| import os |
| import pandas as pd |
| import matplotlib.pyplot as plt |
| import seaborn as sns |
| import folium |
|
|
| |
| BASE_DIR = os.path.dirname(__file__) |
| DATA_DIR = os.path.join(BASE_DIR, 'data') |
| VIS_DIR = os.path.join(BASE_DIR, 'visualizations') |
| RAW_DATA_FILE = os.path.join(DATA_DIR, 'hasil_eda_etl.csv') |
| CLUSTERED_DATA_FILE = os.path.join(DATA_DIR, 'hasil_cluster.csv') |
| MAP_OUTPUT_FILE = os.path.join(VIS_DIR, 'map_cluster.html') |
|
|
| |
| sns.set_theme(style="whitegrid", palette="muted") |
| plt.rcParams.update({ |
| 'font.size': 12, |
| 'axes.titlesize': 16, |
| 'axes.labelsize': 14, |
| 'xtick.labelsize': 12, |
| 'ytick.labelsize': 12, |
| 'figure.figsize': (10, 6) |
| }) |
|
|
| def ensure_dirs(): |
| if not os.path.exists(VIS_DIR): |
| os.makedirs(VIS_DIR) |
|
|
| def plot_histograms(df_raw): |
| print("[Visualisasi] Membangun Histogram Banjir...") |
| plt.figure() |
| sns.histplot(df_raw['jumlah_banjir'], bins=20, kde=True, color='teal') |
| plt.title('Distribusi Jumlah Banjir di Jawa Barat') |
| plt.xlabel('Jumlah Banjir') |
| plt.ylabel('Frekuensi') |
| plt.tight_layout() |
| plt.savefig(os.path.join(VIS_DIR, 'hist_banjir.png'), dpi=300) |
| plt.close() |
|
|
| print("[Visualisasi] Membangun Histogram Sampah...") |
| plt.figure() |
| sns.histplot(df_raw['jumlah_sampah'], bins=20, kde=True, color='coral') |
| plt.title('Distribusi Jumlah Sampah di Jawa Barat') |
| plt.xlabel('Jumlah Sampah (Ton)') |
| plt.ylabel('Frekuensi') |
| plt.tight_layout() |
| plt.savefig(os.path.join(VIS_DIR, 'hist_sampah.png'), dpi=300) |
| plt.close() |
|
|
| def plot_trends(df_raw): |
| print("[Visualisasi] Membangun Tren Tahunan...") |
| |
| trend_df = df_raw.groupby('tahun').agg({'jumlah_banjir': 'sum', 'jumlah_sampah': 'sum'}).reset_index() |
|
|
| |
| plt.figure() |
| sns.lineplot(data=trend_df, x='tahun', y='jumlah_banjir', marker='o', color='teal', linewidth=2.5) |
| plt.title('Tren Total Banjir per Tahun') |
| plt.xlabel('Tahun') |
| plt.ylabel('Total Banjir') |
| plt.xticks(trend_df['tahun'].astype(int)) |
| plt.tight_layout() |
| plt.savefig(os.path.join(VIS_DIR, 'tren_banjir.png'), dpi=300) |
| plt.close() |
|
|
| |
| plt.figure() |
| sns.lineplot(data=trend_df, x='tahun', y='jumlah_sampah', marker='o', color='coral', linewidth=2.5) |
| plt.title('Tren Total Sampah per Tahun') |
| plt.xlabel('Tahun') |
| plt.ylabel('Total Sampah (Ton)') |
| plt.xticks(trend_df['tahun'].astype(int)) |
| plt.tight_layout() |
| plt.savefig(os.path.join(VIS_DIR, 'tren_sampah.png'), dpi=300) |
| plt.close() |
|
|
| def plot_scatter_clusters(df_cluster): |
| print("[Visualisasi] Membangun Scatter Plot Clustering...") |
| plt.figure() |
| |
| |
| color_dict = { |
| 'Wilayah Risiko Rendah': 'green', |
| 'Wilayah Risiko Sedang': 'orange', |
