feat: 优化风电场集电系统设计，支持电缆规格配置

main.py

@@ -13,6 +13,10 @@ import argparse
 plt.rcParams['font.sans-serif'] = ['Microsoft YaHei', 'SimHei', 'Arial']
 plt.rcParams['axes.unicode_minus'] = False
 
+# 常量定义
+VOLTAGE_LEVEL = 66000  # 66kV
+POWER_FACTOR = 0.95
+
 # 1. 生成风电场数据（实际应用中替换为真实坐标）
 def generate_wind_farm_data(n_turbines=30, seed=42, layout='random', spacing=800):
     """
@@ -381,10 +385,6 @@ def design_with_capacitated_sweep(turbines, substation, cable_specs=None):
     
     return cluster_connections + substation_connections, turbines
 
-# 常量定义
-VOLTAGE_LEVEL = 66000  # 66kV
-POWER_FACTOR = 0.95
-
 def get_max_cable_capacity_mw(cable_specs=None):
     """
     计算给定电缆规格中能够承载的最大功率 (单位: MW)。
@@ -616,8 +616,8 @@ def export_to_dxf(turbines, substation, connections_details, filename):
         if layer_name not in doc.layers:
             doc.layers.add(layer_name)
             
-        # 绘制直线
+        # 绘制二维多段线
-        msp.add_line(p1, p2, dxfattribs={'layer': layer_name})
+        msp.add_lwpolyline([p1, p2], dxfattribs={'layer': layer_name})
         
         # 添加电缆型号文字（可选，在线的中点）
         # mid_x = (p1[0] + p2[0]) / 2
@@ -824,7 +824,7 @@ def compare_design_methods(excel_path=None, n_clusters_override=None):
     # 这里我们导出Sector Clustering的结果
     export_to_dxf(clustered_turbines, substation, kmeans_evaluation['details'], dxf_filename)
     
-    plt.show() 
+    # plt.show() 
     
     # 打印详细结果
     print(f"\n===== 海上风电场设计方案比较 ({'导入数据' if excel_path else '自动生成'}) =====")
@@ -834,6 +834,36 @@ def compare_design_methods(excel_path=None, n_clusters_override=None):
         print(f"  预估总损耗: {eval_data['total_loss']:.2f} kW")
         print(f"  连接数量: {eval_data['num_connections']}")
 
+    # Calculate additional metrics for K-means (Capacitated Sweep)
+    print("\n===== K-Means (Capacitated Sweep) 详细统计 =====")
+    
+    # 1. 总回路数
+    # The 'cluster' column in clustered_turbines holds the circuit ID.
+    num_circuits = clustered_turbines['cluster'].nunique()
+    print(f"总回路数: {num_circuits}")
+    
+    # 2. 每种型号电缆长度
+    cable_lengths = defaultdict(float)
+    max_current = 0.0
+    
+    for conn in kmeans_evaluation['details']:
+        # Length
+        section = conn['cable']['cross_section']
+        length = conn['length']
+        cable_lengths[section] += length
+        
+        # Max Current
+        current = conn['cable']['current']
+        if current > max_current:
+            max_current = current
+            
+    print("每种型号电缆的长度:")
+    for section in sorted(cable_lengths.keys()):
+        print(f"  {section}mm²: {cable_lengths[section]:.2f} m")
+        
+    # 3. 最大支路电流
+    print(f"最大支路电流: {max_current:.2f} A")
+    
     return results
 
 # 8. 执行比较