stream_cgribex.c 62.8 KB
Newer Older
Uwe Schulzweida's avatar
Uwe Schulzweida committed
1
2
3
4
#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif

5
#include <limits.h>
Uwe Schulzweida's avatar
Uwe Schulzweida committed
6
7
8
9
#include <stdio.h>

#include "dmemory.h"
#include "cdi.h"
10
#include "cdi_int.h"
Uwe Schulzweida's avatar
Uwe Schulzweida committed
11
12
13
14
#include "file.h"
#include "varscan.h"
#include "datetime.h"
#include "vlist.h"
Uwe Schulzweida's avatar
Uwe Schulzweida committed
15
#include "stream_grb.h"
16
#include "stream_cgribex.h"
Uwe Schulzweida's avatar
Uwe Schulzweida committed
17

Uwe Schulzweida's avatar
Uwe Schulzweida committed
18
19
20
#if  defined  (HAVE_LIBCGRIBEX)
#  include "cgribex.h"
#endif
Uwe Schulzweida's avatar
Uwe Schulzweida committed
21
22

typedef struct {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
23
  int param;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
24
25
26
  int level1;
  int level2;
  int ltype;
27
  int tsteptype;
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
#if  defined  (HAVE_LIBCGRIBEX)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
32
static
Uwe Schulzweida's avatar
Uwe Schulzweida committed
33
int cgribexGetGridType(int *isec2)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
34
{
35
  int gridtype = GRID_GENERIC;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
36
37
38

  switch (ISEC2_GridType)
    {
39
    case  GRIB1_GTYPE_LATLON:     { gridtype = GRID_LONLAT;     break; }
40
41
    case  GRIB1_GTYPE_LATLON_ROT: { gridtype = GRID_PROJECTION; break; }
    case  GRIB1_GTYPE_LCC:        { gridtype = GRID_LCC;        break; }
42
    case  GRIB1_GTYPE_GAUSSIAN:   { gridtype = ISEC2_Reduced ? GRID_GAUSSIAN_REDUCED : GRID_GAUSSIAN; break; }
43
44
    case  GRIB1_GTYPE_SPECTRAL:   { gridtype = GRID_SPECTRAL;   break; }
    case  GRIB1_GTYPE_GME:        { gridtype = GRID_GME;        break; }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
45
46
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
47
  return gridtype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
48
49
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
50
static
51
bool cgribexGetIsRotated(int *isec2)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
52
{
53
  return (ISEC2_GridType == GRIB1_GTYPE_LATLON_ROT);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
54
55
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
56
static
Uwe Schulzweida's avatar
Uwe Schulzweida committed
57
int cgribexGetZaxisHasBounds(int grb_ltype)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
58
59
60
{
  int lbounds = 0;

61
  switch (grb_ltype)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
62
    {
63
    case GRIB1_LTYPE_SIGMA_LAYER:
Uwe Schulzweida's avatar
Uwe Schulzweida committed
64
65
    case GRIB1_LTYPE_HYBRID_LAYER:
    case GRIB1_LTYPE_LANDDEPTH_LAYER:
Uwe Schulzweida's avatar
Uwe Schulzweida committed
66
67
68
69
70
71
      {
	lbounds = 1;
	break;
      }
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
72
  return lbounds;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
73
74
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
75
static
Uwe Schulzweida's avatar
Uwe Schulzweida committed
76
int cgribexGetTimeUnit(int *isec1)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
77
{
78
  int timeunit = TUNIT_HOUR;
79
  static bool lprint = true;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
80
81
82

  switch ( ISEC1_TimeUnit )
    {
83
84
85
86
87
88
89
90
    case ISEC1_TABLE4_MINUTE:    timeunit = TUNIT_MINUTE;    break;
    case ISEC1_TABLE4_QUARTER:   timeunit = TUNIT_QUARTER;   break;
    case ISEC1_TABLE4_30MINUTES: timeunit = TUNIT_30MINUTES; break;
    case ISEC1_TABLE4_HOUR:      timeunit = TUNIT_HOUR;      break;
    case ISEC1_TABLE4_3HOURS:    timeunit = TUNIT_3HOURS;    break;
    case ISEC1_TABLE4_6HOURS:    timeunit = TUNIT_6HOURS;    break;
    case ISEC1_TABLE4_12HOURS:   timeunit = TUNIT_12HOURS;   break;
    case ISEC1_TABLE4_DAY:       timeunit = TUNIT_DAY;       break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
91
92
93
    default:
      if ( lprint )
	{
94
	  Message("GRIB time unit %d unsupported!", ISEC1_TimeUnit);
95
	  lprint = false;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
96
	}
Uwe Schulzweida's avatar
Uwe Schulzweida committed
97
      break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
98
99
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
100
  return timeunit;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
101
102
}

103
static
104
bool cgribexTimeIsFC(int *isec1)
105
{
106
  bool isFC = (ISEC1_TimeRange == 10 && ISEC1_TimePeriod1 == 0 && ISEC1_TimePeriod2 == 0) ? false : true;
107

Uwe Schulzweida's avatar
Uwe Schulzweida committed
108
  return isFC;
109
110
111
112
113
}

static
int cgribexGetTsteptype(int timerange)
{
114
  static bool lprint = true;
115

