As an alternative to dxf conversion, Image Systems offers a product that
allows interaction with a raster scanned image that is invisible to
AutoCAD. If you are interested in editing raster images, please give me a
call and I will send you some literature. John P. Reilly (518)283-8783
(the product is called CAD Overlay)
The product is call Image Systems CAD Overlay ESP there number is (518)
283-8783 Let me know if you would like more information on it and a
competitive bid.