CAD CAM EDM DRO - Yahoo Group Archive

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

Posted by ds@d...
on 2003-06-22 15:31:45 UTC
I tried to import a bitmap into rhino but it doesn,t import bmp,anyone know
how?
chris



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.

-------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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Discussion Thread

ds@d... 2003-06-20 22:10:02 UTC Re: [CAD_CAM_EDM_DRO] convert drawing to cad file stevenson_engineers 2003-06-21 02:16:44 UTC Re: convert drawing to cad file tig415 2003-06-21 03:37:55 UTC Re: convert drawing to cad file Robert Campbell 2003-06-21 06:12:54 UTC Re: [CAD_CAM_EDM_DRO] convert drawing to cad file Cardinal.Eng 2003-06-21 06:38:07 UTC Re: convert drawing to cad file Robert Campbell 2003-06-21 10:14:35 UTC Re: [CAD_CAM_EDM_DRO] Re: convert drawing to cad file Fred Smith 2003-06-21 11:23:44 UTC Re: convert drawing to cad file ds@d... 2003-06-21 13:11:25 UTC Re: [CAD_CAM_EDM_DRO] Re: convert drawing to cad file ds@d... 2003-06-21 13:20:44 UTC Re: [CAD_CAM_EDM_DRO] Re: convert drawing to cad file stevenson_engineers 2003-06-21 15:12:35 UTC Re: convert drawing to cad file Fred Smith 2003-06-21 15:56:07 UTC Re: convert drawing to cad file stevenson_engineers 2003-06-21 16:07:58 UTC Re: convert drawing to cad file morgtod 2003-06-21 19:29:35 UTC Re: convert drawing to cad file IMService 2003-06-22 07:22:04 UTC Re: Re: convert drawing to cad file WDSmith 2003-06-22 08:17:50 UTC Re: convert drawing to cad file ds@d... 2003-06-22 15:31:45 UTC Re: [CAD_CAM_EDM_DRO] Re: convert drawing to cad file Robert Campbell 2003-06-22 16:01:52 UTC Re: [CAD_CAM_EDM_DRO] Re: convert drawing to cad file pcfw 2003-06-22 16:52:11 UTC Re: convert drawing to cad file