def runTrialState(state_code, trial, myWin, io, all_stim):
# Init time related DVs for trial to 0
trial['DV_%s_START'%(state_code)] = 0
trial['DV_%s_VIS_ONSET'%(state_code)] = 0.0
trial['DV_%s_SND_ONSET'%(state_code)] = 0
trial['DV_%s_END'%(state_code)] = 0.0
state_screen = trial['%s_VIS'%(state_code)]
if state_screen:
state_screen=u''+str(state_screen).lower().strip()
if state_screen == '.':
state_screen = None
graphics_pos = trial['%s_VPOS'%(state_code)]
if graphics_pos:
if graphics_pos == '.':
graphics_pos = [0,0]
if isinstance(graphics_pos, (list, tuple)):
# reset it to a str for storage in hdf5 file
trial['%s_VPOS'%(state_code)]=str(graphics_pos)
else:
graphics_pos = [0,0]
state_audio = trial['%s_SND'%(state_code)]
if state_audio:
state_audio=u''+str(state_audio).strip()
if state_audio == '.':
state_audio = None
state_end_trig = StateTrigger.create(state_code,trial, all_stim['triggers'])
show_pen = draw_pen_pos = draw_pen_trace = trial['%s_SHOWPEN'%(state_code)]
if show_pen:
draw_pen_pos = show_pen.upper().find('P')>=0
draw_pen_trace = show_pen.upper().find('T')>=0
clear_existing_traces = show_pen.upper().find('C')>=0
possible_state_stim = all_stim['trial']['%s'%(state_code)]
actual_state_stim = []
if state_screen:
if isImageFileCandidate(state_screen):
img_stim = possible_state_stim['image']
img_stim.image = getImageFilePath(state_screen)
img_stim.pos = graphics_pos
actual_state_stim.append(img_stim)
else:
txt_stim = possible_state_stim['text']
txt_stim.text = state_screen
txt_stim.pos = graphics_pos
actual_state_stim.append(txt_stim)
if state_audio:
if state_audio.lower().endswith('.wav'):
possible_state_stim['sound'].setFile(getAudioFilePath(state_audio))
else:
# TODO: Write warning to log file that .wav audio is only supported
state_audio = None
if clear_existing_traces:
all_stim['pen']['traces'].clear()
# Display any state graphics and play any associated audio file
if actual_state_stim:
for stim in actual_state_stim:
stim.draw()
if state_audio:
possible_state_stim['sound'].start()
# If state has a visual stim, use it's flip time to equal the states
# start time.
if actual_state_stim:
if draw_pen_trace:
all_stim['pen']['traces'].draw()
trial['DV_%s_START'%(state_code)] = trial['DV_%s_VIS_ONSET'%(state_code)] = myWin.flip()
if state_audio:
while not possible_state_stim['sound'].starttime:
time.sleep(0.001)
trial['DV_%s_SND_ONSET'%(state_code)] = possible_state_stim['sound'].starttime
if trial['DV_%s_START'%(state_code)] == 0:
# If state has an audio stim, but did not have a visual stim,
# use the audio stim onset time to equal the states start time.
trial['DV_%s_START'%(state_code)] = trial['DV_%s_SND_ONSET'%(state_code)]
# If state had no audio and no visual stim, then use
# current time as the states start time.
if trial['DV_%s_START'%(state_code)] == 0:
trial['DV_%s_START'%(state_code)] = core.getTime()
io.clearEvents()
state_end_trig.reset()
# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
# Maintain current state for [state_code]_DUR seconds, or until
# audio_stim has completed playing, whichever comes last.
sample_evts=[]
while (state_audio and possible_state_stim['sound'].status == PLAYING) or \
state_end_trig.fired(sample_evts) is False:
# Redraw display and flip
for stim in actual_state_stim:
stim.draw()
if draw_pen_pos or draw_pen_trace:
sample_evts = tablet.getSamples()
if draw_pen_trace:
# Redraw stim based on tablet events
all_stim['pen']['traces'].updateFromEvents(sample_evts)
all_stim['pen']['traces'].draw()
if draw_pen_pos and sample_evts:
last_evt = sample_evts[-1]
all_stim['pen']['pos'].updateFromEvent(last_evt)
all_stim['pen']['pos'].draw()
flip_time=myWin.flip()
if terminateExperimentKeyPressed(keyboard):
if state_audio:
possible_state_stim['sound'].closeFile()
return False
if state_audio:
possible_state_stim['sound'].closeFile()
trial['DV_%s_END'%(state_code)] = core.getTime()
def runTrialState(state_code, trial, myWin, io, all_stim):
# Init time related DVs for trial to 0
trial['DV_%s_START'%(state_code)] = 0
trial['DV_%s_VIS_ONSET'%(state_code)] = 0.0
trial['DV_%s_SND_ONSET'%(state_code)] = 0
trial['DV_%s_END'%(state_code)] = 0.0
state_screen = trial['%s_VIS'%(state_code)]
if state_screen:
state_screen=u''+str(state_screen).lower().strip()
if state_screen == '.':
state_screen = None
graphics_pos = trial['%s_VPOS'%(state_code)]
if graphics_pos:
if graphics_pos == '.':
graphics_pos = [0,0]
if isinstance(graphics_pos, (list, tuple)):
# reset it to a str for storage in hdf5 file
trial['%s_VPOS'%(state_code)]=str(graphics_pos)
else:
graphics_pos = [0,0]
state_audio = trial['%s_SND'%(state_code)]
if state_audio:
state_audio=u''+str(state_audio).strip()
if state_audio == '.':
state_audio = None
state_end_trig = StateTrigger.create(state_code,trial, all_stim['triggers'])
show_pen = draw_pen_pos = draw_pen_trace = trial['%s_SHOWPEN'%(state_code)]
if show_pen:
draw_pen_pos = show_pen.upper().find('P')>=0
draw_pen_trace = show_pen.upper().find('T')>=0
clear_existing_traces = show_pen.upper().find('C')>=0
possible_state_stim = all_stim['trial']['%s'%(state_code)]
actual_state_stim = []
if state_screen:
if isImageFileCandidate(state_screen):
img_stim = possible_state_stim['image']
img_stim.image = getImageFilePath(state_screen)
img_stim.pos = graphics_pos
actual_state_stim.append(img_stim)
else:
txt_stim = possible_state_stim['text']
txt_stim.text = state_screen
txt_stim.pos = graphics_pos
actual_state_stim.append(txt_stim)
if state_audio:
if state_audio.lower().endswith('.wav'):
possible_state_stim['sound'].setFile(getAudioFilePath(state_audio))
else:
# TODO: Write warning to log file that .wav audio is only supported
state_audio = None
if clear_existing_traces:
all_stim['pen']['traces'].clear()
# Display any state graphics and play any associated audio file
if actual_state_stim:
for stim in actual_state_stim:
stim.draw()
if state_audio:
possible_state_stim['sound'].start()
# If state has a visual stim, use it's flip time to equal the states
# start time.
if actual_state_stim:
if draw_pen_trace:
all_stim['pen']['traces'].draw()
trial['DV_%s_START'%(state_code)] = trial['DV_%s_VIS_ONSET'%(state_code)] = myWin.flip()
if state_audio:
while not possible_state_stim['sound'].starttime:
time.sleep(0.001)
trial['DV_%s_SND_ONSET'%(state_code)] = possible_state_stim['sound'].starttime
if trial['DV_%s_START'%(state_code)] == 0:
# If state has an audio stim, but did not have a visual stim,
# use the audio stim onset time to equal the states start time.
trial['DV_%s_START'%(state_code)] = trial['DV_%s_SND_ONSET'%(state_code)]
