Anyone know if this could be used for generating heatmaps? I'd basically need to identify the x,y offsets of elements on a page. I realize that these can be e

Anyone know if this could be used for generating heatmaps? I'd basically need to identify the x,y offsets of elements on a page. I realize that these can be effected by the browser's width/height, but I'm hoping I can set those to generate the data.