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import matplotlib.pyplot as plt
import numpy as np
def generate_map(gps_coordinates, items):
if not gps_coordinates or not items:
return None
# Extract latitude and longitude
lats = [coord[0] for coord in gps_coordinates]
lons = [coord[1] for coord in gps_coordinates]
# Create a simple plot
fig, ax = plt.subplots(figsize=(6, 4))
ax.scatter(lons, lats, c='blue', label='Path', alpha=0.5)
# Plot cracks and holes
for coord, item in zip(gps_coordinates[-len(items):], items):
if item['type'] == 'crack':
color = 'red' if item['severity'] == 'Severe' else 'orange' if item['severity'] == 'Moderate' else 'green' if item['severity'] == 'Minor' else 'purple'
marker = 'x'
label = f"Crack: {item['severity']}"
else: # Hole
color = 'darkred' if item['severity'] == 'Severe' else 'yellow' if item['severity'] == 'Moderate' else 'darkgreen'
marker = 'o'
label = f"Hole: {item['severity']}"
ax.scatter(coord[1], coord[0], c=color, marker=marker, s=100, label=label)
ax.set_xlabel("Longitude")
ax.set_ylabel("Latitude")
ax.set_title("Crack/Hole Locations Map")
ax.grid(True)
# Remove duplicate labels in legend
handles, labels = ax.get_legend_handles_labels()
by_label = dict(zip(labels, handles))
ax.legend(by_label.values(), by_label.keys())
map_path = "map_temp.png"
plt.savefig(map_path)
plt.close(fig)
return map_path |