Autodesk 663B1-05A111-1001 User Guide - Page 279

12 | Basics Menus Reference > Modify > Convert > NURBS to Polygons 3D Delta default value 0.1. 3D Delta value changed to 1.0 General Set the Tessellation Method to General to display the following options. Setting the initial tessellation controls Unless Use Chord Height or Use Chord Height Ratio is turned on, a uniform tessellation is performed. Each span/surface is split into a number of polygons depending on the Number U and V values you set. U Type/V Type The U Type and V Type pop-up menu items let you specify whether you want to split the surface based on where the spans are (then split each span), or based on the parameterization of the whole surface. Per Surf U value = 3 Per Surf U value = 20 Number U/Number V Each span or surface is split into the number of polygons you specify here. Basics 279