How to implement export from raster to vector on the site?

Question

PHP

If there are already ready-made scripts or libraries for creating a converter for this?
And what is the easiest way to implement this?

Answer 1

The coolest thing is probably potrace .
But do not expect that he will immediately give an excellent result. More or less complex images will most likely have to be finalized manually.
incscape uses this library for the initial auto-trace.