https://dev.opencascade.org/doc/occt-7.0.0/refman/html/class_step_dim_tol___datum_target.html
StepDimTol_DatumTarget Class Reference - Open CASCADE Technology Documentation
StepDimTol_DatumTarget Class Reference - documentation, user manuals, examples, Open CASCADE Technology
open cascade technologyclass referencedocumentation
https://dev.opencascade.org/doc/refman/html/_step_dim_tol___projected_zone_definition_8hxx.html
Open CASCADE Technology Reference Manual: StepDimTol_ProjectedZoneDefinition.hxx File Reference
open cascade technologyreference manualhxxfile