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None – Digitise as many cross section curves as you want. A surface is created which passes through every cross-section.
Central Spine – Digitise one guide rail, then multiple cross sections.
The command flows these cross sections automatically from their centres along the guide rail. This means that the original cross sections do not need to intersect with the guide rail, and that the surface does not have to pass through the cross section curves. However, the surface will pass through the central spine.
Profile – Chain the 2D profile (this must be a closed, single-entity profile, for example a continuous or an arc) and then as many cross sections as desired. The cross sections must intersect the profile at their endpoints.
Network – Digitise the curves in any order, or simply use the Window input option to select all of them. The curves must form a regular grid and must all intersect at their endpoints and cross points.
If all curves do not intersect within Tolerance, the command will ask you to digitise curves in order (do not use the Window input option). Once the surface has been created, the command displays a list of curves that were above Tolerance. The command creates the surface through the average of the curves.
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One
Side – Digitise a single guide rail. |
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Both Sides – Digitise a guide rail on either side of the cross section curves.
The two guide rails must intersect with the endpoints of the cross section curves, to within the specified Tolerance.
