ГОСТ Р ИСО 10303-515—2007
self intersect
Q
5,46(4)С compositecurve
(DER)basis_
surface S [0:2]
A
composite curve_
on surface
surface
(DER)n_scgmcnts
(DER)closedcurvc
C
5,56(1) >
-O.
(
-2’2•
^
C
5,45(4) )
degree
-
__
u
LI
(
")
C
5,3(6)
♦segments L [1:?]
_composite_curve_
(INV)using_curves B[1:?]
segment
same sense
transition.•parent_
cartesian_pomt у
curve
transition code
Vcurve
J
f
2 Д"N
cartesian_point
J
[ b_splmc_curve_form
r --------------------------------------
j (
--------------
control_points_
list L£2:?J
(DER)control_points
A[0:upper_index_
on_control_points]
closed
curve
b_splinecurve
f 1
curve form
(DER)upper_index_
on_control_points
-------
О
~°sclf intersect
-Qrationa!J>_spline_curve
•weights_data L[2:?]
(DER)weights A[0:upper_index_on_control_points]
Cbezier curve
♦knotmultiplicities L[2:?]
b_spline_curvc_
<3with knots
•knots I.[2:?]
---------------- r —
<uniform curve
-----------
--------q
--
parameter_valuc
.
i
knotspec
<|knot_type 1 J
■O
(DER)uppcr_indcx_on_knots
<quasi_uniform_curve
Рисунок C.5 — Расширенный листинг ПИК в формате EXPRESS-G (диаграмма 5 из 15)
10