def main(sbj, blk):
#~ observer_id = raw_input ('Please write the subject\'s initials: ')
#~ os.path.isfile(observer_id*)
### HRL Parameters ###
# Here we define all the paremeters required to instantiate an HRL object.
# Which devices we wish to use in this experiment. See the
# pydoc documentation for a list of # options.
graphics='datapixx' # 'datapixx' is another option
inputs='responsepixx' # 'responsepixx' is another option
photometer=None
scrn = 1
# Screen size
wdth = 1024
hght = 768
# Whether or not to use fullscreen. You probably want to do this when
# actually running experiments, but when just developing one, fullscreen
# locks out access to the rest of the computer, so you'll probably want to
# turn this off.
fs = True
# Design and result matrix information. This allows us the to use the HRL
# functionality for automatically reading a design matrix, and
# automatically generating a result matrix. See 'pydoc hrl.hrl' for more
# information about these.
# Design and Result matrix files names
#~ designFname =
#~ dfl = '../design/' + designFname + '.csv'
#~ dfl = '../design/%s_design.csv' %(observer_id)
#~ rfl = '../results/%s_results.csv' %(observer_id)
if blk == 0:
dfl = '../design/2afc_design_Dark_' + sbj + '.csv'
rfl = '../results/2afc_results_Dark_' + sbj + '.csv'
if blk == 1:
dfl = '../design/2afc_design_Light_' + sbj + '.csv'
rfl = '../results/2afc_results_Light_' + sbj + '.csv'
# The names of the fields in the results matrix. In each loop of the
# script, we write another line of values to results.csv under these
# headings.
rhds = ['Trial', 'LumTarget', 'LumMatch', 'LT-LM', 'LumComp', '%deviance', 'Choice', 'RT']
# Pass this to HRL if we want to use gamma correction.
lut = '../stimuli/lut.csv'
# Create the hrl object with the above fields. All the default argument names are
# given just for illustration.
hrl = HRL(graphics=graphics,
inputs=inputs,
photometer=photometer,
wdth=wdth,
hght=hght,
bg=0,
dfl=dfl,
rfl=rfl,
rhds=rhds,
fs=fs,
scrn=scrn,
lut=lut )
# hrl.results is a dictionary which is automatically created by hrl when
# give a list of result fields. This can be used to easily write lines to
# the result file, as will be seen later.
hrl.results['Trial'] = 0
btn = None
t = 0
escp = False
#instruction screen
frmInst = hrl.graphics.newTexture(np.array([[1]]))
frmInst.draw((0,0), (wdth,hght))
hrl.graphics.flip(clr=True)
while ((btn != 'Space') & (escp != True)):
(btn,t1) = hrl.inputs.readButton()
if btn == 'Escape':
escp = True
raise Exception('experiment terminated by the subject')
### Experiment setup ###
# texture creation in buffer : stimulus I DO NOT NEED A BUFFERED IMAGE TO DRAW ON
### Core Loop ###
# hrl.designs is an iterator over all the lines in the specified design
# matrix, which was loaded at the creation of the hrl object. Looping over
# it in a for statement provides a nice way to run each line in a design
# matrix. The fields of each design line (dsgn) are drawn from the design
# matrix in the design file (design.csv).
for dsgn in hrl.designs:
# Here we save the values of the design line with appropriately cast
# types and simple names.
LumS = float(dsgn['Lum_S'])
LumCD = float(dsgn['Lum_CD'])
LumCL = float(dsgn['Lum_CL'])
if blk == 1:
img_fname = '../stimuli/' + sbj +'/lS%d_CD%d_CL%d' %(int(LumS), int(LumCD), int(LumCL))
if blk == 0:
img_fname = '../stimuli/' +sbj + '/dS%d_CD%d_CDD%d' %(int(LumS), int(LumCD), int(LumCL))
#~ curr_image = image_to_array(img_fname)
curr_image2 = image_to_array(img_fname)
curr_image = normalize_image2(curr_image2, 0, 1)
# prestimulus fixation
frmFix = hrl.graphics.newTexture(np.array([[float(120.0/255.0)]]))
frmFix.draw((0,0), (wdth,hght))
hrl.graphics.flip(clr=False)
time.sleep(0.5)
