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NETCDF_MPAS
Read MPAS NETCDF Grid Data {#netcdf_mpas-read-mpas-netcdf-grid-data align="center"}

NETCDF_MPAS is a C library which reads an MPAS NETCDF grid file.

Licensing: {#licensing align="center"}

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages: {#languages align="center"}

NETCDF_MPAS is available in a C++ version and a MATLAB version.

Related Programs: {#related-programs align="center"}

CDL, a data directory which contains examples of CDL files, a text version of NETCDF files created by the NCDUMP program;

GFD2, a dataset directory which contains geophysical data, stored in NETCDF format.

MPAS_GRID_DISPLAY, MATLAB programs which can read an MPAS NETCDF grid file and display the primary polygonal mesh or the dual triangular mesh.

NETCDF, a data directory which contains examples of NETCDF files, a format for the interchange of scientific data.

NETCDF_MPAS, a data directory which contains examples of MPAS grid data stored as NETCDF files.

Reference: {#reference align="center"}

  1. The MPAS home page, http://mpas-dev.github.io.
  2. Russ Rew, Glenn Davis, Steve Emmerson, Harvey Davies, Ed Hartne,
    The NetCDF User's Guide,
    Unidata Program Center, March 2009,
    netcdf.pdf,
  3. Todd Ringler, John Thuburn, Joseph Klemp, William Skamarock,
    A unified approach to energy conservation and potential vorticity dynamics for arbitrarily-structured C-grids,
    Journal of Computational Physics,
    Volume 229, Number 9, 1 May 2010, pages 3065-3090.

Source Code: {#source-code align="center"}

Examples and Tests: {#examples-and-tests align="center"}

X1.642.GRID is a dataset of 642 cells used by the example.

  • x1.642.grid.nc, an MPAS grid file for a mesh on the sphere, using 642 nodes, 1280 vertices, 1920 edges.
  • x1.642.grid.header, a text printout of the header information in the file, created by the command "ncdump -h x1.642.grid.nc > x1.642.grid.header"

List of Routines: {#list-of-routines align="center"}

  • NETCDF_MPAS_READ_CELLS gets the cell center coordinates.
  • NETCDF_MPAS_READ_CELLSONEDGE gets the cellsOnEdge information.
  • NETCDF_MPAS_READ_CELLSONVERTEX gets the cellsOnVertex information.
  • NETCDF_MPAS_READ_MAXEDGES gets MAXEDGES.
  • NETCDF_MPAS_READ_NCELLS gets the number of cells.
  • NETCDF_MPAS_READ_NEDGES gets the number of edges.
  • NETCDF_MPAS_READ_NEDGESONCELLS gets nedgesOnCells.
  • NETCDF_MPAS_READ_NVERTICES gets the number of vertices.
  • NETCDF_MPAS_READ_VERTICESONCELLS gets verticesOnCells.
  • NETCDF_MPAS_READ_CELLS gets the cell center coordinates.
  • NETCDF_MPAS_REPORT reads an MPAS NETCDF grid file and reports.
  • TIMESTAMP prints the current YMDHMS date as a time stamp.

You can go up one level to the C++ source codes.

Last revised on 01 January 2010.