How to show STEP layers

Hi Guys,
I gave made a viewer using for STEP Model using Opencascade library. I want to provide different layers ON/OFF option to the user. I will use one layer for markup.
Can anybody tell me , is there any layer concept in STEP specification (like the DWG/DXF Autodesk files)? And if yes, how to access the layer's information of STEP Model using opencascade library.
Plz help me out.

Regards,
Nirban

Patrik Mueller's picture

Hi,

take a look at "StepCAFControl_Reader::ReadLayers" (SteCAFControl.cxx). I think it gives you an idea how to use the layer informations.

HTH,

Patrik