Microsoft Knowledge Base

How to Pierce 3D Models with NURBS Curves

Last reviewed: September 3, 1996
Article ID: Q153878
The information in this article applies to:
  • Softimage 3D for IRIX, version 3.50

SUMMARY

When you want to pierce a 3D model in Softimage 3D, you have to use NURBS curves.

Here is an example to illustrate this function:

  1. In the Model module, use the Get->Primitive->Sphere function. You can select any kind of curve (Linear, Cubic, Quadratic, or NURBS) for your primitive sphere. This is the model you want to pierce.

  2. Use the Draw->Curve->NURBS function to draw on your model, and use the Draw->Open/Close function to complete the hole on the surface of your model. You need to draw a hole only on one side of the model.

  3. Select the model.

  4. Use the Draw->Trim function on the NURBS Surface.

  5. Click anywhere on the circumference of the hole you have drawn with NURBS curves.

  6. In the Trim NURBS Surface pop-up menu, select the axis on which you wish to pierce the model (x, y, z, or User direction), select the Remove option under Operation, and click OK.

The model is pierced through on the axis you specified.

REFERENCES

"Softimage 3D Reference Guide: A to H," Interface, pages 322-324

If you have any questions concerning the information contained in this article, contact support@softimage.com by e-mail.

NOTE: Softimage Inc. is a wholly owned subsidiary of Microsoft Corporation.


Additional reference words: 3.50
KBCategory: kbgraphic kbhowto
KBSubcategory: si si3d si3dmo



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Last reviewed: September 3, 1996
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