dxf文件中的样条曲线数据中各个参数的含义是什么?

ahxinny

dxf文件中的样条曲线数据中的各个参数的含义是什么?

ahxinny

下面是我从dxf文件中提取到的一个样条曲线的数据：
, C# M1 D1 T9 N8 _* C" QSPLINE
  5
AF
! Z5 x: X3 m% t330
# P+ G8 l$ a: F' f1F
8 q' r* H6 Q( C+ g) u100
; P) i" i7 s: `8 s6 E, FAcDbEntity
  8
CAXA种档哌沣0
100
/ o, I$ w1 {: Y8 s. bAcDbSpline
3 G6 ]% G/ [3 l% E, P210
; [( e4 j5 e" E! I( `5 |6 N7 C0.0
220
0.0
230
1.0
70
    12
( d. B- b8 i! V6 E7 \ 71
! K5 B  B- R2 L3 c     3
72
    10
73
     6
. z9 Z; L8 Q3 t' F2 a 74
     0
* [# }! H  Z$ t& @1 }, V: v 42
6 |0 s) m/ s6 D0.000000001
43
0.1
+ t+ ^, S$ o6 g' N1 [' ^ 40
0.0
40
! G% g' ]- W4 r8 c0.0
4 C$ Q. Z  e( a8 Y  ]: ~ 40
0.0
6 I+ N4 O% B- B2 Q/ p4 Q8 k! v 40
3 X5 Y9 \5 _5 P7 x0.0
2 w5 ?) l* I! H6 F, [' M# P* z 40
* }! o1 u1 B7 i# {" s, a& J23.95098069092707
# J8 k( P0 S# Z; M+ _ 40
38.61255964656166
* h3 k" g9 D% T% u5 k: y* H# [ 40
62.87220129371974
40
62.87220129371974
40
( V# [$ [5 R# \2 k; t' T62.87220129371974
" l, l7 ?/ \- f- q3 z4 U/ c3 K 40
62.87220129371974
10
  X% y( d: c+ V7 d-47.9323643136264
20
-45.66038526579014
30
8 Z4 D# j' L8 Z' b8 i! Y0.0
41
5 S; p+ Y, t, W* R1.0
5 u1 E; @! H4 ?$ e 10
-41.01852701507762
20
-49.02630753443909
30
8 p9 C) x, b6 p$ e% \8 t/ }0.0
8 n% N& T, k- m: y 41
8 v7 K% t9 E+ a( S6 l, D. b9 F" A1.0
10
-24.50277635387524
20
-53.58531426096155
30
0.0
+ r6 |' c5 L  t7 I, W  T 41
. Z  p6 Y  K/ u: M+ [" F9 L1.0
8 C- b/ O4 ]# \) y 10
! x! o5 E" r' f3 ?2 \. A& V-16.21068091900228
# \" Q" B; D" d* S+ H+ z1 x. m 20
( k8 h9 X! P" P1 o5 r-29.93389080649852
% E& E) f0 k5 s6 S* ]) u! w# v5 C 30
0.0
% w+ _# m: X. o1 r 41
0.9999999999999996
10
+ V' K3 t! y1 O; s4 Y0.6149704937364344
1 @2 c  b% `3 V 20
% a+ c' H0 M8 ~; h) i- {9 _-36.44913110971545
30
0.0
: b, l( V( o/ E2 g" A  G! u 41
1.0
( J2 v9 ~. k+ b. o" O2 D 10
7.190378123156488
- b# P4 Q) }. U7 [' l 20
# m+ W2 ~* x% G  b) H-40.62387282635372
$ |4 y) f* O7 V0 I$ J# x. J2 f 30
  b* o5 ~1 k0 W+ X% f0.0
: {- k$ k+ b9 s 41
1.0
0 \( g( I& I+ s! c: f  0