stream_cgribex.c 54.4 KB
Newer Older
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif

#include <stdio.h>
#include <float.h>  /* FLT_EPSILON */

#include "dmemory.h"
#include "cdi.h"
#include "stream_int.h"
#include "file.h"
#include "varscan.h"
#include "datetime.h"
#include "vlist.h"
Uwe Schulzweida's avatar
Uwe Schulzweida committed
15
#include "stream_grb.h"
Uwe Schulzweida's avatar
Uwe Schulzweida committed
16

Uwe Schulzweida's avatar
Uwe Schulzweida committed
17
18
19
#if  defined  (HAVE_LIBCGRIBEX)
#  include "cgribex.h"
#endif
Uwe Schulzweida's avatar
Uwe Schulzweida committed
20

Uwe Schulzweida's avatar
Uwe Schulzweida committed
21
extern int cdiInventoryMode;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
22
23

typedef struct {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
24
  int param;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
25
26
27
  int level1;
  int level2;
  int ltype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
28
} compvar_t; 
Uwe Schulzweida's avatar
Uwe Schulzweida committed
29
30


Uwe Schulzweida's avatar
Uwe Schulzweida committed
31
static
Uwe Schulzweida's avatar
Uwe Schulzweida committed
32
int cgribexGetGridType(int *isec2)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
33
{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
34
  /*  static const char *func = "cgribexGetGridType"; */
Uwe Schulzweida's avatar
Uwe Schulzweida committed
35
36
37
38
  int gridtype = 0;

  switch (ISEC2_GridType)
    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
39
40
    case  GTYPE_LATLON:
    case  GTYPE_LATLON_ROT:
Uwe Schulzweida's avatar
Uwe Schulzweida committed
41
42
43
44
      {
	gridtype = GRID_LONLAT;
	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
45
    case  GTYPE_LCC:
46
      {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
47
	gridtype = GRID_LCC;
48
49
	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
50
    case  GTYPE_GAUSSIAN:
Uwe Schulzweida's avatar
Uwe Schulzweida committed
51
52
53
54
55
56
57
      {
	if ( ISEC2_Reduced )
	  gridtype = GRID_GAUSSIAN_REDUCED;
	else
	  gridtype = GRID_GAUSSIAN;
	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
58
    case  GTYPE_SPECTRAL:
Uwe Schulzweida's avatar
Uwe Schulzweida committed
59
60
61
62
      {
	gridtype = GRID_SPECTRAL;
	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
63
    case  GTYPE_GME:
Uwe Schulzweida's avatar
Uwe Schulzweida committed
64
65
66
67
68
69
70
71
72
73
74
75
76
77
      {
	gridtype = GRID_GME;
	break;
      }
    default:
      {
	gridtype = GRID_GENERIC;
	break;
      }
    }

  return (gridtype);
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
78
static
Uwe Schulzweida's avatar
Uwe Schulzweida committed
79
int cgribexGetIsRotated(int *isec2)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
80
{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
81
  /*  static const char *func = "cgribexGetIsRotated"; */
Uwe Schulzweida's avatar
Uwe Schulzweida committed
82
83
84
85
86
87
88
89
90
91
  int isRotated = 0;

  if ( ISEC2_GridType == 10 )
    {
      isRotated = 1;
    }

  return (isRotated);
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
92
static
Uwe Schulzweida's avatar
Uwe Schulzweida committed
93
int cgribexGetZaxisType(int grb_ltype)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
94
{
95
  int zaxistype = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
96

97
  switch ( grb_ltype )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
98
99
100
    {
    case LTYPE_SURFACE:
      {
101
	zaxistype = ZAXIS_SURFACE;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
102
103
	break;
      }
104
105
106
107
108
    case LTYPE_MEANSEA:
      {
	zaxistype = ZAXIS_MEANSEA;
	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
109
110
111
    case LTYPE_99:
    case LTYPE_ISOBARIC:
      {
112
	zaxistype = ZAXIS_PRESSURE;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
113
114
115
116
	break;
      }
    case LTYPE_HEIGHT:
      {
117
	zaxistype = ZAXIS_HEIGHT;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
118
119
120
121
	break;
      }
    case LTYPE_ALTITUDE:
      {
122
	zaxistype = ZAXIS_ALTITUDE;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
123
124
	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
125
126
    case LTYPE_SIGMA:
      {
127
	zaxistype = ZAXIS_SIGMA;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
128
129
	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
130
131
132
    case LTYPE_HYBRID:
    case LTYPE_HYBRID_LAYER:
      {
133
	zaxistype = ZAXIS_HYBRID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
134
135
136
137
138
	break;
      }
    case LTYPE_LANDDEPTH:
    case LTYPE_LANDDEPTH_LAYER:
      {
139
	zaxistype = ZAXIS_DEPTH_BELOW_LAND;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
140
141
	break;
      }
142
143
    case LTYPE_ISENTROPIC:
      {
144
	zaxistype = ZAXIS_ISENTROPIC;
145
146
	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
147
148
    case LTYPE_SEADEPTH:
      {
149
	zaxistype = ZAXIS_DEPTH_BELOW_SEA;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
150
151
152
153
	break;
      }
    default:
      {
154
	zaxistype = ZAXIS_GENERIC;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
155
156
157
158
	break;
      }
    }

159
  return (zaxistype);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
160
161
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
162
static
Uwe Schulzweida's avatar
Uwe Schulzweida committed
163
int cgribexGetZaxisHasBounds(int grb_ltype)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
164
165
166
{
  int lbounds = 0;

