IndexSizeError:

Online experiments
1

I am getting: * IndexSizeError: Failed to execute ‘getImageData’ on ‘OffscreenCanvasRenderingContext2D’: The source width is 0. although there is no image in the experiment

wh

Screen Shot 2024-10-19 at 16.00.01
Screen Shot 2024-10-19 at 16.00.011366×768 254 KB

at could be the issue?

thanks!

2

What is line 397 of your JS file?

It looks like it might be related to a textbox component.

3

Screen Shot 2024-10-19 at 20.30.16
Screen Shot 2024-10-19 at 20.30.161366×768 186 KB

Screen Shot 2024-10-19 at 20.31.03
Screen Shot 2024-10-19 at 20.31.031366×768 194 KB

4

I mean I directly copy pasted this from a task that seems to be running smoothly so i dont know whats the problem

5

Please could you show the layout and appearance tabs of that text component? It might be related to the units.

Alternatively, are you using “text” for anything else?

6

Screen Shot 2024-10-20 at 21.59.25
Screen Shot 2024-10-20 at 21.59.251366×768 177 KB

Screen Shot 2024-10-20 at 21.59.30
Screen Shot 2024-10-20 at 21.59.301366×768 180 KB

Screen Shot 2024-10-20 at 22.03.35
Screen Shot 2024-10-20 at 22.03.351366×768 189 KB

Screen Shot 2024-10-20 at 22.04.23
Screen Shot 2024-10-20 at 22.04.231366×768 189 KB

Screen Shot 2024-10-20 at 21.59.35
Screen Shot 2024-10-20 at 21.59.351366×768 176 KB

There are many texts in the task, but you asked the line 397, --But maybe something else causing the error.Could you please check the screenshot I added previously, the errors I got

8

I think that your text components settings are all at default, so I wonder whether you have used the word “text” to refer to anything else. Try Experiment – Find in Experiment – text

9

Screen Shot 2024-10-21 at 15.25.39
Screen Shot 2024-10-21 at 15.25.391366×768 160 KB

Screen Shot 2024-10-21 at 15.25.47
Screen Shot 2024-10-21 at 15.25.471366×768 159 KB

Screen Shot 2024-10-21 at 15.25.53
Screen Shot 2024-10-21 at 15.25.531366×768 158 KB

1 Like
10

I changed the letter height to0.03 from 0.05-I mean they re not default and yes many texts in the experiment:

11

@wakecarter hi what do you think is the problem

12

Hello

You did not answer this question.

Best wishes Jens