Re: [CAD_CAM_EDM_DRO] Re: convert drawing to cad file

"I do a high-res scan
and then import the bitmap into my cad program. (Rhino) Then I
simply trace lines arcs and splines over the scan. Seems to work much
faster and better that way."


Derek,sounds like a good way,do you trace with a mouse or a digital pen or
something .
Thanks all for very interesting stuff

-------Original Message-------

From: CAD_CAM_EDM_DRO@yahoogroups.com
Date: Saturday, June 21, 2003 06:53:00 AM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Re: convert drawing to cad file

> The best method by far is to use ANY cad system and forget the
> conversion. None of the conversion programs are worth a rats arse.
> They convert arcs to many small lines, even straight lines are
> chopped up.
> You spend more time trying to clean the drawing up than redoing it.
> If you need the drawing for a CNC machine you can get horrible
> results with all the small gaps.
> About the only place they work is converting artwork where you can
> put up with inaccurate drawings to get a shape, logo's are an

example.


I agree with John. Raster to vector converters suck. Most of the
drawings I work with fit in a normal scanner. I do a high-res scan
and then import the bitmap into my cad program. (Rhino) Then I
simply trace lines arcs and splines over the scan. Seems to work much
faster and better that way.


Derek



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metalworking or go thru Google.com to reach it if you have trouble.
http://www.metalworking.com/news_servers.html

http://groups.yahoo.com/group/jobshophomeshop I consider this to be a sister
site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.

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