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Commit f6f75fce authored by Uwe Schulzweida's avatar Uwe Schulzweida
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Added flexible XYZ dimension ordering for netCDF

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ChangeLog
View file @ f6f75fce
2011-07-29 Uwe Schulzweida <Uwe.Schulzweida@zmaw.de>
* Added flexible XYZ dimension ordering for netCDF [request: Andy Aschwanden]
2011-07-28 Uwe Schulzweida <Uwe.Schulzweida@zmaw.de>
* added interface function vlistDefVarXYZ to set the dimension order
......
NEWS
View file @ f6f75fce
......@@ -3,8 +3,8 @@ CDI NEWS
Version 1.5.2 (?? ??? 2011):
New functions:
* zaxisInqVct - read VCT
New features:
* Added flexible XYZ dimension ordering for netCDF
Version 1.5.1 (12 July 2011):
......
src/stream_cdf.c
View file @ f6f75fce
......@@ -2669,6 +2669,8 @@ int cdfDefVar(int streamID, int varID)
int gridindex, zaxisindex;
int tablenum;
int vlistID;
int dimorder[3];
int ixyz;
int iax = 0;
char axis[5];
stream_t *streamptr;
......@@ -2692,6 +2694,16 @@ int cdfDefVar(int streamID, int varID)
param = vlistInqVarParam(vlistID, varID);
cdiDecodeParam(param, &pnum, &pcat, &pdis);
ixyz = vlistInqVarXYZ(vlistID, varID);
if ( ixyz == 0 ) ixyz = 321; // ZYX
dimorder[0] = ixyz/100;
dimorder[1] = (ixyz-dimorder[0]*100)/10;
dimorder[2] = (ixyz-dimorder[0]*100-dimorder[1]*10);
if ( dimorder[2] == 2 || dimorder[0] == 1 ) lchunk = FALSE;
gridsize = gridInqSize(gridID);
if ( gridsize > 1 ) lchunk = TRUE;
gridtype = gridInqType(gridID);
......@@ -2716,7 +2728,7 @@ int cdfDefVar(int streamID, int varID)
dims[ndims++] = tid;
axis[iax++] = 'T';
}
/*
if ( zid != UNDEFID ) axis[iax++] = 'Z';
if ( zid != UNDEFID ) chunks[ndims] = 1;
if ( zid != UNDEFID ) dims[ndims++] = zid;
......@@ -2726,9 +2738,32 @@ int cdfDefVar(int streamID, int varID)
if ( xid != UNDEFID ) chunks[ndims] = xsize;
if ( xid != UNDEFID ) dims[ndims++] = xid;
*/
for ( int id = 0; id < 3; ++id )
{
if ( dimorder[id] == 3 && zid != UNDEFID )
{
axis[iax++] = 'Z';
chunks[ndims] = 1;
dims[ndims] = zid;
ndims++;
}
else if ( dimorder[id] == 2 && yid != UNDEFID )
{
chunks[ndims] = ysize;
dims[ndims] = yid;
ndims++;
}
else if ( dimorder[id] == 1 && xid != UNDEFID )
{
chunks[ndims] = xsize;
dims[ndims] = xid;
ndims++;
}
}
if ( CDI_Debug )
fprintf(stderr, "chunks %d %d %d %d\n",
if ( CDI_Debug )
fprintf(stderr, "chunks %d %d %d %d\n",
(int)chunks[0], (int)chunks[1], (int)chunks[2], (int)chunks[3]);
tableID = vlistInqVarTable(vlistID, varID);
......@@ -2792,13 +2827,13 @@ int cdfDefVar(int streamID, int varID)
sprintf(varname, "var%d", code);
else
sprintf(varname, "param%d.%d.%d", pnum, pcat, pdis);
varname2 = varname+strlen(varname);
checkname = TRUE;
iz = 0;
while ( checkname )
while ( checkname )
{
if ( iz ) sprintf(varname2, "_%d", iz+1);
......@@ -2901,7 +2936,7 @@ int cdfDefVar(int streamID, int varID)
cdf_put_att_int(fileID, ncvarid, "table", NC_INT, 1L, &tablenum);
}
if ( gridtype != GRID_GENERIC && gridtype != GRID_LONLAT &&
if ( gridtype != GRID_GENERIC && gridtype != GRID_LONLAT &&
gridtype != GRID_CURVILINEAR )
{
len = strlen(gridNamePtr(gridtype));
