# SUBSYSTEM OVERVIEW

IGES To/From GDX Conversion (IGDX) Subsystem

The IGDX subsystem converts the applicable IGES entities to GDX entities and GDX entities to IGES entities. Use the IGDX_NOOPT option for any unused option mask. The following functions get the defintion data for GDX and IGES entities:

igdx_GetGDXData

Get the GDX definition data of the IGES entity

igdx_GetIGESData

Get the IGES definition data of the GDX entity

See the manual pages for a description of the mappings between IGES and GDX.

# ENTITY ATTRIBUTES

The IGDX substem provides functions to transfer attributes between IGES and GDX Geometric entities.

The following functions are used in the attribute translation.

igdx_EntityDEToGDXAttributes

Creates GDX attribute entities for all Geometric entities in GDX Model

igdx_EntityDEToGDXAttributes

Creates GDX Attribute Entity from an IGES Geometric Entity

igdx_GDXAttrsToModelEntities

Update entities in the IGES model with GDX Attributes

igdx_GDXAttrsToEntityDE

Updates IGES entity with GDX Attributes

Please refer "ENTITY ATTRIBUTES" section of gdx_intro man page.