Re: convert drawing to cad file

Hi Fred-
Is this white paper available somewhere?
Todd



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Fred Smith" <imserv@v...>
wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Robert Campbell"

<bob@c...>

> wrote:
>
> > Now I am using Rhino with scanned images. In Rhino you manually
> trace the
> > drawing and clean it up as you go. This seems to be a good way to
> go.
> >
>
> This is also available in all Vector Cad and Cam versions.
>
> I wrote a white paper describing the technique that was distributed
> with the Vector 6.5 update in 1997.
>
> It involves using point construction techniques to create lines
> between 2 points sketched on a straight edge. 3 points to create

an

> arc around circular details, and cubic splines or nurbs curves to

fit

> curves to irregular shaped contours. After the geometry primitives
> are defined, they can be trimmed/extended/rubberbanded as needed

to

> make a precision vector drawing.
>
> One of our customers regularly makes replacement gun parts from
> desktop scans that he claims a tracing accuracy within .003 in. of
> true position.
>
> Vector can place the scanned bitmap at a specified Z depth and the
> points and other geometry, then appear to be in front, and hence
> always visible with respect to the bitmap image. With Vector's ole
> capability, it is possible to paste images from the clipboard, or
> insert any other registered ole object and treat it as is if were a
> bitmap.
>
> Best Regards, Fred Smith- IMService
>
> Listserve Special discounts and offers are at:
> http://www.imsrv.com/hobby
>
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