......@@ -3016,7 +3051,6 @@ int cdfDefVar(int streamID, int varID)
}
#endif
void cdfReadVarDP(int streamID, int varID, double *data, int *nmiss)
{
#if defined (HAVE_LIBNETCDF)
......@@ -3500,7 +3534,7 @@ int cdfWriteVarSliceDP(int streamID, int varID, int levelID, const double *data,
int xid = UNDEFID, yid = UNDEFID, zid = UNDEFID;
int ncvarid;
int ntsteps;
size_t size;
size_t size, xsize, ysize;
size_t start[4];
size_t count[4];
int ndims = 0;
......@@ -3508,9 +3542,14 @@ int cdfWriteVarSliceDP(int streamID, int varID, int levelID, const double *data,
int timeID;
int gridindex, zaxisindex;
int i;
int dimorder[3];
int ixyz;
int swapxy = FALSE;
int dtype;
int vlistID;
const double *pdata = data;
double *mdata = NULL;
double *sdata = NULL;
stream_t *streamptr;
extern int CDF_Debug;
......@@ -3532,7 +3571,20 @@ int cdfWriteVarSliceDP(int streamID, int varID, int levelID, const double *data,
gridID = vlistInqVarGrid(vlistID, varID);
zaxisID = vlistInqVarZaxis(vlistID, varID);
timeID = vlistInqVarTime(vlistID, varID);
ixyz = vlistInqVarXYZ(vlistID, varID);
if ( ixyz == 0 ) ixyz = 321; // ZYX
dimorder[0] = ixyz/100;
dimorder[1] = (ixyz-dimorder[0]*100)/10;
dimorder[2] = (ixyz-dimorder[0]*100-dimorder[1]*10);
if ( dimorder[2] == 2 || dimorder[0] == 1 ) swapxy = TRUE;
/*
printf("swapxy %d\n", swapxy);
printf("ixyz %d\n", ixyz);
printf("dimorder: %d %d %d\n", dimorder[0], dimorder[1], dimorder[2]);
*/
gridindex = vlistGridIndex(vlistID, gridID);
if ( gridInqType(gridID) == GRID_TRAJECTORY )
{
......@@ -3553,25 +3605,29 @@ int cdfWriteVarSliceDP(int streamID, int varID, int levelID, const double *data,
count[ndims] = 1;
ndims++;
}
if ( zid != UNDEFID )
{
start[ndims] = levelID;
count[ndims] = 1;
ndims++;
}
if ( yid != UNDEFID )
{
start[ndims] = 0;
cdf_inq_dimlen(fileID, yid, &size);
count[ndims] = size;
ndims++;
}
if ( xid != UNDEFID )
for ( int id = 0; id < 3; ++id )
{
start[ndims] = 0;
cdf_inq_dimlen(fileID, xid, &size);
count[ndims] = size;
ndims++;
if ( dimorder[id] == 3 && zid != UNDEFID )
{
start[ndims] = levelID;
count[ndims] = 1;
ndims++;
}
else if ( dimorder[id] == 2 && yid != UNDEFID )
{
start[ndims] = 0;
cdf_inq_dimlen(fileID, yid, &ysize);
count[ndims] = ysize;
ndims++;
}
else if ( dimorder[id] == 1 && xid != UNDEFID )
{
start[ndims] = 0;
cdf_inq_dimlen(fileID, xid, &xsize);
count[ndims] = xsize;
ndims++;
}
}
if ( CDI_Debug )
......@@ -3654,14 +3710,25 @@ int cdfWriteVarSliceDP(int streamID, int varID, int levelID, const double *data,
Message("nvals = %d, nmiss = %d, missval = %g, minval = %g, maxval = %g",
nvals, nmiss, missval, fmin, fmax);
}
if ( mdata ) pdata = mdata;
}
if ( mdata )
cdf_put_vara_double(fileID, ncvarid, start, count, mdata);
else
cdf_put_vara_double(fileID, ncvarid, start, count, data);
if ( swapxy )
{
int nvals;
nvals = gridInqSize(gridID);
sdata = (double *) malloc(nvals*sizeof(double));
for ( int j = 0; j < (int)ysize; ++j )
for ( int i = 0; i < (int)xsize; ++i )
sdata[j*xsize+i] = pdata[i*ysize+j];
pdata = sdata;
}
cdf_put_vara_double(fileID, ncvarid, start, count, data);
if ( mdata ) free(mdata);
if ( sdata ) free(sdata);
#endif
return (0);
}
......
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