Help with NGCGUI routine

(pyngcgui: FEATURE 140323:16.44.42) (pyngcgui: files: </home/marius/dev/bluearc/nc_files/ngcgui_lib/lathe/lathe_mm.ngc,/home/marius/dev/bluearc/nc_files/ngcgui_lib/lathe/seal_a.ngc,>) (pyngcgui: feature line added) #<_feature:> = 0 (pyngcgui: preamble file: /home/marius/dev/bluearc/nc_files/ngcgui_lib/lathe/lathe_mm.ngc) g18 (xz plane) g21 (mm) g40 (cancel cutter radius compensation) g49 (cancel tool lengthoffset) g90 (absolute distance mode) g94 (units/min feedrate) g54 (Coordinate system 1 default) #<tol> = 0.001 g64 p#<tol> (path control stop) (Positional parameters for /home/marius/dev/bluearc/nc_files/ngcgui_lib/lathe/seal_a.ngc) #1 = 50 #2 = 50 #3 = 20 #4 = 22 #5 = 1 #6 = 1 #7 = 1 #8 = 1 #9 = 10 #10 = 1 #11 = 1 #12 = 80 #13 = 20 #14 = 1500 #15 = 2 #16 = 2 (expanded file: /home/marius/dev/bluearc/nc_files/ngcgui_lib/lathe/seal_a.ngc) ; Author: Marius Liebenberg (info: Complete seal turning - lathe) #<Stock_Dia> = #1 (=50 Stock Size) #<OD> = #2 (=50 OD-Outside Diameter) #<Hole_Dia> = #3 (=20 Hole size) #<ID> = #4 (=22 ID-Inside Diameter) #<S0> = #5 (=1 S0-Width Outside Slot) #<S1> = #6 (=1 S1-Width Inside Slot) #<D0> = #7 (=1 D0-Depth Outside Slot) #<D1> = #8 (=1 D1-Depth Inside Slot) #<W> = #9 (=10 W-Width of Seal) #<C> = #10 (=1 C-Width of chamfer) #<Depth_Cut>= #11 (=1 Cut Size) #<SurfaceSpeed> = #12 (=80 Surface Speed) #<FeedRate> = #13 (=20 Feed mmPM) #<MaxSpindle_RPM> = #14 (=1500 MAX RPM) #<T1W> = #15 (=2 Tool 1 width) #<T2W> = #16 (=2 Tool 2 Width) ;#<left:> = #<_hal[twincontrol.select-lh]> ;#<right> = #<_hal[twincontrol.select-rh]> (Probe here first) ;o<if00> if [[#<left> eq 1] and [#<right> eq 1]] ; o<probe_both> call ; else if [#<left> eq 1] ; o<probe_left> call ; else if [#<right> eq 1] ; o<probe_right> call ;o<if00> endif #<Z_StartOfCut> = 0.5 ;T#<ToolNumber> M6 ; G43: toollength offset ; G7: diameter mode ; G96: constant surface speed ;G43 G7 G96 D#<MaxSpindle_RPM> S#<SurfaceSpeed> ; Turn the ID M3 ;M#<Coolant> ; spindle cw, coolant on/off:w ; Turn the ID G0 X#<Hole_Dia> Z#<Z_StartOfCut> #<Current-Diameter> = #<Hole_Dia> #<Final_Dia> = #<ID> ;;;;;; I am trying to invert the W variable to be negative here ??? #<Z_EndOfCut> = [[#<W> * [-1]] - 1] o100 while [#<Hole_Dia> lt #<ID>] O101 if [#<Current-Diameter> + #<Depth_Cut> lt #<ID>] #<Current-Diameter> = [#<Current-Diameter> + #<Depth_Cut>] O101 else #<Current-Diameter> = #<ID> O101 endif X#<Current-Diameter> G1 Z#<Z_EndOfCut> F#<FeedRate> G0 X[#<Current-Diameter>-1] Z#<Z_StartOfCut> o100 endwhile o102 while [#<Spring_Cuts> gt 0] G1 X#<ID> Z#<Z_EndOfCut> X[#<ID>-1] G0 Z#<Z_StartOfCut> #<Spring_Cuts> = [#<Spring_Cuts> -1] o102 endwhile G0 X[#<Current-Diameter> + 1] ;Now cut the OD G0 X#<Stock_Size> Z#<Z_StartOfCut> #<Current-Diameter> = #<Stock_Size> o200 while [#<Current-Diameter> gt #<OD>] O201 if [#<Current-Diameter> - #<Depth_Cut> gt #<OD>] #<Current-Diameter> = [#<Current-Diameter> - #<Depth_Cut>] O201 else #<Current-Diameter> = #<OD> O201 endif X#<Current-Diameter> G1 Z#<Z_EndOfCut> F#<FeedRate> G0 X[#<Current-Diameter>+1] Z#<Z_StartOfCut> o200 endwhile o202 while [#<Spring_Cuts> gt 0] G1 X#<OD> Z#<Z_EndOfCut> X[#<OD>+1] G0 Z#<Z_StartOfCut> #<Spring_Cuts> = [#<Spring_Cuts> -1] o202 endwhile G0 X[#<Current-Diameter>+1] M5 M9 ; stop spindle, all coolant off Z#<Z_StartOfCut> G49 ; cancel tool length offset G53 G0 X0 Z0 ; move in machine coordinates ;pyngcgui ignoring: m2 (pyngcgui: m2 line added) m2 (g54 activated)

o100 while [#<Current_Diameter> lt #<ID>] o101 if [#<Current_Diameter> + #<Depth_Cut> lt #<ID>] #<Current_Diameter> = [#<Current_Diameter> + #<Depth_Cut>] o101 else #<Current_Diameter> = #<ID> o101 endif X#<Current_Diameter> G1 Z#<Z_EndOfCut> F#<FeedRate> G0 X[#<Current_Diameter>-1] Z#<Z_StartOfCut> o100 endwhile