116
  int tsteptype = TSTEP_INSTANT;
117
118
119
120
121
122
123
124
125
126
127
128
  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 )
	{
129
	  Message("Time range indicator %d unsupported, set to 0!", timerange);
130
	  lprint = false;
131
	}
Uwe Schulzweida's avatar
Uwe Schulzweida committed
132
      break;
133
134
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
135
  return tsteptype;
136
137
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
138
static
Uwe Schulzweida's avatar
Uwe Schulzweida committed
139
void cgribexGetGrid(stream_t *streamptr, int *isec2, int *isec4, grid_t *grid, int iret)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
140
{
141
  bool compyinc = true;
142
  int gridtype = cgribexGetGridType(isec2);
143
  int projtype = (gridtype == GRID_PROJECTION && cgribexGetIsRotated(isec2)) ? CDI_PROJ_RLL : CDI_UNDEFID;
144
145
146
147
148
  if ( gridtype == GRID_LCC )
    {
      gridtype = GRID_PROJECTION;
      projtype = CDI_PROJ_LCC;
    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
149

150
  if ( streamptr->unreduced && gridtype == GRID_GAUSSIAN_REDUCED && iret != -801 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
151
    {
152
153
      int nlon = 0;
      for ( int ilat = 0; ilat < ISEC2_NumLat; ++ilat )
154
        if ( ISEC2_RowLon(ilat) > nlon ) nlon = ISEC2_RowLon(ilat);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
155
      gridtype = GRID_GAUSSIAN;
156
157
      ISEC2_NumLon = nlon;
      ISEC4_NumValues = nlon*ISEC2_NumLat;
158
      compyinc = false;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
159
160
    }

161
  grid_init(grid);
162
  cdiGridTypeInit(grid, gridtype, 0);
163

164
  if ( gridtype == GRID_LONLAT || gridtype == GRID_GAUSSIAN || projtype == CDI_PROJ_RLL )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
165
    {
166
167
      bool ijDirectionIncrementGiven = gribbyte_get_bit(ISEC2_ResFlag, 1);
      bool uvRelativeToGrid = gribbyte_get_bit(ISEC2_ResFlag, 5);
168
      if ( uvRelativeToGrid ) grid->uvRelativeToGrid = 1;
169

170
171
172
173
174
175
176
177
178
179
      size_t nvalues = (size_t) ISEC4_NumValues;
      size_t nlon = (size_t) ISEC2_NumLon;
      size_t nlat = (size_t) ISEC2_NumLat;
      if ( nvalues != nlon*nlat )
        Error("numberOfPoints (%zu) and gridSize (%zu) differ!", nvalues, nlon*nlat);

      grid->size   = nvalues;
      grid->x.size = nlon;
      grid->y.size = nlat;

180
181
182
183
184
      if ( gridtype == GRID_GAUSSIAN ) grid->np = ISEC2_NumPar;
      grid->x.inc  = 0;
      grid->y.inc  = 0;
      grid->x.flag = 0;
      /* if ( ISEC2_FirstLon != 0 || ISEC2_LastLon != 0 ) */
Uwe Schulzweida's avatar
Uwe Schulzweida committed
185
      {
186
187
188
        if ( grid->x.size > 1 )
          {
            bool recompinc = true;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
189

190
191
            if ( ISEC2_LastLon < ISEC2_FirstLon && ISEC2_LastLon < 0 ) ISEC2_LastLon += 360000;

192
            if ( ijDirectionIncrementGiven && ISEC2_LonIncr > 0 )
193
194
              {
                if ( abs(ISEC2_LastLon - (ISEC2_FirstLon+ISEC2_LonIncr*(grid->x.size-1))) <= 2 )
195
                  {
196
197
                    recompinc = false;
                    grid->x.inc = ISEC2_LonIncr * 0.001;
198
                  }
199
              }
200

201
202
            /* recompute xinc if necessary */
            if ( recompinc ) grid->x.inc = (ISEC2_LastLon - ISEC2_FirstLon) * 0.001 / (grid->x.size-1);
203

204
205
206
207
208
209
210
211
212
213
214
215
216
217
            /* correct xinc if necessary */
            if ( ISEC2_FirstLon == 0 && ISEC2_LastLon > 354000 && ISEC2_LastLon < 360000 )
              {
                double xinc = 360. / grid->x.size;
                if ( fabs(grid->x.inc-xinc) > 0.0 )
                  {
                    grid->x.inc = xinc;
                    if ( CDI_Debug ) Message("set xinc to %g", grid->x.inc);
                  }
              }
          }
        grid->x.first = ISEC2_FirstLon * 0.001;
        grid->x.last  = ISEC2_LastLon  * 0.001;
        grid->x.flag  = 2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
218
      }
219
220
      grid->y.flag = 0;
      /* if ( ISEC2_FirstLat != 0 || ISEC2_LastLat != 0 ) */
Uwe Schulzweida's avatar
Uwe Schulzweida committed
221
      {
222
223
224
        if ( grid->y.size > 1 && compyinc )
          {
            bool recompinc = true;
225
            if ( ijDirectionIncrementGiven && ISEC2_LatIncr > 0 )
226
227
228
229
230
231
232
233
234
235
236
237
238
239
              {
                if ( abs(ISEC2_LastLat - (ISEC2_FirstLat+ISEC2_LatIncr*(grid->y.size-1))) <= 2 )
                  {
                    recompinc = false;
                    grid->y.inc = ISEC2_LatIncr * 0.001;
                  }
              }

