Example netCDF programs

Below we provide links to some sample netCDF programs.

• Write a two-dimensional array of sample data that looks like simple_xy.cdl:
  • C: simple_xy_wr.c
  • Fortran 77: simple_xy_wr.f
  • Fortran 90: simple_xy_wr.f90
  • C++: simple_xy_wr.cpp
  • Java: Simple_xy_wr.java
  • Contributed: Python: simple_xy_wr.py, MATLAB: simple_xy_wr.m, Perl: simple_xy_wr.pl, IDL: simple_xy_wr.pro
  • Command-line: ncgen -b simple_xy.cdl
• Read data from the simple file written above:
  • C: simple_xy_rd.c
  • Fortran 77: simple_xy_rd.f
  • Fortran 90: simple_xy_rd.f90
  • C++: simple_xy_rd.cpp
  • Java: Simple_xy_rd.java
  • Contributed: Python: simple_xy_rd.py, MATLAB: simple_xy_rd.m, Perl: simple_xy_rd.pl, IDL: simple_xy_rd.pro
  • Command-line: ncdump simple_xy.nc
• Write some variables with units attributes and coordinate dimensions that will look like sfc_pres_temp.cdl:
  • C: sfc_pres_temp_wr.c
  • Fortran 77: sfc_pres_temp_wr.f
  • Fortran 90: sfc_pres_temp_wr.f90
  • C++: sfc_pres_temp_wr.cpp
  • Java: Sfc_pres_temp_wr.java
  • Contributed: Python: sfc_pres_temp_wr.py, MATLAB: sfc_pres_temp_wr.m, Perl: sfc_pres_temp_wr.pl, IDL: sfc_pres_temp_wr.pro
  • Command-line: ncgen -b sfc_pres_temp.cdl
• Read data variables and attributes from the file written above:
  • C: sfc_pres_temp_rd.c
  • Fortran 77: sfc_pres_temp_rd.f
  • Fortran 90: sfc_pres_temp_rd.f90
  • C++: sfc_pres_temp_rd.cpp
  • Java: Sfc_pres_temp_rd.java
  • Contributed: Python: sfc_pres_temp_rd.py, MATLAB: sfc_pres_temp_rd.m, Perl: sfc_pres_temp_rd.pl, IDL: sfc_pres_temp_rd.pro
  • Command-line: ncdump sfc_pres_temp.nc
• Write some four-dimensional variables using a record dimension in a file that will look like pres_temp_4D.cdl:
  • C: pres_temp_4D_wr.c
  • Fortran 77: pres_temp_4D_wr.f
  • Fortran 90: pres_temp_4D_wr.f90
  • C++: pres_temp_4D_wr.cpp
  • Java: Pres_temp_4D_wr.java
  • Contributed: Python: pres_temp_4D_wr.py, MATLAB: pres_temp_4D_wr.m, Perl: pres_temp_4D_wr.pl, IDL: pres_temp_4D_wr.pro
  • Command-line: ncgen -b pres_temp_4D.cdl
• Read from the variables in the file written above:
  • C: pres_temp_4D_rd.c
  • Fortran 77: pres_temp_4D_rd.f
  • Fortran 90: pres_temp_4D_rd.f90
  • C++: pres_temp_4D_rd.cpp
  • Java: Pres_temp_4D_rd.java
  • Contributed: Python: pres_temp_4D_rd.py, MATLAB: pres_temp_4D_rd.m, Perl: pres_temp_4D_rd.pl, IDL: pres_temp_4D_rd.pro
  • Command-line: ncdump pres_temp_4D.nc
• Test MATLAB native support for netCDF-4: nc4test.m
• Copy any netCDF classic or 64-bit offset file, using only the netCDF-3 API:
  • C: nccopy3.c
• Copy any netCDF file, using the netCDF-4 API:
  • C: nccopy4.c