167
  switch (grb_ltype)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
168
169
170
171
172
173
174
175
176
177
178
179
    {
    case LTYPE_HYBRID_LAYER:
    case LTYPE_LANDDEPTH_LAYER:
      {
	lbounds = 1;
	break;
      }
    }

  return (lbounds);
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
180
static
Uwe Schulzweida's avatar
Uwe Schulzweida committed
181
int cgribexGetTimeUnit(int *isec1)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
182
{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
183
  static const char *func = "cgribexGetTimeUnit";
Uwe Schulzweida's avatar
Uwe Schulzweida committed
184
185
186
187
188
  int timeunit = -1;
  static int lprint = TRUE;

  switch ( ISEC1_TimeUnit )
    {
189
190
191
    case ISEC1_TABLE4_MINUTE:  timeunit = TUNIT_MINUTE;  break;
    case ISEC1_TABLE4_QUARTER: timeunit = TUNIT_QUARTER; break;
    case ISEC1_TABLE4_HOUR:    timeunit = TUNIT_HOUR;    break;
192
193
194
    case ISEC1_TABLE4_3HOURS:  timeunit = TUNIT_3HOURS;  break;
    case ISEC1_TABLE4_6HOURS:  timeunit = TUNIT_6HOURS;  break;
    case ISEC1_TABLE4_12HOURS: timeunit = TUNIT_12HOURS; break;
195
    case ISEC1_TABLE4_DAY:     timeunit = TUNIT_DAY;     break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
196
197
198
199
200
201
202
203
204
205
206
    default:
      if ( lprint )
	{
	  Message(func, "Time unit %d unsupported", ISEC1_TimeUnit);
	  lprint = FALSE;
	}
    }

  return (timeunit);
}

207
208
209
210
211
212
213
214
215
216
217
218
219
220
static
int cgribexTimeIsFC(int *isec1)
{
  int isFC = TRUE;

  if ( ISEC1_TimeRange == 10 && ISEC1_TimePeriod1 == 0 && ISEC1_TimePeriod2 == 0 )
    isFC = FALSE;

  return (isFC);
}

static
int cgribexGetTsteptype(int timerange)
{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
221
  static const char *func = "cgribexGetTsteptype";
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
  int tsteptype = 0;
  static int lprint = TRUE;

  switch ( timerange )
    {
    case  0:  tsteptype = TSTEP_INSTANT;  break;
    case  1:  tsteptype = TSTEP_INSTANT2; break;
    case  2:  tsteptype = TSTEP_RANGE;    break;
    case  3:  tsteptype = TSTEP_AVG;      break;
    case  4:  tsteptype = TSTEP_ACCUM;    break;
    case  5:  tsteptype = TSTEP_DIFF;     break;
    case 10:  tsteptype = TSTEP_INSTANT3; break;
    default:
      if ( lprint )
	{
	  Message(func, "Time range %d unsupported", timerange);
	  lprint = FALSE;
	}
    }

  return (tsteptype);
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
245

Uwe Schulzweida's avatar
Uwe Schulzweida committed
246
static
247
248
void cgribexAddRecord(int streamID, int param, int *isec1, int *isec2, double *fsec2, double *fsec3,
		      int *isec4, long recsize, off_t position, int prec, int ztype, int lmv)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
249
{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
250
  static const char *func = "cgribexAddRecord";
Uwe Schulzweida's avatar
Uwe Schulzweida committed
251
  int gridtype;
252
  int zaxistype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
253
  int gridID = CDI_UNDEFID, varID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
254
255
256
257
  int levelID = 0;
  int tsID, recID;
  int level1, level2;
  int numavg;
258
  int tsteptype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
259
  int lbounds = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
260
  record_t *record;
261
  grid_t grid;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
262
  int vlistID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
263
  stream_t *streamptr;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
264
265

  streamptr = stream_to_pointer(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
266
267

  vlistID = streamInqVlist(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
268
  tsID    = streamptr->curTsID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
269
  recID   = recordNewEntry(streamID, tsID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
270
  record  = &streamptr->tsteps[tsID].records[recID];
Uwe Schulzweida's avatar
Uwe Schulzweida committed
271

272
273
  tsteptype = cgribexGetTsteptype(ISEC1_TimeRange);
  numavg    = ISEC1_AvgNum;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
274
275
276
277

  level1  = ISEC1_Level1;
  level2  = ISEC1_Level2;

Uwe Schulzweida's avatar
Uwe Schulzweida committed
278
  /* fprintf(stderr, "param %d %d %d %d\n", param, level1, level2, ISEC1_LevelType); */
Uwe Schulzweida's avatar
Uwe Schulzweida committed
279
280
281

  (*record).size     = recsize;
  (*record).position = position;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
282
  (*record).param    = param;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
283
284
285
286
  (*record).ilevel   = level1;
  (*record).ilevel2  = level2;
  (*record).ltype    = ISEC1_LevelType;

Uwe Schulzweida's avatar
Uwe Schulzweida committed
287
  gridtype = cgribexGetGridType(isec2);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
288

Uwe Schulzweida's avatar
Uwe Schulzweida committed
289
  if ( streamptr->unreduced && gridtype == GRID_GAUSSIAN_REDUCED )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
290
291
292
293
294
295
    {
      gridtype = GRID_GAUSSIAN;
      ISEC2_NumLon = 2*ISEC2_NumLat;
      ISEC4_NumValues = ISEC2_NumLon*ISEC2_NumLat;
    }

296
  memset(&grid, 0, sizeof(grid_t));
Uwe Schulzweida's avatar
Uwe Schulzweida committed
297
298
299
300
301
302
  switch (gridtype)
    {
    case GRID_LONLAT:
    case GRID_GAUSSIAN:
      {
	if ( ISEC4_NumValues != ISEC2_NumLon*ISEC2_NumLat )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
303
	  Error(func, "numberOfPoints (%d) and gridSize (%d) differ!",
Uwe Schulzweida's avatar
Uwe Schulzweida committed
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
383
384
385
386
387
388
		ISEC4_NumValues, ISEC2_NumLon*ISEC2_NumLat);
	grid.size  = ISEC4_NumValues;
	grid.xsize = ISEC2_NumLon;
	grid.ysize = ISEC2_NumLat;
	grid.xinc  = 0;
	grid.yinc  = 0;
	grid.xdef  = 0;
	/* if ( ISEC2_FirstLon != 0 || ISEC2_LastLon != 0 ) */
	  {
	    if ( grid.xsize > 1 )
	      {
		if ( ISEC2_ResFlag && ISEC2_LonIncr > 0 )
		  grid.xinc = ISEC2_LonIncr * 0.001;
		else
		  grid.xinc = (ISEC2_LastLon - ISEC2_FirstLon) * 0.001 / (grid.xsize - 1);

