def _audit_fit_points(self, auditor: "Auditor"):
name = str(self)
order = self.dxf.degree + 1
# Assuming end tangents will be estimated if not present,
# like by ezdxf:
n_fit_points_required = required_fit_points(order, tangents=True)
# Splines with to few fit points can't be processed:
n_fit_points = len(self.fit_points)
if n_fit_points < n_fit_points_required:
auditor.fixed_error(
code=AuditError.INVALID_SPLINE_FIT_POINT_COUNT,
message=f"Removed {name} with invalid fit point count: "
f"{n_fit_points} < {n_fit_points_required}",
)
auditor.trash(self)
return
# Knot values have no meaning for splines defined by fit points:
if len(self.knots):
auditor.fixed_error(
code=AuditError.INVALID_SPLINE_KNOT_VALUE_COUNT,
message=f"Removed unused knot values for {name} "
f"defined by fit points.",
)
self.knots = []
# Weights have no meaning for splines defined by fit points:
if len(self.weights):
auditor.fixed_error(
code=AuditError.INVALID_SPLINE_WEIGHT_COUNT,
message=f"Removed unused weights for {name} "
f"defined by fit points.",
)
self.weights = []
def test_if_fit_point_count_is_valid(self, auditor, spline, degree):
order = degree + 1
spline.dxf.degree = degree
add_n_fit_points(spline, required_fit_points(order, tangents=True) - 1)
spline.audit(auditor)
assert len(auditor.fixes) == 1
assert auditor.fixes[
0].code == AuditError.INVALID_SPLINE_FIT_POINT_COUNT
# Test if invalid spline will be destroyed:
auditor.empty_trashcan()
assert spline.is_alive is False
def test_required_fit_points_with_given_end_tangents(order, expected):
assert required_fit_points(order, tangents=True) == expected
