# SubD to Nurbs G0 continuity problem

**URL:** <https://discourse.mcneel.com/t/subd-to-nurbs-g0-continuity-problem/101540>\
**Category:** SubD\
**Tags:** subd\
**Created:** [May 6, 2020, 9:11am UTC](https://discourse.mcneel.com/t/subd-to-nurbs-g0-continuity-problem/101540 "2020-05-06T09:11:46Z")\
**Posts on this page:** 1\
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**Author:** ![Helvetosaur](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/helvetosaur/32/635974_2.png) [@Helvetosaur](https://discourse.mcneel.com/u/Helvetosaur)\
**Post date:** [May 6, 2020, 9:25am UTC](https://discourse.mcneel.com/t/subd-to-nurbs-g0-continuity-problem/101540/4 "2020-05-06T09:25:15Z")

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> [@davide76](#):
>
> C0

‘Cx’ an also be used to describe continuity - in fact it seems to be more prevalent than ‘Gx’ in most places. Even in RhinoCommon… But as far as I know, they are not quite the same, there are subtle mathematical definition differences.

[https://developer.rhino3d.com/api/RhinoCommon/html/T\_Rhino\_Geometry\_Continuity.htm](https://developer.rhino3d.com/api/RhinoCommon/html/T_Rhino_Geometry_Continuity.htm)

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