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tab3.py
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245 lines (207 loc) · 8.76 KB
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import streamlit as st
import pandas as pd
import datetime
import folium
from streamlit_folium import st_folium
def load_tab3():
#-----------------------------------------------
# Inladen en bewerken van datasets
#------------------------------------------------
@st.cache_data
def load_data(bestandsnaam, scheidingsteken):
try:
schedule = pd.read_csv(bestandsnaam, sep=scheidingsteken)
return schedule
except FileNotFoundError:
st.error(f'Bestand {bestandsnaam} niet gevonden.')
return None
except Exception as e:
st.error(f'Fout bij het lezen van {bestandsnaam}: {e}')
return None
@st.cache_data
def load_excel(bestandsnaam):
try:
df = pd.read_excel(bestandsnaam)
return df
except FileNotFoundError:
st.error(f'Bestand {bestandsnaam} niet gevonden.')
return None
except Exception as e:
st.error(f'Fout bij het lezen van {bestandsnaam}: {e}')
return None
# Laad de data met relevante kolommen en dtypes
df_airports = load_data('airports-extended-clean.csv', ';')
dfschema = load_data('schedule_airport.csv',',')
# clean de data
df_airports['ICAO'].dropna(inplace=True)
dfschema['Org/Des'].dropna(inplace=True)
# Merge de data's
merge = pd.merge(df_airports, dfschema, left_on='ICAO', right_on='Org/Des', how='inner')
# verwijder NaN
merge.dropna(inplace=True)
# voeg data toe met dubbele waardes verwijderd
unique_icao_orgdes = merge[['ICAO', 'Name', 'Org/Des', 'Longitude', 'Latitude']].drop_duplicates()
# vervang de punten met commas
unique_icao_orgdes['Latitude'] = unique_icao_orgdes['Latitude'].str.replace(',', '.').astype(float)
unique_icao_orgdes['Longitude'] = unique_icao_orgdes['Longitude'].str.replace(',', '.').astype(float)
# Stel de minimum- en maximumdatum in voor de slider
min_date = datetime.date(2019, 1, 1)
max_date = datetime.date(2020, 12, 31)
# Maak een slider om een datum te selecteren
selected_date = st.slider(
"Selecteer een datum tot:",
min_value=min_date,
max_value=max_date,
value=max_date, # Standaardwaarde
format="YYYY-MM-DD"
)
st.write("Geselecteerde datum:", selected_date)
merge['STD'] = pd.to_datetime(merge['STD'], format="%d/%m/%Y").dt.date
merge = merge[merge['STD'] <= selected_date]
merge['FLT'] = merge['FLT'].str.replace(r'\d+', '', regex=True)
totaal_vluchten_per_luchthaven = merge.groupby('ICAO')['Airport ID'].value_counts()
# Bereken het aantal vertraagde vluchten per maatschappij
delayed_vluchten = merge[merge['ATA_ATD_ltc'] > merge['STA_STD_ltc']]
delayed_vluchten_per_luchthaven = delayed_vluchten.groupby('ICAO')['Airport ID'].value_counts()
# Maak een DataFrame voor de vertragingsratio
ratio_per_luchthaven = pd.DataFrame({
'Totale vluchten': totaal_vluchten_per_luchthaven,
'Vertraagde vluchten': delayed_vluchten_per_luchthaven
}).fillna(0) # Vul lege waarden op met 0 voor maatschappijen zonder vertragingen
# Bereken de vertragingsratio
ratio_per_luchthaven['Ratio'] = ratio_per_luchthaven['Vertraagde vluchten'] / ratio_per_luchthaven['Totale vluchten']
ratio_per_luchthaven['Ratio (%)'] = (ratio_per_luchthaven['Ratio'] * 100).round(2)
unique_icao_orgdes_ratio = unique_icao_orgdes.merge(ratio_per_luchthaven, on = 'ICAO', how = 'left')
# kleur gedefinieerd op basis van ratio
def get_delay_color(count):
if count == 100:
return 'darkred'
elif count > 60:
return 'red'
elif count > 20:
return 'orange'
elif count > 0:
return 'darkgreen'
else:
return 'green'
#----------------------------------
# Legenda code vanuit VA opdracht 3
#----------------------------------
def add_categorical_legend(folium_map, title, colors, labels):
if len(colors) != len(labels):
raise ValueError("colors and labels must have the same length.")
