Use section_length from section.py

neurom/features/neurite.py

@@ -82,6 +82,7 @@ def homogeneous_filter(section):
 @feature(shape=())
 def max_radial_distance(neurite, origin=None, section_type=NeuriteType.all):
     """Get the maximum radial distances of the termination sections."""
+
     term_radial_distances = section_term_radial_distances(
         neurite, origin=origin, section_type=section_type
     )
@@ -151,28 +152,23 @@ def total_volume(neurite, section_type=NeuriteType.all):
     return sum(_map_sections(sf.section_volume, neurite, section_type=section_type))
 
 
-def _section_length(section):
-    """Get section length of `section`."""
-    return morphmath.section_length(section.points)
-
-
 @feature(shape=(...,))
 def section_lengths(neurite, section_type=NeuriteType.all):
     """Section lengths."""
-    return _map_sections(_section_length, neurite, section_type=section_type)
+    return _map_sections(sf.section_length, neurite, section_type=section_type)
 
 
 @feature(shape=(...,))
 def section_term_lengths(neurite, section_type=NeuriteType.all):
     """Termination section lengths."""
-    return _map_sections(_section_length, neurite, Section.ileaf, section_type=section_type)
+    return _map_sections(sf.section_length, neurite, Section.ileaf, section_type=section_type)
 
 
 @feature(shape=(...,))
 def section_bif_lengths(neurite, section_type=NeuriteType.all):
     """Bifurcation section lengths."""
     return _map_sections(
-        _section_length, neurite, Section.ibifurcation_point, section_type=section_type
+        sf.section_length, neurite, Section.ibifurcation_point, section_type=section_type
     )