stream_ieg.c 34 KB
Newer Older
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif

#include <stdio.h>
#include <string.h>
#include <float.h>
#include <math.h>

#include "dmemory.h"

#include "error.h"
#include "file.h"
#include "cdi.h"
#include "stream_int.h"
#include "varscan.h"
#include "datetime.h"
#include "ieg.h"
#include "vlist.h"


#undef  UNDEFID
#define UNDEFID  CDI_UNDEFID

#define SINGLE_PRECISION  4
#define DOUBLE_PRECISION  8

#if defined (HAVE_LIBIEG)

30
31
32
33
34
35
36

typedef struct {
  int code;
  int level;
} IEGCOMPVAR; 


Uwe Schulzweida's avatar
Uwe Schulzweida committed
37
38
39
40
int iegInqDatatype(int prec)
{
  int datatype;

41
42
  if ( prec == DOUBLE_PRECISION ) datatype = DATATYPE_FLT64;
  else                            datatype = DATATYPE_FLT32;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
43
44
45
46
47
48
49
50
51

  return (datatype);
}


int iegDefDatatype(int datatype)
{
  int prec;

52
53
  if ( datatype != DATATYPE_FLT32 && datatype != DATATYPE_FLT64 )
    datatype = DATATYPE_FLT32;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
54

55
  if ( datatype == DATATYPE_FLT64 ) prec = DOUBLE_PRECISION;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
  else                              prec = SINGLE_PRECISION;

  return (prec);
}


int iegInqRecord(int streamID, int *varID, int *levelID)
{
  static char func[] = "iegInqRecord";
  int status;
  int fileID;
  int icode, ilevel;
  int zaxisID = -1;
  int vlistID;
  IEGREC *iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
71
  STREAM *streamptr;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
72

Uwe Schulzweida's avatar
Uwe Schulzweida committed
73
74
75
  streamptr = stream_to_pointer(streamID);

  stream_check_ptr(func, streamptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
76
77
78

  vlistID = streamInqVlist(streamID);
  fileID  = streamInqFileID(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
79
  iegp    = streamptr->record->iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115

  *varID   = -1;
  *levelID = -1;

  status = iegRead(fileID, iegp);
  if ( status != 0 ) return (0);

  icode  = IEG_P_Parameter(iegp->ipdb);
  if ( IEG_P_LevelType(iegp->ipdb) == IEG_LTYPE_HYBRID_LAYER )
    ilevel = IEG_P_Level1(iegp->ipdb);
  else
    ilevel = IEG_P_Level2(iegp->ipdb);

  *varID = vlistInqVarID(vlistID, icode);

  if ( *varID == UNDEFID ) Error(func, "code %d undefined", icode);

  zaxisID = vlistInqVarZaxis(vlistID, *varID);

  *levelID = zaxisInqLevelID(zaxisID, (double) ilevel);
  
  return (1);
}


int iegReadRecord(int streamID, double *data, int *nmiss)
{
  static char func[] = "iegReadRecord";
  int vlistID, fileID;
  int status;
  int recID, vrecID, tsID;
  off_t recpos;
  int varID, gridID;
  int i, size;
  double missval;
  IEGREC *iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
116
117
118
  STREAM *streamptr;

  streamptr = stream_to_pointer(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
119

Uwe Schulzweida's avatar
Uwe Schulzweida committed
120
  stream_check_ptr(func, streamptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
121
122
123

  vlistID = streamInqVlist(streamID);
  fileID  = streamInqFileID(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
124
125
126
127
128
129
  tsID    = streamptr->curTsID;
  vrecID  = streamptr->tsteps[tsID].curRecID;
  recID   = streamptr->tsteps[tsID].recIDs[vrecID];
  recpos  = streamptr->tsteps[tsID].records[recID].position;
  varID   = streamptr->tsteps[tsID].records[recID].varID;
  iegp    = streamptr->record->iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
130
131
132
133
134
135
136
137

  fileSetPos(fileID, recpos, SEEK_SET);

  status = iegRead(fileID, iegp);
  if ( status != 0 ) return (0);

  iegInqDataDP(iegp, data);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
138
  missval = vlistInqVarMissval(vlistID, varID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
139
140
  gridID  = vlistInqVarGrid(vlistID, varID);
  size    = gridInqSize(gridID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
141

Uwe Schulzweida's avatar
Uwe Schulzweida committed
142
  streamptr->numvals += size;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212

