----------
> From: Dr Anshuman Razdan <razdan@asu.edu>
> To: RP Mailing List <rp-ml@bart.lpt.fi>
> Subject: FW: just a thought : the new looks for Reverse Engineering...
> Date: Tuesday, November 17, 1998 12:39 PM
>
>
> I agree with the thoughts presented here. Looking at a step beyond the
data
> capture, the modeling of the data poses the other side of the problem.
And
> its not a trivial one. From data reduction to fitting a surface thru
large
> number of data points in an "automated" manner are only some of the
hurdles.
> The issue of mathematically modeling mother nature brings up yet another
> interesting topic - mother nature didnt intend to be modeled solely with
> trimmed NURBS (Non Rational B Spline Surfaces), no matter what the
degree,
> no matter what the parametrization. It has taken a long time for the CAD
> world to come to an agreement on NURBs as the underlying surface scheme
but
> there is more to it. As more and more complex objects are to be reverse
> engineered should we be limited to do with network of (trimmed) NURB
surface
> patches or should we go the route of object oriented programming
paradigm,
> i.e. each surface type/patch (whatever) has a published interface and to
put
> together a set of surfaces one picks the right type of surfaces,
stitching a
> quilt, with the right continuity conditions, boundary constraints etc. Is
it
> possible mathematically ? Are there any solid modelers who publicly
support
> other type of surfaces other than NURBS. I know some have internal
blending
> pathces for specific uses. Dont get me wrong. I make a living off of
NURBs.
> But nevertheless I hope this stimulates some serious conversation aimed
at
> tomorrow.
>
>
> > -----Original Message-----
> > From: owner-rp-ml@ltk.hut.fi [mailto:owner-rp-ml@ltk.hut.fi] On Behalf
> > Of Innomation Systems & Technologies Pte. Ltd.,
> > Sent: Tuesday, November 17, 1998 1:41 AM
> > To: rpmail
> > Subject: just a thought : the new looks for Reverse Engineering...
> >
> >
> > hi list,
> >
> > i had seen many emails passing through about scanners and digitising.
> >
> > very soon..i think that there will be a new mailing list for Reverse
> > Engineering.
> >
> > but the things i will like to predict is that Reverse Engineering may
be
> > the master of Rapid Prototyping in the next couple of years.
> >
> > Mankind's creativity if bounded by the CAD/CAM limitations can
> > never exceed
> > to new boundaries. no matter how we design the models to be more
> > streamline
> > we can never defeat Mother's nature talents in design for beauty,
> > efficiency and survival. hence, as we approach this limit....what we
have
> > created as new may just look similar to something that looks old.
> >
> > imagine if you just put ten people in an isolated town and let them
marry
> > among themselves and so do their offspring....what type of
> > genetic features
> > can be described as new??? ( by the way, it also means incest!!!)
> >
> > Reverse Engineering will also follow the evolution trend to be
> > developed to
> > a higher stage....from using touch probe to laser digitising...i
believe
> > the next phase of achievement will be the optical digitisers such as
> > Steinbichler, EOIS, Hymarc(distinctively from conventional laser
> > digitising) etc. to dominate the markets. look at how creatures
> > had evolved
> > from using feelers (such as tentacles or hands) to feel the
> > surronding.....to the advance developed eyes for sight.....is not
optical
> > digitising be the next stage that will be the most salient and dominant
> > systems to be adopted for use.
> >
> > just my thoughts!!!
> >
> > Sincerely,
> > joseph sim
> >
> > Innomation Systems & Technologies Pte. Ltd.,
> > 12, New Industrial Road, Thoren Technocentre
> > #06-03 Singapore - 536202
> > Republic of Singapore
> > Tel : 065-3828685
> > Fax : 065-3828658
> >
> > For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
> >
>
>
> For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
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