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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 4114×

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applies to: Inventor ·

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