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Virtual plane intersection point with an edge/curve intersection

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01-07-2019 03:16 AM

Hi,

Is there a way to get a virtual plane and its intersetion points with some edges/Cuvres?

I tried creating actual planes but it's too time consuming, so am looking for other faster alternative solution.

Has anyone tried implementing something similar?

8 REPLIES

Re: Virtual plane intersection point with an edge/curve intersection

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01-07-2019 05:46 AM

This is the simplest function for creating a plane.

int UF_MODL_create_plane

(

double origin_point [ 3 ] ,

double plane_normal [ 3 ] ,

tag_t * plane_tag

)

Suresh

Production: NX10.0.3 Developing: NX11.0.2.7, NX12.0.2, NX1847,

Development: C++, C# .Net, VB .Net, KF

Production: NX10.0.3 Developing: NX11.0.2.7, NX12.0.2, NX1847,

Development: C++, C# .Net, VB .Net, KF

Re: Virtual plane intersection point with an edge/curve intersection

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01-07-2019 09:58 AM

Re: Virtual plane intersection point with an edge/curve intersection

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01-07-2019 10:01 AM

If you haven't tried the suggested UF call, I would give it a go. This creates a very lightweight plane that is much quicker to create than a DatumPlane feature. It might be OK for you.

Lenovo ThinkPad W540, Win7, 16GB.Developing in: Java | C | KFProduction:[NX8.5.3.3 MP11 64bit]Testing:[NX12.0.2 MP1]

Re: Virtual plane intersection point with an edge/curve intersection

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01-08-2019 12:13 AM - edited 01-08-2019 12:15 AM

It sounds like your code will intersect the plane with several curves/edges. If so, then the time to create the plane will probably be far less than the time to do the intersections.

There really are no "virtual planes" in NX/Open. SNAP has a bunch of "Geom" objects, including **Snap.Geom.Surface.Plane** object, and creating one of these does not cause any interaction with the NX part file, so it's very fast.

yamada

Re: Virtual plane intersection point with an edge/curve intersection

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01-08-2019 03:05 AM

Thanks for the reply. Yes you are correct ultimately I have to find the intersection point between the plane and a set of edges. Do you have a suggestion for a quicker light weight solution in mind for it?

with respect to the SNAP API, I suppose we should have the SNAP license available to use this API, Right?

Thanks,

Kush

Re: Virtual plane intersection point with an edge/curve intersection

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01-08-2019 03:18 AM - edited 01-08-2019 03:21 AM

Yes, using the SNAP API requires a license. The price is low (I think), but it's not zero. There is a free subset called MiniSnap, but it doesn't include the intersection functions.

As far as I know, the quickest way to create a plane using NX/Open is the **UF_MODL_create_plane** function that @Technisites recommended.

But, again, I would expect plane creation to be much faster than the subsequent intersections. So, unless you have evidence to show that plane creation is taking up a large percentage of the time, I wouldn't worry about it.

yamada

Re: Virtual plane intersection point with an edge/curve intersection

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01-08-2019 03:28 AM

I guess for finding the intersections, the function UF_MODL_intersect_curve_to_plane will be much faster than other methods.

Suresh

Production: NX10.0.3 Developing: NX11.0.2.7, NX12.0.2, NX1847,

Development: C++, C# .Net, VB .Net, KF

Production: NX10.0.3 Developing: NX11.0.2.7, NX12.0.2, NX1847,

Development: C++, C# .Net, VB .Net, KF

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Re: Virtual plane intersection point with an edge/curve intersection

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01-08-2019 04:20 AM

@Yamada Yes I also think that finding the intersection points is taking more time then creating datum planes.

@Technisites Even I am using UF_MODL_intersect_curve_to_plane for finding intersection points between datum planes and curves.

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