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Re: How do you extend a surface while maintaining the surface curvature?
Dwight/Roland,
Thanks for your responses, but I guess I should have also added that the surface is imported from CATIA V5. Today I used both extend and untrim surface commands and in both cases I did not get the same results from SW as I would have gotten from CATIA. The surface is a compound bent surface and I'm trying to add 6 more inches with little or no success.
Richard
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Re: How do you extend a surface while maintaining the surface curvature?
Part of the problem is that the export probably truncated the underlying surface data. In the native format, all of the original surface definition will remain even if the surface is trimmed back from its original definition. That extra data is often lost when the surface is exported. When SW tries to extend such an imported surface, it can only guess.
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Re: How do you extend a surface while maintaining the surface curvature?
As Dwight mentions, the extend function extends, by default, curvature continuous (natural) or if you want only C1 then use the tangent option. Untrim only recovers the original boundary of the topology, but in some cases will give you want you want.
Mark
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Re: How do you extend a surface while maintaining the surface curvature?
Mark,
Do you know if SW 2016 has more surfacing commands then just 3?
Richard
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Re: How do you extend a surface while maintaining the surface curvature?
I have not actively used SW2016 yet. As far a I recall there are not new surfacing commands, just improvements to existing ones. Perhaps the best new feature that (I think) I saw is the ability to reverse offset of a converted entity. Doesn't sound like a big deal but believe me it has been a major pain-in-the-neck not to do this for the past 19 years.
Mark
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Re: How do you extend a surface while maintaining the surface curvature?
Mark,
Thanks for the update. I will keep it in mind when we decide which CAD package we plan to go with.
Regards,
Richard
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