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在制作后处理时常见的.TCL都有什么

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发表于 2007-12-17 14:10 | 显示全部楼层 |阅读模式
我是一名后处理新手!!于是自己摸索与借鉴,发现在制作后处理时需要会.TCL语言.请问我要想学习这些语言!!需要学习什么书!!最好是视频教程!!如果没有哪位能教下我?我的QQ307306636
$ U" O" p  K5 q& @& H7 _& a以下就是其中一个实在不明白.哪位明白请+我QQ希望我们在学习中成为朋友一起共同进步.( r6 e; N7 Y, j$ b
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plevel #0 {- p! E, `9 @* J& m
#$ F$ m3 e0 A# I1 P; r4 }8 L
# This procedure will be executed automatically at the start of program and
. T" W3 P* g/ k* F7 x$ L( ]# anytime it is loaded as a slave post of a linked post.& y( {, t! G6 B. F# R
#
& G2 `- `+ G6 [+ Q/ Y9 y* k# This procedure can be used to enable your post to output helix.
- t# u/ Q/ H* L+ k5 j# You can choose from the following options to format the circle ) b( {1 L2 b% ]8 d; ?5 _9 x% K
# block template to output the helix parameters.
0 R# o0 `5 w2 r% f% h8 N* s# }#7 }7 `$ d, C3 o1 x# Q. z
set mom_sys_helix_pitch_type "rise_radian"  ( c1 w8 A5 V& W- P" j, z
#
! }; R7 H, F5 f9 e5 Q# The default setting for mom_sys_helix_pitch_type is "rise_radian".* d0 w& i' u- U5 |% K1 x
# This is the most common.  Other choices are:; Z0 A! g; A  C9 |5 T; b! `6 ~
#/ A8 |# d& `0 `6 p+ x( U( h4 j
#    "rise_radian"              Measures the rise over one radian.: A- L. @0 m: q% u& `7 Z
#    "rise_revolution"          Measures the rise over 360 degrees.
/ i8 t% \* o  ^, E- C. P- H#    "none"                     Will suppress the output of pitch.
/ z7 U* d3 r# H* |' A% ~  u$ t#    "other"                    Allows you to calculate the pitch- r# V/ U& |: R" e' l: Z. F8 r
#                               using your own formula.* E, P5 A, b) K/ B' {
# 8 ?1 k" @3 Y# m7 k
# This custom command uses the block template circular_move to output
" f* l( ~% M& i( X5 ~# the helix block.  If your post uses a block template with a different
1 v$ `% }, x' B; Y1 I, d# name, you must edit the line that outputs the helix block.8 q: V2 m9 R! D* v, a$ t9 g
#
, X! S$ U, ]7 v; |#  The following variable deines the output mode for helical records.7 [( z7 ?5 h3 C1 c
#. ?6 a6 _6 x- m) Z7 x
#  FULL_CIRCLE  -- This mode will output a helix record for each 360
6 p, t; F. P4 h#                  degrees of the helix.& F; f2 |+ |. U; |8 n
#  QUADRANT  --    This mode will output a helix record for each 90
1 H" Y  I5 k0 B% Q#                  degrees of the helix.8 F) W6 e: ~' ?* g
#  LINEAR  --      This mode will output the entire helix as linear gotos.0 D' j9 t' D6 \4 Y9 G* l
#  END_POINT --    This mode will assume the control can define an entire
$ s: A% W* }  H5 R, U% W#                  helix in a single block.
