The Smooth button applies a one-time Gaussian noise reduction to the blend surface to help smooth out "wrinkles" or bumps that might occur in the initial blend or after interactive editing.
When this option is checked, the edge curves of the blend surface will be aligned to the NURBS boundary curves of the input surface. When the Auto-adjust Initial Seam and Orientation option is selected, when two surfaces closed in one direction are blended, the tool will find an initial seam adjustment and surface orientation that produces a good result.Īlign Boundary Edges applies only when an edge to be blended is a trimmed edge bordered by one or two untrimmed (NURBS boundary) edges. You may adjust the magnitude of the tangents at all isolines at once by moving the T1 and T2 Magnitude sliders on the tool options palette.įlip Edge Orientation will adjust the direction of an edge if the orientations of the blended ends do not match and the blend is twisted. The two arrows are adjusted independently, unless Synchronize Arrows is on, when they move and are adjusted simultaneously. To adjust the tangent magnitudes at a different isoline, click on the control point at the base of the arrow and slide the control along the connecting edge to the desired position. Adjusting the magnitude arrows will increase or decrease the magnitude of the tangent of the blend surface at the corresponding isoline, changing the shape of the blend. When the surface blend is created, two direction arrows corresponding to U or V isoline tangents will appear at the corner endpoints of the input surfaces.
The options G0 through G4 are as described for the Curve Blend tool. The desired geometric Continuity of the blend can be selected for each input surface from the choices in the drop down menus in the tool options palette. To create a surface blend, activate the N-Blend tool and click on the two surface edges to be blended. This tool creates a geometrically continuous blend between two NURBS surfaces. The NURBS Surface Blend tool options palette.
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