These images are a actual thermographs of floors with electric radiant heat. I'm a novice working under deadline pressure with access to the whole Adobe CC suite. I need to recreate the effect on a photo of an unheated floor. My thinking is that I create a shape with yellow lines on a red background (probably in illustrator) and then blend or blur them, then bring it into a photo as a slightly transparent layer. However the details of getting it right could cost me hours or days. Do I create yellow vector lines with width over a red background? A series of alternating-colored bitmap trapezoids? Any help either positive (do this) or negative (don't waste your time trying this) would be greatly appreciated. I'll share my results if anyone wants to see them.
https://www.dropbox.com/s/wkobre3zwyo4gm8/2011-11-18%2014.11.11.jpg?dl=0