# How to hide nodes of kA3DTypeRiCoordinateSystem type using Exchange？

**URL:** <https://forum.techsoft3d.com/t/how-to-hide-nodes-of-ka3dtypericoordinatesystem-type-using-exchange/5019>\
**Category:** HOOPS Exchange\
**Tags:** how-to\
**Created:** [December 2, 2025, 6:36am UTC](https://forum.techsoft3d.com/t/how-to-hide-nodes-of-ka3dtypericoordinatesystem-type-using-exchange/5019 "2025-12-02T06:36:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![502815549](https://avatars.discourse-cdn.com/v4/letter/5/4da419/32.png) [@502815549](https://forum.techsoft3d.com/u/502815549)\
**Post date:** [December 2, 2025, 6:36am UTC](https://forum.techsoft3d.com/t/how-to-hide-nodes-of-ka3dtypericoordinatesystem-type-using-exchange/5019/1 "2025-12-02T06:36:51Z")

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In Exchange, How to hide nodes of kA3DTypeRiCoordinateSystem type

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**Author:** ![Man](https://avatars.discourse-cdn.com/v4/letter/m/f17d59/32.png) [@Man](https://forum.techsoft3d.com/u/Man)\
**Post date:** [December 4, 2025, 3:46pm UTC](https://forum.techsoft3d.com/t/how-to-hide-nodes-of-ka3dtypericoordinatesystem-type-using-exchange/5019/2 "2025-12-04T15:46:52Z")

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Hello @502815549

For coordinate systems (datum axes), you can use [m\_bReadConstructionAndReferences](https://docs.techsoft3d.com/hoops/exchange/api/c/structures/A3DRWParamsGeneralData.html#c.A3DRWParamsGeneralData.m_bReadConstructionAndReferences) to control whether to import them.

Best Regards,  
Man