		/* correct xinc if necessary */
		if ( ISEC2_FirstLon == 0 && ISEC2_LastLon > 354000 )
		  {
		    double xinc = 360. / grid.xsize;

		    if ( fabs(grid.xinc-xinc) > 0.0 )
		      {
			grid.xinc = xinc;
			if ( CDI_Debug ) Message(func, "set xinc to %g", grid.xinc);
		      }
		  }
	      }
	    grid.xfirst = ISEC2_FirstLon * 0.001;
	    grid.xlast  = ISEC2_LastLon  * 0.001;
	    grid.xdef   = 2;	    
	  }
	grid.ydef  = 0;
	/* if ( ISEC2_FirstLat != 0 || ISEC2_LastLat != 0 ) */
	  {
	    if ( grid.ysize > 1 )
	      {
		if ( ISEC2_ResFlag && ISEC2_LatIncr > 0 )
		  grid.yinc = ISEC2_LatIncr * 0.001;
		else
		  grid.yinc = (ISEC2_LastLat - ISEC2_FirstLat) * 0.001 / (grid.ysize - 1);
	      }
	    grid.yfirst = ISEC2_FirstLat * 0.001;
	    grid.ylast  = ISEC2_LastLat  * 0.001;
	    grid.ydef   = 2;	    
	  }
	break;
      }
    case GRID_GAUSSIAN_REDUCED:
      {
	grid.size   = ISEC4_NumValues;
        grid.rowlon = ISEC2_RowLonPtr;
	grid.ysize  = ISEC2_NumLat;
	grid.xinc  = 0;
	grid.yinc  = 0;
	grid.xdef  = 0;
	/* if ( ISEC2_FirstLon != 0 || ISEC2_LastLon != 0 ) */
	  {
	    if ( grid.xsize > 1 )
	      {
		if ( ISEC2_ResFlag && ISEC2_LonIncr > 0 )
		  grid.xinc = ISEC2_LonIncr * 0.001;
		else
		  grid.xinc = (ISEC2_LastLon - ISEC2_FirstLon) * 0.001 / (grid.xsize - 1);
	      }
	    grid.xfirst = ISEC2_FirstLon * 0.001;
	    grid.xlast  = ISEC2_LastLon  * 0.001;
	    grid.xdef   = 2;	    
	  }
	grid.ydef  = 0;
	/* if ( ISEC2_FirstLat != 0 || ISEC2_LastLat != 0 ) */
	  {
	    if ( grid.ysize > 1 )
	      {
		if ( ISEC2_ResFlag && ISEC2_LatIncr > 0 )
		  grid.yinc = ISEC2_LatIncr * 0.001;
		else
		  grid.yinc = (ISEC2_LastLat - ISEC2_FirstLat) * 0.001 / (grid.ysize - 1);
	      }
	    grid.yfirst = ISEC2_FirstLat * 0.001;
	    grid.ylast  = ISEC2_LastLat  * 0.001;
	    grid.ydef   = 2;	    
	  }
	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
389
    case GRID_LCC:
390
391
      {
	if ( ISEC4_NumValues != ISEC2_NumLon*ISEC2_NumLat )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
392
	  Error(func, "numberOfPoints (%d) and gridSize (%d) differ!",
393
		ISEC4_NumValues, ISEC2_NumLon*ISEC2_NumLat);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
394

395
396
397
398
	grid.size  = ISEC4_NumValues;
	grid.xsize = ISEC2_NumLon;
	grid.ysize = ISEC2_NumLat;

399
400
	grid.lcc_xinc      = ISEC2_Lambert_dx;
	grid.lcc_yinc      = ISEC2_Lambert_dy;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
401
402
	grid.lcc_originLon = ISEC2_FirstLon * 0.001;
	grid.lcc_originLat = ISEC2_FirstLat * 0.001;
403
404
405
406
407
	grid.lcc_lonParY   = ISEC2_Lambert_Lov * 0.001;
	grid.lcc_lat1      = ISEC2_Lambert_LatS1 * 0.001;
	grid.lcc_lat2      = ISEC2_Lambert_LatS2 * 0.001;
	grid.lcc_projflag  = ISEC2_Lambert_ProjFlag;
	grid.lcc_scanflag  = ISEC2_ScanFlag;
408

409
	grid.xdef   = 0;	    
410
411
412
413
	grid.ydef   = 0;

	break;
      }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
414
415
416
417
    case GRID_SPECTRAL:
      {
	grid.size  = ISEC4_NumValues;
	grid.trunc = ISEC2_PentaJ;
418
419
420
421
422
	if ( ISEC2_RepMode == 2 )
	  grid.lcomplex = 1;
	else
	  grid.lcomplex = 0;

Uwe Schulzweida's avatar
Uwe Schulzweida committed
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
	break;
      }
    case GRID_GME:
      {
	grid.size  = ISEC4_NumValues;
	grid.nd    = ISEC2_GME_ND;
	grid.ni    = ISEC2_GME_NI;
	grid.ni2   = ISEC2_GME_NI2;
	grid.ni3   = ISEC2_GME_NI3;
	break;
      }
    case GRID_GENERIC:
      {
	grid.size  = ISEC4_NumValues;
	grid.xsize = 0;
	grid.ysize = 0;
	break;
      }
    default:
      {
443
	Error(func, "Unsupported grid type: %s", gridNamePtr(gridtype));
Uwe Schulzweida's avatar
Uwe Schulzweida committed
444
445
446
447
448
	break;
      }
    }

  grid.isRotated = FALSE;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
449
  if ( cgribexGetIsRotated(isec2) )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
450
451
452
453
454
455
456
457
458
459
460
461
462
    {
      grid.isRotated = TRUE;
      grid.ypole     = - ISEC2_LatSP * 0.001;
      grid.xpole     =   ISEC2_LonSP * 0.001 - 180;
      grid.angle     = 0;
    }

  grid.xvals = NULL;
  grid.yvals = NULL;
  grid.type  = gridtype;

  gridID = varDefGrid(vlistID, grid, 0);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
463
  zaxistype = cgribexGetZaxisType(ISEC1_LevelType);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
464

465
  if ( zaxistype == ZAXIS_HYBRID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
466
467
468
469
470
471
472
    {
      int vctsize = ISEC2_NumVCP;
      double *vctptr = &fsec2[10];

      varDefVCT(vctsize, vctptr);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
473
  lbounds = cgribexGetZaxisHasBounds(ISEC1_LevelType);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
474

475
476
  if ( prec > 32 ) prec = DATATYPE_PACK32;
  if ( prec <  0 ) prec = DATATYPE_PACK;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
477

Uwe Schulzweida's avatar
Uwe Schulzweida committed
478
  varAddRecord(recID, param, gridID, zaxistype, lbounds, level1, level2,
479
	       prec, &varID, &levelID, tsteptype, numavg, ISEC1_LevelType, NULL, NULL, NULL);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
480
481
482
483

