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[solved] Problems collecting mouse clicks

edited December 2014 in OpenSesame

Hi There,

I am using mnouse clicks in a experiment, it is my first time using this function so I am some kind of lost with it.
I am trying to run a version of the corredor ilussion where subjects must click on one of the discs down that is the closest size to the disc presented up. The image looks a bit like this:

image

So I put as valid region to click in just the areas inside the radius of the possible answers (to make it easier i just made an squared area) . The in-line code to record the answer looks like this (where the tuples Pos1 - Pos2 and so on are the coordinates of the alternative discs) :

from openexp.sampler import sampler
from openexp.mouse import mouse

my_mouse = mouse(exp, visible=True) #check for visibility
my_mouse.flush()

while True:
    button, pos, timestamp = my_mouse.get_click(timeout=0)
    if button != None:
        pos_x=(pos[0]-1080)    #transform to psychopy coordinates           
        pos_y=-1*(pos[1]-720)  #transform to psychopy coordinates
        counter_ans=1
        if (pos_x>=(pos1[0]-size1/2) and pos_x<=(pos1[0]+size1/2)) and (pos_y>=(pos1[1]-size1/2) and pos_y<=(pos1[1]+size1/2)):  #ans1
            my_sampler = sampler(exp, exp.get_file(good_ans))
            my_sampler.play()
            chosen_size=size1
            chosen_prop=float(size1/close_ball)
            break
        elif (pos_x>=(pos2[0]-size2/2) and pos_x<=(pos2[0]+size2/2)) and (pos_y>=(pos2[1]-size2/2) and pos_y<=(pos2[1]+size2/2)) :     #ans2
            my_sampler = sampler(exp, exp.get_file(good_ans))
            my_sampler.play()
            chosen_size=float(size2)
            chosen_prop=float(size2/close_ball)
            break
        elif (pos_x>=(pos3[0]-size3/2) and pos_x<=(pos3[0]+size3/2)) and (pos_y>=(pos3[1]-size3/2) and pos_y<=(pos3[1]+size3/2)) :     #ans3
            my_sampler = sampler(exp, exp.get_file(good_ans))
            my_sampler.play()
            chosen_size=float(size3)
            chosen_prop=float(size3/close_ball)
            break
        elif (pos_x>=(pos4[0]-size4/2) and pos_x<=(pos4[0]+size4/2)) and (pos_y>=(pos4[1]-size4/2) and pos_y<=(pos4[1]+size4/2)) :     #ans4
            my_sampler = sampler(exp, exp.get_file(good_ans))
            my_sampler.play()
            chosen_size=float(size4)
            chosen_prop=float(size4/close_ball)
            break
        elif (pos_x>=(pos5[0]-size5/2) and pos_x<=(pos5[0]+size5/2)) and (pos_y>=(pos5[1]-size5/2) and pos_y<=(pos5[1]+size5/2)) :     #ans5
            my_sampler = sampler(exp, exp.get_file(good_ans))
            my_sampler.play()
            chosen_size=float(size5)
            chosen_prop=float(size5/close_ball)
            break
        else:
            my_sampler = sampler(exp, exp.get_file(bad_ans))
            my_sampler.play()
            counter_ans=counter_ans+1
            my_mouse.flush()

exp.set("chosen_size", chosen_size)
exp.set("chosen_prop", chosen_prop)
exp.set("x_pos", pos_x)
exp.set("y_pos", pos_y)
exp.set("ans_time", timestamp)
exp.set("repet_answer", counter_ans)

Everythings looks to work fine, except when I go to the log file and I check the mouse position on the screen at the moment of the clicks (pos_x , pos_y) , it records only the position of the last trial and repeated it for all the trials. Something like this:

image

Any idea where is my mistake? Maybe I am missing something very basic here, but I have performed many potential solutionas and nothing seems to work so far.

Thanks in advance for any ideas.

Cheerrs!

Felipe

Comments

  • edited November 2014

    Hi Felipe,

    Thanks for the very clear description of your problem! It seems to me you're doing everything in the right way, so the output is quite puzzling... Could it be that the x_pos and y_pos variables are overwritten sometime between the running of your inline_script and the logger?

