Extending Curves to Limiting Entities

In this example you will extend to curves to some limiting entities using the Extend Curve command. Open file "mc_01_08. e3 e2". The following will be displayed:


 

1	Start the Extend Curve command.
2	In the Mode drop-down list, select the Boundary option.
3	Click on the curves you want to extend (the two circular arcs in the following illustration): Unless you have deselected the Ask before converting check box, you are asked to confirm the conversion into NURBS.
4	End selection by right-clicking and choosing Continue in the context menu.
5	Click on the limit entity (the vertical segment on the left):
6	Depending on your Continuity By: option, you will get one of the following previews:   First derivative Second derivative Third derivative
7	After selecting the proper Continuity By:, click to actually extend the curves.