import sys

try:
    import gdspy
except ImportError:
    print('Bad gdspy installation!')
    sys.exit()

print('Loading GDS...')
gds_lib = gdspy.GdsLibrary().read_gds(infile=str(sys.argv[1]), units='import')

# Comment to show layer
hidden=[
        (1, 0),     #well
        (1, 251),   #well lbl
        (2, 0),     #fin
        (3, 0),     #psub
        (3, 251),   #psub lbl
        (7, 0),     #gate
        (8, 0),     #dummy
        (10, 0),    #gate cut
        (11, 0),    #active
        (12, 0),    #nselect
        (13, 0),    #pselect
        (16, 0),    #LIG
        (17, 0),    #LISD
        (18, 0),    #V0
        (19, 0),    #M1
        (19, 251),  #M1 lbl
        (21, 0),    #V1
        #(20, 0),    #M2
        (20, 251),  #M2 lbl
        #(25, 0),    #V2
        #(30, 0),    #M3
        (30, 251),  #M3 lbl
        #(35, 0),    #V3
        #(40, 0),    #M4
        (40, 251),  #M4 lbl
        (45, 0),    #V4
        (50, 0),    #M5
        (50, 251),  #M5 lbl
        (55, 0),    #V5
        (60, 0),    #M6
        (60, 251),  #M6 lbl
        (65, 0),    #V6
        (70, 0),    #M7
        (70, 251),  #M7 lbl
        (75, 0),    #V7
        (80, 0),    #M8
        (80, 251),  #M8 lbl
        (85, 0),    #V8
        (88, 0),    #SDT
        (90, 0),    #M9
        (90, 251),  #M9 lbl
        (95, 0),    #V9
        (96, 0),    #Pad
        (97, 0),    #SLVT
        (98, 0),    #LVT
        (99, 0),    #SRAMDRC
        (100, 0),   #???
        (101, 0),   #???
        (110, 0)    #SRAMVT
        ]

print('Opening layout...')
gdspy.LayoutViewer(gds_lib, hidden_types=hidden, depth=1)