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Microsoft KB Archive/173625

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INFO: Tip for Rotating a Model Locally on All Three Axes

PSS ID Number: Q173625 Article last modified on 09-12-1997

IRIX:3.7; WINDOWS NT:3.7

IRIX NT WINDOWS

======================================================================

The information in this article applies to:

  • Softimage 3D for IRIX, version 3.7
  • == Softimage 3D for Windows NT, version 3.7 ==

SUMMARY

Traditionally, to rotate your model locally on all three axes you would have to create a hierarchy made up of three nulls. Each null would then have to represent the three different axes (Null 1 parent of Null 2, and so on, with the target model as the child at the bottom of the hierarchy).

An alternate method, that is quicker and more economical, is to position and orientation constrain (Constraint > Position and Constraint > Orientation) the target model to a 1 joint IK chain`s root Null.

Then, rotate the IK chain`s joint on any axis (while in ADD mode). The target model will now behave as if its rotations are local.

REFERENCES

SOFTIMAGE 3D Reference Guide: A to H, Appendices page 192.

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

Additional query words: si si3d si3dconst

Version : IRIX:3.7; WINDOWS NT:3.7 Platform : IRIX NT WINDOWS Issue type : kbinfo ============================================================================= Copyright Microsoft Corporation 1997.