def get_subject_name_id():
"""
Get the name (optional) and the initials of the subject
"""
name_input = xpy.io.TextInput("Subject name - optional:", length=40,
message_colour=xpy.misc.constants.C_WHITE)
subj_name = name_input.get()
if subj_name == "":
default_id = ""
else:
name_elems = subj_name.lower().split(" ")
default_id = "".join([e[0] for e in name_elems if len(e) > 0])
id_input = xpy.io.TextInput("Subject ID (initials) - mandatory:", length=10,
message_colour=xpy.misc.constants.C_WHITE)
while True:
subj_id = id_input.get(default_id)
#-- Make sure that the subject ID is acceptable in file names and would make a valid
#-- struct key in Matlab
if re.match("^[A-Za-z_][A-Za-z0-9_]*$", subj_id):
break
ttrk.log_write("Invalid subject ID ({:})".format(subj_id), True)
xpy.io.Keyboard.process_control_keys()
return subj_id, subj_name
def trial_failed_common(err, exp_info, trial):
"""
Called when the trial failed for any reason
(only when a strict error occurred; pointing at an incorrect location does not count as failure)
:type err: ExperimentError
:type exp_info: trajtracker.paradigms.common.BaseExperimentInfo
:type trial: trajtracker.paradigms.common.BaseTrialInfo
"""
ttrk.log_write("ERROR in trial ({:}). Message shown to subject: {:}".format(err.err_code, err.message))
curr_time = u.get_time()
trial.duration = curr_time - trial.start_time
time_in_session = curr_time - exp_info.session_start_time
if not trial.stopped_moving_event_dispatched:
exp_info.event_manager.dispatch_event(FINGER_STOPPED_MOVING, trial.duration, time_in_session)
trial.stopped_moving_event_dispatched = True
exp_info.event_manager.dispatch_event(ttrk.events.TRIAL_FAILED, trial.duration, time_in_session)
exp_info.errmsg_textbox.unload()
exp_info.errmsg_textbox.text = err.message
exp_info.errmsg_textbox.visible = True
exp_info.sound_err.play()
def trial_succeeded_common(exp_info, trial):
"""
Called when the trial succeeded
:type exp_info: trajtracker.paradigms.common.BaseExperimentInfo
:type trial: trajtracker.paradigms.common.BaseTrialInfo
"""
ttrk.log_write("Trial ended successfully")
curr_time = u.get_time()
trial.duration = curr_time - trial.start_time
time_in_session = curr_time - exp_info.session_start_time
exp_info.event_manager.dispatch_event(ttrk.events.TRIAL_SUCCEEDED, trial.duration, time_in_session)
def run_trials(exp_info, run_one_trial_func, trial_info_class):
"""
Default implementation of the experiment
:type exp_info: trajtrackerp.common.BaseExperimentInfo
:param run_one_trial_func: The run_trial() function of the relevant paradigm
:param trial_info_class: The TrialInfo class of the relevant paradigm
"""
init_experiment(exp_info)
trial_num = 1
next_trial_already_initiated = False
while len(exp_info.trials) > 0:
trial_config = exp_info.trials.pop(0)
ttrk.log_write("====================== Starting trial #{:} =====================".format(trial_num))
# noinspection PyUnresolvedReferences
run_trial_rc = run_one_trial_func(exp_info, trial_info_class(trial_num, trial_config, exp_info.config), next_trial_already_initiated)
next_trial_already_initiated = False
if run_trial_rc == RunTrialResult.Aborted:
print(" Trial aborted.")
exp_info.return_unused_trial_to_pool(trial_config)
continue
trial_num += 1
exp_info.exp_data['nTrialsCompleted'] += 1
if run_trial_rc == RunTrialResult.Succeeded:
exp_info.exp_data['nTrialsSucceeded'] += 1
elif run_trial_rc == RunTrialResult.SucceededAndProceed:
exp_info.exp_data['nTrialsSucceeded'] += 1
next_trial_already_initiated = True
elif run_trial_rc == RunTrialResult.Failed:
exp_info.exp_data['nTrialsFailed'] += 1
exp_info.return_unused_trial_to_pool(trial_config)
else:
raise Exception("Invalid result from run_trial(): {:}".format(run_trial_rc))
def update_fixation_for_trial(exp_info, trial):
"""
Update the fixation when the trial is initialized
:type exp_info: trajtracker.paradigms.common.BaseExperimentInfo
:type trial: trajtracker.paradigms.common.BaseTrialInfo
"""
if exp_info.config.fixation_type == 'text':
if 'fixation.text' in trial.csv_data:
exp_info.config.fixation_text = trial.csv_data['fixation.text']
create_textbox_fixation(exp_info)
print(3,exp_info.fixation.text)
if exp_info.fixation.text == '':
ttrk.log_write("WARNING: No fixation text was set for trial #{:}".format(trial.trial_num))
update_attr_by_csv_config(exp_info, trial, exp_info.fixation, 'fixation.position', 'position')
update_obj_position(exp_info, trial, exp_info.fixation, 'fixation', 'x')
update_obj_position(exp_info, trial, exp_info.fixation, 'fixation', 'y')
def _create_textbox_target_impl(exp_info, role):
config = exp_info.config
target = ttrk.stimuli.MultiTextBox()
y, height = exp_info.get_default_target_y()
target.position = (config.text_target_x_coord, y)
target.text_font = config.text_target_font
target.size = (config.text_target_width, int(height))
target.text_colour = config.text_target_colour
target.text_justification = config.text_target_justification
if not (0 < config.text_target_height <= 1):
raise ttrk.ValueError("Invalid config.text_target_height ({:}): value must be between 0 and 1, check out the documentation".format(config.text_target_height))
hsr = u.get_font_height_to_size_ratio(target.text_font)
font_size = int(height / hsr * config.text_target_height)
target.text_size = font_size
ttrk.log_write("{:} font size = {:}, height = {:.1f} pixels".format(role, font_size, font_size*hsr), print_to_console=True)
return target
def create_textbox_fixation(exp_info):
"""
Create a textbox to serve as the fixation.
:param exp_info: The experiment-level objects
:type exp_info: trajtracker.paradigms.num2pos.ExperimentInfo
"""
config = exp_info.config
y, height = exp_info.get_default_target_y()
text = config.fixation_text
print(config.text_target_width, int(height))
fixation = xpy.stimuli.TextBox(
text='' if text is None else text,
size=(config.text_target_width, int(height)),
position=(config.text_target_x_coord, y),
text_font=config.text_target_font,
text_colour=config.text_target_colour,
text_justification=config.text_target_justification
)
hsr = u.get_font_height_to_size_ratio(fixation.text_font)
#font_size = int(height / hsr * config.text_target_height)
#######################################################
font_size=20
###########Make sure this matches the .csv file#######
fixation.text_size = font_size
ttrk.log_write("Fixation font size = {:}, height = {:.1f} pixels".format(font_size, font_size*hsr), print_to_console=True)
fixation.preload()
exp_info.fixation = fixation
def _log_write(self, msg, prepend_self=False, print_to_console=False):
if prepend_self:
msg = type(self).__name__ + "," + msg
ttrk.log_write(msg)