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/wrfv2_fire/external/io_grib1/MEL_grib1/make_grib_log.c

http://github.com/jbeezley/wrf-fire
C | 851 lines | 505 code | 74 blank | 272 comment | 121 complexity | 7073bb2d627ee26c16e5511daf088e6f MD5 | raw file
Possible License(s): AGPL-1.0 
    

  1. /* Program    : make_grib_log (was printer.c)
    2. 

  2.    Programmer : Todd J. Kienitz, SAIC
    3. 

  3.    Date       : January 10, 1996
    4. 

  4.    Purpose    : To produce the information file output of the GRIB message.
    5. 

  5.    Revisions  : 
    6. 

  6.    04/17/96 Steve Lowe, SAIC:  modified data print-out
    7. 

  7.    04/22/96 Alice Nakajima (ATN), SAIC:  added BMS summary
    8. 

  8.    12/12/96 ATN:  implement combined Decoder/Encdoer structs
    9. 

  9. 	    replaced  (table2 tab2[], table3 tab3[], tables mgotab); 
    10. 

  10.    06/14/97 ATN:  print upto encoded pricision.
    11. 

  11.    02/22/98 ATN:  replace projection id with constants, add printing for
    12. 

  12.      prjns: Rotated Lat/Lon, Stretched Lat/Lon, Stretched Rotated Lat/Lon,
    13. 

  13.      Rotated Gaussian, Stretched Gauss, Stretched Rotated Gaussian ,
    14. 

  14.      Oblique Lambert, and for Albers equal-area.
    15. 

  15.    09/10/98 ATN:  extension flag printing.
    16. 

  16. */
    17. 

  17. #include <stdio.h>
    18. 

  18. #include <stdlib.h>
    19. 

  19. #include <math.h>
    20. 

  20. #include "grib_lookup.h"	/* combined encoder/decoder structs */
    21. 

  21. #include "dprints.h"		/* for debug printing */
    22. 

  22. #include "gribfuncs.h"		/* prototypes */
    23. 

  23. 

  24. /* 
    25. 

  25. **********************************************************************
    26. 

  26. * A. FUNCTION: make_grib_log
    27. 

  27. *      Produces debug file GRIB.log from the GRIB message in the Grib Header 
    28. 

  28. *
    29. 

  29. *    INTERFACE:
    30. 

  30. *      int   make_grib_log (input_fn, lookup_fn, msg_length, offset,
    31. 

  31. *                           pds, gds, bds, bms, grib_data, errmsg)
    32. 

  32. *
    33. 

  33. *    ARGUMENTS (I=input, O=output, I&O=input and output):
    34. 

  34. *      (I) char *input_fn;            name of input GRIB file 
    35. 

  35. *      (I) char *lookup_fn;           name of Lookup file, nil if not used 
    36. 

  36. *      (I) unsigned long msg_length;  total length of GRIB message
    37. 

  37. *      (I) long offset;               starting location of GRIB message in bytes
    38. 

  38. *      (I) PDS_INPUT pds;             product definition section structure
    39. 

  39. *      (I) grid_desc_sec gds;         grid description section structure
    40. 

  40. *      (I) BDS_HEAD_INPUT bds;        binary data section header structure
    41. 

  41. *      (I) BMS_INPUT bms;             bit map definition section structure
    42. 

  42. *      (I) float *grib_data;          array of decoded data
    43. 

  43. *
    44. 

  44. *     ACCESSES GLOBAL VARS:
    45. 

  45. *        int UseTables;
    46. 

  46. *            set to one if lookup table used
    47. 

  47. *        CTRS_DEFN  db_ctr_tbl[NCTRS];
    48. 

  48. *            predefined array holding Originating Center info
    49. 

  49. *        PARM_DEFN db_parm_tbl [MAX_PARM_TBLS * NPARM];
    50. 

  50. *            predefined arr of Parameter info 
    51. 

  51. *        LVL_DEFN db_lvl_tbl [NLVL];
    52. 

  52. *            predefined arr of Level info struct
    53. 

  53. *        MODEL_DEFN db_mdl_tbl [NMODEL];
    54. 

  54. *            predefined arr of Model info struct
    55. 

  55. *        GEOM_DEFN db_geom_tbl [NGEOM];
    56. 

  56. *            predefined arr of Geometry info struct
    57. 

  57. *
    58. 

  58. *     RETURN CODE:  
    59. 

  59. *       0> no errors; file GRIB.log has been created;
    60. 

  60. *       1> error, errmsg filled;
    61. 

  61. **********************************************************************
    62. 

  62. */
    63. 

  63. extern int 	  UseTables; 	 /* set means use lookup tbl defns */
    64. 

  64. extern PARM_DEFN  db_parm_tbl[]; /* parameter conversion info */
    65. 

