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 4938×

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applies to: Inventor ·

See also:
Tip 12828:	How to quickly delete 3rd party links to external objects in Inventor?
Tip 12743:	A change in iLogic processing of Excel tables since Inventor 2021.
Tip 12712:	How to set the option "Active Window on Save" through iLogic?
Tip 12697:	Opposite angle for angular dimensions in Inventor drawings (iLogic).
Tip 12644:	How to identify parts and assemblies imported from STEP/IGES?

Selected tip: How to display more points in point clouds attached to a DWG?

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