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CAD tip CAD tip # 9359:

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Q - question

Different types of rounding in Inventor parameters.

A - answer You can use various mathemetical functions for your user parameters in Inventor 3D models and drawing dimensions. Ao. you can round the parameter values.

It is neccessary to keep proper units when processing parameters - supply unitless values to arithmetic functions. So if you e.g. need to calculate a user parameter as a rounded value of another parameter (dimension), with rounding to 2 decimal places, use:

round(d0 / 0.01 mm) * 0.01 mm

The parameter of the function round() is now unitless (originally a length) and the resulting value is converted back to a length value (mm, inches, etc.).

Similarly you can round the values to a different number of decimal places, to tens, hundreds, or also e.g. to multiples of 25mm segments:

round(d0 / 25 mm) * 25 mm

100% *  CAD 
25.7.2013    7562×  
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applies to: Inventor ·

See also:
Tip 11806:Higher precision for facetted round surfaces in STL export from Inventor.
Tip 11428:Differences in typed distance/offset values in Inventor sketches.
Tip 9248:Math functions in parameters of Inventor models.
Tip 8986:Material density as a custom iProperty in Inventor.
Tip 8228:What are the DWG blocks of the type ACAD_FREEWAY_COMPONENT?

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