I'm hoping someone help me out here. I'm getting out of the ballpark numbers when I dimension a line parallel to another line. I realize that PCDMIS will check parallelism in 3D regardless of workplane, but the lines are projected to the same plane. When I check parallel to work plane it is correct. Don't have this issue with CMM.
DIM PARL8= PARALLELISM OF LINE LIN4,RFS TO LINE -A-,RFS EXTENDLENGTH=672.0000 UNITS=IN ,$
GRAPH=OFF TEXT=OFF MULT=500.00 OUTPUT=REPORT
AX NOMINAL +TOL -TOL MEAS DEV OUTTOL
M 0.0000 0.0050 0.0000 2.1320 2.1320 2.1270 -------->
DIM ANGL1= 2D ANGLE FROM LINE LIN4 TO LINE -A- ,$
GRAPH=OFF TEXT=OFF MULT=500.00 OUTPUT=REPORT
AX NOMINAL +TOL -TOL MEAS DEV OUTTOL
A 0.0000 0.1000 -0.1000 -0.0098 -0.0098 0.0000 ----#----
WORKPLANE/XPLUS
DIM PARL1= PARALLELISM OF LINE LIN4,RFS TO WORKPLANE XPLUS EXTENDLENGTH=672.0000 UNITS=IN ,$
GRAPH=OFF TEXT=OFF MULT=500.00 OUTPUT=REPORT
AX NOMINAL +TOL -TOL MEAS DEV OUTTOL
M 0.0000 0.0050 0.0000 0.1147 0.1147 0.1097 -------->
What is that extendlength 672 inches part? Also, anytime you construct features such as planes, lines, or circles out of individual points, you should choose bfre (best fit recomp) in order to get the proper line. . . .otherwiise leaving it on auto will introduce more cosine error.