# grating orientation relative to orioff (deg) d.ori = range(0, 360, 45) # grating x position relative to origin (deg) d.xposDeg = 0 # grating y position relative to origin (deg) d.yposDeg = 0 # mask diameter (deg), ignored if mask is None d.diameterDeg = 10 # spatial frequency (cycles/deg) d.sfreqCycDeg = [0.1,0.2] # temporal frequency (cycles/sec) d.tfreqCycSec = [1,2,3] # grating phase to begin each sweep with (+/- deg) d.phase0 = 0 # mean luminance (0-1) d.ml = 0.5 # contrast (0-1), >> 1 get square grating, < 0 get contrast reversal d.contrast = 1.5 # background brightness (0-1) d.bgbrightness = 0.5 # sweep duration (sec) d.sweepSec = 5 # post-sweep duration to display blank screen (sec) d.postsweepSec = 0 # reverse the contrast? d.contrastreverse = False # contrast reverse freq? d.cfreqCycSec = 2 #=============================================================================== # Variables determine the sweep table
