Background: I have a microcontroller with 13 sensors for pressure reading in a foot on these 13 different points. The value read from each sensor goes from 0 to 1023 and is stored, then I send a string that contains these values over USB to a C# program running on the pc side.

Question: On the pc side program using C#, how can I put a foot picture and make it change on these specific 13 points from cold to hot according with the value that came from the USB? That way showing the pressure in specific parts of the foot. Where more pressure more hot, where less pressure more cold. Don't need to show numerical values for hot or cold.

USB communication is fine, just need the picture treatment.