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

484
  varDefZtype(varID, ztype);
485

486
487
  if ( lmv ) varDefMissval(varID, FSEC3_MissVal);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
488
  if ( varInqInst(varID) == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
489
490
491
492
493
    {
      int center, subcenter, instID;
      center    = ISEC1_CenterID;
      subcenter = ISEC1_SubCenterID;
      instID    = institutInq(center, subcenter, NULL, NULL);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
494
      if ( instID == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
495
496
497
498
	instID = institutDef(center, subcenter, NULL, NULL);
      varDefInst(varID, instID);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
499
  if ( varInqModel(varID) == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
500
501
502
    {
      int modelID;
      modelID = modelInq(varInqInst(varID), ISEC1_ModelID, NULL);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
503
      if ( modelID == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
504
505
506
507
	modelID = modelDef(varInqInst(varID), ISEC1_ModelID, NULL);
      varDefModel(varID, modelID);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
508
  if ( varInqTable(varID) == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
509
510
    {
      int tableID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
511

Uwe Schulzweida's avatar
Uwe Schulzweida committed
512
      tableID = tableInq(varInqModel(varID), ISEC1_CodeTable, NULL);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
513

Uwe Schulzweida's avatar
Uwe Schulzweida committed
514
      if ( tableID == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
515
516
517
518
	tableID = tableDef(varInqModel(varID), ISEC1_CodeTable, NULL);
      varDefTable(varID, tableID);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
519
520
  streamptr->tsteps[tsID].nallrecs++;
  streamptr->nrecs++;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
521
522

  if ( CDI_Debug )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
523
524
    Message(func, "varID = %d  param = %d  zaxistype = %d  gridID = %d  levelID = %d",
	    varID, param, zaxistype, gridID, levelID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
525
526
}

527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
static
void MCH_get_undef(int *isec1, double *undef_pds, double *undef_eps)
{
  /* 2010-01-13: Oliver Fuhrer */
  if ( ISEC1_CenterID == 215 ) {
    if (isec1[34] != 0 && isec1[34] != 255) {
      if (isec1[34] & 2) {
        if (isec1[34] & 1) {
          *undef_pds = -0.99*pow(10.0,-isec1[35]);
        } else {
          *undef_pds = +0.99*pow(10.0,-isec1[35]);
        }
        *undef_eps = pow(10.0,-isec1[35]-1);
      } else {
        if (isec1[34] & 1) {
          *undef_pds = -0.99*pow(10.0,+isec1[35]);
        } else {
          *undef_pds = +0.99*pow(10.0,+isec1[35]);
        }
        *undef_eps = pow(10.0,isec1[35]-1);
      }
    }
  }
}

static
void cgribexDecodeHeader(int *isec0, int *isec1, int *isec2, double *fsec2,
			 int *isec3, double *fsec3, int *isec4, double *fsec4, 
			 int *gribbuffer, int recsize, int *lmv)
{
  int iret = 0, ipunp = 0, iword = 0;

  gribExDP(isec0, isec1, isec2, fsec2, isec3, fsec3, isec4, fsec4,
	   ipunp, (int *) gribbuffer, recsize, &iword, "J", &iret);

  *lmv = 0;

  if ( ISEC1_CenterID == 215 && (isec1[34] != 0 && isec1[34] != 255) )
    {
      double undef_pds, undef_eps;

      MCH_get_undef(isec1, &undef_pds, &undef_eps);
      FSEC3_MissVal = undef_pds;
      *lmv = 1;
    }
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
574
575

void cgribexScanTimestep1(int streamID)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
576
{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
577
  static const char *func = "cgribexScanTimestep1";
Uwe Schulzweida's avatar
Uwe Schulzweida committed
578
579
  int *isec0, *isec1, *isec2, *isec3, *isec4;
  double fsec2[512], fsec3[2], *fsec4 = NULL;
580
  int lmv = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
581
582
583
584
585
  off_t recpos = 0;
  unsigned char *gribbuffer = NULL;
  long buffersize = 0;
  int status;
  int fileID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
586
587
  int param = 0;
  int level1 = 0, level2 = 0, vdate = 0, vtime = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
588
589
590
591
592
593
594
  DateTime datetime, datetime0;
  int tsID;
  int varID;
  size_t readsize;
  int nrecords, nrecs, recID;
  int prec;
  long recsize = 0;
595
  int warn_time = TRUE;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
596
597
598
  int warn_numavg = TRUE;
  int taxisID = -1;
  int rdate = 0, rtime = 0, tunit = 0, fcast = 0;
599
  taxis_t *taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
600
  int vlistID;
601
  int ztype;
602
  long unzipsize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
603
604
  compvar_t compVar, compVar0;
  stream_t *streamptr;
605
606
  extern int cdiSkipRecords;
  int nskip = cdiSkipRecords;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
607
608

  streamptr = stream_to_pointer(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
609

Uwe Schulzweida's avatar
Uwe Schulzweida committed
610
  stream_check_ptr(func, streamptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
611

Uwe Schulzweida's avatar
Uwe Schulzweida committed
612
  streamptr->curTsID = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
613

Uwe Schulzweida's avatar
Uwe Schulzweida committed
614
615
616
617
618
  isec0 = streamptr->record->sec0;
  isec1 = streamptr->record->sec1;
  isec2 = streamptr->record->sec2;
  isec3 = streamptr->record->sec3;
  isec4 = streamptr->record->sec4;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
619
620

  tsID  = tstepsNewEntry(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
621
  taxis = &streamptr->tsteps[tsID].taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
622
623
624
625
626
627

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

  fileID = streamInqFileID(streamID);

628
629
630
  while ( nskip-- > 0 )
    {
      recsize = gribGetSize(fileID);
631
632
633
      if ( recsize == 0 )
	Error(func, "Skipping of %d records failed!", cdiSkipRecords);

634
635
636
637
      recpos  = fileGetPos(fileID);
      fileSetPos(fileID, recsize, SEEK_CUR);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
638
639
640
641
642
643
644
645
  nrecs = 0;
  while ( TRUE )
    {
      recsize = gribGetSize(fileID);
      recpos  = fileGetPos(fileID);

      if ( recsize == 0 )
	{
646
647
648
	  if ( nrecs == 0 )
	    Error(func, "No GRIB records found!");

