Commit 9948e509 authored by Uwe Schulzweida's avatar Uwe Schulzweida
Browse files

added example/cdi_write_point.c

parent 20edaec7
......@@ -119,6 +119,7 @@ examples/cdi_write_ens.c -text
examples/cdi_write_f.f -text
examples/cdi_write_f2003.f90 -text
examples/cdi_write_hybrid.c -text
examples/cdi_write_point.c -text
examples/cdi_write_reset.c -text
examples/compf -text
examples/pio/Makefile.am -text
......
#include <stdio.h>
#include "cdi.h"
#define ngp 1 // Number of gridpoints
#define nlev 5 // Number of levels
#define nts 3 // Number of time steps
int main(void)
{
int gridID, zaxisID1, zaxisID2, taxisID;
int vlistID, varID1, varID2, streamID, tsID;
int i, nmiss = 0;
double levs[nlev] = {101300, 92500, 85000, 50000, 20000};
double var1;
double var2[nlev];
// Create a generic grid without dimensions and coordinates
gridID = gridCreate(GRID_GENERIC, 1);
// Create a surface level Z-axis
zaxisID1 = zaxisCreate(ZAXIS_SURFACE, 1);
// Create a pressure level Z-axis
zaxisID2 = zaxisCreate(ZAXIS_PRESSURE, nlev);
zaxisDefLevels(zaxisID2, levs);
// Create a variable list
vlistID = vlistCreate();
// Define the variables
varID1 = vlistDefVar(vlistID, gridID, zaxisID1, TIME_VARIABLE);
varID2 = vlistDefVar(vlistID, gridID, zaxisID2, TIME_VARIABLE);
// Define the variable names
vlistDefVarName(vlistID, varID1, "varname1");
vlistDefVarName(vlistID, varID2, "varname2");
// Create a Time axis
taxisID = taxisCreate(TAXIS_ABSOLUTE);
// Assign the Time axis to the variable list
vlistDefTaxis(vlistID, taxisID);
// Create a dataset in netCDF format
streamID = streamOpenWrite("example.nc", FILETYPE_NC);
if ( streamID < 0 )
{
fprintf(stderr, "%s\n", cdiStringError(streamID));
return(1);
}
// Assign the variable list to the dataset
streamDefVlist(streamID, vlistID);
// Loop over the number of time steps
for ( tsID = 0; tsID < nts; tsID++ )
{
// Set the verification date to 1985-01-01 + tsID
taxisDefVdate(taxisID, 19850101+tsID);
// Set the verification time to 12:00:00
taxisDefVtime(taxisID, 120000);
// Define the time step
streamDefTimestep(streamID, tsID);
// Init var1 and var2
var1 = 1.1;
for ( i = 0; i < nlev; i++ ) var2[i] = 2.2;
// Write var1 and var2
streamWriteVar(streamID, varID1, &var1, nmiss);
streamWriteVar(streamID, varID2, var2, nmiss);
}
// Close the output stream
streamClose(streamID);
// Destroy the objects
vlistDestroy(vlistID);
taxisDestroy(taxisID);
zaxisDestroy(zaxisID1);
zaxisDestroy(zaxisID2);
gridDestroy(gridID);
return 0;
}
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