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CAD tip CAD tip # 9630:

Question CAD 
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Q - question

Inventor trick - conditional parameters (without iLogic)

A - answer 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
100% *  CAD 
8.1.2014    7098×  
applies to: Inventor ·

See also:
Tip 12638:How to use conditional parameter values in Fusion 360?
Tip 12508:How to assign an expression (not value) to a user parameter with iLogic?
Tip 12392:Export unfolds of sheetmetal parts to DXF - parameters for iLogic and VBA
Tip 12046:Random shape and appearance of an Inventor part or assembly.
Tip 12024:How to create a custom iProperty or Parameter with iLogic?


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