            /* recompute yinc if necessary */
            if ( recompinc ) grid->y.inc = (ISEC2_LastLat - ISEC2_FirstLat) * 0.001 / (grid->y.size - 1);
          }
        grid->y.first = ISEC2_FirstLat * 0.001;
        grid->y.last  = ISEC2_LastLat  * 0.001;
        grid->y.flag  = 2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
240
      }
241
242
243
    }
  else if ( gridtype == GRID_GAUSSIAN_REDUCED )
    {
244
245
      bool ijDirectionIncrementGiven = gribbyte_get_bit(ISEC2_ResFlag, 1);
      bool uvRelativeToGrid = gribbyte_get_bit(ISEC2_ResFlag, 5);
246
      if ( uvRelativeToGrid ) grid->uvRelativeToGrid = 1;
247
      grid->np      = ISEC2_NumPar;
248
      grid->size    = (size_t)ISEC4_NumValues;
249
      grid->rowlon  = ISEC2_RowLonPtr;
250
251
      grid->nrowlon = (size_t)ISEC2_NumLat;
      grid->y.size  = (size_t)ISEC2_NumLat;
252
253
254
255
      grid->x.inc   = 0;
      grid->y.inc   = 0;
      grid->x.flag  = 0;
      /* if ( ISEC2_FirstLon != 0 || ISEC2_LastLon != 0 ) */
Uwe Schulzweida's avatar
Uwe Schulzweida committed
256
      {
257
258
259
260
        if ( grid->x.size > 1 )
          {
            if ( ISEC2_LastLon < ISEC2_FirstLon && ISEC2_LastLon < 0 ) ISEC2_LastLon += 360000;

261
            if ( ijDirectionIncrementGiven && ISEC2_LonIncr > 0 )
262
263
264
265
266
267
268
              grid->x.inc = ISEC2_LonIncr * 0.001;
            else
              grid->x.inc = (ISEC2_LastLon - ISEC2_FirstLon) * 0.001 / (grid->x.size - 1);
          }
        grid->x.first = ISEC2_FirstLon * 0.001;
        grid->x.last  = ISEC2_LastLon  * 0.001;
        grid->x.flag  = 2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
269
      }
270
271
      grid->y.flag = 0;
      /* if ( ISEC2_FirstLat != 0 || ISEC2_LastLat != 0 ) */
Uwe Schulzweida's avatar
Uwe Schulzweida committed
272
      {
273
274
        if ( grid->y.size > 1 )
          {
275
            if ( ijDirectionIncrementGiven && ISEC2_LatIncr > 0 )
276
277
278
279
280
281
282
              grid->y.inc = ISEC2_LatIncr * 0.001;
            else
              grid->y.inc = (ISEC2_LastLat - ISEC2_FirstLat) * 0.001 / (grid->y.size - 1);
          }
        grid->y.first = ISEC2_FirstLat * 0.001;
        grid->y.last  = ISEC2_LastLat  * 0.001;
        grid->y.flag  = 2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
283
284
      }
    }
285
  else if ( projtype == CDI_PROJ_LCC )
286
    {
287
      bool uvRelativeToGrid = gribbyte_get_bit(ISEC2_ResFlag, 5);
288
289
      if ( uvRelativeToGrid ) grid->uvRelativeToGrid = 1;

290
291
292
293
294
      size_t nvalues = (size_t) ISEC4_NumValues;
      size_t nlon = (size_t) ISEC2_NumLon;
      size_t nlat = (size_t) ISEC2_NumLat;
      if ( nvalues != nlon*nlat )
        Error("numberOfPoints (%zu) and gridSize (%zu) differ!", nvalues, nlon*nlat);
295

296
297
298
      grid->size   = nvalues;
      grid->x.size = nlon;
      grid->y.size = nlat;
299

300
301
302
303
304
305
306
307
      grid->x.first = 0;
      grid->x.last  = 0;
      grid->x.inc   = ISEC2_Lambert_dx;
      grid->y.first = 0;
      grid->y.last  = 0;
      grid->y.inc   = ISEC2_Lambert_dy;
      grid->x.flag  = 2;
      grid->y.flag  = 2;
308
309
310
    }
  else if ( gridtype == GRID_SPECTRAL )
    {
311
      grid->size  = (size_t) ISEC4_NumValues;
312
      grid->trunc = ISEC2_PentaJ;
313
314
      grid->lcomplex = (ISEC2_RepMode == 2) ? 1 : 0;
   }
315
316
  else if ( gridtype == GRID_GME )
    {
317
      grid->size  = (size_t) ISEC4_NumValues;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
318
319
320
321
      grid->gme.nd  = ISEC2_GME_ND;
      grid->gme.ni  = ISEC2_GME_NI;
      grid->gme.ni2 = ISEC2_GME_NI2;
      grid->gme.ni3 = ISEC2_GME_NI3;
322
323
324
    }
  else if ( gridtype == GRID_GENERIC )
    {
325
      grid->size  = (size_t) ISEC4_NumValues;
326
327
328
329
330
331
332
      grid->x.size = 0;
      grid->y.size = 0;
    }
  else
    {
      Error("Unsupported grid type: %s", gridNamePtr(gridtype));
    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
333

