# \#topology

**URL:** https://forum.techsoft3d.com/tag/topology/14.md

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## [How to associate A3DTessFaceData with its A3DTopoFaceData in HOOPS Exchange efficiently?](https://forum.techsoft3d.com/t/how-to-associate-a3dtessfacedata-with-its-a3dtopofacedata-in-hoops-exchange-efficiently/4914)

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**Author:** [@way1632023](https://forum.techsoft3d.com/u/way1632023)\
**Replies:** 0\
**Last updated:** [September 24, 2025, 9:49am UTC](https://forum.techsoft3d.com/t/how-to-associate-a3dtessfacedata-with-its-a3dtopofacedata-in-hoops-exchange-efficiently/4914 "2025-09-24T09:49:43Z")

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Is there a specific function that can directly associate a face’s tessellation data (A3DTessFaceData) with its topological face data (A3DTopoFaceData)? I have observed that the tessellation data (A3DTessBase\*) comes fro…

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## [Make use of Topology from Exchange imported data : select neighbouring faces](https://forum.techsoft3d.com/t/make-use-of-topology-from-exchange-imported-data-select-neighbouring-faces/1050)

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**Author:** [@florian](https://forum.techsoft3d.com/u/florian)\
**Replies:** 3\
**Last updated:** [October 31, 2022, 1:27pm UTC](https://forum.techsoft3d.com/t/make-use-of-topology-from-exchange-imported-data-select-neighbouring-faces/1050 "2022-10-31T13:27:38Z")

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Hi, here is a quick tip for you to learn: what is topology how to make use of it within Visualize some ideas to go beyond Topology: In CAD, topology represents structure of a solid and relationship between faces and …