Surface Fit is to approximating a surface by select a point cloud or a set of triangles/quards. Click View, Geom Surface to toggle the display of individual surface.
To open Fit from Pnts/Mesh surface:
Click Fit from Pnts/Mesh (Surface toolbar) or click Geometry, Surface,Fit from Pnts/Mesh.
To fit surface from pnts/mesh,
1. Select source type: By Points or By Mesh.
2. Define number of U, V control points and degrees, maximum and average tolerance, smoothness.
3. If select "By Points", there provides a reference plane, it's normal is dx,dy and dz, you can modify this normal to refit the surface.
a. select nodes by part |
b.fit surface by points |
a. select elements by part |
b.fit surface by mesh |