STEP modules

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Under construction.

This pages intends to provide an overview of the many hundred of modules of STEP.

Modules are categorized by their content:

  • W - wrapper modules which only pick up some entities from an IR or represent an AIC as a whole
  • S - specialization modules, adding further semantic on top of the entities given in an IR
  • G - grouping modules which only combine one or more other modules and extending selects, but not further adding additional semantic constructs.
  • I - implementation modules. They are like the grouping modules above and provide a long form for easier implementation.
  • i - another form of implementation modules defining a conformance class without being intended to have a long form schema

Contents

Generic foundation modules

These modules define generic supertypes which needs further specialization before they can be implemented.

ISO 10303- Title Year Ed Cat Content Comment
1017Product_identification20041WIR41: product, product_related_product_categorySee subtypes of product for clear semantics
1018Product_version20041WIR41: product_definition_formationThe ARM Product_version tries to define a specific semantic (Version) while the MIM is generic and there are no further constraints to cover the ARM semantic
1019Product_view_definition20062WIR 41: product_definition, product_definition_context, product_definition_context_associationMakes clear what is the intial and what are the additional contexts for a Product_view_definition

Geometry

ISO 10303- Title Year Ed Cat Content Comment
1004Elemental_geometric_shape20063WIR41: shape_representation, shape_representation_relationship IR42: cartesian_point, direction, axis2_placement_2d, axis2_placement_3d, geometric_representation_context, geometric_representation_item, cartesian_transformation_operator_2d, _3d; IR43: item_defined_transformation, value_representation_item
1652Basic_geometry20061WIR42: plane, point_on_curve, curve, line, point_on_surface, degenerate_pcurve, surface, oriented_surfaceNot every AP and implementation using this module is able to work with point_on_curve, point_on_surface and degenerate_pcurve. So these things are still somehow generic.
1667Extended_basic_geometry20061WIR42: mapped_item, representation_item_relationship, representation_map, representation_relationship_with_transformation, transformation, vector
1510Geometrically_bounded_wireframe20041WAIC510
1502Shell_based_wireframe20041WAIC502
1502Edge_based_wireframe20041WAIC501
1507Geometrically_bounded_surface20041WAIC507
1511Topologically_bounded_surface20041WAIC511, advanced_face
1509Manifold_surface20041WAIC509
1702Manifold_subsurface20061WAIC520
1514Advanced_boundary_representation2041WAIC514
1512Faceted_boundary_representation20041WAIC512
1068Constructive_solid_geometry_3d20041WAIC514
1068Constructive_solid_geometry_3d20041SIR42: boolean_result, csg_solid, elliptic_area, polygonal_area, rectangular_area, half_space_2d, primitive_2d, composite_curve
1659Curve_swept_solid20061WAIC523
xxxxModified_swept_solid2007DWIR42: solid_model; IR111:revolved_face_solid_with_trim_conditions, extruded_face_solid_with_trim_conditions, extruded_face_solid_with_draft_angle, extruded_face_solid_with_multiple_draft_angles, trim_condition_select, trim_intent
xxxxSwept_solid2007DWIR42: axis1_placement, plane, swept_face_solid, revolved_face_solid, extruded_face_solid, face_surface, ...
xxxxSolid_with_local_modification2007DWIR111: - many -
xxxxThickened_face_solid2007DWIR111: thickened_face_solid
1651 basic_curve, maybe needed for history or parametric?
xxxxCompound_shape_representation (or _model) for non-manifold representations, taken from AP214.
xxxxNon_manifold_surface
1039Geometric_validation_property_representation

General Presentation

ISO 10303- Title Year Ed Cat Content Comment
1132Associative_text
1009Shape_appearance_layers
xxxxMechanical_design_geometric_presentation

GD&T representation and presentation

ISO 10303- Title Year Ed Cat Content Comment
1050Dimension_tolerance
1051Geometric_tolerance
1052Default_tolerance
1362Dimension_and_tolerance_callouts

Basic PDM

ISO 10303- Title Year Ed Cat Content Comment

Product Structure

ISO 10303- Title Year Ed Cat Content Comment
1345Item_definition_structure 1112Specification_control

Composites

ISO 10303- Title Year Ed Cat Content Comment
xxxComposite_material_structures_and_properties
  • 1628 Design_product_data_management
  • 1113 Group
  • 1164 Product_as_individual
  • xxxx Product_as_individual_assembly
  • 1228 Representation_with_uncertainty
  • xxxx Single_part_with_unspecified_geometric_model
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