I did. I was given the MP post documentation and told that post editing is outside the scope of their expertise. 

Hi all. I am trying to set up a post to add a trunnion with B and C axes to a 3 axis mill. I have gotten the correct outputs for the rotational axes but have run into some trouble getting the offsets configured correctly. The chuck face is 7 inches above B-axis center of rotation but setting saxisz to 7.0 is giving me an offset in Y instead of -X. Any Idea why this might be happening?

# --------------------------------------------------------------------------
# 5 Axis Rotary Settings
# --------------------------------------------------------------------------
#Assign axis address
str_pri_axis : "C"
str_sec_axis : "B"
str_dum_axis : "A"

#Toolplane mapped to top angle position strings
str_n_a_axis : "A"
str_n_b_axis : "B"
str_n_c_axis : "C"

#Machine rotary routine settings
mtype        : 0     #Machine type (Define base and rotation plane below)
                     #0 = Table/Table
                     #1 = Tilt Head/Table
                     #2 = Head/Head
                     #3 = Nutator Table/Table
                     #4 = Nutator Tilt Head/Table
                     #5 = Nutator Head/Head

head_is_sec  : 1     #Set with mtype 1 and 4 to indicate head is on secondary

#Preferred setup is pri. zero matches sec. zero/direction
#Zero machine and determine the planes perp. to axis rotations
#These plane combinations are valid:
#Primary plane   XY   XZ   YZ
#Secondary or    XZ   XY   XY
#Secondary       YZ   YZ   XZ

#Primary axis angle description (in machine base terms)
#With nutating (mtype 3-5) the nutating axis must be the XY plane
rotaxis1$ = vecx  #Zero
rotdir1$  = -vecy #Direction

#Secondary axis angle description (in machine base terms)
#With nutating (mtype 3-5) the nutating axis and this plane normal
#are aligned to calculate the secondary angle
rotaxis2$ = vecz  #Zero
rotdir2$  = -vecy  #Direction

#NOTE: Use of 'top_map' requires the dealer match the
#      above settings below.  These must match initial settings!!!
p_nut_restore    #Postblock, restores original axis settings
      result = updgbl(rotaxis1$, "vecy") #Zero
      result = updgbl(rotdir1$, "-vecx") #Direction
      result = updgbl(rotaxis2$, "vecz") #Zero
      result = updgbl(rotdir2$, "vecy")  #Direction

#Nutating machine (mtype 3-5) describe the plane that the nutated axis
#lays in,  this is the plane perpendicular to the primary axis and
#secondary axis
nut_ang_pri$ : -45   #Nutating head secondary axis angle from machine Z positive

#Tool length, typically for head/head machine, both set to zero disables
#Applied to the tool length, RA applies this along the tool
drluseclr    : 0     #Use Drill Clearance Plane at start/end -
                     #Read from toolpath parameters
use_tlength  : 0     #Use tool length, read from tool overall length
                     #0=Use 'toollength' var, 1=Mastercam OAL, 2=Prompt
toollength   : 0     #Tool length if not read from overall length
shift_z_pvt  : 0     #Shift Z by tool length, head/head program to pivot (Z axis only)
                     #0=Pivot, 1=Pivot-Z, 2=Tool Tip Programming (without zero length)
                     #Option 2, So we can still take advantage of brk_mv_head feature
add_tl_to_lim : 0    #Add tool length after intersecting limit, always
                     #on if limit from stock
use_g45      : 1     #Use G45 offset with right angle head (RA)
g45_of_add   : 30    #Add this number to tool length no. for G45 offset number

#Axis shift
shft_misc_r  : 0     #Read the axis shifts from the misc. reals
#Part programmed where machine zero location is WCS origin-
#Applied to spindle direction, independent of RA
#Table/Table -
#Offset of tables to secondary axis relative to machine base.
#Tilt Head/Table - Head/Head -
#Part programmed at machine zero location-
#Offset in head based on secondary axis relative to machine base.
#Normally use the tool length for the offset in the tool direction
saxisx       : 0     #The axis offset direction?
saxisy       : 0     #The axis offset direction?
saxisz       : 7.0     #The axis offset direction?

r_intersect  : 1     #Rotary axis intersect on their center of rotations
                     #Determines if the zero point shifts relative to zero
                     #or rotation with axis offset.

#Nutating axis shift, used when calculations are based on mtype 3 or greater
#'top_map' and toolplane tool paths use the axis shifts above, 5 axis use these
n_saxisx     : 0     #The axis offset direction?
n_saxisy     : 0     #The axis offset direction?
n_saxisz     : 0     #The axis offset direction?

n_r_intrsct  : 0     #Rotary axis intersection with nutating (normally zero)

