CGNS file name etc.
---------------------

"CGNS file name" and "Calculation result in CGNS file" is used together.

Widget to select CGNS file name can be created with valueType attribute "cgns_filename".

Widget to select calculation result in CGNS file can be created with valueType attribute "result_gridNodeReal" etc., and 
cgnsFile attribute that refers the name of "CGNS file name" widget.

.. code-block:: xml
   :caption: Example of a CGNS file name and Calculation result in CGNS
   :name: widget_example_cgns_def
   :linenos:

   <Item name="input_file" caption="CGNS file for input">
     <Definition valueType="cgns_filename" />
   </Item>
   <Item name="result_to_read" caption="Calculation result to read">
     <Definition valueType="result_gridNodeReal" cgnsFile="input_file" />
   </Item>

.. _widget_example_cgns:

.. figure:: images/widget_example_cgns.png
   :width: 350pt

   Widget example of CGNS file name and Calculation result in CGNS

.. code-block:: fortran
   :caption: Code example to load CGNS file name and Calculation result in CGNS (for calculation conditions and grid generating conditions)
   :name: widget_example_cgns_load_calccond
   :linenos:

   integer:: ier
   character(200):: cgnsName, resultName

   call cg_iric_read_string_f("input_file", cgnsName, ier)
   call cg_iric_read_string_f("result_to_read", resultName, ier)

.. code-block:: fortran
   :caption: Code example to load CGNS file name and Calculation result in CGNS (for boundary condition)
   :name: widget_example_cgns_load_bcond
   :linenos:

   integer:: ier
   character(200):: cgnsName, resultName

   call cg_iric_read_bc_string_f("inflow", 1, "input_file", cgnsName, ier)
   call cg_iric_read_bc_string_f("inflow", 1, "result_to_read", resultName, ier)