  *nmiss = 0;
  for ( i = 0; i < size; i++ )
    if ( DBL_IS_EQUAL(data[i], missval) || DBL_IS_EQUAL(data[i], (float)missval) )
      {
	data[i] = missval;
	(*nmiss)++;
      }

  return (1);
}


int iegGetZaxisType(int iegleveltype)
{
  int leveltype = 0;

  switch ( iegleveltype )
    {
    case IEG_LTYPE_SURFACE:
      {
	leveltype = ZAXIS_SURFACE;
	break;
      }
    case IEG_LTYPE_99:
    case IEG_LTYPE_ISOBARIC:
      {
	leveltype = ZAXIS_PRESSURE;
	break;
      }
    case IEG_LTYPE_HEIGHT:
      {
	leveltype = ZAXIS_HEIGHT;
	break;
      }
    case IEG_LTYPE_ALTITUDE:
      {
	leveltype = ZAXIS_ALTITUDE;
	break;
      }
    case IEG_LTYPE_HYBRID:
    case IEG_LTYPE_HYBRID_LAYER:
      {
	leveltype = ZAXIS_HYBRID;
	break;
      }
    case IEG_LTYPE_LANDDEPTH:
    case IEG_LTYPE_LANDDEPTH_LAYER:
      {
	leveltype = ZAXIS_DEPTH_BELOW_LAND;
	break;
      }
    case IEG_LTYPE_SEADEPTH:
      {
	leveltype = ZAXIS_DEPTH_BELOW_SEA;
	break;
      }
    default:
      {
	leveltype = ZAXIS_GENERIC;
	break;
      }
    }

  return (leveltype);
}


void iegDefTime(int *pdb, int date, int time, int timeID)
{
213
  int year, month, day, hour, minute, second;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
214
215
216
217
218
219
  int timetype = -1;

  if ( timeID != -1 ) timetype = taxisInqType(timeID);

  if ( timetype == TAXIS_ABSOLUTE || timetype == TAXIS_RELATIVE )
    {
220
      decode_date(date, &year, &month, &day);
221
      decode_time(time, &hour, &minute, &second);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382

      IEG_P_Year(pdb)     = year;
      IEG_P_Month(pdb)    = month;
      IEG_P_Day(pdb)      = day;
      IEG_P_Hour(pdb)     = hour;
      IEG_P_Minute(pdb)   = minute;

      pdb[15] = 1;
      pdb[16] = 0;
      pdb[17] = 0;
      pdb[18] = 10;
      pdb[36] = 1;
    }

  pdb[5] = 128;
}


void iegDefGrid(int *gdb, int gridID)
{
  static char func[] = "iegDefGrid";
  int gridtype;

  gridtype = gridInqType(gridID);

  if ( gridtype == GRID_GENERIC )
    {
      gridtype = GRID_LONLAT;
      gridChangeType(gridID, gridtype);
    }
  else if ( gridtype == GRID_CURVILINEAR )
    {
      gridtype = GRID_LONLAT;
    }

  if ( gridtype == GRID_LONLAT )
    {
      int nlon, nlat;

      nlon = (int) gridInqXsize(gridID);

      nlat = (int) gridInqYsize(gridID);

      if ( gridtype == GRID_LONLAT && gridIsRotated(gridID) )
	IEG_G_GridType(gdb) = 10;
      else
	IEG_G_GridType(gdb) = 0;

      IEG_G_NumLon(gdb)   = nlon;
      IEG_G_NumLat(gdb)   = nlat;
      IEG_G_FirstLat(gdb) = NINT(gridInqYval(gridID,      0)*1000);
      IEG_G_LastLat(gdb)  = NINT(gridInqYval(gridID, nlat-1)*1000);
      IEG_G_FirstLon(gdb) = NINT(gridInqXval(gridID,      0)*1000);
      IEG_G_LastLon(gdb)  = NINT(gridInqXval(gridID, nlon-1)*1000);
      IEG_G_LonIncr(gdb)  = NINT(gridInqXinc(gridID)*1000);
      if ( fabs(gridInqXinc(gridID)*1000 - IEG_G_LonIncr(gdb)) > FLT_EPSILON )
	IEG_G_LonIncr(gdb) = 0;

      IEG_G_LatIncr(gdb) = NINT(gridInqYinc(gridID)*1000);
      if ( fabs(gridInqYinc(gridID)*1000 - IEG_G_LatIncr(gdb)) > FLT_EPSILON )
	IEG_G_LatIncr(gdb) = 0;

      if ( gridIsRotated(gridID) )
	{
	  IEG_G_LatSP(gdb) = - NINT(gridInqYpole(gridID) * 1000);
	  IEG_G_LonSP(gdb) =   NINT((gridInqXpole(gridID) + 180) * 1000);
	  IEG_G_Size(gdb)  = 42;
	}
      else
	{
	  IEG_G_Size(gdb)  = 32;
	}
    }
  else
    {
      Error(func, "%s grid unsupported!", gridNamePtr(gridtype));
    }