color_by_label = dict(zip(labels, colors))
legend_categories = ""
for label, color in color_by_label.items():
legend_categories += f"<li><span style='background:{color}'></span>{label}</li>"
legend_html = f"""
<div id='maplegend' class='maplegend'>
<div class='legend-title'>{title}</div>
<div class='legend-scale'>
<ul class='legend-labels'>
{legend_categories}
</ul>
</div>
</div>
"""
script = f"""
<script type="text/javascript">
var oneTimeExecution = (function() {{
var executed = false;
return function() {{
if (!executed) {{
var checkExist = setInterval(function() {{
if ((document.getElementsByClassName('leaflet-top leaflet-right').length) || (!executed)) {{
document.getElementsByClassName('leaflet-top leaflet-right')[0].style.display = "flex"
document.getElementsByClassName('leaflet-top leaflet-right')[0].style.flexDirection = "column"
document.getElementsByClassName('leaflet-top leaflet-right')[0].innerHTML += `{legend_html}`;
clearInterval(checkExist);
executed = true;
}}
}}, 100);
}}
}};
}})();
oneTimeExecution()
</script>
"""
css = """
<style type='text/css'>
.maplegend {
z-index:9999;
float:right;
background-color: rgba(255, 255, 255, 1);
border-radius: 5px;
border: 2px solid #bbb;
padding: 10px;
font-size:12px;
positon: relative;
}
.maplegend .legend-title {
text-align: left;
margin-bottom: 5px;
font-weight: bold;
font-size: 90%;
}
.maplegend .legend-scale ul {
margin: 0;
margin-bottom: 5px;
padding: 0;
float: left;
list-style: none;
}
.maplegend .legend-scale ul li {
font-size: 80%;
list-style: none;
margin-left: 0;
line-height: 18px;
margin-bottom: 2px;
}
.maplegend ul.legend-labels li span {
display: block;
float: left;
height: 16px;
width: 30px;
margin-right: 5px;
margin-left: 0;
border: 0px solid #ccc;
}
.maplegend .legend-source {
font-size: 80%;
color: #777;
clear: both;
}
.maplegend a {
color: #777;
}
</style>
"""
folium_map.get_root().header.add_child(folium.Element(script + css))
return folium_map
#----------------------------------
# Plot 1
#-----------------------------------
# Definieer de functie om markers te laden en de kaart te maken
@st.cache_data
def load_markers(data):
# Maak een nieuwe kaart aan
m = folium.Map(location=[20, 0], zoom_start=2)
# Voeg markers toe aan de kaart
for idx, row in data.iterrows():
folium.Marker(
location=[row['Latitude'], row['Longitude']],
popup=(f"Airport: {row['Name']} "
f"Ratio: {row['Ratio (%)']}"),
icon=folium.Icon(icon='plane', prefix='fa', color=get_delay_color(row['Ratio (%)']))
).add_to(m)
m = add_categorical_legend(m, 'Ratio vertraging per vliegveld',
colors = ['darkred', 'red', 'orange', 'darkgreen', 'green'],
labels = ['100%', '> 60%', '> 20%', '> 0%', '0%'])
return m
# Roep de functie aan met de DataFrame als argument
map_markers = load_markers(unique_icao_orgdes_ratio)
# laat zien in streamlit
st.title("Vliegvelden Kaart")
st_data = st_folium(map_markers, width=1000)
st.markdown('---')
return load_tab3