AcViewportScale
acVp1_1 = 2
acVp1_10 = 7
acVp1_100 = 13
acVp1_128in_1ft = 19
acVp1_16 = 8
acVp1_16in_1ft = 22
acVp1_2 = 3
acVp1_20 = 9
acVp1_2in_1ft = 28
acVp1_30 = 10
acVp1_32in_1ft = 21
acVp1_4 = 4
acVp1_40 = 11
acVp1_4in_1ft = 26
acVp1_5 = 5
acVp1_50 = 12
acVp1_64in_1ft = 20
acVp1_8 = 6
acVp1_8in_1ft = 24
acVp10_1 = 17
acVp100_1 = 18
acVp1and1_2in_1ft = 31
acVp1ft_1ft = 34
acVp1in_1ft = 30
acVp2_1 = 14
acVp3_16in_1ft = 25
acVp3_32in_1ft = 23
acVp3_4in_1ft = 29
acVp3_8in_1ft = 27
acVp3in_1ft = 32
acVp4_1 = 15
acVp6in_1ft = 33
acVp8_1 = 16
acVpCustomScale = 1
acVpScaleToFit = 0