Remap vs Retap - What's the difference?

As verbs the difference between remap and retap

is that remap is to assign differently; to relabel or repurpose while retap is to tap again (in various senses).

(remapp)

To assign differently; to relabel or repurpose.

:He remapped the variable in the code to hold the value directly, instead of a pointer to the value.

To map again.

:Because the topography and development of the land changed so much in the floods, the region had to be remapped .