Supported STEP AP 202 Classes
The interface for STEP provides Level 1 support (file transfer) for the AP202, Associative Drafting including 10 classes. The following table describes the conformance classes that the interface for STEP supports.
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The interface for STEP supports all the classes listed during import; however, only classes 1 and 8 are supported for export.
Class
Description
1
Drawing structure and administration plus the presentation of annotation on drawing sheets without views
2
Drawing structure and administration plus the presentation of views depicting the shape, represented by geometrically bounded 2D wireframe models, of one or more products on drawing sheets
3
Drawing structure and administration plus the presentation of views depicting the shape, represented by 2D wireframe models with topology, of one or more products on drawing sheets
4
Drawing structure and administration plus the presentation of views depicting the shape, represented by geometrically bounded 3D wireframe and/or surface models, of one or more products on drawing sheets
5
Drawing structure and administration plus the presentation of views depicting the shape, represented by 3D wireframe models with topology, of one or more products on drawing sheets
8
Drawing structure and administration plus the presentation of views depicting the shape, represented by advanced B-reps models, of one or more products on drawing sheets
9
Drawing structure and administration plus the presentation of views depicting the shape, represented by manifold surface models with topology, of one or more products on drawing sheets
10
Class 2 and the association between dimensions, drafting callouts, and fill area boundaries and their respective target product shape geometry or annotation