Fixed 1 tangent/pnt and center

src/build123d/topology/constrained_lines.py

@@ -550,7 +550,6 @@ def _make_3tan_arcs(
 def _make_tan_cen_arcs(
     object_1: tuple[Edge, PositionConstraint] | Vertex | VectorLike,
     center: VectorLike | Vertex,
-    sagitta_constraint: LengthConstraint = LengthConstraint.SHORT,  # unused here
     *,
     edge_factory: Callable[[TopoDS_Edge], TWrap],
 ) -> ShapeList[Edge]:
@@ -572,7 +571,7 @@ def _make_tan_cen_arcs(
     if isinstance(object_1, tuple):
         object_one, obj1_qual = object_1
     else:
-        object_one = object_1
+        object_one, obj1_qual = object_1, None
 
     # ---------------------------
     # Build fixed center (gp_Pnt2d)
@@ -609,7 +608,7 @@ def _make_tan_cen_arcs(
 
     else:
         # Case B: tangency target is a curve/edge (qualified curve)
-        gcc = Geom2dGcc_Circ2dTanCen(q_o1, c2d, TOLERANCE)
+        gcc = Geom2dGcc_Circ2dTanCen(q_o1, Geom2d_CartesianPoint(c2d), TOLERANCE)
         if not gcc.IsDone() or gcc.NbSolutions() == 0:
             raise RuntimeError(
                 "Unable to find circle(s) tangent to target with fixed center"

src/build123d/topology/one_d.py

@@ -1670,7 +1670,6 @@ class Edge(Mixin1D, Shape[TopoDS_Edge]):
         tangency_one: tuple[Edge, PositionConstraint] | Vertex | VectorLike,
         *,
         center: VectorLike,
-        sagitta_constraint: LengthConstraint = LengthConstraint.SHORT,
     ) -> ShapeList[Edge]:
         """make_constrained_arcs
 
@@ -1681,9 +1680,6 @@ class Edge(Mixin1D, Shape[TopoDS_Edge]):
             tangency_one (tuple[Edge, PositionConstraint] | Vertex | VectorLike):
                 Geometric entity to be contacted/touched by the circle(s)
             center (VectorLike): center position
-            sagitta_constraint (LengthConstraint, optional): returned arc selector
-                (i.e. either the short, long or both arcs). Defaults to
-                LengthConstraint.SHORT.
 
         Returns:
             ShapeList[Edge]: tangent arcs
@@ -1794,9 +1790,7 @@ class Edge(Mixin1D, Shape[TopoDS_Edge]):
             and radius is None
             and center_on is None
         ):
-            return _make_tan_cen_arcs(
-                *tangencies, center, sagitta_constraint, edge_factory=cls
-            )
+            return _make_tan_cen_arcs(*tangencies, center, edge_factory=cls)
         if tan_count == 1 and center_on is not None and radius is not None:
             return _make_tan_on_rad_arcs(
                 *tangencies, center_on, radius, sagitta_constraint, edge_factory=cls