  IEG_G_ResFlag(gdb) = 128;
  IEG_G_ScanFlag(gdb) = 64;
}


void iegDefLevel(int *pdb, int *gdb, double *vct, int zaxisID, int levelID)
{
  static char func[] = "iegDefLevel";
  double level;
  int ilevel, leveltype;
  static int warning = 1;
  static int vct_warning = 1;

  leveltype = zaxisInqType(zaxisID);

  if ( leveltype == ZAXIS_GENERIC )
    {
      leveltype = ZAXIS_PRESSURE;
      zaxisChangeType(zaxisID, leveltype);
    }

  /*  IEG_G_NumVCP(gdb) = 0; */

  switch (leveltype)
    {
    case ZAXIS_SURFACE:
      {
	IEG_P_LevelType(pdb) = IEG_LTYPE_SURFACE;
	IEG_P_Level1(pdb)    = 0;
	IEG_P_Level2(pdb)    = (int) zaxisInqLevel(zaxisID, levelID);
	break;
      }
    case ZAXIS_HYBRID:
      {
	int vctsize;

	if ( zaxisInqLbounds(zaxisID, NULL) && zaxisInqUbounds(zaxisID, NULL) )
	  {
	    IEG_P_LevelType(pdb) = IEG_LTYPE_HYBRID_LAYER;
	    IEG_P_Level1(pdb)    = (int) zaxisInqLbound(zaxisID, levelID);
	    IEG_P_Level2(pdb)    = (int) zaxisInqUbound(zaxisID, levelID);
	  }
	else
	  {
	    IEG_P_LevelType(pdb) = IEG_LTYPE_HYBRID;
	    IEG_P_Level1(pdb)    = 0;
	    IEG_P_Level2(pdb)    = (int) zaxisInqLevel(zaxisID, levelID);
	  }

	vctsize = zaxisInqVctSize(zaxisID);
	if ( vctsize == 0 && warning )
	  {
	    Warning(func, "VCT missing. ( code = %d, zaxisID = %d )",
		    IEG_P_Parameter(pdb), zaxisID);
	    warning = 0;
	  }
	if ( vctsize > 100 )
	  {
	    /*	    IEG_G_NumVCP(gdb) = 0; */
	    if ( vct_warning )
	      {
		Warning(func, "VCT size of %d is to large (maximum is 100). Set to 0!", vctsize);
		vct_warning = 0;
	      }
	  }
	else
	  {
	    IEG_G_Size(gdb) += (vctsize*4);
	    memcpy(vct, zaxisInqVctPtr(zaxisID), vctsize/2*sizeof(double));
	    memcpy(vct+50, zaxisInqVctPtr(zaxisID)+vctsize/2, vctsize/2*sizeof(double));
	  }
	break;
      }
    case ZAXIS_PRESSURE:
      {
	double dum;
	char units[128];

	level = zaxisInqLevel(zaxisID, levelID);
	if ( level < 0 )
	  Warning(func, "pressure level of %f Pa is below 0.", level);

	zaxisInqUnits(zaxisID, units);
383
	if ( memcmp(units, "hPa", 3) == 0 || memcmp(units, "mb",2 ) == 0 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
	  level = level*100;

	ilevel = (int) level;
	if ( level < 32768 && (level < 100 || modf(level/100, &dum) > 0) )
	  {
	    IEG_P_LevelType(pdb) = IEG_LTYPE_99;
	    IEG_P_Level1(pdb)    = 0;
	    IEG_P_Level2(pdb)    = ilevel;
	  }
	else
	  {
	    IEG_P_LevelType(pdb) = IEG_LTYPE_ISOBARIC;
	    IEG_P_Level1(pdb)    = 0;
	    IEG_P_Level2(pdb)    = ilevel/100;
	  }
	break;
      }
    case ZAXIS_HEIGHT:
      {
	level = zaxisInqLevel(zaxisID, levelID);

	ilevel = (int) level;
	IEG_P_LevelType(pdb) = IEG_LTYPE_HEIGHT;
	IEG_P_Level1(pdb)    = 0;
	IEG_P_Level2(pdb)    = ilevel;

	break;
      }
    case ZAXIS_ALTITUDE:
      {
	level = zaxisInqLevel(zaxisID, levelID);

	ilevel = (int) level;
	IEG_P_LevelType(pdb) = IEG_LTYPE_ALTITUDE;
	IEG_P_Level1(pdb)    = 0;
	IEG_P_Level2(pdb)    = ilevel;

