Compute points on a edge using A3DCrvEvaluate
https://docs.techsoft3d.com/exchange/latest/buildapi/group__a3d__evaluate.html#ga53f9316c228c21616f257acbae36bcf0
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A3DSDKAdvancedTools_8h.html?highlight=a3dcrvevaluate#_CPPv414A3DCrvEvaluatePK10A3DCrvBase9A3DDouble8A3DUns32P15A3DVector3dData
For the full code, check out our forum.