# If state had no audio and no visual stim, then use
# current time as the states start time.
if trial['DV_%s_START'%(state_code)] == 0:
trial['DV_%s_START'%(state_code)] = core.getTime()
io.clearEvents()
state_end_trig.reset()
# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
# Maintain current state for [state_code]_DUR seconds, or until
# audio_stim has completed playing, whichever comes last.
sample_evts=[]
key_evts_keys=[]
while (state_audio and possible_state_stim['sound'].status == PLAYING) or \
state_end_trig.fired(samples = sample_evts, keys = key_evts_keys) is False:
# Redraw display and flip
for stim in actual_state_stim:
stim.draw()
if draw_pen_pos or draw_pen_trace:
sample_evts = tablet.getSamples()
if draw_pen_trace:
# Redraw stim based on tablet events
all_stim['pen']['traces'].updateFromEvents(sample_evts)
all_stim['pen']['traces'].draw()
if draw_pen_pos and sample_evts:
last_evt = sample_evts[-1]
all_stim['pen']['pos'].updateFromEvent(last_evt)
all_stim['pen']['pos'].draw()
flip_time=myWin.flip()
if terminateExperimentKeyPressed(keyboard):
if state_audio:
possible_state_stim['sound'].closeFile()
return False
key_evts_keys = [k.key for k in keyboard.getPresses()]
if state_audio:
possible_state_stim['sound'].closeFile()
trial['DV_%s_END'%(state_code)] = core.getTime()
def runPracticePeriod(window,
io,
pen_pos_stim=None,
pen_traces_stim=None,
audio_file = None,
screen_stim = None,
timeout= 30.0,
exit_keys = (u' ', u'q', u'escape'),
exit_stim = None):
"""
Performs the practice period at the start of an experiment.
:param window:
:param io:
:param pen_pos_stim:
:param pen_traces_stim:
:param audio_file:
:param screen_stim:
:param timeout:
:param exit_keys:
:param exit_stim:
:return:
"""
tablet = io.devices.tablet
keyboard = io.devices.keyboard
sound = None
if audio_file:
if getAudioFilePath(audio_file):
sound = PlaySound(filename=getAudioFilePath(audio_file))
else:
print("WARNING: PracticePeriod: Audio file not found: {}".format(getAudioFilePath(audio_file)))
if screen_stim:
for s in screen_stim.values():
s.draw()
if sound:
sound.start()
practice_start_time = window.flip()
io.sendMessageEvent(text="PRACTICE_STARTED", sec_time=practice_start_time)
if sound:
while sound.starttime is None:
time.sleep(0.001)
io.sendMessageEvent(text="PRACTICE_AUDIO_ONSET", sec_time=sound.starttime)
lps = None
io.clearEvents()
# start tablet events
tablet.reporting = True
region_pressed = False
while not region_pressed or (sound and sound.status == PLAYING):
if exit_keys:
keys_pressed = [ke.key for ke in keyboard.getPresses()]
if list(set(exit_keys) & set(keys_pressed)):
break
if timeout and core.getTime() - practice_start_time >= timeout:
break
if screen_stim:
for s in screen_stim.values():
s.draw()
# Redraw stim based on tablet events
tab_samples = tablet.getSamples()
if pen_traces_stim:
pen_traces_stim.updateFromEvents(tab_samples)
if tab_samples:
lps = tab_samples[-1]
if (not sound or sound.status != PLAYING) and \
exit_stim and not region_pressed and \
exit_stim.contains(*lps.getNormPos()) and lps.pressure > 0:
