 | | | subd/ polymesh > nurbs | subd/ polymesh > nurbs 2004-02-17 - By Guy Rabiller
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In XSI, one NURBS 'object' can have several surfaces, as Curve 'objects'
can have many 'subcurves'.
But in the the Explorer, you see 1 object.
--
guy rabiller | 3d technical director @ LaMaison
Morten Bartholdy wrote:
>I'd say the same, only it is just one NURBS object in the explorer...
>
>Can NURBS objects hierarchies be sort of hidden?
>
>MB
>
>
>-- -- Original Message -- --
>From: "kim aldis" <kim@(protected)>
>To: <XSI@(protected)>
>Sent: Tuesday, February 17, 2004 11:31 AM
>Subject: RE: subd/ polymesh > nurbs
>
>
>
>
>>It's probably not a single surface. The nature of poly meshes and NURBS
>>surfaces is such that there are many shapes that can be made from polys
>>that can't be made with a single patch. The usual method is to string
>>patches together. There is no other way.
>>
>>
>>
>>>-- --Original Message-- --
>>>From: owner-xsi@(protected)
>>>[mailto:owner-xsi@(protected)] On Behalf Of Morten Bartholdy
>>>Sent: 17 February 2004 08:55
>>>To: XSI@(protected)
>>>Subject: Re: subd/ polymesh > nurbs
>>>
>>>Looks funny - how can this be one surface?
>>>
>>>http://colorshopvfx.dk/XSI/Poly2Nurbs.jpg
>>>
>>>Normally I would expect to have to zip 8 rectangles with a
>>>tube and another rectangle to get this with NURBS...
>>>
>>>MB
>>>
>>>-- -- Original Message -- --
>>>From: "lpiasecki76" <lpiasecki76@(protected)>
>>>To: <XSI@(protected)>
>>>Sent: Monday, February 16, 2004 9:13 PM
>>>Subject: RE: subd/ polymesh > nurbs
>>>
>>>
>>>
>>>
>>>>Wow, are there any more of such 'undocumented' or not in
>>>>
>>>>
>>>the GUI tools ?
>>>
>>>
>>>>It does use some weird conversion mechanism though as the
>>>>
>>>>
>>>nurbs objects
>>>
>>>
>>>>created are pretty weird and probably not too useful.
>>>>Probably a better way would be if it converted a poly into
>>>>
>>>>
>>>surface mesh...
>>>
>>>
>>>>The result would be more predictable and perhaps usefull,
>>>>
>>>>
>>>otherwise it
>>>would
>>>
>>>
>>>>be very hard to convert from poly->nurbs. I have yet to see a good
>>>>algorithm.
>>>>
>>>>Luke
>>>>
>>>>
>>>>
>>>>
>>>>>Use the Pnet function in XSI.
>>>>>
>>>>>
>>>>>
>>>>>Select your object then type:
>>>>>
>>>>> ApplyOp "PolyMeshPNet"
>>>>>
>>>>> ...Into the script editor and click run. Note: XSI will
>>>>>
>>>>>
>>>run very slowly
>>>
>>>
>>>>>till you freeze the new nurbs object.
>>>>>
>>>>>
>>>>>
>>>>>Ed Harriss
>>>>>XSI Stuff: http://www.EdHarriss.com
>>>>>Do you need a CG job? http://www.GetA3DJob.com
>>>>>
>>>>>
---
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