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Hudson888, I like your statement "tantalisingly present and yet pratically absent" SDETERS, The image I posted is surface data I created in NX with holes and bumps in the surface geometry. Only for demsonstration of the shape to the forum. I could not post the actual stl geometry because it...

So the points dont have to be regular, they can be sporadically placed about the faceted body.

John, Are there any tutorials on the Rapid Surfacing feature. I have read about it in the documentation, but do not understand the tool, especially to apply it to what I am trying to do. I have since found how to fit a spline through the points. When I first accessed this feature...

I have recreated geometry to represent what I am trying to do. I can not post the actual geometry. I have got a faceted body that has holes and surface anomalies due to scanning. I want to recreate the surface that is smooth, but does not have to be exact, for machining. I know the geoemtry...

I think your technique is fine for creating relatively flat surfaces. I am trying to recreate an intake port in an engine. The shape is like a bent piece of tube.

Berserk, Thanks for your reply. Can you describe your technique of sections through curves some more. After outputting the smapled points, I tried a through points surface, which works relatively good. However, it uses every point which makes for a rough surface. Ps. NX 6.0.4.3

I am trying to reverse engineer some components that we have laser scanned. The laser scanned surface is a stl faceted body that I import into NX. Note, in some areas there are small holes, so the surface is not exactly complete. In NX I create some known features, i.e. planes and...

Thanks John, that explains it much better than the help files. You know I wish the help files would be better in general and provide more examples of all the functionality of the tools.

Can someone please provide an example of using the constraint faces option within a bridge curve To me the help file does not explain its use very well. Thanks NX 5.0.6.3

John, I agree. That would make sense just to continue with the area calculations and flag open sections. Thanks

I know doing a swept feature was much easier, however, I wanted to replicate the construction of my actual geometry which is much more elaborate with changing shape and area. Selecting the end caps would work so that I can get the feature to work correctly, then omit the bad results when doing...

I am not trying to keep the cross sectional area constant. My actual geometry is much more complicated than the demo and is created with a lot of sections/guides and thru curve mesh. At the end, I want to check the cross sectional area. Cowski, that is the error I get and i think it is...

Morans, You can create a boundary plane with the sectional curves, however, this is cumbersome when you need to check cross sectional area at a lot of locations. Section Inertia is like an automated way of doing it.

John, Attached is a file that we can discuss. Dont take too much notice of creation as I wanted to replicate my real geometry which is much more complex. For analysis, select outer surfaces and curve select central bridge curve. For distance specify 0.254in. It appears that the software uses...

I have geometry that can be simplified as being swept from one section to another with a guide string and now I would like to output the cross sectional area at regular intervals on planes normal to the guide string. I have tried to use the Section Inertia Feature, but it only outputs a number...

Ah ha. Got it. Until now I always thought Studio Splines inside the Sketcher were quite limited and non-associative and could not understand why the feature behaved differently to outside Sketcher tool. That helps alot. Thats John. As always, you come up with the goods.

John, Those 2 techniques are exactly what I was looking for. I was able to acomplish the variable surface using the variational sweep and specifying extra sections, however, I found this tool can be tempermental. Using your method with Angular Law based on Sketch is very similar to how I would...

I would like to sweep/rotate a single line about a circle, similar to a revolved sweep, only I want to vary the angle of the single line as I sweep around the circle, thus creating a variational sweep. I also want to control this angle with a law curve so that I can specify the angle at certain...

What is the best method to create a plane that is a best fit through a number of points. Currently, I am using the Surface from Point Cloud feature and specifying a U and V degree of 1. Then I place a plane on this surface. However, the Surface from Point Cloud is limited because you cannot...

Does anyone know how to customise the results view in NX 5 after doing an FEA. I am able to turn on/off the header and color bar but cannot control what is displayed in the hear information or set the color bar values to non-scientific. Also, is it possible to add a company logo. Thanks Bryan...