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Reshape a curve or surface manually
Editing NURBS
Align surface edges
Align a curve with a curve or surface
Make
a curve tangent or curvature continuous with a surface
- Select
the surface and then the curve.
- Select
Edit Curves > Project Tangent > .
- Set Construction to Tangent or Curvature.
- Click Project.
Select the project tangent node and click the Show Manipulator
tool to manipulate curvature scale, tangent scale, or
tangent rotation.
To make a curve tangent or curvature continuous
with a curve intersection
- Choose
Edit Curves > Project Tangent > .
- Click
the curve or surface edge you want to modify, near the end which
intersects the surface.
- Click
two intersecting curves that define a plane.
To make a curve tangent or curvature continuous
with another curve
- Make
sure the endpoint of the curve you want to make tangent intersects
the curves that define the plane.
- Select
the curve you want to reshape first, then select the other curves.
The projected tangent is based on the key curve
(the curve you select last, highlighted in green).
- Select
Edit Curves > Project Tangent > .
- Set Construction to Tangent or Curvature.
- Click Project.
Edit a project tangent action
- Select
the project tangent node and click the Show Manipulator tool to
manipulate curvature scale, tangent scale, or tangent rotation.
To align the ends of two curves
- Select
the points on the curves (or isoparms) where you want to align the
curves.
- Select
Edit Curves > Align Curves.
TipWhen construction history is on, you can
select the align node and use the Show Manipulator tool to
edit the tangent scale and curve points.
What if...?
I can’t
project tangents at both ends of a curve?
- The
project tangent action “takes over” a few CVs at the end of the
curve to maintain continuity. If there aren’t enough interior CVs
to avoid overlap, you can’t use project tangent at both ends. Try
inserting edit points to increase the number of CVs on the curve.