Selecting random picture number-inline script
I am creating an experiment with 20 images from 3 different categories and a total of 80 trials. Each images is called by its category and a number that goes from 1 to 20. In the sketchpad where the images have to be presented I have the following written:
draw image center = 1 file = "[category_image] [num] .jpg" scale = 1 show_if = always x = 300 y = "[DisLeft]" z_index = 0
The variable num is writen in the loop table with the numbers from 1 to 20 on each row. The problem is that I have 80 trials in total and I have to repeat the secquence 3 times to complete the rest of rows that are empty in this column [num]. Is there any code that can generates random numbers for [num] instead of taking them from a column in the loop table?
I want to keep the category column in order that the program reads all the type of images as follows in the table. I just want to randomise the number of the image.
I have seen this code on the forum but does not work:
import random # select random number randnr = random.randint(1,20) # store variables exp.set("use_this_number", randnr)
draw image center = 1 file = "[category_name][use_this_number].jpg" center=1 color=[use_this_colour] font_family="mono" font_size=64 font_italic=no
Thank you very much, I will appreciate any idea.