  65. extern MODEL_DEFN db_mdl_tbl[];  /* model conversion info */
    66. 

  66. extern LVL_DEFN   db_lvl_tbl[];  /* level conversion info */
    67. 

  67. extern GEOM_DEFN  db_geom_tbl[]; /* Geom conversion info  */
    68. 

  68. extern CTR_DEFN   db_ctr_tbl[];  /* Ctr conversion info  */
    69. 

  69. 

  70. #if PROTOTYPE_NEEDED
    71. 

  71. int   make_grib_log ( 	char *input_fn, 
    72. 

  72. 			char *lookup_fn, 
    73. 

  73. 			unsigned long msg_length, 
    74. 

  74. 			long offset, 
    75. 

  75. 			PDS_INPUT pds, 
    76. 

  76. 			grid_desc_sec gds,
    77. 

  77.      		       	BDS_HEAD_INPUT bds, 
    78. 

  78. 			BMS_INPUT bms, 
    79. 

  79. 			float *grib_data, 
    80. 

  80. 			char *errmsg)
    81. 

  81. #else
    82. 

  82. int   make_grib_log (input_fn, lookup_fn, msg_length, offset,
    83. 

  83. 		     pds, gds, bds, bms, grib_data,errmsg)
    84. 

  84. 	char *input_fn;
    85. 

  85. 	char *lookup_fn; 
    86. 

  86. 	unsigned long msg_length; 
    87. 

  87. 	long offset; 
    88. 

  88. 	PDS_INPUT pds; 
    89. 

  89. 	grid_desc_sec gds;
    90. 

  90. 	BDS_HEAD_INPUT bds; 
    91. 

  91. 	BMS_INPUT bms; 
    92. 

  92. 	float *grib_data; 
    93. 

  93. 	char *errmsg;
    94. 

  94. #endif
    95. 

  95. 

  96. {
    97. 

  97.   char *func="make_grib_log";
    98. 

  98.   int i, indx, k, fd, numpts=100;
    99. 

  99.   float dsf, res, min, max;
    100. 

  100.   FILE *fp;
    101. 

  101. 

  102. /*
    103. 

  103. *
    104. 

  104. * A.0   DEBUG printing
    105. 

  105. */
    106. 

  106.   DPRINT1 ("Entering %s\n", func);
    107. 

  107. 

  108. /* 
    109. 

  109. *
    110. 

  110. * A.1   OPEN file "GRIB.log" in APPEND mode
    111. 

  111. */
    112. 

  112.   fp=fopen ("GRIB.log", "a+");
    113. 

  113.   if (!fp) {
    114. 

  114. 	DPRINT1("%s:  failed to open 'GRIB.log' for appending, skip logfile\n",
    115. 

  115. 	func); 
    116. 

  116. 	sprintf (errmsg, "%s:  failed to open 'GRIB.log'\n", func); 
    117. 

  117. 	return (1);
    118. 

  118. 	}
    119. 

  119. 

  120. /*
    121. 

  121. *
    122. 

  122. * A.2   WRITE Indicator Section information to file
    123. 

  123. *       !message length
    124. 

  124. *       !GRIB Edition number
    125. 

  125. */
    126. 

  126.   fseek(fp, 0L, 2);
    127. 

  127.   if (ftell(fp) == 0L)
    128. 

  128.   fprintf (fp, 	"%s: InFile= %s\n%s: Lookup=%d, fn='%s'\n\n" ,
    129. 

  129. 	   func, input_fn, func,UseTables, lookup_fn);
    130. 

  130. 

  131.   fprintf (fp, "**** VALID MESSAGE FOUND AT %ld BYTES ****\n" , offset);
    132. 

  132. 

  133.   fprintf(fp, "\n********* SECTION 0 IDS *********\n" );
    134. 

  134.   fprintf(fp, "Total Message length = %ld\nEdition Number = %d\n",
    135. 

  135. 	   msg_length, pds.usEd_num);
    136. 

  136. /*
    137. 

  137. *
    138. 

  138. * A.3   WRITE Product Definition Section information to file
    139. 

  139. *       !Section length
    140. 

  140. *       !Parameter Table version
    141. 

  141. *       !Parameter Sub-Table version if defined and flagged by Extension flag
    142. 

  142. *       !Tracking id if defined and flagged by Extension flag
    143. 

  143. */
    144. 

  144.   fprintf(fp, "\n********* SECTION 1 PDS *********\n" \
    145. 

  145.   	"Section length = %d\nTable version = %d\n",
    146. 

  146. 	 pds.uslength, pds.usParm_tbl);
    147. 

  147. 

  148.   if (pds.usExt_flag == (unsigned short)EXTENSION_FLAG ) 
    149. 

  149.    {
    150. 

