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Commit ef805e59 authored by Uwe Schulzweida's avatar Uwe Schulzweida
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added support for netCDF Scalar Coordinate Variables

parent 259ca638
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ChangeLog
View file @ ef805e59
......@@ -2,6 +2,10 @@
* Version 1.7.0 released
2015-08-18 Uwe Schulzweida
* added support for netCDF Scalar Coordinate Variables
2015-08-11 Uwe Schulzweida
* bug fix for scanning the WRF time axis
......
src/cdi_int.h
View file @ ef805e59
......@@ -235,6 +235,7 @@ typedef struct {
int xdimID[MAX_GRIDS_PS]; //Warning: synchronous array to vlist_to_pointer(vlistID)->gridIDs
int ydimID[MAX_GRIDS_PS]; //Warning: synchronous array to vlist_to_pointer(vlistID)->gridIDs
int zaxisID[MAX_ZAXES_PS]; //Warning: synchronous array to vlist_to_pointer(vlistID)->zaxisIDs
int nczvarID[MAX_ZAXES_PS];
int ncxvarID[MAX_GRIDS_PS];
int ncyvarID[MAX_GRIDS_PS];
int ncavarID[MAX_GRIDS_PS];
......
src/stream.c
View file @ ef805e59
......@@ -822,8 +822,6 @@ int streamOpenWrite(const char *filename, int filetype)
static
void streamDefaultValue ( stream_t * streamptr )
{
int i;
streamptr->self = CDI_UNDEFID;
streamptr->accesstype = CDI_UNDEFID;
streamptr->accessmode = 0;
......@@ -861,9 +859,11 @@ void streamDefaultValue ( stream_t * streamptr )
basetimeInit(&streamptr->basetime);
int i;
for ( i = 0; i < MAX_GRIDS_PS; i++ ) streamptr->xdimID[i] = CDI_UNDEFID;
for ( i = 0; i < MAX_GRIDS_PS; i++ ) streamptr->ydimID[i] = CDI_UNDEFID;
for ( i = 0; i < MAX_ZAXES_PS; i++ ) streamptr->zaxisID[i] = CDI_UNDEFID;
for ( i = 0; i < MAX_ZAXES_PS; i++ ) streamptr->nczvarID[i] = CDI_UNDEFID;
for ( i = 0; i < MAX_GRIDS_PS; i++ ) streamptr->ncxvarID[i] = CDI_UNDEFID;
for ( i = 0; i < MAX_GRIDS_PS; i++ ) streamptr->ncyvarID[i] = CDI_UNDEFID;
for ( i = 0; i < MAX_GRIDS_PS; i++ ) streamptr->ncavarID[i] = CDI_UNDEFID;
......
src/stream_cdf.c
View file @ ef805e59
......@@ -2671,7 +2671,13 @@ void cdfDefZaxis(stream_t *streamptr, int zaxisID)
size_t dimlen = (size_t)zaxisInqSize(zaxisID);
int type = zaxisInqType(zaxisID);
if (dimlen == 1)
int is_scalar = FALSE;
if ( dimlen == 1 ) is_scalar = zaxisInqScalar(zaxisID);
int ndims = 1;
if ( is_scalar ) ndims = 0;
if ( dimlen == 1 )
switch (type)
{
case ZAXIS_SURFACE:
......@@ -2723,7 +2729,7 @@ void cdfDefZaxis(stream_t *streamptr, int zaxisID)
{
if ( ilevel )
{
/* check that the name does not exist for other grids */
/* check that the name does not exist for other zaxes */
for ( index = 0; index < nzaxis; index++ )
{
zaxisID0 = vlistZaxis(vlistID, index);
......@@ -2759,13 +2765,13 @@ void cdfDefZaxis(stream_t *streamptr, int zaxisID)
{
if ( streamptr->ncmode == 2 ) cdf_redef(fileID);
cdf_def_dim(fileID, axisname, dimlen, &dimID);
if ( ndims ) cdf_def_dim(fileID, axisname, dimlen, &dimID);
zaxisInqLongname(zaxisID, longname);
zaxisInqUnits(zaxisID, units);
zaxisInqStdname(zaxisID, stdname);
cdf_def_var(fileID, axisname, (nc_type) xtype, 1, &dimID, &ncvarid);
cdf_def_var(fileID, axisname, (nc_type) xtype, ndims, &dimID, &ncvarid);
if ( (len = strlen(stdname)) )
cdf_put_att_text(fileID, ncvarid, "standard_name", len, stdname);
......@@ -2798,9 +2804,9 @@ void cdfDefZaxis(stream_t *streamptr, int zaxisID)
{
strcat(axisname, "_");
strcat(axisname, BNDS_NAME);
dimIDs[0] = dimID;
dimIDs[1] = nvdimID;
cdf_def_var(fileID, axisname, (nc_type) xtype, 2, dimIDs, &ncbvarid);
