Re:

Anonymous · ‎05-22-2003

is it possible to create COONS surfaces in Inventor like this:
http://webserv.nhl.nl/~ensin600/COONS.html ?

I guess it's impossible in Inventor(6), but if anybody knows better i
sure would like to know. Thanks.
C. Ensing, NHL, Leeuwarden, Holland.

Anonymous · ‎05-23-2003

link is bad

Anonymous · ‎05-23-2003

The upper right image is not loading.

I'm wondering if 2 arcs on adjacent faces could be swept (surface) with the
arc on the 3rd surface of the cube acting as wire for the sweep profile.

I wonder if Jeff Howard is still on the planet?

QBZ

"cje" wrote in message
news:501F1B30AE3C705A2E4D237299485C6C@in.WebX.maYIadrTaRb...
> is it possible to create COONS surfaces in Inventor like this:
> http://webserv.nhl.nl/~ensin600/COONS.html ?
>
> I guess it's impossible in Inventor(6), but if anybody knows better i
> sure would like to know. Thanks.
> C. Ensing, NHL, Leeuwarden, Holland.
>

Anonymous · ‎05-23-2003

Take that for the upper right image?
http://webserv.nhl.nl/~ensin600/kubus2.1.jpg
--
Michael Puschner
mp@scholle.de

"Kevin Schneider (Autodesk, Inc.)" schrieb im
Newsbeitrag news:f166c6f.0@WebX.maYIadrTaRb...
> link is bad
>
>

Anonymous · ‎05-23-2003

Stupid stupid stupid.

Swept.... I meant LOFT.

QBZ

"Quinn Zander" wrote in message
news:F321B86277ACDCE8B754DFFBD5CA875C@in.WebX.maYIadrTaRb...
> The upper right image is not loading.
>
> I'm wondering if 2 arcs on adjacent faces could be swept (surface) with
the
> arc on the 3rd surface of the cube acting as wire for the sweep profile.
>
> I wonder if Jeff Howard is still on the planet?
>
> QBZ
>
>
>
>
> "cje" wrote in message
> news:501F1B30AE3C705A2E4D237299485C6C@in.WebX.maYIadrTaRb...
> > is it possible to create COONS surfaces in Inventor like this:
> > http://webserv.nhl.nl/~ensin600/COONS.html ?
> >
> > I guess it's impossible in Inventor(6), but if anybody knows better i
> > sure would like to know. Thanks.
> > C. Ensing, NHL, Leeuwarden, Holland.
> >
>
>

Anonymous · ‎05-23-2003

Hi, Quinn.

Just barely.

I think Mike probably covered more than I know on the subject (iv7). Coons
surfaces are defined by specific algorithms (written by the man they are named
for?) that fit a , I think G1, surface through a point or curve set. There
are several flavors; linear, bilinear, bicubic, etc. and that's all way over
my head. The term has been broadened to include many of the surface creation
tools offered by different software, and this is probably what cje is refering
to, though I don't believe many routines acutally use the algorithms any
longer (pre-date NURBS?).

Posted to ivCF a native iv loft and non-native ipt that I think is what a
Coons surface defined by the three curves would look like (though I don't know
which flavor or if it's authentic).

"Quinn Zander" wrote in message
news:F321B86277ACDCE8B754DFFBD5CA875C@in.WebX.maYIadrTaRb...

........
........

I wonder if Jeff Howard is still on the planet?

QBZ

"cje" wrote in message
news:501F1B30AE3C705A2E4D237299485C6C@in.WebX.maYIadrTaRb...
> is it possible to create COONS surfaces in Inventor like this:
> http://webserv.nhl.nl/~ensin600/COONS.html ?
>
> I guess it's impossible in Inventor(6), but if anybody knows better i
> sure would like to know. Thanks.
> C. Ensing, NHL, Leeuwarden, Holland.
>

Anonymous · ‎05-25-2003

Link is ok now. Sorry for that.
C. Ensing ("cje")

"Kevin Schneider (Autodesk, Inc.)" wrote in
message news:f166c6f.0@WebX.maYIadrTaRb...
> link is bad
>
>

Anonymous · ‎05-25-2003

Ok so probably no exactly Coons surfaces. But can i create a surface like
the upper right image?
Also the arc's are not the same, so a sweep action is already out of the
question.

A surface like this very easy to create in Mastercam (v9), it's actually
created with a 'coons surface' tool. I tried to import the surface into
Inventor and try to create a solid with it. It shows the surface in al it's
glory but i haven't been able to create al solid with it.

