+================================================
+                                                
+ Linuxcnc - Vectric machine output configuration file   
+                                                
+================================================
+                                                
+ History                                        
+                                                
+ Who    When       What                         
+ ======== ========== ===========================
+ Tony     02/08/2005 Written 
+ Pieter   20/06/2008 adapted for EMC2, begin + end
+					  it uses M7 to start coolant/vacu-cleaner
+ Mark	   28/06/2008 Added Arcs and new segment section.
+ Mark           30/09/2009 Inch version
+ cncbasher  23/09/2014 Added Toolchange
+================================================

POST_NAME = "Linuxcnc ntn Arcs(inch)(*.ngc)"

FILE_EXTENSION = "ngc"

UNITS = "INCHES"

+------------------------------------------------
+    Line terminating characters                 
+------------------------------------------------

LINE_ENDING = "[13][10]"

+------------------------------------------------
+    Block numbering                             
+------------------------------------------------

LINE_NUMBER_START     = 0
LINE_NUMBER_INCREMENT = 10
LINE_NUMBER_MAXIMUM = 999999

+================================================
+                                                
+    Formating for variables                     
+                                                
+================================================

VAR LINE_NUMBER = [N|A|N|1.0]
VAR SPINDLE_SPEED = [S|A|S|1.0]
VAR FEED_RATE = [F|C|F|1.1]
VAR X_POSITION = [X|C|X|1.4]
VAR Y_POSITION = [Y|C|Y|1.4]
VAR Z_POSITION = [Z|C|Z|1.4]
VAR ARC_CENTRE_I_INC_POSITION = [I|A|I|1.4]
VAR ARC_CENTRE_J_INC_POSITION = [J|A|J|1.4]
VAR X_HOME_POSITION = [XH|A|X|1.4]
VAR Y_HOME_POSITION = [YH|A|Y|1.4]
VAR Z_HOME_POSITION = [ZH|A|Z|1.4]
VAR SAFE_Z_HEIGHT = [SAFEZ|A|Z|1.4]

+================================================
+                                                
+    Block definitions for toolpath output       
+                                                
+================================================

+---------------------------------------------------
+  Commands output at the start of the file
+---------------------------------------------------

begin HEADER

"%"
"G20 G40 G49 M6 T1"
"G17"
"M7"
"G0[ZH]"
"G0[XH][YH][S]M3"

+---------------------------------------------------
+  Commands output at toolchange
+---------------------------------------------------

begin TOOLCHANGE

"[N]M6T[T]"
"[N][S]M03"

+---------------------------------------------------
+  Commands output for rapid moves 
+---------------------------------------------------

begin RAPID_MOVE

"G0[X][Y][Z]"


+---------------------------------------------------
+  Commands output for the first feed rate move
+---------------------------------------------------

begin FIRST_FEED_MOVE

"G1[X][Y][Z][F]"


+---------------------------------------------------
+  Commands output for feed rate moves
+---------------------------------------------------

begin FEED_MOVE

"G1[X][Y][Z]"

+---------------------------------------------------
+  Commands output for the first clockwise arc move
+---------------------------------------------------

begin FIRST_CW_ARC_MOVE

"G2[X][Y][I][J][F]"


+---------------------------------------------------
+  Commands output for clockwise arc  move
+---------------------------------------------------

begin CW_ARC_MOVE

"G2[X][Y][I][J]"


+---------------------------------------------------
+  Commands output for the first counterclockwise arc move
+---------------------------------------------------

begin FIRST_CCW_ARC_MOVE

"G3[X][Y][I][J][F]"


+---------------------------------------------------
+  Commands output for counterclockwise arc  move
+---------------------------------------------------

begin CCW_ARC_MOVE

"G3[X][Y][I][J]"


+---------------------------------------------------
+  Commands output for a new segment - toolpath
+  with same toolnumber but maybe different feedrates
+---------------------------------------------------

begin NEW_SEGMENT

"[S]M03"
+---------------------------------------------------
+  Commands output at the end of the file
+---------------------------------------------------

begin FOOTER

"G0[ZH]"
"G0[XH][YH]"
"M2"
"%"