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Table Of Contents
550 | Chapter 19 Creating and Editing Surfaces
Selecting the arcs in different order changes the surface normal.
5 Use the Extents option of
ZOOM to redisplay all of the wireframes and select
the object for the next exercise.
In the next exercise, you surface polylines. A surface follows a spline exactly
but approximates the polyline by a curve. The Polyline Fit default setting of
150 maintains all corners less than 150 degrees as sharp corners. In such
cases, multiple surfaces are created.
To surface polylines with sharp corners
1 Use the Mechanical Options dialog box to adjust the Polyline Fit settings:
Desktop Menu Surface Surface Options
Choose the Surfaces tab and then choose Polyline Fit.
2 In the Polyline Fit dialog box, change the angle setting to 0 and change the
length setting to inf (infinity) or a specific length longer than the longest line
segment.
surface
normal