	break;
      }
    case ZAXIS_DEPTH_BELOW_LAND:
      {
	if ( zaxisInqLbounds(zaxisID, NULL) && zaxisInqUbounds(zaxisID, NULL) )
	  {
	    IEG_P_LevelType(pdb) = IEG_LTYPE_LANDDEPTH_LAYER;
	    IEG_P_Level1(pdb)    = (int) zaxisInqLbound(zaxisID, levelID);
	    IEG_P_Level2(pdb)    = (int) zaxisInqUbound(zaxisID, levelID);
	  }
	else
	  {
	    level = zaxisInqLevel(zaxisID, levelID);

	    ilevel = (int) level;
	    IEG_P_LevelType(pdb) = IEG_LTYPE_LANDDEPTH;
	    IEG_P_Level1(pdb)    = 0;
	    IEG_P_Level2(pdb)    = ilevel;
	  }

	break;
      }
    case ZAXIS_DEPTH_BELOW_SEA:
      {
	level = zaxisInqLevel(zaxisID, levelID);

	ilevel = (int) level;
	IEG_P_LevelType(pdb) = IEG_LTYPE_SEADEPTH;
	IEG_P_Level1(pdb)    = 0;
	IEG_P_Level2(pdb)    = ilevel;

	break;
      }
    case ZAXIS_ISENTROPIC:
      {
	level = zaxisInqLevel(zaxisID, levelID);

	ilevel = (int) level;
	IEG_P_LevelType(pdb) = 113;
	IEG_P_Level1(pdb)    = 0;
	IEG_P_Level2(pdb)    = ilevel;

	break;
      }
    default:
      {
	Error(func, "leveltype >%s< unsupported", zaxisNamePtr(leveltype));
	break;
      }
    }
}


Uwe Schulzweida's avatar
Uwe Schulzweida committed
474
int iegCopyRecord(int streamID2, int streamID1)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
475
476
{
  static char func[] = "iegCopyRecord";
Uwe Schulzweida's avatar
Uwe Schulzweida committed
477
  int fileID1, fileID2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
478
479
480
481
482
  int tsID, recID, vrecID;
  long recsize;
  off_t recpos;
  int status = 0;
  char *buffer;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
483
484
  STREAM *streamptr1;
  STREAM *streamptr2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
485

Uwe Schulzweida's avatar
Uwe Schulzweida committed
486
487
  streamptr1 = stream_to_pointer(streamID1);
  streamptr2 = stream_to_pointer(streamID2);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
488

Uwe Schulzweida's avatar
Uwe Schulzweida committed
489
490
  stream_check_ptr(func, streamptr1);
  stream_check_ptr(func, streamptr2);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
491

Uwe Schulzweida's avatar
Uwe Schulzweida committed
492
493
  fileID1 = streamInqFileID(streamID1);
  fileID2 = streamInqFileID(streamID2);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
494

Uwe Schulzweida's avatar
Uwe Schulzweida committed
495
496
497
498
499
500
501
  tsID    = streamptr1->curTsID;
  vrecID  = streamptr1->tsteps[tsID].curRecID;
  recID   = streamptr1->tsteps[tsID].recIDs[vrecID];
  recpos  = streamptr1->tsteps[tsID].records[recID].position;
  recsize = streamptr1->tsteps[tsID].records[recID].size;

  fileSetPos(fileID1, recpos, SEEK_SET);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
502
503
504

  buffer = (char *) malloc(recsize);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
505
  fileRead(fileID1, buffer, recsize);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
506

Uwe Schulzweida's avatar
Uwe Schulzweida committed
507
  fileWrite(fileID2, buffer, recsize);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526

  free(buffer);

  return (status);
}


int iegDefRecord(int streamID)
{
  static char func[] = "iegDefRecord";
  int status = 0;
  int fileID, vlistID;
  int gridID;
  int date, time;
  int datatype;
  int i;
  int varID, levelID, tsID, zaxisID;
  int byteorder;
  IEGREC *iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
527
528
529
  STREAM *streamptr;

  streamptr = stream_to_pointer(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
530

Uwe Schulzweida's avatar
Uwe Schulzweida committed
531
  stream_check_ptr(func, streamptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
532
533
534

  fileID  = streamInqFileID(streamID);
  vlistID = streamInqVlist(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
535
536
  iegp    = streamptr->record->iegp;
  byteorder = streamptr->byteorder;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
537

Uwe Schulzweida's avatar
Uwe Schulzweida committed
538
539
540
  varID   = streamptr->record->varID;
  levelID = streamptr->record->levelID;
  tsID    = streamptr->curTsID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
541
542
543
544

  gridID  = vlistInqVarGrid(vlistID, varID);
  zaxisID = vlistInqVarZaxis(vlistID, varID);
  