Uwe Schulzweida's avatar
Uwe Schulzweida committed
649
	  streamptr->ntsteps = 1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
650
651
652
653
654
655
656
657
658
659
660
661
	  break;
	}
      if ( recsize > buffersize )
	{
	  buffersize = recsize;
	  gribbuffer = (unsigned char *) realloc(gribbuffer, buffersize);
	}

      readsize = recsize;
      status = gribRead(fileID, gribbuffer, &readsize);
      if ( status ) break;

662
      ztype = COMPRESS_NONE;
663
664
      if ( gribGetZip(recsize, gribbuffer, &unzipsize) > 0 )
	{
665
	  ztype = COMPRESS_SZIP;
666
667
668
669
670
671
672
673
	  unzipsize += 100; /* need 0 to 1 bytes for rounding of bds */
	  if ( (long) buffersize < unzipsize )
	    {
	      buffersize = unzipsize;
	      gribbuffer = (unsigned char *) realloc(gribbuffer, buffersize);
	    }
	}

674
675
      cgribexDecodeHeader(isec0, isec1, isec2, fsec2, isec3, fsec3, isec4, fsec4,
			  (int *) gribbuffer, recsize, &lmv);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
676

Uwe Schulzweida's avatar
Uwe Schulzweida committed
677
      param = cdiEncodeParam(ISEC1_Parameter, ISEC1_CodeTable, 255);
678
679
      if ( ISEC1_LevelType == 100 ) ISEC1_Level1 *= 100;
      if ( ISEC1_LevelType ==  99 ) ISEC1_LevelType = 100;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
680
681
682
      level1   = ISEC1_Level1;
      level2   = ISEC1_Level2;

Uwe Schulzweida's avatar
Uwe Schulzweida committed
683
684
      gribDateTime(isec1, &vdate, &vtime);

685
686
687
688
      if ( ISEC4_NumBits > 0 && ISEC4_NumBits <= 32 )
	prec = ISEC4_NumBits;
      else
        prec = DATATYPE_PACK;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
689
690
691
692
693
694
695

      if ( nrecs == 0 )
	{
	  datetime0.date = vdate;
	  datetime0.time = vtime;
	  rdate = gribRefDate(isec1);
	  rtime = gribRefTime(isec1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
696
	  tunit = cgribexGetTimeUnit(isec1);
697
	  fcast = cgribexTimeIsFC(isec1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
698
699
700
701
702
	}
      else
	{
	  datetime.date  = vdate;
	  datetime.time  = vtime;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
703
	  compVar.param  = param;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
704
705
706
707
708
          compVar.level1 = level1;
          compVar.level2 = level2;
          compVar.ltype  = ISEC1_LevelType;
	  for ( recID = 0; recID < nrecs; recID++ )
	    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
709
	      compVar0.param  = streamptr->tsteps[0].records[recID].param;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
710
711
712
	      compVar0.level1 = streamptr->tsteps[0].records[recID].ilevel;
	      compVar0.level2 = streamptr->tsteps[0].records[recID].ilevel2;
	      compVar0.ltype  = streamptr->tsteps[0].records[recID].ltype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
713

Uwe Schulzweida's avatar
Uwe Schulzweida committed
714
	      if ( memcmp(&compVar0, &compVar, sizeof(compvar_t)) == 0 ) break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
715
	    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
716
717
718
719
720
721
722

	  if ( cdiInventoryMode == 1 )
	    {
	      if ( recID < nrecs ) break;
	      if ( warn_time )
		if ( memcmp(&datetime, &datetime0, sizeof(DateTime)) != 0 )
		  {
723
724
725
		    char paramstr[32];
		    cdiParamToString(param, paramstr, sizeof(paramstr));
		    Warning(func, "Inconsistent verification time (param=%s level=%d)", paramstr, level1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
726
727
728
729
730
731
732
733
734
		    warn_time = FALSE;
		  }
	    }
	  else
	    {
	      if ( memcmp(&datetime, &datetime0, sizeof(DateTime)) != 0 ) break;

	      if ( recID < nrecs )
		{
735
736
737
		  char paramstr[32];
		  cdiParamToString(param, paramstr, sizeof(paramstr));
		  Warning(func, "Param=%s level=%d already exist, skipped!", paramstr, level1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
738
739
740
		  continue;
		}
	    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
741
742
743
744
745
746
	}

      if ( ISEC1_AvgNum )
	{
	  if (  taxis->numavg && warn_numavg && (taxis->numavg != ISEC1_AvgNum) )
	    {
747
	      Warning(func, "Changing numavg from %d to %d not supported!",
Uwe Schulzweida's avatar
Uwe Schulzweida committed
748
749
750
751
752
753
754
755
756
757
758
759
		      taxis->numavg, ISEC1_AvgNum);
	      warn_numavg = FALSE;
	    }
	  else
	    {
	      taxis->numavg = ISEC1_AvgNum;
	    }
	}

      nrecs++;

      if ( CDI_Debug )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
760
	Message(func, "%4d %8d %4d  %8d %8d %6d", nrecs, (int)recpos, param, level1, vdate, vtime);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
761

762
763
      cgribexAddRecord(streamID, param, isec1, isec2, fsec2, fsec3,
		       isec4, recsize, recpos, prec, ztype, lmv);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
764
765
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
766
  streamptr->rtsteps = 1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
767
768
769
770
771

  cdiGenVars(streamID);

  if ( fcast )
    {
772
      taxisID = taxisCreate(TAXIS_RELATIVE);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
773
774
775
776
777
778
779
      taxis->type  = TAXIS_RELATIVE;
      taxis->rdate = rdate;
      taxis->rtime = rtime;
      taxis->unit  = tunit;
    }
  else
    {
780
      taxisID = taxisCreate(TAXIS_ABSOLUTE);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
781
      taxis->type  = TAXIS_ABSOLUTE;
782
      taxis->unit  = tunit;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
783
784
785
786
787
788
789
790
    }

  taxis->vdate = datetime0.date;
  taxis->vtime = datetime0.time;

