[Sidefx-houdini-list] Modeling lines from existing geometry

jrutherford at stclaircollege.ca jrutherford at stclaircollege.ca
Thu Jul 20 09:08:35 EDT 2006


when you first mentionned it, I thought about how I used to do it by
having a group sop go into an add sop and then convert to nurbs curve. 
I'd just pick the points into the group...seems just as fast as using a
curve on a template.





> It's working... but seems clunkier than I expected.
>
> When you're interactively making data using the curve function and
> snapping from point to point... is there a way for the points to
> maintain their attributes?
>
> If I manually enter the point numbers into an Add SOP, (not practical,
> in this case), I get a new line with the point attributes of the
> original data... nice.
>
> Floyd
>
>
>> Thanks everyone,
>>
>> ...making lines now.
>>
>> It does seem a little "hidden", especially since functions like
> Polyknit
>> or Delete work right out-of-the-box.
>>
>> Floyd
>>
>>
>> > Hey Floyd
>> >     Actually,Curve is what you want, but getting it to use the
>> > existing data is the least intuitive thing in Houdini, ever, and
>> > that's saying a lot!!
>> >      What you have to do is open the Snap dialog at the top of the
>> > viewport, and turn on Snap Consolidate. Then, of course, turn on
>> > Snapping. now when you draw your curve in the viewport and snap to
> the
>> > points, the Curve SOP will be wired into the SOP containing the
>> > original geometry and if you modify the original geometry, the curve
>> > will follow.
>> >
>> > Cheers,
>> >
>> > Peter B
>> >
>> > On 20/07/06, Floyd Gillis <floyd at afcg.com> wrote:
>> > > This has got to be one of the most basic modeling functions, but I
>> just
>> > > can't find it tonight.
>> > >
>> > > I'm trying to interactively build lines from an existing polygonal
>> model
>> > > by snapping from point to point.  I thought "curve" would be the
>> > > function to use, but it doesn't see the existing data.  "Polyknit"
>> > > functions exactly as I'd like, but it doesn't make lines.
>> > >
>> > > What am I missing?
>> > >
>> > > Thanks,
>> > >
>> > > Floyd
>>
>>
>>
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