545
  iegInitMem(iegp);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
546
547
548
549
550
  for ( i = 0; i < 37; i++ ) iegp->ipdb[i] = -1;

  iegp->byteswap = getByteswap(byteorder);

  IEG_P_Parameter(iegp->ipdb) = vlistInqVarCode(vlistID, varID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
551
552
  date     = streamptr->tsteps[tsID].taxis.vdate;
  time     = streamptr->tsteps[tsID].taxis.vtime;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
553
554
555
556
557

  iegDefTime(iegp->ipdb, date, time, vlistInqTaxis(vlistID));
  iegDefGrid(iegp->igdb, gridID);
  iegDefLevel(iegp->ipdb, iegp->igdb, iegp->vct, zaxisID, levelID);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
558
  datatype = streamptr->record->prec;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573

  iegp->dprec = iegDefDatatype(datatype);

  return (status);
}


int iegWriteRecord(int streamID, const double *data)
{
  static char func[] = "iegWriteRecord";
  int fileID;
  int status = 0;
  int i, gridsize, gridID;
  double refval;
  IEGREC *iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
574
  STREAM *streamptr;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
575

Uwe Schulzweida's avatar
Uwe Schulzweida committed
576
577
578
  streamptr = stream_to_pointer(streamID);

  stream_check_ptr(func, streamptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
579
580

  fileID = streamInqFileID(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
581
582
  iegp   = streamptr->record->iegp;
  gridID = streamptr->record->gridID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
  
  gridsize = gridInqSize(gridID);

  refval = data[0];
  for ( i = 1; i < gridsize; i++ )
    if ( data[i] < refval ) refval = data[i];

  iegp->refval = refval;

  iegDefDataDP(iegp, data);

  iegWrite(fileID, iegp);

  return (status);
}


void iegAddRecord(int streamID, int code, int *pdb, int *gdb, double *vct,
		  long recsize, off_t position, int prec)
{
  static char func[] = "iegAddRecord";
  int leveltype;
  int gridID = UNDEFID;
  int levelID = 0;
  int tsID, recID, varID;
  int datatype;
  int level1, level2;
  int gridtype;
  int lbounds = 0;
  RECORD *record;
613
  grid_t grid;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
614
  int vlistID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
615
616
617
  STREAM *streamptr;

  streamptr = stream_to_pointer(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
618
619

  vlistID = streamInqVlist(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
620
  tsID    = streamptr->curTsID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
621
  recID   = recordNewEntry(streamID, tsID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
622
  record  = &streamptr->tsteps[tsID].records[recID];
Uwe Schulzweida's avatar
Uwe Schulzweida committed
623
624
625
626
627
628
629
630
631
632

  if ( IEG_P_LevelType(pdb) == IEG_LTYPE_HYBRID_LAYER )
    {
      level1 = IEG_P_Level1(pdb);
      level2 = IEG_P_Level2(pdb);
    }
  else
    {
      level1 = IEG_P_Level2(pdb);
      level2 = 0;
633
      if ( IEG_P_LevelType(pdb) == 100 ) level1 *= 100;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
    }
  /*
  fprintf(stderr, "%d %d %d %d\n", code, IEG_P_LevelType(pdb), IEG_P_Level1(pdb), IEG_P_Level2(pdb));
  */
  (*record).size     = recsize;
  (*record).position = position;
  (*record).code     = code;
  (*record).table    = IEG_P_CodeTable(pdb);
  (*record).ilevel   = level1;
  (*record).ilevel2  = level2;
  (*record).ltype    = IEG_P_LevelType(pdb);

  if ( IEG_G_GridType(gdb) == 0 || IEG_G_GridType(gdb) == 10 )
    gridtype = GRID_LONLAT;
  else
    gridtype = GRID_GENERIC;

651
  memset(&grid, 0, sizeof(grid_t));
Uwe Schulzweida's avatar
Uwe Schulzweida committed
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
  grid.type  = gridtype; 
  grid.size  = IEG_G_NumLon(gdb)*IEG_G_NumLat(gdb);
  grid.xsize = IEG_G_NumLon(gdb);
  grid.ysize = IEG_G_NumLat(gdb);
  grid.xfirst= IEG_G_FirstLon(gdb) * 0.001;
  grid.xlast = IEG_G_LastLon(gdb) * 0.001;
  grid.xinc  = IEG_G_LonIncr(gdb) * 0.001;
  grid.xdef  = 2;	    
  grid.yfirst= IEG_G_FirstLat(gdb) * 0.001;
  grid.ylast = IEG_G_LastLat(gdb) * 0.001;
  grid.yinc  = IEG_G_LatIncr(gdb) * 0.001;
  grid.ydef  = 2;	    
  grid.xvals = NULL;
  grid.yvals = NULL;

