# Synopsis

PDX_MSGT igdx_VertexListTo502(long option, MDA_PTR db_ptr, int model, MDA_APP_DATA *gdx_iges_app_data, MDA_PTR vertex_list_app_data[2])

# Purpose

Create the IGES form of the vertex list entity

# Description

Creates the IGES form of the vertex list entity as an IGES 502 Vertex list and the associated list of GDX vertex entities.

The GDX vertex entities must be valid GDX definitions.

# Input

## option

The entity creation option (Not used)

## db_ptr

The GDX first vertex entity database pointer

## model

The IGES vertex list entity model for creation

## gdx_iges_app_data

The GDX -> IGES entity associativity APP data

# Output

## vertex_list_app_data

The vertex list APP data for the current GDX vertex

# Tolerances

          ZERO_TOL
          .fi

# Return

          IGDX_NOERR
          IGDX_INVALIDMODEL
          Low level error return
          .fi