initial commit for logic problem

polygons_processing/.ipynb_checkpoints/test_polygons-checkpoint.ipynb

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+version https://git-lfs.github.com/spec/v1
+oid sha256:fccd12fbc4544d5a4ff5d00fbca71ce235a46d85b6e5635f903e912b3433c9bd
+size 180861

polygons_processing/polygons_test.py

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+# -*- coding: utf-8 -*-
+"""
+Created on Tue May 21 13:44:53 2024
+
+@author: morit
+"""
+
+import json
+from shapely.geometry import Polygon
+from shapely.ops import unary_union
+import matplotlib.pyplot as plt
+from matplotlib.patches import Polygon as MplPolygon
+import numpy as np
+import pandas as pd
+
+with open('../data_subset/Tree Crown vector datasets-20240520T095639Z-001/Tree Crown vector datasets/manaus_800.geojson', 'r') as file:
+    data = json.load(file)
+
+print(len(data))
+data_list = data['features']
+print(data['features'][0])
+
+# Define the coordinates of the two polygons
+polygon1_coords = data_list[0]['geometry']['coordinates'][0] #[(0, 0),(1,-1), (2, 0), (2, 2), (1, 2)]
+polygon2_coords = data_list[1]['geometry']['coordinates'][0] #[(0.5, -1), (3, 1), (3, 3), (1, 3)]
+
+
+def add_extreme_coordinates(polygon_data):
+    polygon_coords = np.array(data_list[0]['geometry']['coordinates'][0])
+    
+    polygon_data['geometry']['max_lat'] = max(polygon_coords[:,1])
+    polygon_data['geometry']['min_lat'] = min(polygon_coords[:,1])
+    polygon_data['geometry']['max_lon'] = max(polygon_coords[:,0])
+    polygon_data['geometry']['min_lon'] = min(polygon_coords[:,0])
+
+
+for i in range(len(data_list)):    
+    add_extreme_coordinates(data_list[i])
+
+print(data['features'][0])
+
+
+
+# Create Polygon objects
+list_polygons = []
+N = 50
+for i in range(N):
+    polygon_coords = data_list[i]['geometry']['coordinates'][0] #[(0, 0),(1,-1), (2, 0), (2, 2), (1, 2)]
+    polygon = Polygon(polygon_coords)
+    list_polygons.append(polygon)
+# Calculate the intersection of the two polygons
+#intersection = polygon1.intersection(polygon2)
+
+# Function to plot a polygon
+def plot_polygon(ax, polygon, color, label):
+    if not polygon.is_empty:
+        x, y = polygon.exterior.xy
+        ax.fill(x, y, color=color, alpha=0.5, label=label)
+
+# Plot the polygons and their intersection
+fig, ax = plt.subplots()
+
+# Plot polygon1
+for i,polygon in enumerate(list_polygons):
+    plot_polygon(ax, polygon, 'blue', f"polygon {i}")
+
+
+# Plot the intersection
+#plot_polygon(ax, intersection, 'red', 'Intersection')
+
+# Add legend
+#ax.legend()
+
+# Set axis limits
+ax.set_aspect('equal')
+#ax.set_xlim(-1, 4)
+#ax.set_ylim(-1, 4)
+
+# Set title
+ax.set_title('Polygons and their Intersection')
+plt.ylabel('lat')
+plt.ylabel('lon')
+
+plt.show()
+
+df = pd.DataFrame(data_list).drop(columns='type')
+
+dict_cols = ['properties', 'geometry']
+for dict_col in dict_cols:
+    dict_df = pd.json_normalize(df[dict_col])
+    # Merge the new columns back into the original DataFrame
+    df = df.drop(columns=[dict_col]).join(dict_df)
+
+
+
+print(dict_df)
+print(df)
+print(df.columns)
+
+
+# Calculate and print the area of the intersection
+#intersection_area = intersection.area
+#print(f"The area of intersection is: {intersection_area}")

polygons_processing/test_polygons.ipynb

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+version https://git-lfs.github.com/spec/v1
+oid sha256:fccd12fbc4544d5a4ff5d00fbca71ce235a46d85b6e5635f903e912b3433c9bd
+size 180861