Thanks.
cje

"Jeff Howard" wrote in message
news:58EC7F451C84B385BD358E1FB37A3BF8@in.WebX.maYIadrTaRb...
> Hi, Quinn.
>
> Just barely.
>
> I think Mike probably covered more than I know on the subject (iv7).
Coons
> surfaces are defined by specific algorithms (written by the man they are
named
> for?) that fit a , I think G1, surface through a point or curve set.
There
> are several flavors; linear, bilinear, bicubic, etc. and that's all way
over
> my head. The term has been broadened to include many of the surface
creation
> tools offered by different software, and this is probably what cje is
refering
> to, though I don't believe many routines acutally use the algorithms any
> longer (pre-date NURBS?).
>
> Posted to ivCF a native iv loft and non-native ipt that I think is what a
> Coons surface defined by the three curves would look like (though I don't
know
> which flavor or if it's authentic).
>
>
> "Quinn Zander" wrote in message
> news:F321B86277ACDCE8B754DFFBD5CA875C@in.WebX.maYIadrTaRb...
>
> ........
> ........
>
> I wonder if Jeff Howard is still on the planet?
>
> QBZ
>
>
>
>
> "cje" wrote in message
> news:501F1B30AE3C705A2E4D237299485C6C@in.WebX.maYIadrTaRb...
> > is it possible to create COONS surfaces in Inventor like this:
> > http://webserv.nhl.nl/~ensin600/COONS.html ?
> >
> > I guess it's impossible in Inventor(6), but if anybody knows better i
> > sure would like to know. Thanks.
> > C. Ensing, NHL, Leeuwarden, Holland.
> >
>
>
>
>

Anonymous · ‎05-25-2003

Jeff posted a example to the Inventor customer-files newsgroup. You may want
to go check it out.

--
Kent Keller
http://www.MyMcad.com/KWiK/Mcad.htm

Assistant Moderator
Autodesk Discussion Forum Moderator Program

"ensin600" wrote in message
news:3460562F1873DB8361B95FCFE3C5737B@in.WebX.maYIadrTaRb...
> Ok so probably no exactly Coons surfaces. But can i create a surface like
> the upper right image?

Anonymous · ‎05-27-2003

How can i find this example? What the name of subject of the post? If i sort
the group by name, i can't find a post by Jeff (Howard).

"Kent Keller" wrote in message
news:A8BC371E16096B74E74DBC5BA88FE82F@in.WebX.maYIadrTaRb...
> Jeff posted a example to the Inventor customer-files newsgroup. You may
want
> to go check it out.
>
> --
> Kent Keller
> http://www.MyMcad.com/KWiK/Mcad.htm
>
> Assistant Moderator
> Autodesk Discussion Forum Moderator Program
>
> "ensin600" wrote in message
> news:3460562F1873DB8361B95FCFE3C5737B@in.WebX.maYIadrTaRb...
> > Ok so probably no exactly Coons surfaces. But can i create a surface
like
> > the upper right image?
>
>

Anonymous · ‎05-27-2003

cfe -

You are using OE6 and might need to reset your newsgroup software
to show ALL messages instead of just new messages.

Take a look at
Subject:
Coons (?) surface
Date:
Fri, 23 May 2003 16:11:30 -0700
From:
"Jeff Howard"
Newsgroups:
autodesk.inventor.customer-files

Inventor Customer Files can be found at

http://discussion.autodesk.com/WebX?14@@.f15ad3a or
news://discussion.autodesk.com/autodesk.inventor.customer-files

--
Anne Brown
Manager, Moderator
Autodesk Product Support Discussion Groups
Discussion Q&A: http://www.autodesk.com/discussion

cje wrote:
>
> How can i find this example? What the name of subject of the post? If i sort
> the group by name, i can't find a post by Jeff (Howard).

Anonymous · ‎06-04-2003

So it took me a while to get the files from the customer-files group.
Had a harddrive crash short after my last post. just now i installed
mozilla to get the complete customer-files group. I couldn't get outlook
express to do this for me.

I was very surprised to see what inventor is capable of (in the right
hands) but:
- the first example in the zip file is hollow isn't it?
- how did you make the surface1 in the second example? And is this one a
solid?

Thanks a lot! cje.

Thanks
Kent Keller wrote:
> Jeff posted a example to the Inventor customer-files newsgroup. You may want
> to go check it out.
>

Anonymous · ‎06-04-2003

"cje" wrote in message
news:CDFEC6835F2F229E750FE00149CA278C@in.WebX.maYIadrTaRb...
> So it took me a while to get the files from the customer-files group.
> Had a harddrive crash short after my last post. just now i installed
> mozilla to get the complete customer-files group. I couldn't get outlook
> express to do this for me.
>
> I was very surprised to see what inventor is capable of (in the right
> hands) but:
> - the first example in the zip file is hollow isn't it?
------
All "solids" are hollow in the sense that I think you mean. A solid
representation is just a surface or set of surfaces that defines a volume to
the satisfaction of a solid modeling kernel. You can verify that a solid
exists by doing a mass calc and to some extent by the part icon in the
browser. It will change to a quilt if you delete a face from a solid and back
to a cube if you restore the volume definition by stitching a new surface in.
-----
> - how did you make the surface1 in the second example? And is this one a
> solid?
-----
It was done in Rhinoceros, but I believe there's a command in MDT that will
give you similar results. IV doesn't have a similar (surface from edges)
function.
=============

COONS sufaces in Inventor?

COONS sufaces in Inventor?

COONS sufaces in Inventor?

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