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

Uwe Schulzweida's avatar
Uwe Schulzweida committed
791
792
  nrecords = streamptr->tsteps[0].nallrecs;
  if ( nrecords < streamptr->tsteps[0].recordSize )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
793
    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
794
795
      streamptr->tsteps[0].recordSize = nrecords;
      streamptr->tsteps[0].records =
Uwe Schulzweida's avatar
Uwe Schulzweida committed
796
      (record_t *) realloc(streamptr->tsteps[0].records, nrecords*sizeof(record_t));
Uwe Schulzweida's avatar
Uwe Schulzweida committed
797
798
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
799
800
  streamptr->tsteps[0].recIDs = (int *) malloc(nrecords*sizeof(int));
  streamptr->tsteps[0].nrecs = nrecords;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
801
  for ( recID = 0; recID < nrecords; recID++ )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
802
    streamptr->tsteps[0].recIDs[recID] = recID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
803

Uwe Schulzweida's avatar
Uwe Schulzweida committed
804
805
  streamptr->record->buffer     = gribbuffer;
  streamptr->record->buffersize = buffersize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
806

Uwe Schulzweida's avatar
Uwe Schulzweida committed
807
  if ( streamptr->ntsteps == -1 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
808
809
    {
      tsID = tstepsNewEntry(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
810
      if ( tsID != streamptr->rtsteps )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
811
812
	Error(func, "Internal error. tsID = %d", tsID);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
813
814
      streamptr->tsteps[tsID-1].next   = TRUE;
      streamptr->tsteps[tsID].position = recpos;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
815
816
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
817
  if ( streamptr->ntsteps == 1 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
818
819
820
    {
      if ( taxis->vdate == 0 && taxis->vtime == 0 )
	{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
821
822
	  streamptr->ntsteps = 0;
	  for ( varID = 0; varID < streamptr->nvars; varID++ )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
823
824
825
826
827
828
829
	    {
	      vlistDefVarTime(vlistID, varID, TIME_CONSTANT);
	    }
	}
    }
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
830
831

int cgribexScanTimestep2(int streamID)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
832
{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
833
  static const char *func = "cgribexScanTimestep2";
Uwe Schulzweida's avatar
Uwe Schulzweida committed
834
835
  int *isec0, *isec1, *isec2, *isec3, *isec4;
  double fsec2[512], fsec3[2], *fsec4 = NULL;
836
  int lmv = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
837
838
839
840
841
  off_t recpos = 0;
  unsigned char *gribbuffer = NULL;
  long buffersize = 0;
  int status;
  int fileID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
842
843
  int param = 0;
  int level1 = 0, level2 = 0, vdate = 0, vtime = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
844
  DateTime datetime, datetime0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
845
846
847
848
849
850
  int tsID;
  int varID, gridID;
  size_t readsize;
  int nrecords, nrecs, recID, rindex;
  long recsize = 0;
  int warn_numavg = TRUE;
851
  int tsteptype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
852
  int taxisID = -1;
853
  taxis_t *taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
854
  int vlistID;
855
  long unzipsize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
856
857
  compvar_t compVar, compVar0;
  stream_t *streamptr;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
858

Uwe Schulzweida's avatar
Uwe Schulzweida committed
859
  streamptr = stream_to_pointer(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
860

Uwe Schulzweida's avatar
Uwe Schulzweida committed
861
  stream_check_ptr(func, streamptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
862

Uwe Schulzweida's avatar
Uwe Schulzweida committed
863
864
865
866
867
868
869
  streamptr->curTsID = 1;

  isec0 = streamptr->record->sec0;
  isec1 = streamptr->record->sec1;
  isec2 = streamptr->record->sec2;
  isec3 = streamptr->record->sec3;
  isec4 = streamptr->record->sec4;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
870
871
872
873
874

  fileID  = streamInqFileID(streamID);
  vlistID = streamInqVlist(streamID);
  taxisID = vlistInqTaxis(vlistID);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
875
876
  gribbuffer = (unsigned char *) streamptr->record->buffer;
  buffersize = streamptr->record->buffersize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
877
                                          
Uwe Schulzweida's avatar
Uwe Schulzweida committed
878
  tsID = streamptr->rtsteps;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
879
880
881
  if ( tsID != 1 )
    Error(func, "Internal problem! unexpeceted timestep %d", tsID+1);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
882
  taxis = &streamptr->tsteps[tsID].taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
883

Uwe Schulzweida's avatar
Uwe Schulzweida committed
884
  fileSetPos(fileID, streamptr->tsteps[tsID].position, SEEK_SET);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
885
886
887

  cdiCreateRecords(streamID, tsID);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
888
889
890
  nrecords = streamptr->tsteps[tsID].nallrecs;
  streamptr->tsteps[1].recIDs = (int *) malloc(nrecords*sizeof(int));
  streamptr->tsteps[1].nrecs = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
891
  for ( recID = 0; recID < nrecords; recID++ )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
892
    streamptr->tsteps[1].recIDs[recID] = -1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
893
894
895
      
  for ( recID = 0; recID < nrecords; recID++ )
    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
896
897
898
899
900
      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
901
902
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
903
904
  rindex = 0;
  while ( TRUE )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
905
    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
906
907
      if ( rindex > nrecords ) break;

Uwe Schulzweida's avatar
Uwe Schulzweida committed
908
909
910
911
      recsize = gribGetSize(fileID);
      recpos  = fileGetPos(fileID);
      if ( recsize == 0 )
	{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
912
	  streamptr->ntsteps = 2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
913
914
915
916
917
	  break;
	}
      if ( recsize > buffersize )
	{
	  buffersize = recsize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
918
	  gribbuffer = (unsigned char *) realloc(gribbuffer, (size_t)buffersize);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
919
920
921
922
923
924
	}

      readsize = recsize;
      status = gribRead(fileID, gribbuffer, &readsize);
      if ( status ) break;

925
926
927
928
929
930
931
932
933
934
      if ( gribGetZip(recsize, gribbuffer, &unzipsize) > 0 )
	{
	  unzipsize += 100; /* need 0 to 1 bytes for rounding of bds */
	  if ( (long) buffersize < unzipsize )
	    {
	      buffersize = unzipsize;
	      gribbuffer = (unsigned char *) realloc(gribbuffer, buffersize);
	    }
	}

935
936
      cgribexDecodeHeader(isec0, isec1, isec2, fsec2, isec3, fsec3, isec4, fsec4,
			  (int *) gribbuffer, recsize, &lmv);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
937

