hoàn thành chức năng phân lô trên ảnh predict

test_shapefile_overlay.py

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+#!/usr/bin/env python
+"""
+Test script to verify shapefile overlay functionality
+"""
+import geopandas as gpd
+import numpy as np
+from pathlib import Path
+
+# Test shapefile path
+shapefile_path = "ChauThanh/HienTrang/ChauThanh_kiemke.shp"
+
+print("=" * 70)
+print("TESTING SHAPEFILE OVERLAY")
+print("=" * 70)
+
+# Check if file exists
+shp = Path(shapefile_path)
+print(f"\n1. Checking file existence:")
+print(f"   Path: {shp}")
+print(f"   Exists: {shp.exists()}")
+print(f"   Absolute: {shp.absolute()}")
+
+if shp.exists():
+    # Read shapefile
+    print(f"\n2. Reading shapefile...")
+    gdf = gpd.read_file(str(shp))
+    print(f"   Features: {len(gdf)}")
+    print(f"   CRS: {gdf.crs}")
+    print(f"   Bounds: {gdf.total_bounds}")
+    print(f"   Columns: {list(gdf.columns)}")
+    
+    # Check geometries
+    print(f"\n3. Checking geometries...")
+    valid_count = sum(1 for geom in gdf.geometry if geom is not None and geom.is_valid)
+    print(f"   Valid geometries: {valid_count} / {len(gdf)}")
+    
+    # Sample geometry bounds
+    if len(gdf) > 0:
+        sample_geom = gdf.geometry.iloc[0]
+        print(f"   Sample geometry type: {sample_geom.geom_type}")
+        print(f"   Sample geometry bounds: {sample_geom.bounds}")
+    
+    # Test reprojection to EPSG:4326
+    print(f"\n4. Testing reprojection to EPSG:4326...")
+    try:
+        gdf_4326 = gdf.to_crs("EPSG:4326")
+        print(f"   Success!")
+        print(f"   New bounds: {gdf_4326.total_bounds}")
+    except Exception as e:
+        print(f"   ERROR: {e}")
+    
+    # Test boundary extraction
+    print(f"\n5. Testing boundary extraction...")
+    boundaries = []
+    for geom in gdf.geometry:
+        if geom is not None and geom.is_valid:
+            boundary = geom.boundary
+            if boundary is not None:
+                boundaries.append(boundary)
+    print(f"   Extracted boundaries: {len(boundaries)}")
+    
+    # Test buffering
+    print(f"\n6. Testing buffer...")
+    buffer_size = 0.001  # degrees or meters depending on CRS
+    buffered = []
+    for boundary in boundaries[:10]:  # Test first 10
+        try:
+            buf = boundary.buffer(buffer_size)
+            buffered.append(buf)
+        except Exception as e:
+            print(f"   Buffer error: {e}")
+    print(f"   Successfully buffered: {len(buffered)} / 10")
+    
+else:
+    print("   ERROR: Shapefile not found!")
+
+print("\n" + "=" * 70)
+print("TEST COMPLETE")
+print("=" * 70)