Actually now that I think about it the first sketch may have been "closed'
due to a projected axis. I'll play around some more and see if that was the
reason for it...
--
Sean Dotson, PE
http://www.sdotson.com
Check the Inventor FAQ for most common questions
http://www.sdotson.com/faq.html
-----------------------------------------
"Larry Caldwell" wrote in message
news:39A50A6AC64E015564742A148EC1DC3A@in.WebX.maYIadrTaRb...
> I don't remember seeing that on just open loops with absolutely no other
> geometry on any sketch. In that case, Least I can't remember ever seeing
the
> pick region error. I think I have mainly seen it when I had to use Click
to
> add or pick surface in the case of at least one closed loop. Can you make
a
> three-point arc (nothing else) on two or three offset workplanes, loft it
> and get the region error?
> ~Larry
>
> "Sean Dotson" wrote in message
> news:22190504BB6143A4C2ADCD8579E00FB1@in.WebX.maYIadrTaRb...
> > In the cases I've seen this happen thee is only one solution. You have
an
> > open profile loop and lofting a surface to another open profile loop.
> What
> > other solution could you have?
> >
> > --
> > Sean Dotson, PE
> > http://www.sdotson.com
> > Check the Inventor FAQ for most common questions
> > http://www.sdotson.com/faq.html
> > -----------------------------------------
> > "Larry Caldwell" wrote in message
> > news:42668889073CE78750FF5AC46D2AE566@in.WebX.maYIadrTaRb...
> > > When it wants you to pick a region on a surface/solid sketch, there
are
> > > probably at least two valid solutions. The loft command picks all
> solution
> > > outlines initially and ask you to pick the region(s) you want to be
> > > included.
> > > ~Larry
> > >
> > > "Sean Dotson" wrote in message
> > > news:C6D1CD4AEEB24854783CFCB57BA90AAF@in.WebX.maYIadrTaRb...
> > > > One hint I can give in respect to the "please choose a region" error
> is
> > > > this.
> > > >
> > > > Select the sketch from the browser OR click on the sketch once to
> > activate
> > > > it and again to select just the sketch). Sometimes IV thinks you
are
> > > > waiting to choose a region (even on non closed loops) I agree that
> the
> > > > interface is a bit finicky sometimes...
> > > >
> > > > Can you send me an example of one of the completed tanks. Maybe
this
> > > would
> > > > be a good example.
> > > >
> > > > --
> > > > Sean Dotson, PE
> > > > http://www.sdotson.com
> > > > Check the Inventor FAQ for most common questions
> > > > http://www.sdotson.com/faq.html
> > > > -----------------------------------------
> > > > "Kevin Snyder" wrote in message
> > > > news:B2BD3E64EA10A3946EF401D03475B79D@in.WebX.maYIadrTaRb...
> > > > > Sean,
> > > > > As soon as I posted my vote for a surface tutorial, I started
> thinking
> > > > about
> > > > > what I would like to see. I guess I'm having my biggest
> difficulties
> > > > > working through the loft form. Sometimes it gives me errors "pick
a
> > > > region"
> > > > > and sometimes not. Sometimes it will allow me to pick curves and
> > other
> > > > > times it won't. I'm going to have to start documenting the
> problems
> > > I'm
> > > > > having with the form. But I think some varieties of lofts and
> making
> > > use
> > > > of
> > > > > 3d intersections in lofts might help.
> > > > >
> > > > > Most of my work is with motorcycle gas tanks and fenders. I
receive
> > > > 'iges'
> > > > > files from my customers and most of the time the surfaces will not
> > > stitch
> > > > > together. They either overlap by 0.000012, or there is a gap of
> > > 0.00002.
> > > > > What are my options for building new surfaces, from the ones that
> are
> > > > there,
> > > > > and replacing the originals. In MDT I used to untrim the original
> and
> > > > > retrim to the "other" trim edge. Most of my finished diework is
> good
> > if
> > > > > it's within .0005-.001. But the CAD and the CNC demands exactness
> (is
> > > > that
> > > > > a word?).
> > > > >
> > > > > I'm still plugging away at this (fortunately, we aren't very busy
> > right
> > > > > now), and I just got my "Autodesk Inventor 6 Essentials" in the
> mail.
> > > So
> > > > I
> > > > > may get this figured out yet.
> > > > >
> > > > > kevin
> > > > >
> > > > >
> > > > > "Sean Dotson" wrote in message
> > > > > news:DDCD98DC64691069086E5F7EEBFB6E3F@in.WebX.maYIadrTaRb...
> > > > > > What do you want me to use as an example? I'm don't usually
> design
> > > > swoopy
> > > > > > shapes so I'm not sure what you guys want to see.
> > > > > >
> > > > > > I played around with an example last night (See CF under Cell
> Phone
> > > > > Shell).
> > > > > > I didn't have my phone with me so I guessed at some dims and it
> was
> > a
> > > > > quick
> > > > > > and crude model. It wasn't too far off. In the tutorial I'd
> flesh
> > it
> > > > out
> > > > > a
> > > > > > bit more...
> > > > > >
> > > > > > This model uses extruded and revolved surfaces, surface lofts,
> knit
> > > > > > surfaces, thicken surface, emboss, decal and standard extrude
> tools.
> > > > > >
> > > > > > Anyway, want to see how to make this as an example? If not give
> me
> > > > > another
> > > > > > suggestion. I guess I'm just having writers' block.
> > > > > >
> > > > > > --
> > > > > > Sean Dotson, PE
> > > > > > http://www.sdotson.com
> > > > > > Check the Inventor FAQ for most common questions
> > > > > > http://www.sdotson.com/faq.html
> > > > > > -----------------------------------------
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>