CAD tip # 9630:

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Inventor trick - conditional parameters (without iLogic)

Even without iLogic you can use a math trick in Inventor to set a parameter value based on a logical condition, depending on the value of another parameter.

Strictly speaking it is not about a logical condition, but rather about testing of divisibility by two, using the standard arithmetic operator modulo (%):

The expression:

v%2

returns 1 for odd values of v

and the expression:

(v+1)%2

returns 1 for even values of the parameter v.

By combining these two expressions you can form a "logical" conditional statement, which evaluates to H1 for odd values of v and to H2 for even values of v:

(v%2)*H1+((v+1)%2)*H2

Analogically you can extend this method also for other values but the resulting expression may get complicated fast.

Inventor

* CAD

8.1.2014 10558×

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applies to: Inventor ·

See also:
Tip 13852:	How to bulk-update all model parameters?
Tip 13819:	Position and docking of the Measure palette in Inventor 2024.
Tip 13744:	Simple password protection of Inventor documents (iLogic).
Tip 13197:	How to transfer a model or sketch parameter to iProperties?
Tip 12671:	Import Excel table by snapping a photo of it.

Selected tip: Cannot multi-select polyline vertices above a raster image.

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