Merge branch 'feat/helix_detection_enhancements' of https://github.com/ansys/pyansys-geometry into feat/body_sweep_with_guide_impl

Author: jacobrkerstetter

src/ansys/geometry/core/_grpc/_services/v0/conversions.py

@@ -749,6 +749,46 @@ def from_nurbs_curve_to_grpc_nurbs_curve(curve: "NURBSCurve") -> GRPCNurbsCurve:
     )
 
 
+def from_grpc_nurbs_curve_to_nurbs_curve(curve: GRPCNurbsCurve) -> "NURBSCurve":
+    """Convert a NURBS curve gRPC message to a ``NURBSCurve``.
+
+    Parameters
+    ----------
+    curve : GRPCNurbsCurve
+        Geometry service gRPC NURBS curve message.
+
+    Returns
+    -------
+    NURBSCurve
+        Resulting converted NURBS curve.
+    """
+    from ansys.geometry.core.shapes.curves.nurbs import NURBSCurve
+
+    # Extract control points
+    control_points = [
+        from_grpc_point_to_point3d(cp.position) for cp in curve.control_points
+    ]
+
+    # Extract weights
+    weights = [cp.weight for cp in curve.control_points]
+
+    # Extract degree
+    degree = curve.nurbs_data.degree
+
+    # Convert gRPC knots to full knot vector
+    knots = []
+    for grpc_knot in curve.nurbs_data.knots:
+        knots.extend([grpc_knot.parameter] * grpc_knot.multiplicity)
+
+    # Create and return the NURBS curve
+    return NURBSCurve.from_control_points(
+        control_points=control_points,
+        degree=degree,
+        knots=knots,
+        weights=weights,
+    )
+
+
 def from_knots_to_grpc_knots(knots: list[float]) -> list[GRPCKnot]:
     """Convert a list of knots to a list of gRPC knot messages.
 
@@ -813,6 +853,8 @@ def from_grpc_curve_to_curve(curve: GRPCCurveGeometry) -> "Curve":
         result = Circle(origin, curve.radius, reference, axis)
     elif curve.major_radius != 0 and curve.minor_radius != 0:
         result = Ellipse(origin, curve.major_radius, curve.minor_radius, reference, axis)
+    elif curve.nurbs_curve.nurbs_data.degree != 0:
+        result = from_grpc_nurbs_curve_to_nurbs_curve(curve.nurbs_curve)
     elif curve.direction is not None:
         result = Line(
             origin,