334
335
  grid->type = gridtype;
  grid->projtype = projtype;
336
337
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
338
339
340
341
342
343
344
345
346
347
static
void cgribexGetLevel(int *isec1, int *leveltype, int *level1, int *level2)
{
  *leveltype = ISEC1_LevelType;
  *level1 = ISEC1_Level1;
  *level2 = ISEC1_Level2;
  if ( *leveltype == GRIB1_LTYPE_ISOBARIC ) *level1 *= 100;
  else if ( *leveltype == GRIB1_LTYPE_99 || *leveltype == GRIB1_LTYPE_ISOBARIC_PA ) *leveltype = GRIB1_LTYPE_ISOBARIC;
}

348
static
349
void cgribexAddRecord(stream_t * streamptr, int param, int *isec1, int *isec2, double *fsec2, double *fsec3,
350
		      int *isec4, size_t recsize, off_t position, int datatype, int comptype, int lmv, int iret)
351
{
352
  int varID;
353
354
  int levelID = 0;

355
356
357
  int vlistID = streamptr->vlistID;
  int tsID    = streamptr->curTsID;
  int recID   = recordNewEntry(streamptr, tsID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
358
  record_t *record = &streamptr->tsteps[tsID].records[recID];
359

360
361
  int tsteptype = cgribexGetTsteptype(ISEC1_TimeRange);
  int numavg    = ISEC1_AvgNum;
362

Uwe Schulzweida's avatar
Uwe Schulzweida committed
363
364
  int leveltype, level1, level2;
  cgribexGetLevel(isec1, &leveltype, &level1, &level2);
365

Uwe Schulzweida's avatar
Uwe Schulzweida committed
366
  /* fprintf(stderr, "param %d %d %d %d\n", param, level1, level2, leveltype); */
367

368
  record->size      = recsize;
369
370
371
372
  record->position  = position;
  record->param     = param;
  record->ilevel    = level1;
  record->ilevel2   = level2;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
373
  record->ltype     = leveltype;
Thomas Jahns's avatar
Thomas Jahns committed
374
  record->tsteptype = (short)tsteptype;
375

Uwe Schulzweida's avatar
Uwe Schulzweida committed
376
  grid_t *gridptr = (grid_t*) Malloc(sizeof(*gridptr));
Uwe Schulzweida's avatar
Uwe Schulzweida committed
377
  cgribexGetGrid(streamptr, isec2, isec4, gridptr, iret);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
378

Uwe Schulzweida's avatar
Uwe Schulzweida committed
379
  struct addIfNewRes gridAdded = cdiVlistAddGridIfNew(vlistID, gridptr, 0);
380
  int gridID = gridAdded.Id;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
381
382
383
384
385
386
387
388
389
  if ( gridAdded.isNew )
    {
      if ( gridptr->nrowlon )
        {
          size_t nrowlon = (size_t) gridptr->nrowlon;
          int *rowlon = gridptr->rowlon;
          gridptr->rowlon = (int*) Malloc(nrowlon * sizeof(int));
          memcpy(gridptr->rowlon, rowlon, nrowlon * sizeof(int));
        }
390
391
392
393
394
      else if ( gridptr->projtype == CDI_PROJ_RLL )
        {
          double xpole =   ISEC2_LonSP*0.001 - 180;
          double ypole = - ISEC2_LatSP*0.001;
          double angle = - FSEC2_RotAngle;
395
          gridDefParamRLL(gridID, xpole, ypole, angle);
396
        }
397
398
      else if ( gridptr->projtype == CDI_PROJ_LCC )
        {
399
400
401
402
403
404
405
406
407
408
          double a = 6367470., rf = 0;
          bool earthIsOblate = gribbyte_get_bit(ISEC2_ResFlag, 2);
          if ( earthIsOblate ) { a = 6378160.; rf = 297.0; }
          double xval_0 = ISEC2_FirstLon * 0.001;
          double yval_0 = ISEC2_FirstLat * 0.001;
          double lon_0  = ISEC2_Lambert_Lov * 0.001;
          double lat_1  = ISEC2_Lambert_LatS1 * 0.001;
          double lat_2  = ISEC2_Lambert_LatS2 * 0.001;
          bool lsouth = gribbyte_get_bit(ISEC2_Lambert_ProjFlag, 1);
          if ( lsouth ) { lat_1 = -lat_1; lat_2 = -lat_2; }
409
410
411
412

          double lat_0 = lat_2;
          double x_0 = grid_missval;
          double y_0 = grid_missval;
413
414
415
416

          if ( proj_lonlat_to_lcc_func )
            {
              x_0 = xval_0; y_0 = yval_0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
417
              proj_lonlat_to_lcc_func(grid_missval, lon_0, lat_0, lat_1, lat_2, a, rf, (size_t)1, &x_0, &y_0);
418
419
420
              if ( IS_NOT_EQUAL(x_0, grid_missval) && IS_NOT_EQUAL(y_0, grid_missval) )
                { x_0 = -x_0; y_0 = -y_0; }
            }
421
          gridDefParamLCC(gridID, grid_missval, lon_0, lat_0, lat_1, lat_2, a, rf, xval_0, yval_0, x_0, y_0);
422
        }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
423
424
425
    }
  else
    Free(gridptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
426