# And finally we preload some variables to prepare for our button
# reading loop.
# stimulus presentation
#~ frm1 = hrl.graphics.newTexture(curr_image)
frm1 = hrl.graphics.newTexture(curr_image)
frm1.draw((0,0),(wdth,hght))
hrl.graphics.flip(clr=True)
time.sleep(0.25)
#~ time.sleep(1.0)
# response fixation
frmFix.draw((0,0), (wdth,hght))
if hrl.results['Trial'] > 99:
nte2 = hrl.results['Trial'] / 100
nte1 = hrl.results['Trial'] / 10 - nte2*10
nte0 = hrl.results['Trial'] %10
fileN = 'testingImg_%d' %(nte1)
fileN2 = 'testingImg_%d' %(nte0)
fileN3 = 'testingImg_%d' %(nte2)
nT = normalize_image2(image_to_array(fileN),0,1)
nT2 = normalize_image2(image_to_array(fileN2),0,1)
nT3 = normalize_image2(image_to_array(fileN3),0,1)
hrl.graphics.newTexture(nT).draw((25,0), (20,28))
hrl.graphics.newTexture(nT2).draw((50,0), (20,28))
hrl.graphics.newTexture(nT3).draw((5,0), (20,28))
hrl.graphics.flip(clr=True)
elif hrl.results['Trial'] > 9:
nte1 = hrl.results['Trial'] / 10
nte0 = hrl.results['Trial'] %10
fileN = 'testingImg_%d' %(nte1)
filen2 = 'testingImg_%d' %(nte0)
nT = normalize_image2(image_to_array(fileN),0,1)
nT2 = normalize_image2(image_to_array(filen2),0,1)
hrl.graphics.newTexture(nT).draw((5,0), (20,28))
hrl.graphics.newTexture(nT2).draw((25,0), (20,28))
hrl.graphics.flip(clr=True)
else:
fileN = 'testingImg_%d' %(hrl.results['Trial'])
nT = normalize_image2(image_to_array(fileN), 0, 1)
hrl.graphics.newTexture(nT).draw((5,0), (20,28))
hrl.graphics.flip(clr=True)
### Input Loop ####
# Until the user finalizes their luminance choice for the central
# circle, or pressed escape...
# The button pressed
btn = None
# The time it took to decide on which pair is more different
t = 0
# Whether escape was pressed
escp = False
while ((btn != 'Space') & (escp != True)):
# Read the next button press
(btn,t1) = hrl.inputs.readButton()
# Add the time it took to press to the decision time
t += t1
# Respond to the pressed button
if blk == 0:
if btn == 'Left': # if CDD-CD-S, then Left = CDD-CD looks more similar
# if CD-S-CL , then Left = CD- S looks more similar
hrl.results['Trial'] += 1
hrl.results['LumTarget'] = LumS
hrl.results['LumMatch'] = LumCD
hrl.results['LT-LM'] = LumS-LumCD
hrl.results['LumComp'] = LumCL
hrl.results['%deviance'] = np.round(((LumCL-LumCD)/LumCD)*100, 0)
hrl.results['Choice'] = 0
hrl.results['RT'] = t
hrl.writeResultLine()
break
elif btn == 'Right': # if CDD-CD-S, then Right = CD-S looks more similar
# if CD-S-CL , then Right = S- CL looks more similar
hrl.results['Trial'] += 1
hrl.results['LumTarget'] = LumS
hrl.results['LumMatch'] = LumCD
hrl.results['LT-LM'] = LumS-LumCD
hrl.results['LumComp'] = LumCL
hrl.results['Choice'] = 1
hrl.results['%deviance'] = np.round(((LumCL-LumCD)/LumCD)*100, 0)
hrl.results['RT'] = t
hrl.writeResultLine()
break
elif btn == 'Escape':
escp = True
break
if blk == 1:
if btn == 'Down': # if CDD-CD-S, then Left = CDD-CD looks more similar
# if CD-S-CL , then Left = CD- S looks more similar
hrl.results['Trial'] += 1
hrl.results['LumTarget'] = LumS
hrl.results['LumMatch'] = LumCD
hrl.results['LT-LM'] = LumS-LumCD
hrl.results['LumComp'] = LumCL
hrl.results['%deviance'] = np.round(((LumCL-LumCD)/LumCD)*100, 0)
hrl.results['Choice'] = 0
hrl.results['RT'] = t
hrl.writeResultLine()
break
elif btn == 'Up': # if CDD-CD-S, then Right = CD-S looks more similar
# if CD-S-CL , then Right = S- CL looks more similar
hrl.results['Trial'] += 1
hrl.results['LumTarget'] = LumS
hrl.results['LumMatch'] = LumCD
hrl.results['LT-LM'] = LumS-LumCD
hrl.results['LumComp'] = LumCL
hrl.results['Choice'] = 1
hrl.results['%deviance'] = np.round(((LumCL-LumCD)/LumCD)*100, 0)
hrl.results['RT'] = t
hrl.writeResultLine()
break
elif btn == 'Escape':
escp = True
break
# We print the trial number simply to keep track during an experiment
print hrl.results['Trial']
# If escape has been pressed we break out of the core loop
if escp:
print "Session cancelled"
