CAD tip # 9659:

Question

CAD
% platform category

iLogic: adjusting model parameters to match model volume or mass

You can use iLogic code to automatically adjust parameters of your Inventor model to yield a specific volume or mass of the model. You can use it in iteration loops without calculating the volume mathematically.

This is a concept - a sample code accessing and increasing the d1 parameter by 10% while checking the resulting Volume of the model (you can replace it with Mass):

ThisApplication.CommandManager.ControlDefinitions.Item("AppUpdateMassPropertiesCmd").Execute
myVolume = iProperties.Volume ' or Mass
MessageBox.Show("Volume before = " & myVolume, "iLogic")
d1 = Parameter("d1")
MessageBox.Show("d1 before = " & d1, "iLogic")
Parameter("d1")=d1 * 1.10
ThisDoc.Document.Rebuild()
d1 = Parameter("d1")
MessageBox.Show("d1 after = " & d1, "iLogic")
ThisApplication.CommandManager.ControlDefinitions.Item("AppUpdateMassPropertiesCmd").Execute
myVolume = iProperties.Volume ' or Mass
MessageBox.Show("Volume after = " & myVolume, "iLogic")

Inventor

* CAD

22.1.2014 6044×

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Inventor

Product Design Collection

applies to: Inventor ·

See also:
Tip 13852:	How to bulk-update all model parameters?
Tip 13836:	How to reset view numbering in Inventor?
Tip 13744:	Simple password protection of Inventor documents (iLogic).
Tip 13611:	BOM with multi-line items in Inventor.
Tip 13536:	iLogic: How to find if a document is a sheet metal part and if it contains holes?

Selected tip: How to run an external EXE program from AutoCAD?

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