  150.     if (pds.usSub_tbl != 0) 
    151. 

  151.         fprintf(fp,"Local Table version = %d\n",pds.usSub_tbl);
    152. 

  152.     if(pds.usTrack_num  != 0) 
    153. 

  153. 	fprintf(fp,"Tracking ID = %d\n",pds.usTrack_num);
    154. 

  154.    }
    155. 

  155.    
    156. 

  156. /*
    157. 

  157. *       !Originating Center id
    158. 

  158. *       !IF (using tables) Name of Originating Center
    159. 

  159. */
    160. 

  160.   fprintf(fp,"Originating Center id = %d\n",pds.usCenter_id);
    161. 

  161.   if (UseTables)
    162. 

  162.      if ( db_ctr_tbl[pds.usCenter_id].ctr_dsc[0] )
    163. 

  163.         fprintf(fp,"Originating Center = %s\n",
    164. 

  164. 	db_ctr_tbl[pds.usCenter_id].ctr_dsc);
    165. 

  165.      else
    166. 

  166.         fprintf(fp,"Originating Center ID %d not defined in current table.\n",
    167. 

  167. 	pds.usCenter_id);
    168. 

  168. 

  169. /*
    170. 

  170. *       !Sub-Table Entry for Originating Center if non-zero and if
    171. 

  171. *       !extension flag is set
    172. 

  172. */
    173. 

  173.   if (pds.usExt_flag == (unsigned short)EXTENSION_FLAG && 
    174. 

  174. 	pds.usCenter_sub != 0) 
    175. 

  175.      fprintf(fp,"Sub-Table Entry Originating Center = %d\n",pds.usCenter_sub);
    176. 

  176. 

  177. /*
    178. 

  178. *       !Extension flag
    179. 

  179. */
    180. 

  180.   fprintf(fp,"Extension flag = %d (extensions %s)\n", pds.usExt_flag,
    181. 

  181.   (pds.usExt_flag == (unsigned short)EXTENSION_FLAG ? "used" : "not used"));
    182. 

  182. 

  183. /*
    184. 

  184. *       !Model Identification
    185. 

  185. *       !IF (using tables) Model Description
    186. 

  186. */
    187. 

  187.   fprintf(fp,"Model id = %d\n",pds.usProc_id);
    188. 

  188.   if (UseTables)
    189. 

  189.      if ( db_mdl_tbl[pds.usProc_id].grib_dsc[0] )
    190. 

  190.         fprintf(fp,"Model Description = %s\n",
    191. 

  191. 	db_mdl_tbl[pds.usProc_id].grib_dsc);
    192. 

  192.      else
    193. 

  193.         fprintf(fp,"Model ID %d not defined in current table.\n",
    194. 

  194. 	pds.usProc_id);
    195. 

  195. 

  196. /*
    197. 

  197. *       !Grid Identification
    198. 

  198. *       !IF (using tables) Grid Description
    199. 

  199. */
    200. 

  200.   fprintf(fp,"Grid id = %d\n",pds.usGrid_id);
    201. 

  201.   if (UseTables) 
    202. 

  202.      if ( db_geom_tbl[pds.usGrid_id].grib_dsc[0] )
    203. 

  203.         fprintf(fp,"Grid Description = %s\n",
    204. 

  204. 	db_geom_tbl[pds.usGrid_id].grib_dsc);
    205. 

  205.      else
    206. 

  206.         fprintf(fp,"Grid ID %d not defined in current table.\n",
    207. 

  207. 	pds.usGrid_id);
    208. 

  208. 

  209. /*
    210. 

  210. *       !Parameter Identification
    211. 

  211. */
    212. 

  212.   fprintf(fp,"Parameter id = %d\n",pds.usParm_id);
    213. 

  213. 

  214. /*
    215. 

  215. *       !IF (usExt_flag is set AND
    216. 

  216. *       !    (Parm id between 250 and 254) AND (Sub Parm ID defined)))
    217. 

  217. *       !    PRINT Parm_sub 
    218. 

  218. *       !ENDIF
    219. 

  219. */
    220. 

  220.   if (pds.usExt_flag == (unsigned short)EXTENSION_FLAG &&
    221. 

  221. 	  pds.usParm_id>=250 && pds.usParm_id<=254 && pds.usParm_sub!=0)
    222. 

  222.           fprintf(fp,"Parameter sub-id = %d\n",pds.usParm_sub);
    223. 

  223. 

  224. 

  225. /*
    226. 

  226. *       !IF (using lookup table) THEN
    227. 

  227. *       !  CALCULATE index in Parm Conversion Array to use
    228. 

  228. *       !  let index= (usParm_Id - 249)*256 + usParm_sub;
    229. 

  229. *       !
    230. 