break
# And the experiment is over!
hrl.close()
print "session complete"
def main(sbj):
### Argument Parser ###
# Here we define all the paremeters required to instantiate an HRL object.
# Which devices we wish to use in this experiment. See the
# pydoc documentation for a list of # options.
graphics = "datapixx" # 'datapixx' is another option
inputs = "responsepixx" # 'responsepixx' is another option
scrn = 1
photometer = None
# Screen size
wdth = 1024
hght = 768
# Whether or not to use fullscreen. You probably want to do this when
# actually running experiments, but when just developing one, fullscreen
# locks out access to the rest of the computer, so you'll probably want to
# turn this off.
fs = True
# Pass this to HRL if we want to use gamma correction.
lut = "../lut.csv"
# Design and result matrix information. This allows us the to use the HRL
# functionality for automatically reading a design matrix, and
# automatically generating a result matrix. See 'pydoc hrl.hrl' for more
# information about these.
dfl = "../design/kl/test_design_kl_1.csv"
# ~ rfl = '../results/base/test_results_onDark_' + subject + '.csv'
# ~ rhds = ['Trial', 'target', 'LumT', 'LumM_start', 'LumM_end', 'RT']
hrl = HRL(
graphics=graphics, inputs=inputs, photometer=photometer, scrn=scrn, wdth=wdth, hght=hght, bg=0, dfl=dfl, fs=fs
)
unify_localLum(1)
curr_image2 = image_to_array("../renTemplate")
curr_image = normalize_image2(curr_image2, 0, 1)
for dsgn in hrl.designs:
LumS = float(dsgn["Lum_S"])
LumCD = float(dsgn["Lum_CD"])
LumCL = float(dsgn["Lum_CL"])
# ~ nte1 = hrl.results['Trial'] / 10
# ~ nte0 = hrl.results['Trial'] %10
# ~ fileN = 'testingImg_%d' %(nte1)
# ~ filen2 = 'testingImg_%d' %(nte0)
# ~ nT = normalize_image2(image_to_array(fileN),0,1)
# ~ nT2 = normalize_image2(image_to_array(filen2),0,1)
# ~ hrl.graphics.newTexture(nT).draw((5,0), (20,28))
# ~ hrl.graphics.newTexture(nT2).draw((25,0), (20,28))
# ~ img_fname = '../stimuli/' + sbj +'/klS%d_CD%d_CL%d' %(int(LumS), int(LumCD), int(LumCL))
# ~ curr_image = image_to_array(img_fname)
# ~ curr_image2 = image_to_array(img_fname)
# ~ curr_image = normalize_image2(curr_image2, 0, 1)
# And finally we preload some variables to prepare for our button
# reading loop.
btn = None
# The time it took to decide on the mean luminance
t = 0.0
# Whether escape was pressed
escp = False
while (btn != "Space") & (escp != True):
(btn, t1) = hrl.inputs.readButton()
frm1 = hrl.graphics.newTexture(curr_image)
frm1.draw((0, 0), (wdth, hght))
hrl.graphics.flip(clr=True)
if btn == "Escape":
escp = True
break
if escp:
print "Session cancelled"
break
print LumS, " ", LumCD, " ", LumCL