if ( ndims ) dimIDs[0] = dimID;
dimIDs[ndims] = nvdimID;
cdf_def_var(fileID, axisname, (nc_type) xtype, ndims+1, dimIDs, &ncbvarid);
cdf_put_att_text(fileID, ncvarid, "bounds", strlen(axisname), axisname);
}
}
......@@ -2813,10 +2819,8 @@ void cdfDefZaxis(stream_t *streamptr, int zaxisID)
if ( ncbvarid != UNDEFID )
{
double lbounds[dimlen], ubounds[dimlen], zbounds[2*dimlen];
zaxisInqLbounds(zaxisID, lbounds);
zaxisInqUbounds(zaxisID, ubounds);
for ( size_t i = 0; i < dimlen; ++i )
{
zbounds[2*i ] = lbounds[i];
......@@ -2825,6 +2829,8 @@ void cdfDefZaxis(stream_t *streamptr, int zaxisID)
cdf_put_var_double(fileID, ncbvarid, zbounds);
}
if ( ndims == 0 ) streamptr->nczvarID[zaxisindex] = ncvarid;
}
}
......@@ -3043,63 +3049,50 @@ void cdfDefGrid(stream_t *streamptr, int gridID)
}
}
static
int cdfDefVar(stream_t *streamptr, int varID)
{
int ncvarid = -1;
int fileID;
int xid = UNDEFID, yid = UNDEFID, zid = UNDEFID, tid = UNDEFID;
int xid = UNDEFID, yid = UNDEFID;
size_t xsize = 0, ysize = 0;
int code, param, gridID, zaxisID;
int pnum, pcat, pdis;
char varname[CDI_MAX_NAME];
const char *name = NULL;
const char *longname = NULL;
const char *stdname = NULL;
const char *units = NULL;
int dims[4];
int lchunk = FALSE;
int chunktype;
size_t chunks[4] = {0,0,0,0};
int tableID;
int ndims = 0;
int tsteptype;
int xtype, dtype;
int gridtype, gridsize;
int gridindex, zaxisindex;
int tablenum;
int vlistID;
int dimorder[3];
size_t iax = 0;
size_t len;
char axis[5];
int ensID, ensCount, forecast_type;
int retval;
fileID = streamptr->fileID;
int fileID = streamptr->fileID;
if ( CDI_Debug )
Message("streamID = %d, fileID = %d, varID = %d", streamptr->self, fileID, varID);
if ( streamptr->vars[varID].ncvarid != UNDEFID )
return (streamptr->vars[varID].ncvarid);
return streamptr->vars[varID].ncvarid;
vlistID = streamptr->vlistID;
gridID = vlistInqVarGrid(vlistID, varID);
zaxisID = vlistInqVarZaxis(vlistID, varID);
tsteptype = vlistInqVarTsteptype(vlistID, varID);
code = vlistInqVarCode(vlistID, varID);
param = vlistInqVarParam(vlistID, varID);
int vlistID = streamptr->vlistID;
int gridID = vlistInqVarGrid(vlistID, varID);
int zaxisID = vlistInqVarZaxis(vlistID, varID);
int tsteptype = vlistInqVarTsteptype(vlistID, varID);
int code = vlistInqVarCode(vlistID, varID);
int param = vlistInqVarParam(vlistID, varID);
int pnum, pcat, pdis;
cdiDecodeParam(param, &pnum, &pcat, &pdis);
chunktype = vlistInqVarChunkType(vlistID, varID);
int chunktype = vlistInqVarChunkType(vlistID, varID);
vlistInqVarDimorder(vlistID, varID, &dimorder);
gridsize = gridInqSize(gridID);
int gridsize = gridInqSize(gridID);
if ( gridsize > 1 ) lchunk = TRUE;
gridtype = gridInqType(gridID);
gridindex = vlistGridIndex(vlistID, gridID);
int gridtype = gridInqType(gridID);
int gridindex = vlistGridIndex(vlistID, gridID);
if ( gridtype != GRID_TRAJECTORY )
{
xid = streamptr->xdimID[gridindex];
......@@ -3108,8 +3101,10 @@ int cdfDefVar(stream_t *streamptr, int varID)
if ( yid != UNDEFID ) cdf_inq_dimlen(fileID, yid, &ysize);
}
zaxisindex = vlistZaxisIndex(vlistID, zaxisID);
zid = streamptr->zaxisID[zaxisindex];
int zaxisindex = vlistZaxisIndex(vlistID, zaxisID);
int zid = streamptr->zaxisID[zaxisindex];
int zaxis_is_scalar = FALSE;
if ( zid == UNDEFID ) zaxis_is_scalar = zaxisInqScalar(zaxisID);
if ( dimorder[0] != 3 ) lchunk = FALSE; /* ZYX and ZXY */
......@@ -3119,7 +3114,7 @@ int cdfDefVar(stream_t *streamptr, int varID)
