What is the algorithm used by UCSC lift over tool?

Question

[manojkumar_bhosale]

I want to write my own tool for liftover between two genome assemblies. Please let me know how the chain file is used to convert the coordinates?

[GenoMax]

Chains/nets are explained here. Additional practical information on this page.

[h.mon]

You can read CrossMap algorithm description, and even better, examine its source.