Uwe Schulzweida's avatar
Uwe Schulzweida committed
427
  int zaxistype = grib1ltypeToZaxisType(leveltype);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
428

429
  if ( zaxistype == ZAXIS_HYBRID || zaxistype == ZAXIS_HYBRID_HALF )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
430
    {
431
      size_t vctsize = (size_t)ISEC2_NumVCP;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
432
433
434
435
436
      double *vctptr = &fsec2[10];

      varDefVCT(vctsize, vctptr);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
437
  int lbounds = cgribexGetZaxisHasBounds(leveltype);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
438

439
440
  if ( datatype > 32 ) datatype = CDI_DATATYPE_PACK32;
  if ( datatype <  0 ) datatype = CDI_DATATYPE_PACK;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
441

442
  varAddRecord(recID, param, gridID, zaxistype, lbounds, level1, level2, 0, 0,
Uwe Schulzweida's avatar
Uwe Schulzweida committed
443
	       datatype, &varID, &levelID, tsteptype, numavg, leveltype, -1,
444
               NULL, NULL, NULL, NULL, NULL, NULL);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
445

Thomas Jahns's avatar
Thomas Jahns committed
446
447
  record->varID   = (short)varID;
  record->levelID = (short)levelID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
448

449
  varDefCompType(varID, comptype);
450

451
452
453
454
455
456
457
  if ( ISEC1_LocalFLag )
    {
      if      ( ISEC1_CenterID == 78  && isec1[36] == 253 ) // DWD local extension
        varDefEnsembleInfo(varID, isec1[54], isec1[53], isec1[52]);
      else if ( ISEC1_CenterID == 252 && isec1[36] ==   1 ) // MPIM local extension
        varDefEnsembleInfo(varID, isec1[38], isec1[39], isec1[37]);
    }
458

459
460
  if ( lmv ) varDefMissval(varID, FSEC3_MissVal);

Uwe Schulzweida's avatar
Uwe Schulzweida committed
461
  if ( varInqInst(varID) == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
462
    {
463
464
465
      int center    = ISEC1_CenterID;
      int subcenter = ISEC1_SubCenterID;
      int instID    = institutInq(center, subcenter, NULL, NULL);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
466
      if ( instID == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
467
468
469
470
	instID = institutDef(center, subcenter, NULL, NULL);
      varDefInst(varID, instID);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
471
  if ( varInqModel(varID) == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
472
    {
473
      int modelID = modelInq(varInqInst(varID), ISEC1_ModelID, NULL);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
474
      if ( modelID == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
475
476
477
478
	modelID = modelDef(varInqInst(varID), ISEC1_ModelID, NULL);
      varDefModel(varID, modelID);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
479
  if ( varInqTable(varID) == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
480
    {
481
      int tableID = tableInq(varInqModel(varID), ISEC1_CodeTable, NULL);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
482
      if ( tableID == CDI_UNDEFID )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
483
484
485
486
	tableID = tableDef(varInqModel(varID), ISEC1_CodeTable, NULL);
      varDefTable(varID, tableID);
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
487
488
  streamptr->tsteps[tsID].nallrecs++;
  streamptr->nrecs++;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
489
490
}

491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
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,
518
			 int *isec3, double *fsec3, int *isec4, double *fsec4,
519
			 int *gribbuffer, int recsize, int *lmv, int *iret)
520
{
521
  int ipunp = 0, iword = 0;
522

523
  memset(isec1, 0, 256*sizeof(int));
524
  memset(isec2, 0, 32*sizeof(int));
525

526
  gribExDP(isec0, isec1, isec2, fsec2, isec3, fsec3, isec4, fsec4,
527
	   ipunp, (int *) gribbuffer, recsize, &iword, "J", iret);
528

Uwe Schulzweida's avatar
Uwe Schulzweida committed
529
530
  if ( !(ISEC1_Sec2Or3Flag & 128) ) isec2[0] = -1; // default generic grid

531
532
533
534
535
536
537
538
539
540
  *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;
    }
}
541
542

static
543
compvar_t cgribexVarSet(int param, int level1, int level2, int leveltype, int trange)
544
{
545
  int tsteptype = cgribexGetTsteptype(trange);
546

547
  compvar_t compVar;
548
549
550
551
552
  compVar.param     = param;
  compVar.level1    = level1;
  compVar.level2    = level2;
  compVar.ltype     = leveltype;
  compVar.tsteptype = tsteptype;
553

Uwe Schulzweida's avatar
Uwe Schulzweida committed
554
  return compVar;
555
556
}