Error("Internal problem, dimension order missing!");
}
tid = streamptr->basetime.ncdimid;
int tid = streamptr->basetime.ncdimid;
if ( tsteptype != TSTEP_CONSTANT )
{
......@@ -3168,12 +3163,12 @@ int cdfDefVar(stream_t *streamptr, int varID)
if ( CDI_Debug )
fprintf(stderr, "chunktype %d chunks %d %d %d %d\n", chunktype, (int)chunks[0], (int)chunks[1], (int)chunks[2], (int)chunks[3]);
tableID = vlistInqVarTable(vlistID, varID);
int tableID = vlistInqVarTable(vlistID, varID);
name = vlistInqVarNamePtr(vlistID, varID);
longname = vlistInqVarLongnamePtr(vlistID, varID);
stdname = vlistInqVarStdnamePtr(vlistID, varID);
units = vlistInqVarUnitsPtr(vlistID, varID);
const char *name = vlistInqVarNamePtr(vlistID, varID);
const char *longname = vlistInqVarLongnamePtr(vlistID, varID);
const char *stdname = vlistInqVarStdnamePtr(vlistID, varID);
const char *units = vlistInqVarUnitsPtr(vlistID, varID);
if ( name == NULL ) name = tableInqParNamePtr(tableID, code);
if ( longname == NULL ) longname = tableInqParLongnamePtr(tableID, code);
......@@ -3216,11 +3211,6 @@ int cdfDefVar(stream_t *streamptr, int varID)
}
else
{
int checkname;
int iz;
int status;
char *varname2;
if ( code < 0 ) code = -code;
if ( pnum < 0 ) pnum = -pnum;
......@@ -3229,16 +3219,16 @@ int cdfDefVar(stream_t *streamptr, int varID)
else
sprintf(varname, "param%d.%d.%d", pnum, pcat, pdis);
varname2 = varname+strlen(varname);
char *varname2 = varname+strlen(varname);
checkname = TRUE;
iz = 0;
int checkname = TRUE;
int iz = 0;
while ( checkname )
{
if ( iz ) sprintf(varname2, "_%d", iz+1);
status = nc_inq_varid(fileID, varname, &ncvarid);
int status = nc_inq_varid(fileID, varname, &ncvarid);
if ( status != NC_NOERR ) checkname = FALSE;
if ( checkname ) iz++;
......@@ -3253,8 +3243,8 @@ int cdfDefVar(stream_t *streamptr, int varID)
/* if ( streamptr->ncmode == 2 ) cdf_redef(fileID); */
dtype = vlistInqVarDatatype(vlistID, varID);
xtype = cdfDefDatatype(dtype, streamptr->filetype);
int dtype = vlistInqVarDatatype(vlistID, varID);
int xtype = cdfDefDatatype(dtype, streamptr->filetype);
cdf_def_var(fileID, name, (nc_type) xtype, ndims, dims, &ncvarid);
......@@ -3345,6 +3335,9 @@ int cdfDefVar(stream_t *streamptr, int varID)
cdf_put_att_int(fileID, ncvarid, "table", NC_INT, 1, &tablenum);
}
char coordinates[CDI_MAX_NAME];
coordinates[0] = 0;
if ( gridtype != GRID_GENERIC && gridtype != GRID_LONLAT && gridtype != GRID_CURVILINEAR )
{
size_t len = strlen(gridNamePtr(gridtype));
......@@ -3377,51 +3370,51 @@ int cdfDefVar(stream_t *streamptr, int varID)
{
cdf_put_att_text(fileID, ncvarid, "coordinates", 9, "tlon tlat" );
}
else if ( zaxis_is_scalar )
{
int nczvarID = streamptr->nczvarID[zaxisindex];
if ( nczvarID != CDI_UNDEFID )
{
len = strlen(coordinates);
if ( len ) coordinates[len++] = ' ';
cdf_inq_varname(fileID, nczvarID, coordinates+len);
}
}
else if ( gridtype == GRID_LONLAT && xid == UNDEFID && yid == UNDEFID && gridsize == 1 )
{
char coordinates[CDI_MAX_NAME] = "";
int ncxvarID, ncyvarID;
int gridindex;
size_t len;
gridindex = vlistGridIndex(vlistID, gridID);
ncxvarID = streamptr->ncxvarID[gridindex];
ncyvarID = streamptr->ncyvarID[gridindex];
int ncxvarID = streamptr->ncxvarID[gridindex];
int ncyvarID = streamptr->ncyvarID[gridindex];
if ( ncxvarID != CDI_UNDEFID )
cdf_inq_varname(fileID, ncxvarID, coordinates);
len = strlen(coordinates);
{
len = strlen(coordinates);
if ( len ) coordinates[len++] = ' ';
