1) call cut_segment from curve_segment; 2) fix u_bounds for FreeCAD c…

…urves. refs #4469.
nortikin · Aug 30, 2022 · ad175dc · ad175dc
1 parent c247fa5
commit ad175dc
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/utils/curve/algorithms.py b/utils/curve/algorithms.py
@@ -988,7 +988,9 @@ def split_curve(curve, splits, rescale=False):
 
 def curve_segment(curve, new_t_min, new_t_max, rescale=False):
     t_min, t_max = curve.get_u_bounds()
-    if hasattr(curve, 'split_at') and (new_t_min > t_min or new_t_max < t_max):
+    if hasattr(curve, 'cut_segment'):
+        return curve.cut_segment(new_t_min, new_t_max, rescale=rescale)
+    elif hasattr(curve, 'split_at') and (new_t_min > t_min or new_t_max < t_max):
         if new_t_min > t_min:
             start, curve = curve.split_at(new_t_min)
         if new_t_max < t_max:

diff --git a/utils/curve/freecad.py b/utils/curve/freecad.py
@@ -338,7 +338,7 @@ def derivatives_array(self, n, ts, tangent_delta=None):
 
     def get_u_bounds(self):
         if self.u_bounds is None:
-            return (self.curve.FirstParameter, self.curve.LastParameter)
+            return (self.curve.KnotSequence[0], self.curve.KnotSequence[-1])
         else:
             return self.u_bounds