7 z* {9 z7 ~  k2 {' f   set mom_kin_helical_arc_output_mode FULL_CIRCLE/ F  h- T0 O9 `% R, C
   MOM_reload_kinematics
& I5 S" b7 J2 K8 c
/ q, {; x$ u" F+ I9 Q( i( w$ Y+ d$ J  y#=============================================================1 V# l6 y7 z+ H6 q) j; ?' J( `
proc MOM_helix_move { } {
6 u2 P: P- b, L6 H#=============================================================
' O7 s6 l- @9 Q3 h0 d) W   global mom_pos_arc_plane
+ \7 y" _8 k6 o$ r- {   global mom_sys_cir_vector' \. \5 W5 J6 X% M
   global mom_sys_helix_pitch_type
, Z& C0 @* t" Z   global mom_helix_pitch
6 X3 S9 }; {! S6 Z6 ?1 d   global mom_prev_pos mom_pos_arc_center/ z3 A+ s) C2 y. s
   global PI7 n9 [4 T# @+ a) ]6 `
   switch $mom_pos_arc_plane {
: i8 X" K- `% K      XY { MOM_suppress once K ; set cir_index 2 }4 q# \. B& J8 w5 q
      YZ { MOM_suppress once I ; set cir_index 0 }
# U) {* r' x# h8 B1 w      ZX { MOM_suppress once J ; set cir_index 1 }, C+ |% i# F, I* H2 g
   }! k2 j. }+ N: }
   switch $mom_sys_helix_pitch_type {
2 ^) Y1 n; ~  n: D# I7 N* {      none { }- }, h3 k; p0 s" \' W4 @# `+ M( I
      rise_revolution { set pitch $mom_helix_pitch }
( c: Z/ ^7 R) p8 s  q      rise_radian { set pitch [expr $mom_helix_pitch / ($PI * 2.0)]}& u  i& V4 ^* I; q: W& x
      other {% H* v! ?$ ?: A6 ]4 u3 S( f
#% Q$ E* x; p+ N. B; x% Z1 C8 f
# Place your custom helix pitch code here/ E: G5 u: l. m) c6 I8 H
#
% b# n' q! V% y      }
* v9 r- j3 u- V  ^  v& i+ n) g      default { set mom_sys_helix_pitch_type "none" }6 j( @! N: S: A, A9 I+ h
   }5 p$ L" }7 O7 X2 v3 y" _+ c
    2 b: a6 r& _* @4 s' a
   MOM_force once X Y Z& q. D% y- X; M" G
   if {$mom_sys_helix_pitch_type != "none"} {2 |! N5 V; K0 _7 D% W
      MOM_force once I J K5 K. K% C( H" Y7 G$ ?+ D
      if {$mom_sys_cir_vector == "Vector - Arc Center to Start"} {  G4 e" w/ B" F" a; [$ B& q* P7 Q. |& A+ V
         set mom_prev_pos($cir_index) 0.0
6 E7 @' a/ m* |: x         set mom_pos_arc_center($cir_index) $pitch& ^* p+ b! d+ ?! d2 x$ a8 I
      } elseif {$mom_sys_cir_vector == "Vector - Arc Start to Center"} {
$ s% B% S+ J( X' b         set mom_prev_pos($cir_index) $pitch- M$ n/ K1 s. C- v1 n! e! g" @
         set mom_pos_arc_center($cir_index) 0.0& p. g* k  ^. a8 U" y3 F
      } elseif {$mom_sys_cir_vector == "Unsigned Vector - Arc Center to Start"} {
8 \9 D; I: ]8 H  ~  t         set mom_prev_pos($cir_index) 0.0
! L( U2 w* E+ v+ @" r( S4 z( F         set mom_pos_arc_center($cir_index) $pitch
1 ]  W1 r6 P6 w2 z* `      } elseif {$mom_sys_cir_vector == "Vector - Absolute Arc Center"} {
; Z: X7 A* f2 K. V& `. v& A1 \. T         set mom_pos_arc_center($cir_index) $pitch  ~- h5 M1 b7 D1 ~# ?* O
      }, F9 b# K- {9 M4 a7 @
   }9 h1 H" F5 }9 B7 B+ ~$ ~  ?

- d# D) _; D: n0 j, a, r#
' D0 B' m! X& o% o/ A# You may need to edit this line if you output more than one block
, N3 j/ g) D3 D& p# or if you have changed the name of your circular_move block template# s; z6 |  P3 L2 K
#% }5 f. x- D7 a- d' X0 z8 D
   MOM_do_template circular_move
5 |. J7 Q& Y- P8 W' S) }5 Q; v3 R0 _* h
} ;# MOM_helix_move
+ @" T! N. s0 }* ~! t
- F9 E" M- l: h9 C, m} ;# uplevel
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