Thomas Jahns's avatar
Thomas Jahns committed
557
558
static inline int
cgribexVarCompare(compvar_t compVar, record_t record, int flag)
559
{
560
561
562
563
  bool vinst = compVar.tsteptype == TSTEP_INSTANT || compVar.tsteptype == TSTEP_INSTANT2 || compVar.tsteptype == TSTEP_INSTANT3;
  bool rinst = record.tsteptype == TSTEP_INSTANT || record.tsteptype == TSTEP_INSTANT2 || record.tsteptype == TSTEP_INSTANT3;
  int tstepDiff = (!((flag == 0) & (vinst && rinst)))
                & (compVar.tsteptype != record.tsteptype);
Thomas Jahns's avatar
Thomas Jahns committed
564
565
566
567
568
  int rstatus = (compVar.param != record.param)
    |           (compVar.level1 != record.ilevel)
    |           (compVar.level2 != record.ilevel2)
    |           (compVar.ltype != record.ltype)
    |           tstepDiff;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
569
  return rstatus;
570
}
Uwe Schulzweida's avatar
Uwe Schulzweida committed
571
#endif
Uwe Schulzweida's avatar
Uwe Schulzweida committed
572

573
574
575
#define gribWarning(text, nrecs, timestep, paramstr, level1, level2) \
            Warning("Record %2d (id=%s lev1=%d lev2=%d) timestep %d: %s", nrecs, paramstr, level1, level2, timestep, text)

576
#if  defined  (HAVE_LIBCGRIBEX)
577
578
579
580
581
582
583
584
585
586

static inline void
cgribexScanTsFixNtsteps(stream_t *streamptr, off_t recpos)
{
  if ( streamptr->ntsteps == -1 )
    {
      int tsID = tstepsNewEntry(streamptr);
      if ( tsID != streamptr->rtsteps )
	Error("Internal error. tsID = %d", tsID);

587
      streamptr->tsteps[tsID-1].next   = true;
588
589
590
591
592
593
594
595
596
597
598
599
600
      streamptr->tsteps[tsID].position = recpos;
    }
}

static inline void
cgribexScanTsConstAdjust(stream_t *streamptr, taxis_t *taxis)
{
  int vlistID = streamptr->vlistID;
  if ( streamptr->ntsteps == 1 )
    {
      if ( taxis->vdate == 0 && taxis->vtime == 0 )
	{
	  streamptr->ntsteps = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
601
	  for ( int varID = 0; varID < streamptr->nvars; varID++ )
602
            vlistDefVarTimetype(vlistID, varID, TIME_CONSTANT);
603
604
605
606
607
	}
    }
}


Uwe Schulzweida's avatar
Uwe Schulzweida committed
608
int cgribexScanTimestep1(stream_t *streamptr)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
609
610
{
  double fsec2[512], fsec3[2], *fsec4 = NULL;
611
  int lmv = 0, iret = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
612
  off_t recpos = 0;
613
  void *gribbuffer = NULL;
614
  size_t buffersize = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
615
  int rstatus;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
616
  int param = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
617
  int leveltype = 0, level1 = 0, level2 = 0, vdate = 0, vtime = 0;
618
  DateTime datetime, datetime0 = { LONG_MIN, LONG_MIN };
Uwe Schulzweida's avatar
Uwe Schulzweida committed
619
  size_t readsize;
620
  unsigned nrecords, recID;
621
  int nrecs_scanned = 0;
622
  int datatype;
623
  size_t recsize = 0;
624
625
  bool warn_time = true;
  bool warn_numavg = true;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
626
  int taxisID = -1;
627
628
  int rdate = 0, rtime = 0, tunit = 0;
  bool fcast = false;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
629
  int vlistID;
630
  int comptype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
631
  size_t unzipsize;
632
  char paramstr[32];
633
  int nskip = cdiSkipRecords;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
634
635

  streamptr->curTsID = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
636

637
638
639
640
641
  int *isec0 = streamptr->record->sec0;
  int *isec1 = streamptr->record->sec1;
  int *isec2 = streamptr->record->sec2;
  int *isec3 = streamptr->record->sec3;
  int *isec4 = streamptr->record->sec4;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
642

643
644
  int tsID  = tstepsNewEntry(streamptr);
  taxis_t *taxis = &streamptr->tsteps[tsID].taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
645
646

  if ( tsID != 0 )
647
    Error("Internal problem! tstepsNewEntry returns %d", tsID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
648

649
  int fileID = streamptr->fileID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
650

651
652
653
  while ( nskip-- > 0 )
    {
      recsize = gribGetSize(fileID);
654
      if ( recsize == 0 )
655
	Error("Skipping of %d records failed!", cdiSkipRecords);
656

657
      recpos  = fileGetPos(fileID);
658
      fileSetPos(fileID, (off_t)recsize, SEEK_CUR);
659
660
    }

661
  unsigned nrecs = 0;
662
  while ( true )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
663
664
665
666
667
668
    {
      recsize = gribGetSize(fileID);
      recpos  = fileGetPos(fileID);

      if ( recsize == 0 )
	{
669
	  if ( nrecs == 0 )
670
	    Error("No GRIB records found!");
671

Uwe Schulzweida's avatar
Uwe Schulzweida committed
672
	  streamptr->ntsteps = 1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
673
674
	  break;
	}
675
      if ( recsize > buffersize )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
676
	{
677
	  buffersize = recsize;
678
	  gribbuffer = Realloc(gribbuffer, buffersize);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
679
680
	}

