomplètes.
+
+            #### À propos
+            * Données: [data.gouv.fr](https://www.data.gouv.fr/fr/datasets/bases-de-donnees-annuelles-des-accidents-corporels-de-la-circulation-routiere-annees-de-2005-a-2020/)
+
+            © 2022 Paul Galand & Ancelin Bouchet
+            """, style={'margin-top': '3rem'}),
+        ], style={
+            'backgroundColor': 'white',
+            'padding': '10px 50px 10px 50px',
+            'display': 'flex',
+            'flex-direction': 'column'
+        })
+
+        if application:
+            self.app = application
+        else:
+            self.app = dash.Dash(__name__)
+            self.app.layout = self.main_layout
+
+        self.app.callback(
+            dash.dependencies.Output('pgab-acc-month-bar-graph', 'figure'),
+            dash.dependencies.Input('pgab-year-slider', 'value'))(self.update_month_bar_graph)
+        self.app.callback(
+            dash.dependencies.Output('pgab-acc-main-graph', 'figure'),
+            [ dash.dependencies.Input('pgab-acc-type', 'value'),
+              dash.dependencies.Input('pgab-year-slider', 'value')])(self.update_main_graph)
+        self.app.callback(
+            dash.dependencies.Output('pgab-button-start-stop', 'children'),
+            dash.dependencies.Input('pgab-button-start-stop', 'n_clicks'),
+            dash.dependencies.State('pgab-button-start-stop', 'children'))(self.button_on_click)
+        self.app.callback(
+            dash.dependencies.Output('pgab-auto-stepper', 'max_interval'),
+            [dash.dependencies.Input('pgab-button-start-stop', 'children')])(self.run_movie)
+        self.app.callback(
+            dash.dependencies.Output('pgab-year-slider', 'value'),
+            dash.dependencies.Input('pgab-auto-stepper', 'n_intervals'),
+            [dash.dependencies.State('pgab-year-slider', 'value'),
+             dash.dependencies.State('pgab-button-start-stop', 'children')])(self.on_interval)
+
+    def update_month_bar_graph(self, year):
+        dfg = self.df
+        dfg = dfg[dfg['Année'] == str(year)]
+        if dfg.empty:
+            pio.templates.default = "missing"
+        else:
+            pio.templates.default = None
+        return px.histogram(dfg, x="Mois", color="Gravité")
+
+    def update_main_graph(self, acc_type, year):
+        dfg = self.df
+        dfg = dfg[dfg['Année'] == str(year)]
+        if dfg.empty:
+            pio.templates.default = "missing"
+        else:
+            pio.templates.default = None
+        if acc_type:
+            fig=px.scatter_mapbox(dfg, lat='lat', lon='long',
+                                  color='Gravité', mapbox_style='carto-positron',
+                                  zoom=self.zoom, center=self.center,
+                                  color_continuous_scale=px.colors.sequential.Bluered,
+                                  custom_data=['jour', 'Mois', 'Année', 'Gravité'])
+            fig.update_layout(height=800)
+        else:
+            fig=px.density_mapbox(dfg, z=None, lat='lat', lon='long',
+                                  radius=5, opacity=.6, mapbox_style='carto-positron',
+                                  zoom=self.zoom, center=self.center,
+                                  color_continuous_scale=px.colors.diverging.Picnic,
+                                  custom_data=['jour', 'Mois', 'Année', 'Gravité'])
+            fig.update_layout(coloraxis_showscale=False, height=800)
+        fig.update_traces(hovertemplate="Date: %{customdata[0]}/%{customdata[1]}/%{customdata[2]} | Gravité: %{customdata[3]}")
+        fig.update_layout(uirevision='constant')
+        return fig
+
+    def button_on_click(self, n_clicks, text):
+        if text == self.START:
+            return self.STOP
+        else:
+            return self.START
+
+    def run_movie(self, text):
+        if text == self.START:
+            return 0 
+        else:
+            return -1
+
+    def on_interval(self, n_intervals, year, text):
+        if text == self.STOP:
+            if year == 2020:
+                return 2005
+            if year == 2008:
+                return 2010
+            return year + 1
+        return year
+
+    def run(self, debug=False, port=8050):
+        self.app.run_server(host="0.0.0.0", debug=debug, port=port)
+
+if __name__ == '__main__':
+    acc = Accidents()
+    acc.run(port=8065)