cmd=testCpasArcSegl

// Case 1: 
cx=4 cy=4 cr=5 lang=0 rang=53 segl=5,15:6,11:11,8 thresh=10 # \
cpa1=6.05 dcpa1=0.45 cpa2=2.28 dcpa2=1.39                     \
cpa3=2.03 dcpa3=2.7  cpa4=3.17 dcpa4=4.63

// Case 1A: vary the threshold from 10 to 3
cx=4 cy=4 cr=5 lang=0 rang=53 segl=5,15:6,11:11,8 thresh=3 # \
cpa1=2.28 dcpa1=1.39 cpa2=2.03 dcpa2=2.7 

// Case 1B: vary the langle from 0 to 180  (add 15.708 to all dcpa)
cx=4 cy=4 cr=5 lang=180 rang=53 segl=5,15:6,11:11,8 thresh=3 # \
cpa1=2.28 dcpa1=17.1 cpa2=2.03 dcpa2=18.41