# End practice because pen was pressed on exit button image.
region_pressed = True
io.sendMessageEvent(text="REGION_TRIGGER: x:{}, y:{}".format(lps.x, lps.y), sec_time=lps.time)
if pen_pos_stim and lps:
pen_pos_stim.updateFromEvent(lps)
else:
lps = None
if pen_traces_stim:
pen_traces_stim.draw()
if pen_pos_stim and lps:
pen_pos_stim.draw()
flip_time = window.flip()
if pen_pos_stim and lps:
io.sendMessageEvent(text="PEN_STIM_CHANGE: x:{}, "
"y:{}, z:{}, pressure:{}, "
"tilt:{}".format(lps.x, lps.y, lps.z,
lps.pressure, lps.tilt),
sec_time=flip_time)
# >>> end of practice period <<<<
# stop tablet events
tablet.reporting = False
if sound:
io.sendMessageEvent(text="PRACTICE_AUDIO_COMPLETE", sec_time=sound.endtime)
# clear the screen
flip_time = window.flip()
io.sendMessageEvent(text="PRACTICE_COMPLETE", sec_time=flip_time)
if sound:
sound.closeFile()
sound = None
if pen_traces_stim:
pen_traces_stim.clear()
def runPracticePeriod(window,
io,
pen_pos_stim=None,
pen_traces_stim=None,
audio_file = None,
screen_stim = None,
timeout= 30.0,
exit_keys = (u' ', u'q', u'escape'),
exit_stim = None):
"""
Performs the practice period at the start of an experiment.
:param window:
:param io:
:param pen_pos_stim:
:param pen_traces_stim:
:param audio_file:
:param screen_stim:
:param timeout:
:param exit_keys:
:param exit_stim:
:return:
"""
tablet = io.devices.tablet
keyboard = io.devices.keyboard
sound = None
if audio_file:
if getAudioFilePath(audio_file):
sound = PlaySound(filename=getAudioFilePath(audio_file))
else:
print("WARNING: PracticePeriod: Audio file not found: {}".format(getAudioFilePath(audio_file)))
if screen_stim:
for s in screen_stim.values():
s.draw()
if sound:
sound.start()
practice_start_time = window.flip()
io.sendMessageEvent(text="PRACTICE_STARTED", sec_time=practice_start_time)
if sound:
while sound.starttime is None:
time.sleep(0.001)
io.sendMessageEvent(text="PRACTICE_AUDIO_ONSET", sec_time=sound.starttime)
lps = None
io.clearEvents()
# start tablet events
tablet.reporting = True
region_pressed = False
while not region_pressed or (sound and sound.status == PLAYING):
if exit_keys:
keys_pressed = [ke.key for ke in keyboard.getPresses()]
if list(set(exit_keys) & set(keys_pressed)):
break
if timeout and core.getTime() - practice_start_time >= timeout:
break
if screen_stim:
for s in screen_stim.values():
s.draw()
# Redraw stim based on tablet events
tab_samples = tablet.getSamples()
if pen_traces_stim:
pen_traces_stim.updateFromEvents(tab_samples)
if tab_samples:
lps = tab_samples[-1]
if (not sound or sound.status != PLAYING) and \
exit_stim and not region_pressed and \
exit_stim.contains(*lps.getNormPos()) and lps.pressure > 0:
# End practice because pen was pressed on exit button image.
region_pressed = True
io.sendMessageEvent(text="REGION_TRIGGER: x:{}, y:{}".format(lps.x, lps.y), sec_time=lps.time)
if pen_pos_stim and lps:
pen_pos_stim.updateFromEvent(lps)
else:
lps = None
if pen_traces_stim:
pen_traces_stim.draw()
if pen_pos_stim and lps:
pen_pos_stim.draw()
flip_time = window.flip()
if pen_pos_stim and lps:
io.sendMessageEvent(text="PEN_STIM_CHANGE: x:{}, "
"y:{}, z:{}, pressure:{}, "
"tilt:{}".format(lps.x, lps.y, lps.z,
lps.pressure, lps.tilt),
sec_time=flip_time)
# >>> end of practice period <<<<
# stop tablet events
tablet.reporting = False
if sound:
io.sendMessageEvent(text="PRACTICE_AUDIO_COMPLETE", sec_time=sound.endtime)
# clear the screen
flip_time = window.flip()
io.sendMessageEvent(text="PRACTICE_COMPLETE", sec_time=flip_time)
if sound:
sound.closeFile()
sound = None
if pen_traces_stim:
pen_traces_stim.clear()
