deleted legacy path function

Author: harrydobbs

Diff for: smart_tree/data_types/tree.py

@@ -106,13 +106,13 @@ def smooth(self, kernel_size=5):
         """
         Smooths the skeleton radius.
         """
+        kernel = torch.ones(1, 1, kernel_size)
         for branch in self.branches.values():
-            if branch.radii.shape[0] > kernel_size:
-                branch.radii = F.conv1d(
-                    branch.radii.reshape(-1, 1, 1),
-                    torch.ones(1, 1, kernel_size),
-                    padding="same",
-                ).reshape(-1)
+            branch.radii = F.conv1d(
+                branch.radii.unsqueeze(2),
+                kernel,
+                padding=(kernel_size - 1) // 2,
+            ).squeeze(2)
 
 
 @dataclass

Diff for: smart_tree/skeleton/path.py

@@ -53,15 +53,6 @@ def select_path_points(
     return idx_point[order], idx_path[order]
 
 
-def find_branch_parent(idx_pt, idx_lookup):
-    """Finds which branch pt is from ...
-    so we can work out the branch parent..."""
-    for _id, _idxs in idx_lookup.items():
-        if idx_pt in _idxs:
-            return int(_id)
-    return -1
-
-
 def sample_tree(
     medial_pts,
     medial_radii,