  230. *       !   IF this index in Parm Conversion Array is defined THEN
    231. 

  231. *       !       PRINT its grib_dsc and grib_unit_dsc
    232. 

  232. *       !   ELSE 
    233. 

  233. *       !       PRINT it's not defined mesage
    234. 

  234. *       !   ENDIF
    235. 

  235. *       !ENDIF
    236. 

  236. */
    237. 

  237.   if(UseTables) 
    238. 

  238.    {
    239. 

  239.       indx = PARMTBL_INDX (pds.usParm_id, pds.usParm_sub);
    240. 

  240. 

  241.       if ( db_parm_tbl[indx].grib_dsc[0] ) {
    242. 

  242.          fprintf(fp,"Parameter name = %s\n",db_parm_tbl[indx].grib_dsc);
    243. 

  243.          fprintf(fp,"Parameter units = %s\n",db_parm_tbl[indx].grib_unit_dsc);
    244. 

  244.           }
    245. 

  245.       else fprintf(fp,"Parameter ID %d not defined in current table.\n",
    246. 

  246. 	 pds.usParm_id);
    247. 

  247.     }
    248. 

  248. 

  249. /*
    250. 

  250. *       !Level Id 
    251. 

  251. *       !IF (using tables)
    252. 

  252. *       !  Level description
    253. 

  253. *       !  SWITCH (number of octets to store Height1)
    254. 

  254. *       !     2: Level = Height1
    255. 

  255. *       !     1: Bottom of Layer = Height1
    256. 

  256. *       !        Top of Layer = Height2
    257. 

  257. *       !     0: (no Height value required)
    258. 

  258. *       !     default: (corrupt table entry or message)
    259. 

  259. *       !  ENDSWITCH
    260. 

  260. *       !ELSE (not using tables)
    261. 

  261. *       !  Level = Height1  (Level assumed)
    262. 

  262. *       !ENDIF
    263. 

  263. */
    264. 

  264.   fprintf(fp,"Level_type = %d\n",pds.usLevel_id);
    265. 

  265.   if(UseTables) {
    266. 

  266.     if ( db_lvl_tbl[pds.usLevel_id].grib_dsc[0] ) {
    267. 

  267.        fprintf(fp,"Level description = %s\n", 
    268. 

  268. 		db_lvl_tbl[pds.usLevel_id].grib_dsc);
    269. 

  269.        switch(db_lvl_tbl[pds.usLevel_id].num_octets){
    270. 

  270.          case 2:
    271. 

  271.            fprintf(fp,"%s = %u\n",
    272. 

  272.   	   db_lvl_tbl[pds.usLevel_id].lvl_name_1, pds.usHeight1);
    273. 

  273.            break;
    274. 

  274.          case 1:
    275. 

  275.            fprintf(fp,"%s = %u\n%s = %u\n",
    276. 

  276.   	   db_lvl_tbl[pds.usLevel_id].lvl_name_1, pds.usHeight1,
    277. 

  277.   	   db_lvl_tbl[pds.usLevel_id].lvl_name_2, pds.usHeight2);
    278. 

  278.            break;
    279. 

  279.          case 0:
    280. 

  280.            break;
    281. 

  281.          default:
    282. 

  282.            fprintf(fp,"***Number of octets for table 3 undefined - possibly "
    283. 

  283.                    "corrupt dataset.***\n");
    284. 

  284.        }
    285. 

  285.     }else
    286. 

  286.        fprintf(fp,"Level ID %d not defined in current table.\n",
    287. 

  287. 	pds.usLevel_id);
    288. 

  288.   } /* end UseTables 'if' statement */
    289. 

  289.   else fprintf(fp,"Level = %u\n",pds.usHeight1);
    290. 

  290. 

  291. /*
    292. 

  292. *       !Reference Date/Time:
    293. 

  293. *       !  Century
    294. 

  294. *       !  Year
    295. 

  295. *       !  Month
    296. 

  296. *       !  Day
    297. 

  297. *       !  Hour
    298. 

  298. *       !  Minute
    299. 

  299. *       !  Second if defined
    300. 

  300. */
    301. 

  301.   fprintf(fp,
    302. 

  302.      "Reference Date/Time of Data Set:\n" \
    303. 

  303.      "   Century = %d\n   Year = %d\n   Month = %d\n   Day = %d\n"\
    304. 

  304.      "   Hour = %d\n   Minute = %d\n",
    305. 

  305.      pds.usCentury,pds.usYear,pds.usMonth,pds.usDay,pds.usHour,pds.usMinute);
    306. 

  306. 

  307.   if(pds.usExt_flag == (unsigned short)EXTENSION_FLAG)
    308. 

  308. 	fprintf(fp,"   Second = %d\n",pds.usSecond);
    309. 

