I measured a circle with actual X of -.0003 and Y of .0007. I asked PCDMIS for the position of this feature, it comes up with an X of -.0052 and a Y of .0065.
Shut down the CMM and the computer, re-booted and re-checked; same results.
A_BC =ALIGNMENT/START,RECALL:A1,LIST=YES
ALIGNMENT/LEVEL,ZPLUS,PLN_B_
ALIGNMENT/TRANS,ZAXIS,PLN_B_
ALIGNMENT/TRANS,XAXIS,CYL_C_
ALIGNMENT/TRANS,YAXIS,CYL_C_
ALIGNMENT/ROTATE,YPLUS,TO,LIN1,ABOUT,ZPLUS
ALIGNMENT/END
CIR2 =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,IN,LEAST_SQR
THEO/<0,0,-0.7325>,<0,0,1>,0.9545
ACTL/<-0.0003,0.0007,-0.7325>,<0,0,1>,0.9546
TARG/<0,0,-0.7325>,<0,0,1>
START ANG=0,END ANG=360
ANGLE VEC=<1,0,0>
DIRECTION=CCW
SHOW FEATURE PARAMETERS=NO
SHOW CONTACT PARAMETERS=YES
NUMHITS=7,DEPTH=0,PITCH=0.05
SAMPLE METHOD=SAMPLE_HITS
SAMPLE HITS=0,SPACER=0
AVOIDANCE MOVE=NO,DISTANCE=0.3937
FIND HOLE=DISABLED,ONERROR=NO,READ POS=NO
SHOW HITS=YES
HIT/BASIC,<0.4773,0,-0.7325>,<-1,0,0>,<0.477,0,-0.7327>
HIT/BASIC,<0.2976,0.3731,-0.7254>,<-0.6234898,-0.7818315,0>,<0.2975,0.3735,-0.7255>
HIT/BASIC,<-0.1062,0.4653,-0.7182>,<0.2225209,-0.9749279,0>,<-0.106,0.4659,-0.7184>
HIT/BASIC,<-0.43,0.2071,-0.7111>,<0.9009689,-0.4338837,0>,<-0.4311,0.2076,-0.7112>
HIT/BASIC,<-0.43,-0.2071,-0.7039>,<0.9009689,0.4338837,0>,<-0.4296,-0.2069,-0.7041>
HIT/BASIC,<-0.1062,-0.4653,-0.6968>,<0.2225209,0.9749279,0>,<-0.1059,-0.4649,-0.697>
HIT/BASIC,<0.2976,-0.3731,-0.6896>,<-0.6234898,0.7818315,0>,<0.2968,-0.3729,-0.6898>
ENDMEAS/
COMMENT/REPT,
# 87 & 89
DIM LOC1= POSITION OF CIRCLE CIR2 UNITS=IN ,$
GRAPH=OFF TEXT=OFF MULT=10.00 OUTPUT=BOTH FIT TO DATUMS=OFF DEV PERPEN CENTERLINE=OFF DISPLAY=DIAMETER
AX NOMINAL +TOL -TOL BONUS MEAS DEV OUTTOL
X 0.0000 -0.0052 -0.0052
Y 0.0000 0.0065 0.0065
DF 0.9545 0.0015 0.0015 0.9546 0.0001 0.0000 ----#----
D1 0.6140 0.0008 0.0008 0.0008 0.6140 CYLINDER CYL_C_ AT MMC
TP RFS 0.0020 0.0008 0.0166 0.0166 0.0138 -------->
END OF DIMENSION LOC1
B & S Global, PC-DMIS 2016 Service Pack 10
Thank you for your help