681
      readsize = recsize;
682
      rstatus = gribRead(fileID, (unsigned char *)gribbuffer, &readsize);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
683
      if ( rstatus ) break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
684

685
      comptype = CDI_COMPRESS_NONE;
686
      if ( gribGetZip(recsize, (unsigned char *)gribbuffer, &unzipsize) > 0 )
687
	{
688
	  comptype = CDI_COMPRESS_SZIP;
689
	  unzipsize += 100; /* need 0 to 1 bytes for rounding of bds */
Uwe Schulzweida's avatar
Uwe Schulzweida committed
690
	  if ( buffersize < unzipsize )
691
	    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
692
	      buffersize = unzipsize;
693
	      gribbuffer = Realloc(gribbuffer, buffersize);
694
695
696
	    }
	}

697
      nrecs_scanned++;
698
      cgribexDecodeHeader(isec0, isec1, isec2, fsec2, isec3, fsec3, isec4, fsec4,
699
			  (int *) gribbuffer, (int)recsize, &lmv, &iret);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
700

Uwe Schulzweida's avatar
Uwe Schulzweida committed
701
      param = cdiEncodeParam(ISEC1_Parameter, ISEC1_CodeTable, 255);
702
703
      cdiParamToString(param, paramstr, sizeof(paramstr));

Uwe Schulzweida's avatar
Uwe Schulzweida committed
704
      cgribexGetLevel(isec1, &leveltype, &level1, &level2);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
705

Uwe Schulzweida's avatar
Uwe Schulzweida committed
706
707
      gribDateTime(isec1, &vdate, &vtime);

708
      datatype = (ISEC4_NumBits > 0 && ISEC4_NumBits <= 32) ? ISEC4_NumBits : CDI_DATATYPE_PACK;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
709
710
711
712
713
714
715

      if ( nrecs == 0 )
	{
	  datetime0.date = vdate;
	  datetime0.time = vtime;
	  rdate = gribRefDate(isec1);
	  rtime = gribRefTime(isec1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
716
	  tunit = cgribexGetTimeUnit(isec1);
717
	  fcast = cgribexTimeIsFC(isec1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
718
719
720
	}
      else
	{
721
722
	  datetime.date = vdate;
	  datetime.time = vtime;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
723
	  compvar_t compVar = cgribexVarSet(param, level1, level2, leveltype, ISEC1_TimeRange);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
724
725
	  for ( recID = 0; recID < nrecs; recID++ )
	    {
726
	      if ( cgribexVarCompare(compVar, streamptr->tsteps[0].records[recID], 0) == 0 ) break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
727
	    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
728
729
730
731
732

	  if ( cdiInventoryMode == 1 )
	    {
	      if ( recID < nrecs ) break;
	      if ( warn_time )
733
		if ( datetimeCmp(datetime, datetime0) != 0 )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
734
		  {
735
                    gribWarning("Inconsistent verification time!", nrecs_scanned, tsID+1, paramstr, level1, level2);
736
		    warn_time = false;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
737
738
739
740
		  }
	    }
	  else
	    {
741
	      if ( datetimeCmp(datetime, datetime0) != 0 ) break;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
742
743
744

	      if ( recID < nrecs )
		{
745
		  gribWarning("Parameter already exist, skipped!", nrecs_scanned, tsID+1, paramstr, level1, level2);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
746
747
748
		  continue;
		}
	    }
Uwe Schulzweida's avatar
Uwe Schulzweida committed
749
750
751
752
753
754
	}

      if ( ISEC1_AvgNum )
	{
	  if (  taxis->numavg && warn_numavg && (taxis->numavg != ISEC1_AvgNum) )
	    {
755
	      Warning("Changing numavg from %d to %d not supported!", taxis->numavg, ISEC1_AvgNum);
756
	      warn_numavg = false;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
757
758
759
760
761
762
763
764
765
766
	    }
	  else
	    {
	      taxis->numavg = ISEC1_AvgNum;
	    }
	}

      nrecs++;

      if ( CDI_Debug )
767
	Message("Read record %2d (id=%s lev1=%d lev2=%d) %8d %6d", nrecs_scanned, paramstr, level1, level2, vdate, vtime);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
768

769
      cgribexAddRecord(streamptr, param, isec1, isec2, fsec2, fsec3,
770
		       isec4, recsize, recpos, datatype, comptype, lmv, iret);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
771
772
    }

Uwe Schulzweida's avatar
Uwe Schulzweida committed
773
  streamptr->rtsteps = 1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
774

Uwe Schulzweida's avatar
Uwe Schulzweida committed
775
  if ( nrecs == 0 ) return CDI_EUFSTRUCT;
776

777
  cdi_generate_vars(streamptr);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
778
779
780

  if ( fcast )
    {
781
      taxisID = taxisCreate(TAXIS_RELATIVE);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
782
783
784
785
786
787
788
      taxis->type  = TAXIS_RELATIVE;
      taxis->rdate = rdate;
      taxis->rtime = rtime;
      taxis->unit  = tunit;
    }
  else
    {
789
      taxisID = taxisCreate(TAXIS_ABSOLUTE);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
790
      taxis->type  = TAXIS_ABSOLUTE;
791
      taxis->unit  = tunit;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
792
793
    }