  grid.isRotated = FALSE;
  if ( IEG_G_GridType(gdb) == 10 )
    {
      grid.isRotated = TRUE;
      grid.ypole     = - IEG_G_LatSP(gdb) * 0.001;
      grid.xpole     =   IEG_G_LonSP(gdb) * 0.001 - 180;
      grid.angle     = 0;
    }

  gridID = varDefGrid(vlistID, grid, 0);

  leveltype = iegGetZaxisType(IEG_P_LevelType(pdb));
  
  if ( leveltype == ZAXIS_HYBRID )
    {
      int i;
      double tmpvct[100];
      int vctsize = IEG_G_NumVCP(gdb);

      for ( i = 0; i < vctsize/2; i++ ) tmpvct[i] = vct[i];
      for ( i = 0; i < vctsize/2; i++ ) tmpvct[i+vctsize/2] = vct[i+50];

      varDefVCT(vctsize, tmpvct);
    }

  if ( IEG_P_LevelType(pdb) == IEG_LTYPE_HYBRID_LAYER ) lbounds = 1;

  datatype = iegInqDatatype(prec);

  varAddRecord(recID, code, gridID, leveltype, lbounds, level1, level2,
697
	       datatype, &varID, &levelID, 0, 0, 0);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
698
699
700
701

  (*record).varID   = varID;
  (*record).levelID = levelID;

Uwe Schulzweida's avatar
Uwe Schulzweida committed
702
703
  streamptr->tsteps[tsID].nallrecs++;
  streamptr->nrecs++;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
704
705
706
707
708
709
710
711
712
713
714
715
716
717

  if ( CDI_Debug )
    Message(func, "varID = %d gridID = %d levelID = %d",
	    varID, gridID, levelID);
}


void iegCmpRecord(int streamID, int tsID, int recID, off_t position, int code,
		  int level, int xsize, int ysize)
{
  static char func[] = "iegCmpRecord";
  int varID = 0;
  int levelID = 0;
  RECORD *record;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
718
  STREAM *streamptr;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
719

Uwe Schulzweida's avatar
Uwe Schulzweida committed
720
721
722
  streamptr = stream_to_pointer(streamID);

  record  = &streamptr->tsteps[tsID].records[recID];
Uwe Schulzweida's avatar
Uwe Schulzweida committed
723
724
725
726
727
728
729
730
731

  if ( code != (*record).code || level != (*record).ilevel )
    Error(func, "inconsistent timestep");

  (*record).position = position;
  /*
  varID   = (*record).varID;
  levelID = (*record).levelID;

Uwe Schulzweida's avatar
Uwe Schulzweida committed
732
  streamptr->vars[varID].level[levelID] = recID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
733

Uwe Schulzweida's avatar
Uwe Schulzweida committed
734
735
  streamptr->tsteps[tsID].nallrecs++;
  streamptr->nrecs++;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
  */
  if ( CDI_Debug )
    Message(func, "varID = %d levelID = %d", varID, levelID);
}


void iegDateTime(int *pdb, int *date, int *time)
{
  int ryear, rmonth, rday, rhour, rminute;

  ryear   = IEG_P_Year(pdb);

  rmonth  = IEG_P_Month(pdb);
  rday    = IEG_P_Day(pdb);

  rhour   = IEG_P_Hour(pdb);
  rminute = IEG_P_Minute(pdb);

  if ( rminute == -1 ) rminute = 0;

756
  *date = encode_date(ryear, rmonth, rday);
757
  *time = encode_time(rhour, rminute, 0);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
}


void iegScanTimestep1(int streamID)
{  
  static char func[] = "iegScanTimestep1";
  int prec = 0;
  int status;
  int fileID;
  int rcode = 0, rlevel = 0, vdate = 0, vtime = 0;
  DateTime datetime, datetime0;
  int tsID;
  int varID;
  long recsize;
  off_t recpos;
  int nrecords, nrecs, recID;
  int taxisID = -1;
  TAXIS *taxis;
  int vlistID;
777
  IEGCOMPVAR compVar, compVar0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
778
  IEGREC *iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
779
780
781
  STREAM *streamptr;

  streamptr = stream_to_pointer(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
782

Uwe Schulzweida's avatar
Uwe Schulzweida committed
783
  stream_check_ptr(func, streamptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
784

Uwe Schulzweida's avatar
Uwe Schulzweida committed
785
  streamptr->curTsID = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
786