  309. 

  310. /*
    311. 

  311. *       !Forecast Time Unit
    312. 

  312. *       !  Forecast Period 1
    313. 

  313. *       !  Forecast Period 2
    314. 

  314. */
    315. 

  315.   switch(pds.usFcst_unit_id){
    316. 

  316.     case 0: fprintf(fp,"Forecast Time Unit = Minute\n"); break;
    317. 

  317.     case 1: fprintf(fp,"Forecast Time Unit = Hour\n"); break;
    318. 

  318.     case 2: fprintf(fp,"Forecast Time Unit = Day\n"); break;
    319. 

  319.     case 3: fprintf(fp,"Forecast Time Unit = Month\n"); break;
    320. 

  320.     case 4: fprintf(fp,"Forecast Time Unit = Year\n"); break;
    321. 

  321.     case 5: fprintf(fp,"Forecast Time Unit = Decade (10 years)\n"); break;
    322. 

  322.     case 6: fprintf(fp,"Forecast Time Unit = Normal (30 years)\n"); break;
    323. 

  323.     case 7: fprintf(fp,"Forecast Time Unit = Century (100 years)\n"); break;
    324. 

  324.     case 254: fprintf(fp,"Forecast Time Unit = Second\n"); break;
    325. 

  325.     default: fprintf(fp,"Forecast Time Unit = UNDEFINED!!\n");
    326. 

  326.   }
    327. 

  327.   fprintf(fp,"   Forecast Period 1 = %d\n",pds.usP1);
    328. 

  328.   fprintf(fp,"   Forecast Period 2 = %d\n",pds.usP2);
    329. 

  329. 

  330. /*
    331. 

  331. *       !Time Range Indicator
    332. 

  332. *       !Number in Average
    333. 

  333. *       !Number Missing
    334. 

  334. */
    335. 

  335.   fprintf(fp,"Time Range = %d\n",pds.usTime_range);
    336. 

  336.   fprintf(fp,"Number in Average = %d\n",pds.usTime_range_avg);
    337. 

  337.   fprintf(fp,"Number Missing = %d\n",pds.usTime_range_mis);
    338. 

  338. 

  339. /*
    340. 

  340. *       !Decimal Scale Factor
    341. 

  341. */
    342. 

  342.   fprintf(fp,"Decimal Scale Factor = %d\n",pds.sDec_sc_fctr);
    343. 

  343. 

  344. /*
    345. 

  345. *
    346. 

  346. * A.4   IF (GDS included) THEN
    347. 

  347. * A.4.1    WRITE Grid Definition Section information to file
    348. 

  348. *            !Section length
    349. 

  349. *            !Parm_nv
    350. 

  350. *            !Parm_pv_pl
    351. 

  351. *            !Data type
    352. 

  352. */
    353. 

  353.   if(pds.usGds_bms_id >> 7 & 1) {
    354. 

  354. 

  355.      fprintf(fp,"\n********* SECTION 2 GDS *********\n");
    356. 

  356.      fprintf(fp,"Section length = %d\n",gds.head.uslength);
    357. 

  357.      fprintf(fp,"Parm_nv = %d\n",gds.head.usNum_v);
    358. 

  358.      fprintf(fp,"Parm_pv_pl = %d\n",gds.head.usPl_Pv);
    359. 

  359.      fprintf(fp,"Data_type = %d\n",gds.head.usData_type);
    360. 

  360.    
    361. 

  361. /*
    362. 

  362. * A.4.2    SWITCH (Data Type, Table 6)
    363. 

  363. *                 !  For each Data Type, write the following to file:
    364. 

  364. *                 !     Number of points along rows/columns of grid
    365. 

  365. *                 !     Reference Lat/Lon information
    366. 

  366. *                 !     Resolution and Component Flags (Table 7)
    367. 

  367. *                 !       Direction increments if given
    368. 

  368. *                 !       Assumption of Earth shape
    369. 

  369. *                 !       U&V component orientation
    370. 

  370. *                 !     Scanning mode flags (Table 8)
    371. 

  371. *              Default: Projection not supported, exit;
    372. 

  372. */
    373. 

  373.      fprintf(fp,"Projection = %s\n", prjn_name[gds.head.usData_type]);
    374. 

  374.      switch(gds.head.usData_type)
    375. 

  375.      {
    376. 

  376. 

  377. /*
    378. 

  378. *               Case  0: Lat/Lon projection
    379. 

  379. *               Case 10: Rotated Lat/Lon projection
    380. 

  380. *               Case 20: Stretched Lat/Lon projection
    381. 

  381. *               Case 30: Stretched Rotated Lat/Lon projection
    382. 

  382. */
    383. 

  383.     case LATLON_PRJ:    	/* Lat/Lon Grid */
    384. 

