# Synopsis

PDX_MSGT gdx_CircleToNurbCurve(long option, int model, MDA_PTR db_ptr, void *gdx_cur)

# Purpose

Convert a GDX circle to a GDX NURB Curve circle.

# Description

Create a GDX quadratic Nurbs representation of a GDX full circle or circular arc. The representation consists of a sequence of arcs, pieced together using double knots. No arc sweeps more than 90 degrees.

# Input

## option

### GDX_COMMIT

Commit GDX entity to the database.

## model

The GDX model for entity creation.

## db_ptr

The GDX circle entity database pointer

# Output

## gdx_cur

Pointer to the created GDX NURB Curve circle.

# Return

GDX_NOERR