增加角度显示计算，优化CNN架构

data_units.py

@@ -19,10 +19,10 @@ def layout_to_tensor(layout_path, target_size=(256, 256)):
     img = img.resize(target_size, resample=Image.BILINEAR)
     return np.array(img) / 255.0                 # 归一化到[0,1]
 
-def tile_layout(large_layout, block_size=64):
+def tile_layout(large_layout, block_size=64, overlap_ratio=0.5):
     """将大版图分割为小块（滑动窗口方式）"""
     height, width = large_layout.shape
-    stride = block_size // 2                     # 步长设置重叠区域
+    stride = int(block_size * (1 - overlap_ratio))                    # 步长设置重叠区域
     tiles = []
     for y in range(0, height - block_size +1, stride):
         for x in range(0, width - block_size +1, stride):