  384.     case ROT_LATLON_PRJ:   	/* Rotated Lat/Lon */
    385. 

  385.     case STR_LATLON_PRJ:   	/* Stretched Lat/Lon */
    386. 

  386.     case STR_ROT_LATLON_PRJ :  /* Stretched and Rotated Lat/Lon */
    387. 

  387. 

  388.       fprintf(fp,"Number of points along a parallel = %d\n",gds.llg.usNi);
    389. 

  389.       fprintf(fp,"Number of points along a meridian = %d\n",gds.llg.usNj);
    390. 

  390.       fprintf(fp,"Latitude of first grid point = %.3f deg\n",
    391. 

  391.       ((float)gds.llg.lLat1)/1000.);
    392. 

  392.       fprintf(fp,"Longitude of first grid point = %.3f deg\n",
    393. 

  393.       ((float)gds.llg.lLon1)/1000.);
    394. 

  394.       fprintf(fp,"Latitude of last grid point = %.3f deg\n",
    395. 

  395.       ((float)gds.llg.lLat2)/1000.);
    396. 

  396.       fprintf(fp,"Longitude of last grid point = %.3f deg\n",
    397. 

  397.       ((float)gds.llg.lLon2)/1000.);
    398. 

  398. 

  399.       fprintf(fp,"Resolution and Component Flags: \n");
    400. 

  400.       if ((gds.llg.usRes_flag >> 7) & 1) {
    401. 

  401.          fprintf(fp,"    Longitudinal increment = %f deg\n",
    402. 

  402. 	((float)gds.llg.iDi)/1000.);
    403. 

  403.          fprintf(fp,"    Latitudinal increment = %f deg\n",
    404. 

  404. 	((float)gds.llg.iDj)/1000.);
    405. 

  405.       }else fprintf(fp,"    Direction increments not given.\n");
    406. 

  406.       if ((gds.llg.usRes_flag >> 6) & 1)
    407. 

  407.            fprintf(fp,"    Earth assumed oblate spherical.\n");
    408. 

  408.       else fprintf(fp,"    Earth assumed spherical.\n");
    409. 

  409.       if ((gds.llg.usRes_flag >> 3) & 1)
    410. 

  410.            fprintf(fp,"    U&V components resolved relative to +I and "
    411. 

  411.                    "+J\n");
    412. 

  412.       else fprintf(fp,"    U&V components resolved relative to east "
    413. 

  413.                    "and north.\n");
    414. 

  414. 

  415.       fprintf(fp,"Scanning Mode Flags: \n");
    416. 

  416.       if ((gds.llg.usScan_mode >> 7) & 1)
    417. 

  417.            fprintf(fp,"    Points scan in -I direction.\n");
    418. 

  418.       else fprintf(fp,"    Points scan in +I direction.\n");
    419. 

  419.       if ((gds.llg.usScan_mode >> 6) & 1)
    420. 

  420.            fprintf(fp,"    Points scan in +J direction.\n");
    421. 

  421.       else fprintf(fp,"    Points scan in -J direction.\n");
    422. 

  422.       if ((gds.llg.usScan_mode >> 5) & 1)
    423. 

  423.            fprintf(fp,"    Adjacent points in J direction are "
    424. 

  424.                    "consecutive.\n");
    425. 

  425.       else fprintf(fp,"    Adjacent points in I direction are "
    426. 

  426.                    "consecutive.\n");
    427. 

  427. 

  428.       /* added 02/98
    429. 

  429. 	This code pertains only to the Stretch/Rotate grids,
    430. 

  430. 	so skip over if it's a LATLON_PRJN type;
    431. 

  431. 	*/
    432. 

  432.       if (gds.head.usData_type != LATLON_PRJ) 
    433. 

  433. 	{
    434. 

  434. 	fprintf(fp,"    Latitude of southern pole = %.3f deg\n",
    435. 

  435. 	((float)gds.llg.lLat_southpole)/1000.);
    436. 

  436. 	fprintf(fp,"    Longitude of southern pole = %.3f deg\n",
    437. 

  437. 	((float)gds.llg.lLon_southpole)/1000.);
    438. 

  438. 

  439. 	/* conv from 'saaaaaaa bbbbbbbb bbbbbbbb bbbbbbbb' representation
    440. 

  440. 	   a single precision floating point value */
    441. 

  441. 	fprintf(fp,"    Angle of rotation = %.3f\n", 
    442. 

  442. 	grib_ibm_local ((unsigned long) gds.llg.lRotate));
    443. 

  443. 

  444. 	fprintf(fp,"    Latitude of pole of stretching = %.3f deg\n",
    445. 

  445. 	((float)gds.llg.lPole_lat)/1000.);
    446. 