Uwe Schulzweida's avatar
Uwe Schulzweida committed
938
      param = cdiEncodeParam(ISEC1_Parameter, ISEC1_CodeTable, 255);
939
940
      if ( ISEC1_LevelType == 100 ) ISEC1_Level1 *= 100;
      if ( ISEC1_LevelType ==  99 ) ISEC1_LevelType = 100;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
      level1    = ISEC1_Level1;
      level2    = ISEC1_Level2;

      gribDateTime(isec1, &vdate, &vtime);

      if ( rindex == 0 )
	{
	  if ( taxisInqType(taxisID) == TAXIS_RELATIVE )
	    {
	      taxis->type  = TAXIS_RELATIVE;
	      taxis->rdate = gribRefDate(isec1);
	      taxis->rtime = gribRefTime(isec1);
	    }
	  else
	    {
	      taxis->type  = TAXIS_ABSOLUTE;
	    }
958
	  taxis->unit  = cgribexGetTimeUnit(isec1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
959
960
	  taxis->vdate = vdate;
	  taxis->vtime = vtime;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
961
962
963

	  datetime0.date = vdate;
	  datetime0.time = vtime;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
964
965
	}

966
967
      tsteptype = cgribexGetTsteptype(ISEC1_TimeRange);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
968
969
970
971
972
973
      if ( ISEC1_AvgNum )
	{
	  if (  taxis->numavg && warn_numavg &&
		(taxis->numavg != ISEC1_AvgNum) )
	    {
	  /*
974
	      Warning(func, "Changing numavg from %d to %d not supported!",
Uwe Schulzweida's avatar
Uwe Schulzweida committed
975
976
977
978
979
980
981
982
983
984
		      taxis->numavg, ISEC1_AvgNum);
	  */
	      warn_numavg = FALSE;
	    }
	  else
	    {
	      taxis->numavg = ISEC1_AvgNum;
	    }
	}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
985
986
      datetime.date  = vdate;
      datetime.time  = vtime;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
987
      compVar.param  = param;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
988
989
990
991
992
      compVar.level1 = level1;
      compVar.level2 = level2;
      compVar.ltype  = ISEC1_LevelType;
      for ( recID = 0; recID < nrecords; recID++ )
	{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
993
	  compVar0.param  = streamptr->tsteps[tsID].records[recID].param;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
994
995
996
	  compVar0.level1 = streamptr->tsteps[tsID].records[recID].ilevel;
	  compVar0.level2 = streamptr->tsteps[tsID].records[recID].ilevel2;
	  compVar0.ltype  = streamptr->tsteps[tsID].records[recID].ltype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
997

Uwe Schulzweida's avatar
Uwe Schulzweida committed
998
	  if ( memcmp(&compVar0, &compVar, sizeof(compvar_t)) == 0 ) break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
999
	}
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1000

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1001
1002
      if ( recID == nrecords )
	{
1003
1004
1005
	  char paramstr[32];
	  cdiParamToString(param, paramstr, sizeof(paramstr));
	  Warning(func, "Param=%s level=%d not defined at timestep 1!", paramstr, level1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1006
1007
1008
	  return (CDI_EUFSTRUCT);
	}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
      if ( cdiInventoryMode == 1 )
	{
	  if ( streamptr->tsteps[tsID].records[recID].used )
	    {
	      break;
	    }
	  else
	    {
	      streamptr->tsteps[tsID].records[recID].used = TRUE;
	      streamptr->tsteps[tsID].recIDs[rindex] = recID;
	    }    
	}
      else
	{
	  if ( streamptr->tsteps[tsID].records[recID].used )
	    {
1025
1026
1027
	      char paramstr[32];
	      cdiParamToString(param, paramstr, sizeof(paramstr));

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1028
1029
	      if ( memcmp(&datetime, &datetime0, sizeof(DateTime)) != 0 ) break;

1030
	      Warning(func, "Param=%s level=%d already exist, skipped!", paramstr, level1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1031
1032
1033
1034
1035
1036
1037
1038
	      continue;
	    }
	  else
	    {
	      streamptr->tsteps[tsID].records[recID].used = TRUE;
	      streamptr->tsteps[tsID].recIDs[rindex] = recID;
	    }    
	}
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1039
1040

      if ( CDI_Debug )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1041
	Message(func, "%4d %8d %4d %8d %8d %6d", rindex+1, (int)recpos, param, level1, vdate, vtime);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1042

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1043
      streamptr->tsteps[tsID].records[recID].size = recsize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1044

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1045
      compVar0.param  = streamptr->tsteps[tsID].records[recID].param;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1046
1047
1048
      compVar0.level1 = streamptr->tsteps[tsID].records[recID].ilevel;
      compVar0.level2 = streamptr->tsteps[tsID].records[recID].ilevel2;
      compVar0.ltype  = streamptr->tsteps[tsID].records[recID].ltype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1049

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1050
      if ( memcmp(&compVar0, &compVar, sizeof(compvar_t)) != 0 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1051
	{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1052
	  Message(func, "tsID = %d recID = %d param = %3d new %3d  level = %3d new %3d",
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1053
		  tsID, recID,
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1054
		  streamptr->tsteps[tsID].records[recID].param, param,
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1055
		  streamptr->tsteps[tsID].records[recID].ilevel, level1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1056
1057
1058
	  return (CDI_EUFSTRUCT);
	}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1059
1060
      streamptr->tsteps[1].records[recID].position = recpos;
      varID = streamptr->tsteps[tsID].records[recID].varID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1061
1062
1063
      gridID = vlistInqVarGrid(vlistID, varID);
      if ( gridInqSize(gridID) == 1 && gridInqType(gridID) == GRID_LONLAT )
	{
1064
1065
	  if ( IS_NOT_EQUAL(gridInqXval(gridID, 0),ISEC2_FirstLon*0.001) ||
	       IS_NOT_EQUAL(gridInqYval(gridID, 0),ISEC2_FirstLat*0.001) )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1066
1067
	    gridChangeType(gridID, GRID_TRAJECTORY);
	}
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1068

1069
1070
1071
      if ( tsteptype != vlistInqVarTsteptype(vlistID, varID) )
	vlistDefVarTsteptype(vlistID, varID, tsteptype);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1072
      rindex++;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1073
1074
1075
1076
1077
    }

  nrecs = 0;
  for ( recID = 0; recID < nrecords; recID++ )
    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1078
      if ( ! streamptr->tsteps[tsID].records[recID].used )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1079
	{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1080
	  varID = streamptr->tsteps[tsID].records[recID].varID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1081
1082
1083
1084
1085
1086
1087
	  vlistDefVarTime(vlistID, varID, TIME_CONSTANT);
	}
      else
	{
	  nrecs++;
	}
    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1088
  streamptr->tsteps[tsID].nrecs = nrecs;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1089

