Lawmate Posted January 11, 2010 Share Posted January 11, 2010 Hi there I have a model of a seat that i created by editing a mesh and then adding a MeshSmooth modifier onto it. The MeshSmooth is set to NURMS output and it works well. The problem is that I want to convert it into a NURBS model so I can export it to IGES. I have found I can do it by converting it to an editable patch and then to a NURBS model but with my very simple shape object and the MeshSmooth iterations set to 2, it took 30 minutes to do and wasn't especially smooth. Although it did have a hugely excessive amount of edges. Does anyone know if there's a way of converting directly from NURMS to NURBS. Maybe using MeshSmooth is the wrong way to go about it? Any help greatly appreciated Laurence Quote Link to comment Share on other sites More sharing options...
Cad64 Posted January 11, 2010 Share Posted January 11, 2010 I would remove the MeshSmooth modifier before converting to Nurbs. Quote Link to comment Share on other sites More sharing options...
Lawmate Posted January 11, 2010 Author Share Posted January 11, 2010 Hi Thanks for the reply. I have tried removing the MeshSmooth and converting it to NURBS, by converting it to an editable Patch and then to NURBS. However, when I do this not only is the object jagged and blocky but it has a totally excessive amount of edges. The reason I was trying to convert it to NURBS from NURMS was so that it could retain the small amount of data. I guess when I convert it to a Patch it gains a large amount of data. It is probably easier just to trace over the original MeshSmooth object using NURBS, but it does seem a little silly that you can't easily convert between the two, because as I understand it, they rely on pretty similar algorithms. Anyway thanks a lot Laurence Quote Link to comment Share on other sites More sharing options...
Cad64 Posted January 11, 2010 Share Posted January 11, 2010 Well, I don't think you can convert directly to Nurbs. The way you're doing it is correct. Convert to Editable Patch Convert to NURBS Export as IGES The conversion process just takes a really long time. Do you really need an Iges file though? Or could you use .obj or .3ds? Or what about .stl? Quote Link to comment Share on other sites More sharing options...
Lawmate Posted January 11, 2010 Author Share Posted January 11, 2010 Hi Yeah I have settled for doing it the long way with only 1 iteration of the MeshSmooth. It doesn't look that good but I can work with it. The reason I want it in IGES is so I can import it into Autodesk Inventor. I have tried an Inventor add on to import .3ds files but it kept crashing when I tried. I don't know about .obj and I thought .stl files were the same as .igs but without material data. Anyway thanks for the replies Quote Link to comment Share on other sites More sharing options...
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