  446. 	fprintf(fp,"    Longitude of pole of stretching = %.3f deg\n",
    447. 

  447. 	((float)gds.llg.lPole_lon)/1000.);
    448. 

  448. 

  449. 	/* conv from 'saaaaaaa bbbbbbbb bbbbbbbb bbbbbbbb' representation
    450. 

  450.            a single precision floating point value */
    451. 

  451. 	fprintf(fp,"    Stretching factor = %.3f\n", 
    452. 

  452. 	grib_ibm_local ((unsigned long)gds.llg.lStretch));
    453. 

  453. 	}
    454. 

  454.       break;
    455. 

  455. 

  456. /*
    457. 

  457. *               Case 1: Mercator Projection
    458. 

  458. */
    459. 

  459.     case MERC_PRJ:    /* Mercator Projection Grid    */
    460. 

  460. 

  461.       fprintf(fp,"Number of points along a parallel = %d\n",gds.merc.cols);
    462. 

  462.       fprintf(fp,"Number of points along a meridian = %d\n",gds.merc.rows);
    463. 

  463.       fprintf(fp,"Latitude of first grid point = %.3f deg\n",
    464. 

  464.       ((float)gds.merc.first_lat)/1000.);
    465. 

  465.       fprintf(fp,"Longitude of first grid point = %.3f deg\n",
    466. 

  466.       ((float)gds.merc.first_lon)/1000.);
    467. 

  467.       fprintf(fp,"Latitude of last grid point = %.3f deg\n",
    468. 

  468.       ((float)gds.merc.La2)/1000.);
    469. 

  469.       fprintf(fp,"Longitude of last grid point = %.3f deg\n",
    470. 

  470.       ((float)gds.merc.Lo2)/1000.);
    471. 

  471.       fprintf(fp,"Latitude of intersection with Earth = %.3f deg\n",
    472. 

  472.       ((float)gds.merc.latin)/1000.);
    473. 

  473. 

  474.       fprintf(fp,"Resolution and Component Flags: \n");
    475. 

  475.       if ((gds.merc.usRes_flag >> 7) & 1) {
    476. 

  476.          fprintf(fp,"    Longitudinal increment = %f deg\n",
    477. 

  477. 	 ((float)gds.merc.lon_inc)/1000.);
    478. 

  478.          fprintf(fp,"    Latitudinal increment = %f deg\n",
    479. 

  479. 	 ((float)gds.merc.lat_inc)/1000.);
    480. 

  480.       }else fprintf(fp,"    Direction increments not given.\n");
    481. 

  481.       if ((gds.merc.usRes_flag >> 6) & 1)
    482. 

  482.            fprintf(fp,"    Earth assumed oblate spherical.\n");
    483. 

  483.       else fprintf(fp,"    Earth assumed spherical.\n");
    484. 

  484.       if ((gds.merc.usRes_flag >> 3) & 1)
    485. 

  485.            fprintf(fp,"    U&V components resolved relative to +I and "
    486. 

  486.                    "+J\n");
    487. 

  487.       else fprintf(fp,"    U&V components resolved relative to east "
    488. 

  488.                    "and north.\n");
    489. 

  489. 

  490.       fprintf(fp,"Scanning Mode Flags: \n");
    491. 

  491.       if ((gds.merc.usScan_mode >> 7) & 1)
    492. 

  492.            fprintf(fp,"    Points scan in -I direction.\n");
    493. 

  493.       else fprintf(fp,"    Points scan in +I direction.\n");
    494. 

  494.       if ((gds.merc.usScan_mode >> 6) & 1)
    495. 

  495.            fprintf(fp,"    Points scan in +J direction.\n");
    496. 

  496.       else fprintf(fp,"    Points scan in -J direction.\n");
    497. 

  497.       if ((gds.merc.usScan_mode >> 5) & 1)
    498. 

  498.            fprintf(fp,"    Adjacent points in J direction are "
    499. 

  499.                    "consecutive.\n");
    500. 

  500.       else fprintf(fp,"    Adjacent points in I direction are "
    501. 

  501.                    "consecutive.\n");
    502. 

  502.       break;
    503. 

  503. 

  504. /*
    505. 

  505. *               Case  3: Lambert Conformal Projection
    506. 

  506. *               Case 13: Oblique Lambert Conformal Projection
    507. 

  507. *               Case  8: Alberts equal-area secant/tangent conic/bipolar Prj
    508. 

  508. */
    509. 

  509.     case LAMB_PRJ:  		/* Lambert Conformal */
    510. 

  510.     case OBLIQ_LAMB_PRJ:  	/* Oblique Lambert Conformal */
    511. 

  511.     case ALBERS_PRJ:  		/* Albers equal-area */
    512. 

  512.                   
    513. 