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1090
  streamptr->rtsteps = 2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1091

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1092
  if ( streamptr->ntsteps == -1 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1093
1094
    {
      tsID = tstepsNewEntry(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1095
      if ( tsID != streamptr->rtsteps )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1096
1097
	Error(func, "Internal error. tsID = %d", tsID);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1098
1099
      streamptr->tsteps[tsID-1].next   = TRUE;
      streamptr->tsteps[tsID].position = recpos;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1100
1101
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1102
1103
  streamptr->record->buffer     = gribbuffer;
  streamptr->record->buffersize = buffersize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1104
1105
1106
1107
1108

  return (0);
}


Uwe Schulzweida's avatar
Uwe Schulzweida committed
1109
int cgribexScanTimestep(int streamID)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1110
{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1111
  static const char *func = "cgribexScanTimestep";
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1112
1113
  int *isec0, *isec1, *isec2, *isec3, *isec4;
  double fsec2[512], fsec3[2], *fsec4 = NULL;
1114
  int lmv = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1115
1116
1117
1118
1119
  long recsize = 0;
  off_t recpos = 0;
  unsigned char *gribbuffer;
  long buffersize = 0;
  int status;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1120
  int fileID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1121
1122
  int param = 0;
  int level1 = 0, level2 = 0, vdate = 0, vtime = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1123
1124
1125
1126
1127
1128
  DateTime datetime, datetime0;
  int tsID;
  int vrecID, recID;
  int warn_numavg = TRUE;
  size_t readsize;
  int taxisID = -1;
1129
  taxis_t *taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1130
1131
1132
1133
  int vlistID;
  int rindex, nrecs = 0;
  long unzipsize;
  compvar_t compVar, compVar0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1134
  stream_t *streamptr;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1135
1136

  streamptr = stream_to_pointer(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1137

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1138
  stream_check_ptr(func, streamptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1139

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1140
  vlistID = streamInqVlist(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1141

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1142
1143
1144
1145
1146
1147
1148
  if ( CDI_Debug )
    {
      Message(func, "streamID = %d", streamID);
      Message(func, "cts = %d", streamptr->curTsID);
      Message(func, "rts = %d", streamptr->rtsteps);
      Message(func, "nts = %d", streamptr->ntsteps);
    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1149

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1150
1151
1152
1153
1154
  isec0 = streamptr->record->sec0;
  isec1 = streamptr->record->sec1;
  isec2 = streamptr->record->sec2;
  isec3 = streamptr->record->sec3;
  isec4 = streamptr->record->sec4;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1155

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1156
1157
  tsID  = streamptr->rtsteps;
  taxis = &streamptr->tsteps[tsID].taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1158

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1159
1160
1161
1162
  if ( streamptr->tsteps[tsID].recordSize == 0 )
    {
      gribbuffer = (unsigned char *) streamptr->record->buffer;
      buffersize = streamptr->record->buffersize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1163

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1164
      cdiCreateRecords(streamID, tsID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1165

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1166
      nrecs = streamptr->tsteps[1].nrecs;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1167

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1168
1169
1170
1171
      streamptr->tsteps[tsID].nrecs = nrecs;
      streamptr->tsteps[tsID].recIDs = (int *) malloc(nrecs*sizeof(int));
      for ( recID = 0; recID < nrecs; recID++ )
	streamptr->tsteps[tsID].recIDs[recID] = streamptr->tsteps[1].recIDs[recID];
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1172

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1173
      fileID = streamInqFileID(streamID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1174

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1175
      fileSetPos(fileID, streamptr->tsteps[tsID].position, SEEK_SET);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1176

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1177
1178
      rindex = 0;
      while ( TRUE )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1179
	{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1180
	  if ( rindex > nrecs ) break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1181

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
	  recsize = gribGetSize(fileID);
	  recpos  = fileGetPos(fileID);
	  if ( recsize == 0 )
	    {
	      streamptr->ntsteps = streamptr->rtsteps + 1;
	      break;
	    }
	  if ( recsize > buffersize )
	    {
	      buffersize = recsize;
	      gribbuffer = (unsigned char *) realloc(gribbuffer, buffersize);
	    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1194

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
	  readsize = recsize;
	  status = gribRead(fileID, gribbuffer, &readsize);
	  if ( status )
	    {
	      Error(func, "Inconsistent timestep %d (GRIB record %d/%d)!\n", tsID+1, rindex+1,
		    streamptr->tsteps[tsID].recordSize);
	      break;
	    }

	  if ( gribGetZip(recsize, gribbuffer, &unzipsize) > 0 )
	    {
	      unzipsize += 100; /* need 0 to 1 bytes for rounding of bds */
	      if ( (long) buffersize < unzipsize )
		{
		  buffersize = unzipsize;
		  gribbuffer = (unsigned char *) realloc(gribbuffer, buffersize);
		}
	    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1213

1214
1215
	  cgribexDecodeHeader(isec0, isec1, isec2, fsec2, isec3, fsec3, isec4, fsec4,
			      (int *) gribbuffer, recsize, &lmv);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1216

Uwe Schulzweida's avatar
Uwe Schulzweida committed
1217
	  param = cdiEncodeParam(ISEC1_Parameter, ISEC1_CodeTable, 255);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
	  if ( ISEC1_LevelType == 100 ) ISEC1_Level1 *= 100;
	  if ( ISEC1_LevelType ==  99 ) ISEC1_LevelType = 100;
	  level1   = ISEC1_Level1;
	  level2   = ISEC1_Level2;

	  gribDateTime(isec1, &vdate, &vtime);

	  if ( rindex == nrecs ) break;

	  if ( rindex == 0 )
	    {
	      taxisID = vlistInqTaxis(vlistID);
	      if ( taxisInqType(taxisID) == TAXIS_RELATIVE )
		{
		  taxis->type  = TAXIS_RELATIVE;
		  taxis->rdate = gribRefDate(isec1);
		  taxis->rtime = gribRefTime(isec1);
		}
	      else
		{
		  taxis->type  = TAXIS_ABSOLUTE;
		}
1240
	      taxis->unit  = cgribexGetTimeUnit(isec1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
	      taxis->vdate = vdate;
	      taxis->vtime = vtime;

	      datetime0.date = vdate;
	      datetime0.time = vtime;