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Bonus tolerance from features.

Somethingidc
I have a 5 sided square slot. The top is the open side. The print calls for a mmc position tolerance on the pocket/slot I am referencing however the program I am using has the position programmed as two opposing sets of planes, each set has a midpoint constructed between them and the position is applied to the point.

How do I construct the pocket as it's own complete feature (all 5 sides of the square, with the top open) and allow for the size of that feature to apply itself to the bonus tolerance of the position of the feature?​
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  • In current versions of PC-DMIS, you can use those planes to create 'width' features which will enable you to use Xact or Geotol reporting to obtain the feature bonus in a position report.
    In versions of PC-DMIS where 'width' is not an option, it was common practice to create a generic circle, assign the midpoint Theo XYZ/IJK and Measured XYZ/IJK appropriately then input the distance between planes as your diameter value. Report using legacy output with 'MMC' on.

    I'm not sure you can obtain any MMB for your polygon if it were constructed into a feature set, but that should be useable as a datum feature in an alignment or datum definition.
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  • In current versions of PC-DMIS, you can use those planes to create 'width' features which will enable you to use Xact or Geotol reporting to obtain the feature bonus in a position report.
    In versions of PC-DMIS where 'width' is not an option, it was common practice to create a generic circle, assign the midpoint Theo XYZ/IJK and Measured XYZ/IJK appropriately then input the distance between planes as your diameter value. Report using legacy output with 'MMC' on.

    I'm not sure you can obtain any MMB for your polygon if it were constructed into a feature set, but that should be useable as a datum feature in an alignment or datum definition.
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