Uwe Schulzweida's avatar
Uwe Schulzweida committed
787
  iegp  = streamptr->record->iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
788
  tsID  = tstepsNewEntry(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
789
  taxis = &streamptr->tsteps[tsID].taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
790
791
792
793
794
795
796
797
798
799
800
801
802

  if ( tsID != 0 )
    Error(func, "Internal problem! tstepsNewEntry returns %d", tsID);

  fileID = streamInqFileID(streamID);

  nrecs = 0;
  while ( TRUE )
    {
      recpos = fileGetPos(fileID);
      status = iegRead(fileID, iegp);
      if ( status != 0 )
	{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
803
	  streamptr->ntsteps = 1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
804
805
806
807
808
809
810
811
812
813
814
	  break;
	}
      recsize = fileGetPos(fileID) - recpos;

      prec   = iegp->dprec;
      rcode  = IEG_P_Parameter(iegp->ipdb);
      if ( IEG_P_LevelType(iegp->ipdb) == IEG_LTYPE_HYBRID_LAYER )
	rlevel = IEG_P_Level1(iegp->ipdb);
      else
	rlevel = IEG_P_Level2(iegp->ipdb);

815
816
      if ( IEG_P_LevelType(iegp->ipdb) == 100 ) rlevel *= 100;

Uwe Schulzweida's avatar
Uwe Schulzweida committed
817
818
819
820
821
822
823
824
825
826
827
      iegDateTime(iegp->ipdb, &vdate, &vtime);

      if ( nrecs == 0 )
	{
	  datetime0.date = vdate;
	  datetime0.time = vtime;
	}
      else
	{
	  datetime.date = vdate;
	  datetime.time = vtime;
828
829
	  compVar.code  = rcode;
          compVar.level = rlevel;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
830
831
	  for ( recID = 0; recID < nrecs; recID++ )
	    {
832
833
834
835
	      compVar0.code  = streamptr->tsteps[0].records[recID].code;
	      compVar0.level = streamptr->tsteps[0].records[recID].ilevel;

	      if ( memcmp(&compVar0, &compVar, sizeof(IEGCOMPVAR)) == 0 ) break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
836
837
838
839
840
841
842
843
844
845
846
847
848
849
	    }
	  if ( recID < nrecs ) break;
	  if ( memcmp(&datetime, &datetime0, sizeof(DateTime)) )
	    Warning(func, "Inconsistent verification time for code %d level %d", rcode, rlevel);
	}

      nrecs++;

      if ( CDI_Debug )
	Message(func, "%4d%8d%4d%8d%8d%6d", nrecs, (int)recpos, rcode, rlevel, vdate, vtime);

      iegAddRecord(streamID, rcode, iegp->ipdb, iegp->igdb, iegp->vct, recsize, recpos, prec);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
850
  streamptr->rtsteps = 1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
851
852
853

  cdiGenVars(streamID);

854
  taxisID = taxisCreate(TAXIS_ABSOLUTE);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
855
856
857
858
859
860
861
862
863
  taxis->type  = TAXIS_ABSOLUTE;
  taxis->vdate = datetime0.date;
  taxis->vtime = datetime0.time;

  vlistID = streamInqVlist(streamID);
  vlistDefTaxis(vlistID, taxisID);

  cdiCheckContents(streamID);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
864
865
  nrecords = streamptr->tsteps[0].nallrecs;
  if ( nrecords < streamptr->tsteps[0].recordSize )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
866
    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
867
868
869
      streamptr->tsteps[0].recordSize = nrecords;
      streamptr->tsteps[0].records =
	(RECORD *) realloc(streamptr->tsteps[0].records, nrecords*sizeof(RECORD));
Uwe Schulzweida's avatar
Uwe Schulzweida committed
870
871
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
872
873
  streamptr->tsteps[0].recIDs = (int *) malloc(nrecords*sizeof(int));
  streamptr->tsteps[0].nrecs = nrecords;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
874
  for ( recID = 0; recID < nrecords; recID++ )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
875
    streamptr->tsteps[0].recIDs[recID] = recID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
876

