PTracer is a ActiveX Library
for raster to vector conversion in automatic mode
This software is a shareware. You will be able to download and test PTracer during a certain period of time, then, if it does what you need, you will have to acquire the full version from PTracer publisher. The PTracer 1.3 free trial version contains an installer, and has a size of 338 Kilobytes.
For additional information and support request, please contact directly PTracer publisher.

PTracer Screenshot