Line data structure is one of the types of datum curves contained by the ProCurvedata structure. It consists of two endpoints in 3D model coordinates.

ProLinedataGet(), ProLinedataInit()

ProCurvedataAlloc(), ProCurvedataArrayFree(), ProCurvedataFree(), ProCurvedataMemoryFree(), ProCurvedataTypeGet()

ProGeomitemdataFree(), ProGeomitemdataGet()