Uwe Schulzweida's avatar
Uwe Schulzweida committed
877
  if ( streamptr->ntsteps == -1 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
878
879
    {
      tsID = tstepsNewEntry(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
880
      if ( tsID != streamptr->rtsteps )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
881
882
	Error(func, "Internal error. tsID = %d", tsID);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
883
884
      streamptr->tsteps[tsID-1].next   = TRUE;
      streamptr->tsteps[tsID].position = recpos;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
885
886
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
887
  if ( streamptr->ntsteps == 1 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
888
889
890
    {
      if ( taxis->vdate == 0 && taxis->vtime == 0 )
	{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
891
892
	  streamptr->ntsteps = 0;
	  for ( varID = 0; varID < streamptr->nvars; varID++ )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
	    {
	      vlistDefVarTime(vlistID, varID, TIME_CONSTANT);
	    }
	}
    }
}


int iegScanTimestep2(int streamID)
{  
  static char func[] = "iegScanTimestep2";
  int status;
  int fileID;
  int rcode = 0, rlevel = 0, vdate = 0, vtime = 0;
  int tsID;
  int varID;
  long recsize;
  off_t recpos = 0;
  int nrecords, nrecs, recID, rindex;
  int nextstep;
  TAXIS *taxis;
  int vlistID;
915
  IEGCOMPVAR compVar, compVar0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
916
  IEGREC *iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
917
  STREAM *streamptr;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
918

Uwe Schulzweida's avatar
Uwe Schulzweida committed
919
  streamptr = stream_to_pointer(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
920

Uwe Schulzweida's avatar
Uwe Schulzweida committed
921
922
923
  stream_check_ptr(func, streamptr);

  streamptr->curTsID = 1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
924
925
926

  vlistID = streamInqVlist(streamID);
  fileID  = streamInqFileID(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
927
  iegp    = streamptr->record->iegp;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
928

Uwe Schulzweida's avatar
Uwe Schulzweida committed
929
  tsID = streamptr->rtsteps;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
930
931
932
  if ( tsID != 1 )
    Error(func, "Internal problem! unexpeceted timestep %d", tsID+1);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
933
  taxis = &streamptr->tsteps[tsID].taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
934

Uwe Schulzweida's avatar
Uwe Schulzweida committed
935
  fileSetPos(fileID, streamptr->tsteps[tsID].position, SEEK_SET);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
936
937
938

  cdiCreateRecords(streamID, tsID);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
939
940
941
  nrecords = streamptr->tsteps[0].nallrecs;
  streamptr->tsteps[1].recIDs = (int *) malloc(nrecords*sizeof(int));
  streamptr->tsteps[1].nrecs = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
942
  for ( recID = 0; recID < nrecords; recID++ )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
943
    streamptr->tsteps[1].recIDs[recID] = -1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
944
945
946

  for ( recID = 0; recID < nrecords; recID++ )
    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
947
948
949
950
951
      varID = streamptr->tsteps[0].records[recID].varID;
      streamptr->tsteps[tsID].records[recID].position = 
	streamptr->tsteps[0].records[recID].position;
      streamptr->tsteps[tsID].records[recID].size     = 
	streamptr->tsteps[0].records[recID].size;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
952
953
954
955
956
957
958
959
    }

  for ( rindex = 0; rindex <= nrecords; rindex++ )
    {
      recpos = fileGetPos(fileID);
      status = iegRead(fileID, iegp);
      if ( status != 0 )
	{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
960
	  streamptr->ntsteps = 2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
961
962
963
964
965
966
967
968
969
970
	  break;
	}
      recsize = fileGetPos(fileID) - recpos;

      rcode  = IEG_P_Parameter(iegp->ipdb);
      if ( IEG_P_LevelType(iegp->ipdb) == IEG_LTYPE_HYBRID_LAYER )
	rlevel = IEG_P_Level1(iegp->ipdb);
      else
	rlevel = IEG_P_Level2(iegp->ipdb);

971
972
      if ( IEG_P_LevelType(iegp->ipdb) == 100 ) rlevel *= 100;

Uwe Schulzweida's avatar
Uwe Schulzweida committed
973
974
975
976
977
978
979
980
981
      iegDateTime(iegp->ipdb, &vdate, &vtime);

      if ( rindex == 0 )
	{
	  taxis->type  = TAXIS_ABSOLUTE;
	  taxis->vdate = vdate;
	  taxis->vtime = vtime;
	}

982
983
      compVar.code  = rcode;
      compVar.level = rlevel;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
984
985
986
      nextstep = FALSE;
      for ( recID = 0; recID < nrecords; recID++ )
	{
987
988
989
990
	  compVar0.code  = streamptr->tsteps[tsID].records[recID].code;
	  compVar0.level = streamptr->tsteps[tsID].records[recID].ilevel;

	  if ( memcmp(&compVar0, &compVar, sizeof(IEGCOMPVAR)) == 0 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
991
	    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
992
	      if ( streamptr->tsteps[tsID].records[recID].used )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
993
994
995
996
997
		{
		  nextstep = TRUE;
		}
	      else
		{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
998
999
		  streamptr->tsteps[tsID].records[recID].used = TRUE;
		  streamptr->tsteps[tsID].recIDs[rindex] = recID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1000
		}
For faster browsing, not all history is shown. View entire blame