| 'Wilayah Risiko Tinggi': 'red' |
| } |
| |
| sns.scatterplot( |
| data=df_cluster, |
| x='jumlah_sampah', |
| y='jumlah_banjir', |
| hue='kategori', |
| palette=color_dict, |
| s=100, |
| alpha=0.8, |
| edgecolor='black' |
| ) |
| plt.title('Scatter Plot Clustering (Sampah vs Banjir)') |
| plt.xlabel('Jumlah Sampah (Ton)') |
| plt.ylabel('Jumlah Banjir') |
| plt.legend(title='Kategori Risiko') |
| plt.tight_layout() |
| plt.savefig(os.path.join(VIS_DIR, 'scatter_clustering.png'), dpi=300) |
| plt.close() |
|
|
| def create_folium_map(df_cluster): |
| print("[Visualisasi] Membangun Peta Interaktif Folium...") |
| |
| map_center = [-6.9, 107.6] |
| m = folium.Map(location=map_center, zoom_start=8, tiles='CartoDB positron') |
|
|
| |
| df_agg = df_cluster.groupby(['nama_kabupaten_kota', 'kategori']).agg({ |
| 'jumlah_banjir': 'sum', |
| 'jumlah_sampah': 'sum', |
| 'lat': 'first', |
| 'lon': 'first' |
| }).reset_index() |
|
|
| df_agg = df_agg.dropna(subset=['lat', 'lon']) |
|
|
| color_dict = { |
| 'Wilayah Risiko Rendah': 'green', |
| 'Wilayah Risiko Sedang': 'orange', |
| 'Wilayah Risiko Tinggi': 'red' |
| } |
|
|
| for idx, row in df_agg.iterrows(): |
| cat = row['kategori'] |
| color = color_dict.get(cat, 'gray') |
| |
| |
| html = f""" |
| <div style="font-family: Arial, sans-serif; width: 220px;"> |
| <h4 style="margin-bottom: 5px; color: #333;">{row['nama_kabupaten_kota']}</h4> |
| <hr style="margin: 5px 0;"> |
| <p style="margin: 5px 0;"><b>Kategori:</b> <span style="color: {color}; font-weight: bold;">{cat}</span></p> |
| <p style="margin: 5px 0;"><b>Total Banjir:</b> {row['jumlah_banjir']}</p> |
| <p style="margin: 5px 0;"><b>Total Sampah:</b> {row['jumlah_sampah']:,.2f} Ton</p> |
| </div> |
| """ |
| iframe = folium.IFrame(html=html, width=250, height=140) |
| popup = folium.Popup(iframe, max_width=250) |
|
|
| folium.CircleMarker( |
| location=[row['lat'], row['lon']], |
| radius=10, |
| popup=popup, |
| tooltip=row['nama_kabupaten_kota'], |
| color=color, |
| fill=True, |
| fill_color=color, |
| fill_opacity=0.7 |
| ).add_to(m) |
|
|
| m.save(MAP_OUTPUT_FILE) |
| print(f"[Visualisasi] Peta berhasil disimpan ke: {MAP_OUTPUT_FILE}") |
|
|
| def main(): |
| ensure_dirs() |
| |
| if not os.path.exists(RAW_DATA_FILE): |
| print(f"[Error] File mentah tidak ditemukan: {RAW_DATA_FILE}") |
| return |
| |
| if not os.path.exists(CLUSTERED_DATA_FILE): |
| print(f"[Error] File clustering tidak ditemukan: {CLUSTERED_DATA_FILE}") |
| return |
|
|
| df_raw = pd.read_csv(RAW_DATA_FILE) |
| df_cluster = pd.read_csv(CLUSTERED_DATA_FILE) |
|
|
| plot_histograms(df_raw) |
| plot_trends(df_raw) |
| plot_scatter_clusters(df_cluster) |
| create_folium_map(df_cluster) |
|
|
| print("[Visualisasi] Selesai! Semua file berhasil dibuat.") |
|
|
| if __name__ == "__main__": |
| main() |
|
|