#Force rotary axis reset at toolchange and other options
frc_cinit    : 1
typ3_brk_evn : 0     #Windup limit, use even revolution break position
                     #Primary and/or secondary
brk_mv_head  : 1     #Break the 5 axis moves to remove gouge
brk_max_ang  : 1     #'brk_mv_head' maximum angle move, applied if chordal
                     #calculation angles moves are greater (negative disables)
skp_rdnt_ck  : 0     #Skip 'brk_max_ang' redundant angle check

top_type     : 4     #With 'top_map' select the top toolplane output
                     #0 = Post selects G7 rotation axis
                     #1 to 4, user selected G7 rotation axis
                     #1 = Primary C : Y zero, Secondary A
                     #2 = Primary C : -X zero, Secondary B
                     #3 = Primary C : -Y zero, Secondary A
                     #4 = Primary C : X zero, Secondary B
                     #5 = Custom settings, ptop_type_ax and ptop_type_lim

#Secondary shift (determines position and angle calculation)
#plane correction 90 degree shift case (plus or minus)
#used when secondary plane is defined perp to primary zero
#EX. P - vecx, vecy  S - vecz, vecy
shift_90_s   : -1     #Shift pos.=1, neg.=-1

#Rotary axis limits
adj2sec      : 1     #Attempt to adjust the primary axis from secondary?
                     #Allows primary axis to flip 180 to satisfy secondary
                     #0 = Off
                     #1 = Use method when secondary is out of limit
                     #Use with pri_limtyp = one to keep secondary as controlling
                     #limit when limit tripped
                     #Use with pri_limtyp = two to allow 180 degree reposition

#When the tool repositions, an intersection is made to the limits and the
#tool is driven around the limits to the reposition point as required.
#Z upper limit is used as the safe transition boundary
#Linear limits relative to machine base coordinates / part origin
use_stck_typ : 0     #0=Off, 1=Stock def., 2=Limits
up_x_lin_lim : 250.  #X axis limit in positive direction
up_y_lin_lim : 250.  #Y axis limit in positive direction
up_z_lin_lim : 250.  #Z axis limit in positive direction
lw_x_lin_lim : -250. #X axis limit in negative direction
lw_y_lin_lim : -250. #Y axis limit in negative direction
lw_z_lin_lim : -5.   #Z axis limit in negative direction

clear_stck   : 0.    #Add inc. offset to stock definition for transition boundary
retract_on_rpd : 1   #This control allows retract on rapids too (don't assume rapid is safe)

#Set pri_limtyp and sec_limtyp on following conditions
#0 = Less than 180 degrees
#1 = Equal or greater than 180 degrees and less than 360 degrees
#2 = Soft limit at 0-360 degrees with hard limits slightly beyond
     #Set limhi-limlo to hard limits, inthi-intlo to 360 degrees total
     #limhi-limlo are expected equal amount from inthi-intlo
#3 = Greater than 360 degrees
auto_set_lim : 1     #Set the type from the angle limit settings (ignore these)
pri_limtyp$  : 0
sec_limtyp$  : 0

#Rotary axis travel limits, always in terms of normal angle output
#Set the absolute angles for axis travel on primary
pri_limlo$   : -9999
pri_limhi$   : 9999
#Set intermediate angle, in limits, for post to reposition machine
pri_intlo$   : -9999
pri_inthi$   : 9999

#Set the absolute angles for axis travel on secondary
sec_limlo$   : -120
sec_limhi$   : 120
#Set intermediate angle, in limits, for post to reposition machine
sec_intlo$   : -120
sec_inthi$   : 120

bias_null    : 0     #mi4 and mi5 bias are applied at null toolchanges

use_tool_plane_as_bias : no$  # Use the tool planes's XY orientation as a bias when tool is vertical?
                              # When set to 'yes$' the operations' tool plane will be use to calculate
                              # the primary axis angle.

use_clamp    : 1     #Use the automatic clamp Mcode

#Table/Table spindle axis alignment.  (Typically Z+. Always Z+ with nutating machine types!)
#  Choose the axis that is parallel to the spindle with all rotaries at their zero positions.
spind_align  : 3  #1=(X+), 2=(Y+), 3=(Z+), -1=(X-), -2=(Y-), -3=(Z-)

#Machine base matrix (Base matrix to map positions into)
matb1$       : 1
matb2$       : 0
matb3$       : 0
matb4$       : 0
matb5$       : 1
matb6$       : 0
matb7$       : 0
matb8$       : 0
matb9$       : 1

#Tolerance settings for wind up
p_tol_ang    : 210   #Primary angle move to exceed for direction change
s_tol_ang    : 210   #Secondary angle move to exceed for direction change
d_tol_ang    : 210   #Dummy angle move to exceed for direction change

#pri_limtyp = 1, tolerance to validate tripping limit
#                reset the p_frc_adj_sec flag when back to normal range
#pri_limtyp = 2, angle move >= to trigger reposition on primary and
# angle move >= with rev5 or 180 reposition to validate tripping limit
p_rsoft_tol  : 45

#sec_limtyp = 2, Angle move >= for reposition
s_soft_tol   : 270

adj_lim_trp  : 90    #Angle move in p_pri_rot180 to trip reposition

#pri_limtyp = 3 and sec_limtyp = 3 control values
p_rsoft_tol3 : 90    #Angle move >= with rev5 or 180 reposition

3+2 Test.emcam Test.NC Generic Haas VF-TR_Series 5X Mill.pst