    To debug your problem a bit, could you add the following to the very end of your inline_script?

    print("Python: x=%d, y=%d" % (pos_x, pos_y))
    print("OpenSesame: x=%d, y=%d" % (exp.get("x_pos"), exp.get("y_pos")))
    

    This should give you the x and y coordinates at the time of running. If these differ from the logged coordinates, something must have happened between getting the coordinates and logging them.

    Cheers,

    Edwin

  • edited 3:13PM

    Hi Edwin,

    Thanks a lot for your reply.

    I did what you asked me and this is what I get when I put the print lines after the button press in-line code but before the logger Item (so looks fine):

    Python: x=-143, y=-496
    OpenSesame: x=-143, y=-496
    Python: x=-1009, y=-458
    OpenSesame: x=-1009, y=-458
    Python: x=983, y=-419
    OpenSesame: x=983, y=-419
    Python: x=990, y=-431
    OpenSesame: x=990, y=-431

    Nevertheless, the log file looks like this:

    image

    So it just repeated the first answer.

    Now If i put the print lines after the logger Item the problem apears to be everywhere:

    Python: x=-869, y=-424
    OpenSesame: x=-869, y=-424
    Python: x=-869, y=-424
    OpenSesame: x=-869, y=-424
    Python: x=-224, y=-402
    OpenSesame: x=-224, y=-402
    Python: x=-224, y=-402
    OpenSesame: x=-869, y=-424

    image

    So it seems that the logger item is not renewing the values after every run when it collects the answers.

    Any idea what could be? And even better... Any idea how to solve it?

    Thanks again for your help.

    Cheers!

    Felipe

  • edited 3:13PM

    Hi Felipe,

    I suspect the problem lies in the structure of your experiment, i.e. that the logger is not called after every click, but is called several times after the last click. So click-click-click-log-log-log, instead of click-log-click-log-click-log, if you see what I mean.

    What's the structure of your experiment like? Could you post the script somewhere, or upload a screenshot of the overview area?

    Cheers,
    Sebastiaan

    Buy Me A Coffee

  • edited November 2014

    Hi Sebastiaan ,

    Thanks a lot for your reply! I think your answer is probably close of the root of the problem. Nevertheless is that were the case, shouldn't be that the "Logfile" registers the last answer and not the first one pressed (as is the case in the examples of my previous post)?
    Anyway I leave you here the structure and the script of the experiment. I would appreciate a lot if you can take a look on it, because I am still stuck on this issue.

    File is here:
    https://drive.google.com/file/d/0B6QKZMDpEVQoMlFNcjYzSUdoQU0/view?usp=sharing

    Structure looks like this:

    image

    (collectanswer is the in-line code i put on the first post of this case)

    Thanks in advance,

    Felipe

  • edited 3:13PM

    Hi Felipe,

    Ok, this was a bizarre one. :-B I'm not exactly sure why, but the issue was due to having 'Transparent variable management' enabled. If you disable this, it works as expected.

    (I will probably remove (or at least hide) transparent variable management as a feature, because it's not really optimally designed.)

    Cheers!
    Sebastiaan

    Buy Me A Coffee

  • edited 3:13PM

    Hi Sebastiaan,

    Thanks a lot for your answer.

    But i still dont get it how you manage to make it work without the option of the transparent variable manager. In the experiment I have some pictures that are preload at the beggining of each trial, these are numbers variables in the loop called "picture", then in the prepare phase of the stimulus presentation i call them to load the pics:

    banana=('C:\Felipe\experiment{0}.jpg'.format(picture))

    then in the run phase I present it:

    im=SimpleImageStim(win,banana, flipHoriz=False, pos=(0,0), units='deg')

    When i uncheck the box of transparent variable manager, the program crashes because it simply fails to recognize "picture" as a variable.

    Any idea how can i bypass this issue in order to run the code without using the transparent variable alternative?

    Thanks again in advance.

    Felipe

  • edited 3:13PM

    Hi Felipe,

    You can access experimental variables with self.get(), so you would do something like:

    picture = self.get('picture')
    banana=('C:\Felipe\experiment{0}.jpg'.format(picture))
    

    Transparent variable management was a way to get around this, but, as I mentioned, it's more trouble than it's worth.

    See also:

    Cheers!
    Sebastiaan

    Buy Me A Coffee

  • edited 3:13PM

    Thanks a lot Sebastiaan, Everything working fine now.
    Cheers!
    Felipe

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