Creating Surfaces with Power Fit

Power Fit creates a Power Fit featurized surface.

  1. Select one cloud of points or one mesh or a portion of these.
  2. If working in datum mode, activate a portion of the cloud or the mesh.
  3. Select the curves that form the outer boundary.
  4. To add a support surface to a curve, do one of the following.

    The curve must lie completely on the surface you select.

    • In the previous step, select a curve that has a support surface.
    • Click a surface just after having selected the curve.
    • Select a curve in the list, and click a surface in the work area.
  5. To improve the result surface, especially in rounded areas, select an Init Surface, larger than the domain to process.

    If you do not select an init surface, Power Fit computes one in the direction of the largest curve.

  6. Optional: Use the context menu of a selected element or a column to remove an item.
  7. To swap between a tangent and a point continuity, do one of the following.
    1. In the Continuity column, right-click the continuity information and select Swap.
    2. In the work area, click a continuity symbol.
    3. Right-click a continuity symbol and select the required menu item.
  8. Click Add New Boundary in the Inner Boundaries tab and select curves as explained above. Repeat as required.

    Tip: Information in the work area corresponds to the current tab (Outer Boundary or Inner Boundaries) and the current inner boundary.

  9. Use Previous and Next to navigate between inner boundaries, or select its number with the spinner.
  10. In the Parameters tab, select a computation method.
  11. Enter the parameters values.
  12. For noisy clouds of points, select the Radius check box and specify the radius.

    When the cloud of points is noisy, it is difficult to have the surface going through all the points and the curves (risk of undulations). The by-pass is to delete points inside a circular pipe centered on the curve, within a given radius.

  13. If relevant, select the Extrapolation check box, and define the extrapolation of the surface with the slider.
  14. Key in the Order and Segments of the resulting surface in the Standard tab.
  15. Optional: In the Advanced tab, enter the order in U and V and the number of segments.
  16. Check the deviations in the Results/Display tab.
  17. Select display options.

 

See Also
More help on this topic
About Power Fit
About Order and Segments