This page allows the user to select the surface type, i.e. the mathematical description of the surface. After selecting the surface type, enter any additional data required for that surface. The Trimming Volume is independent of the size and shape parameters entered on the Surface page and can be specified on the Aperture tab of the surface dialog. The Trimming Volume settings will need to be adjusted to appropriately size the surface.
This feature can be accessed by selecting the Surface tab and choosing a surface type from the Type list menu in a surface dialog box.
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