Hi everyone! I’ll start by saying I’m almost completely new to PsychoPy (and absolutely new to Python). I’d like to know whether what I’m trying to achieve is possible using Builder (without adding code). I would like to present several pictures horizontally in a pseudorandom order on the upper p…

Hi @EzekielS , it is possible with minimal coding required. You need to add your images, a mouse and a code component for controlling your image positions. You would do something like the following: # Begin Routine myPics = [pic1, pic2, pic3] # You image components # Each Frame for pic in myPics: …

Hey @dvbridges ! Much appreciated! I’ll start tinkering and see where it goes, though I don’t doubt I’ll be back with questions.

@dvbridges This worked perfectly, thank you! I’ve noticed that when dragging one of the images, if I pass over another image, I’m now dragging both of them. Is there a way to add a condition before the drag and drop code that checks if I’m already dragging? All of the images are the same size so w…

Yes, you would need to create a function, which knows when an image is currently being moved. It gets more complicated when dealing with this, but I already have a solution. It works by passing back and forth the name of the currently clicked piece, and the move function works only for that piece if…

Again, this works great! As per your earlier comment… [image] dvbridges: We can also add code to detect whether the pictures are in the correct position. If you need this, get familiar with this stage first, and then let me know what makes a correct response. There would not be a correct re…

Hey @dvbridges ! I used your code in a loop. 3 images are presented > drag-drop in order of preference > continue button This sequence in a loop, the images vary every repeat HOWEVER: let’s say I drag and drop my images on top of each other, then at the next repeat, the new images will be displaye…

hI @Oceane , if you are following the example in the above post (movingPics) then to reset the position on each trial, or iteration of the loop, go into your image/shape component dialig and set the position to update on each repeat. Then, whatever value you have set as your position will be used at …

Ha! Did not think about that… Thanks :slight_smile:

Dear all, I have a follow-up question and I wonder whether I could have some help here. I modified @dvbridges ’ example movingPics.psyexp by adding two variables so that I can obtain the precise location of the objects at the end of each trial (instead of the locations of the mouse). Although I have…

Hi, I haven’t looked at your experiment file, but did you provide a JavaScript equivalent to your custom Python code for saving the variables? If not, this can be aided by selecting “Auto -> JS” in your code component, so PsychoPy will have a go at automatically translating for you.

Drag & Drop Stimuli

Builder

Michael August 17, 2020, 2:04am 14

I would suggest looking at the JavaScript translation guide from @wakecarter here:

But in essence, I think the equivalent of thisExp.addData() in Python is psychoJS.experiment.addData() in JavaScript.

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Drag & Drop Stimuli

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