# Synopsis

PDX_MSGT gdx_TransformSurface(long option, MDA_PTR db_ptr, GDX_MATRIX matrix)

# Purpose

Transforms a GDX surface entity

# Description

Transforms a GDX surface entity in the GDX model. The GDX surface entity must be a valid GDX defintion.

# Input

## option

Not used

## db_ptr

The GDX surface entity database pointer

## matrix

The matrix to apply to the GDX entity (3X4 as a linear array of values)

# Return

          GDX_NOERR
          GDX_ENTITYNOTSURFACE
          Low level error return
          .fi