Wikitude

how to access drawable cooordinates (x axis and y axis)

Hi all,

 

i want to do something like this in the following video: https://youtu.be/qWJqd6lyJ-E?t=2m

 

it is started in minute 2 and i want to freeze the details in screen and put circles in marker and connect them with lines, i think to change the line based in x and y for the circles in the screen, but i can't access it, so please can you help me in that