def test_numpyTexture(self):
win = self.win
grating = filters.makeGrating(res=64,
ori=20.0,
cycles=3.0,
phase=0.5,
gratType='sqr',
contr=1.0)
imageStim = visual.ImageStim(win,
image=grating,
size=3 * self.scaleFactor,
interpolate=True)
imageStim.draw()
utils.compareScreenshot('numpyImage_%s.png' % (self.contextName), win)
"{}".format(imageStim) #check that str(xxx) is working
win.flip()
#set lowcontrast using color
imageStim.color = [0.1, 0.1, 0.1]
imageStim.draw()
utils.compareScreenshot('numpyLowContr_%s.png' % (self.contextName),
win)
win.flip()
#now try low contrast using contr
imageStim.color = 1
imageStim.contrast = 0.1 #should have identical effect to color=0.1
imageStim.draw()
utils.compareScreenshot('numpyLowContr_%s.png' % (self.contextName),
win)
win.flip()
def test_numpyTexture(self):
win = self.win
grating = filters.makeGrating(res=64, ori=20.0,
cycles=3.0, phase=0.5,
gratType='sqr', contr=1.0)
imageStim = visual.ImageStim(win, image=grating,
size = 3*self.scaleFactor,
interpolate=True)
imageStim.draw()
utils.compareScreenshot('numpyImage_%s.png' %(self.contextName), win)
str(imageStim) #check that str(xxx) is working
win.flip()
#set lowcontrast using color
imageStim.color = [0.1,0.1,0.1]
imageStim.draw()
utils.compareScreenshot('numpyLowContr_%s.png' %(self.contextName), win)
win.flip()
#now try low contrast using contr
imageStim.color = 1
imageStim.contrast = 0.1#should have identical effect to color=0.1
imageStim.draw()
utils.compareScreenshot('numpyLowContr_%s.png' %(self.contextName), win)
win.flip()
#make clock object and hide mouse clock = core.Clock() mouse = event.Mouse(visible=False) #define colours colorstim = [0, 1, 2] #red,green,blue #define orientation orientstim = [45, 135, 90] #left,right,horizontal #make grating grating = filters.makeGrating(256, cycles=1) texture_red = np.zeros([256, 256, 3]) texture_red[:, :, 0] = grating #r texture_red[:, :, 1] = -1 #g texture_red[:, :, 2] = -1 #b texture_green = np.zeros([256, 256, 3]) texture_green[:, :, 0] = -1 #r texture_green[:, :, 1] = grating #g texture_green[:, :, 2] = -1 #b texture_blue = np.zeros([256, 256, 3]) texture_blue[:, :, 0] = -1 #r texture_blue[:, :, 1] = -1 #g texture_blue[:, :, 2] = grating #b
pixels = 128
win = visual.Window((1024, 768), units='pix', allowGUI=True, bitsMode=None)
visual.TextStim(win, text='building stimuli').draw()
win.flip()
globalClock = core.Clock()
# for luminance modulated noise
noiseMatrix = num.random.randint(0, 2, [pixels, pixels]) # * noiseContrast
noiseMatrix = noiseMatrix * 2.0-1 # into range -1: 1
stimFrames = []; lumGratings=[]
# create the 4 frames of the sequence (luminance and contrast modulated noise in quadrature)
lumGratings.append(filters.makeGrating(pixels, 0, cyclesSpace, phase=0))
stimFrames.append(visual.GratingStim(win, texRes=pixels, mask='circle',
size=pixels * 2, sf=1.0 / pixels, ori=90,
tex= (noiseMatrix * info['lumModNoise'] + lumGratings[0] * info['lumModLum'])
))
lumGratings.append(filters.makeGrating(pixels, 0, cyclesSpace, phase=90) / 2.0 + 0.5)
stimFrames.append(visual.GratingStim(win, texRes=pixels, mask='circle',
size=pixels * 2, sf=1.0/pixels, ori=90,
tex= (noiseMatrix * info['contrastModNoise'] * lumGratings[1])
))
lumGratings.append(filters.makeGrating(pixels, 0, cyclesSpace, phase=180))
stimFrames.append(visual.GratingStim(win, texRes=pixels, mask='circle',
size=pixels * 2, sf=1.0/pixels, ori=90,
tex= (noiseMatrix * info['lumModNoise'] + lumGratings[2] * info['lumModLum'])
))
lumGratings.append(filters.makeGrating(pixels, 0, cyclesSpace, phase=270) / 2.0 + 0.5)
win = visual.Window((1024, 768), units='pix', allowGUI=True, bitsMode=None)
visual.TextStim(win, text='building stimuli').draw()
win.flip()
globalClock = core.Clock()
# for luminance modulated noise
noiseMatrix = num.random.randint(0, 2, [pixels, pixels]) # * noiseContrast
noiseMatrix = noiseMatrix * 2.0 - 1 # into range -1: 1
stimFrames = []
lumGratings = []
# create the 4 frames of the sequence (luminance and contrast modulated noise in quadrature)
lumGratings.append(filters.makeGrating(pixels, 0, cyclesSpace, phase=0))
stimFrames.append(
visual.GratingStim(win,
texRes=pixels,
mask='circle',
size=pixels * 2,
sf=1.0 / pixels,
ori=90,
tex=(noiseMatrix * info['lumModNoise'] +
lumGratings[0] * info['lumModLum'])))
lumGratings.append(
filters.makeGrating(pixels, 0, cyclesSpace, phase=90) / 2.0 + 0.5)
stimFrames.append(
visual.GratingStim(win,
texRes=pixels,
mask='circle',