cdf_inq_varname(fileID, ncxvarID, coordinates+len);
}
if ( ncyvarID != CDI_UNDEFID )
{
len = strlen(coordinates);
if ( len ) coordinates[len++] = ' ';
cdf_inq_varname(fileID, ncyvarID, coordinates+len);
}
len = strlen(coordinates);
if ( len )
cdf_put_att_text(fileID, ncvarid, "coordinates", len, coordinates);
}
else if ( gridtype == GRID_UNSTRUCTURED || gridtype == GRID_CURVILINEAR )
{
char coordinates[CDI_MAX_NAME] = "";
char cellarea[CDI_MAX_NAME] = "area: ";
int ncxvarID, ncyvarID, ncavarID;
int gridindex;
size_t len;
gridindex = vlistGridIndex(vlistID, gridID);
ncxvarID = streamptr->ncxvarID[gridindex];
ncyvarID = streamptr->ncyvarID[gridindex];
ncavarID = streamptr->ncavarID[gridindex];
int ncxvarID = streamptr->ncxvarID[gridindex];
int ncyvarID = streamptr->ncyvarID[gridindex];
int ncavarID = streamptr->ncavarID[gridindex];
if ( ncxvarID != CDI_UNDEFID )
cdf_inq_varname(fileID, ncxvarID, coordinates);
len = strlen(coordinates);
{
len = strlen(coordinates);
if ( len ) coordinates[len++] = ' ';
cdf_inq_varname(fileID, ncxvarID, coordinates+len);
}
if ( ncyvarID != CDI_UNDEFID )
{
len = strlen(coordinates);
if ( len ) coordinates[len++] = ' ';
cdf_inq_varname(fileID, ncyvarID, coordinates+len);
}
len = strlen(coordinates);
if ( len )
cdf_put_att_text(fileID, ncvarid, "coordinates", len, coordinates);
if ( ncavarID != CDI_UNDEFID )
{
......@@ -3441,13 +3434,15 @@ int cdfDefVar(stream_t *streamptr, int varID)
else if ( gridtype == GRID_SPECTRAL || gridtype == GRID_FOURIER )
{
int gridTruncation = gridInqTrunc(gridID);
axis[iax++] = '-';
axis[iax++] = '-';
cdf_put_att_text(fileID, ncvarid, "axis", iax, axis);
cdf_put_att_int(fileID, ncvarid, "truncation", NC_INT, 1, &gridTruncation);
}
len = strlen(coordinates);
if ( len ) cdf_put_att_text(fileID, ncvarid, "coordinates", len, coordinates);
/* if ( xtype == NC_BYTE || xtype == NC_SHORT || xtype == NC_INT ) */
{
int laddoffset, lscalefactor;
......@@ -3528,7 +3523,7 @@ int cdfDefVar(stream_t *streamptr, int varID)
/* if ( streamptr->ncmode == 2 ) cdf_enddef(fileID); */
return (ncvarid);
return ncvarid;
}
static
......@@ -8567,36 +8562,34 @@ void cdfInqHistoryString(stream_t *streamptr, char *history)
void cdfDefVars(stream_t *streamptr)
{
/* int nvars, ncvarid; */
int vlistID = streamptr->vlistID;
if ( vlistID == UNDEFID )
Error("Internal problem! vlist undefined for streamptr %p", streamptr);
/* nvars = vlistNvars(vlistID); */
int ngrids = vlistNgrids(vlistID);
int nzaxis = vlistNzaxis(vlistID);
/*
if ( vlistHasTime(vlistID) ) cdfDefTime(streamptr);
*/
if (ngrids > 0)
for (size_t index = 0; index < (size_t)ngrids; index++ )
if ( ngrids > 0 )
for ( int index = 0; index < ngrids; index++ )
{
int gridID = vlistGrid(vlistID, (int)index);
int gridID = vlistGrid(vlistID, index);
cdfDefGrid(streamptr, gridID);
}
if (nzaxis > 0)
for (size_t index = 0; index < (size_t)nzaxis; index++ )
if ( nzaxis > 0 )
for ( int index = 0; index < nzaxis; index++ )
{
int zaxisID = vlistZaxis(vlistID, (int)index);
int zaxisID = vlistZaxis(vlistID, index);
if ( streamptr->zaxisID[index] == UNDEFID ) cdfDefZaxis(streamptr, zaxisID);
}
/*
define time first!!!
for (varID = 0; varID < nvars; varID++ )
/* define time first!!!
int nvars = vlistNvars(vlistID);
for ( int varID = 0; varID < nvars; varID++ )
{
ncvarid = cdfDefVar(streamptr, varID);
int ncvarid = cdfDefVar(streamptr, varID);
}
*/
}
......
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