Fatbike tire footprints?
There are more variables that you are missing.  Rim width is also a factor as well as the tire "setup" itself (tubeless or tubed).  So all the variables you would be looking at are tire width and size, rim width, tire pressure and wheel setup (tubeless or tubed).  For any or the data to be meaningful, you'd need all of that data.  Generally you will get the widest footprint/contact patch by riding a wide tire on a wide rim at low pressures with a tubeless setup.