These parameters are contained on a single rollout at the top level of a NURBS object.
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Select a NURBS object. >
Modify panel > Display Line Parameters rollout
Interface
- U Lines and V Lines
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The number of lines used to approximate the NURBS surface in viewports, along the surface's local U and V dimensions, respectively. Reducing these values can speed up the display of the surface, but reduce accuracy of the display. Increasing these values increases accuracy at the expense of time. Setting one of these values to 0 displays only the edge of the object in the corresponding dimension.
Iso and mesh displays of a NURBS teapot
- Iso Only
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When chosen, all viewports display iso line representations of the surface. Iso(parametric) lines are similar to contour lines. The lines show where the NURBS surface has a constant U value or V value or both. Iso line representations can be less crowded and easier to visualize than wire mesh representations.
- Iso and Mesh
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(The default.) When chosen, wireframe viewports display iso line representations of the surface, and shaded viewports display the shaded surface.
- Mesh Only
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When chosen, wireframe viewports display the surface as a wire mesh, and shaded viewports display the shaded surface. In wireframe viewports, this option lets you see the surface approximation used for viewports.