ГОСТ Р ИСО 10303-514—2007
(
cartesian,
( 7Л (3) )
VDoint
uclosed
v closed
selfjntersect
^u_upper (PER)
>v_upper (DER)
control pointsjist
L[2:?J OF L[2:?]
controljx)ints
A[0:u_upper] OF
A[0:v_upper] (DER)
?] OF Lf2:?l
wcights_data
/
L[2:
------------------
rational
b_spline_
curve
weights
A[0:u_upper] OF
AlO:v_uppcr] (DER)
(DER)
2:?]
knot_u_upper
r>
u
R
knots
(
v knots
Л Ш .
b_spline_
curve_
with knots
knot_v_upper
(DER)
u multiplicitiesv multiplicities
_Q_
uniform
curse"
[2:?][2:?]
knotspec
i---------^П
i knot type! I
I. i
v_degree
_Q
quasi_
uniform_
curve "
Рисунок D.7 — ПИК alc_advanced_brep в формате EXPRESS-G (диаграмма 7 из 8)
15