794
795
  taxis->vdate = (int)datetime0.date;
  taxis->vtime = (int)datetime0.time;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
796

Uwe Schulzweida's avatar
Uwe Schulzweida committed
797
  vlistID = streamptr->vlistID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
798
799
  vlistDefTaxis(vlistID, taxisID);

800
801
  nrecords = (unsigned)streamptr->tsteps[0].nallrecs;
  if ( nrecords < (unsigned)streamptr->tsteps[0].recordSize )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
802
    {
803
      streamptr->tsteps[0].recordSize = (int)nrecords;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
804
      streamptr->tsteps[0].records =
805
      (record_t *) Realloc(streamptr->tsteps[0].records, nrecords*sizeof(record_t));
Uwe Schulzweida's avatar
Uwe Schulzweida committed
806
807
    }

808
  streamptr->tsteps[0].recIDs = (int *) Malloc(nrecords*sizeof(int));
809
  streamptr->tsteps[0].nrecs = (int)nrecords;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
810
  for ( recID = 0; recID < nrecords; recID++ )
811
    streamptr->tsteps[0].recIDs[recID] = (int)recID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
812

Uwe Schulzweida's avatar
Uwe Schulzweida committed
813
  streamptr->record->buffer     = gribbuffer;
814
  streamptr->record->buffersize = buffersize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
815

816
817
  cgribexScanTsFixNtsteps(streamptr, recpos);
  cgribexScanTsConstAdjust(streamptr, taxis);
818

Uwe Schulzweida's avatar
Uwe Schulzweida committed
819
  return 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
820
821
}

Uwe Schulzweida's avatar
Uwe Schulzweida committed
822

823
int cgribexScanTimestep2(stream_t * streamptr)
Uwe Schulzweida's avatar
Uwe Schulzweida committed
824
{
Uwe Schulzweida's avatar
Uwe Schulzweida committed
825
  int rstatus = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
826
  double fsec2[512], fsec3[2], *fsec4 = NULL;
827
  int lmv = 0, iret = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
828
  off_t recpos = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
829
  int param = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
830
  int leveltype = 0, level1 = 0, level2 = 0, vdate = 0, vtime = 0;
831
  DateTime datetime, datetime0 = { LONG_MIN, LONG_MIN };
Uwe Schulzweida's avatar
Uwe Schulzweida committed
832
833
  int varID, gridID;
  size_t readsize;
834
  int nrecs, recID;
835
  size_t recsize = 0;
836
  bool warn_numavg = true;
837
  int tsteptype;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
838
  size_t unzipsize;
839
  char paramstr[32];
Uwe Schulzweida's avatar
Uwe Schulzweida committed
840

Uwe Schulzweida's avatar
Uwe Schulzweida committed
841
842
  streamptr->curTsID = 1;

843
844
845
846
847
  int *isec0 = streamptr->record->sec0;
  int *isec1 = streamptr->record->sec1;
  int *isec2 = streamptr->record->sec2;
  int *isec3 = streamptr->record->sec3;
  int *isec4 = streamptr->record->sec4;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
848

849
850
851
  int fileID  = streamptr->fileID;
  int vlistID = streamptr->vlistID;
  int taxisID = vlistInqTaxis(vlistID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
852

853
854
  void *gribbuffer = streamptr->record->buffer;
  size_t buffersize = streamptr->record->buffersize;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
855

856
  int tsID = streamptr->rtsteps;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
857
  if ( tsID != 1 )
Thomas Jahns's avatar
Thomas Jahns committed
858
    Error("Internal problem! unexpected timestep %d", tsID+1);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
859

860
  taxis_t *taxis = &streamptr->tsteps[tsID].taxis;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
861

Uwe Schulzweida's avatar
Uwe Schulzweida committed
862
  fileSetPos(fileID, streamptr->tsteps[tsID].position, SEEK_SET);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
863

864
  cdi_create_records(streamptr, tsID);
Uwe Schulzweida's avatar
Uwe Schulzweida committed
865

866
  int nrecords = streamptr->tsteps[tsID].nallrecs;
867
  if ( nrecords ) streamptr->tsteps[1].recIDs = (int *) Malloc((size_t)nrecords * sizeof(int));
Uwe Schulzweida's avatar
Uwe Schulzweida committed
868
  streamptr->tsteps[1].nrecs = 0;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
869
  for ( recID = 0; recID < nrecords; recID++ )
Uwe Schulzweida's avatar
Uwe Schulzweida committed
870
    streamptr->tsteps[1].recIDs[recID] = -1;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
871

Uwe Schulzweida's avatar
Uwe Schulzweida committed
872
873
  for ( recID = 0; recID < nrecords; recID++ )
    {
Uwe Schulzweida's avatar
Uwe Schulzweida committed
874
      varID = streamptr->tsteps[0].records[recID].varID;
Uwe Schulzweida's avatar
Uwe Schulzweida committed
875
876
      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
877
878
    }

879
880
  int nrecs_scanned = nrecords;
  int rindex = 0;