.. _iriclib_open_cgns:

Opening a CGNS file
======================

Open a CGNS file, read it in and make it into a writable state.
The subroutine is defined in cgnslib.

.. list-table:: Subroutine to use
   :header-rows: 1

   * - Subroutine
     - Remarks
   * - cg_open_f
     - Opens a CGNS file