  513.       fprintf(fp,"Number of points along X-axis = %d\n",gds.lam.iNx);
    514. 

  514.       fprintf(fp,"Number of points along Y-axis = %d\n",gds.lam.iNy);
    515. 

  515.       fprintf(fp,"Latitude of first grid point = %.3f deg\n",
    516. 

  516.       ((float)gds.lam.lLat1)/1000.);
    517. 

  517.       fprintf(fp,"Longitude of first grid point = %.3f deg\n",
    518. 

  518.       ((float)gds.lam.lLon1)/1000.);
    519. 

  519.       fprintf(fp,"Orientation of grid = %.3f deg\n",
    520. 

  520.       ((float)gds.lam.lLon_orient)/1000.);
    521. 

  521.       fprintf(fp,"First Latitude Cut = %.3f deg\n",
    522. 

  522.       ((float)gds.lam.lLat_cut1)/1000.);
    523. 

  523.       fprintf(fp,"Second Latitude Cut = %.3f deg\n",
    524. 

  524.       ((float)gds.lam.lLat_cut2)/1000.);
    525. 

  525. 

  526.       fprintf(fp,"Resolution and Component Flags: \n");
    527. 

  527.       if ((gds.lam.usRes_flag >> 7) & 1) {
    528. 

  528.             fprintf(fp,"    X-direction increment = %d meters\n",
    529. 

  529.             gds.lam.ulDx);
    530. 

  530.             fprintf(fp,"    Y-direction increment = %d meters\n",
    531. 

  531.             gds.lam.ulDy);
    532. 

  532.       }else fprintf(fp,"    Direction increments not given.\n");
    533. 

  533.       if ((gds.lam.usRes_flag >> 6) & 1)
    534. 

  534.            fprintf(fp,"    Earth assumed oblate spherical.\n");
    535. 

  535.       else fprintf(fp,"    Earth assumed spherical.\n");
    536. 

  536.       if ((gds.lam.usRes_flag >> 3) & 1)
    537. 

  537.            fprintf(fp,"    U&V components resolved relative to +I and "
    538. 

  538.                    "+J\n");
    539. 

  539.       else fprintf(fp,"    U&V components resolved relative to east "
    540. 

  540.                    "and north.\n");
    541. 

  541. 

  542.       fprintf(fp,"Scanning Mode Flags: \n");
    543. 

  543.       if ((gds.lam.usScan_mode >> 7) & 1)
    544. 

  544.            fprintf(fp,"    Points scan in -I direction.\n");
    545. 

  545.       else fprintf(fp,"    Points scan in +I direction.\n");
    546. 

  546.       if ((gds.lam.usScan_mode >> 6) & 1)
    547. 

  547.            fprintf(fp,"    Points scan in +J direction.\n");
    548. 

  548.       else fprintf(fp,"    Points scan in -J direction.\n");
    549. 

  549.       if ((gds.lam.usScan_mode >> 5) & 1)
    550. 

  550.            fprintf(fp,"    Adjacent points in J direction are "
    551. 

  551.                    "consecutive.\n");
    552. 

  552.       else fprintf(fp,"    Adjacent points in I direction are "
    553. 

  553.                    "consecutive.\n");
    554. 

  554. 

  555.       /* 02/98 This code pertains only to the Albers projection */
    556. 

  556.       if (gds.head.usData_type == ALBERS_PRJ) 
    557. 

  557. 	{
    558. 

  558. 	fprintf(fp,"    Latitude of the southern pole = %.3f\n",
    559. 

  559.         ((float)gds.lam.lLat_southpole)/1000.);
    560. 

  560. 	fprintf(fp,"    Longitude of the southern pole = %.3f\n",
    561. 

  561.         ((float)gds.lam.lLon_southpole)/1000.);
    562. 

  562.       	}
    563. 

  563.       break;
    564. 

  564. 

  565. /*
    566. 

  566. *               Case  4: Gaussian Lat/Lon Projection
    567. 

  567. *               Case 14: Rotated Gaussian Lat/Lon Projection
    568. 

  568. *               Case 24: Stretched Gaussian Lat/Lon Projection
    569. 

  569. *               Case 34: Stretched Rotated Gaussian Lat/Lon Projection
    570. 

  570. */
    571. 

  571.     case GAUSS_PRJ:    		/* Gaussian Latitude/Longitude Grid */
    572. 

  572.     case ROT_GAUSS_PRJ:   	/* Rotated Gaussian */
    573. 

  573.     case STR_GAUSS_PRJ :   	/* Stretched Gaussian */
    574. 

  574.     case STR_ROT_GAUSS_PRJ :   	/* Stretched and Rotated Gaussian */
    575. 

  575. 

  576.       fprintf(fp,"Number of points along a parallel = %d\n",gds.llg.usNi);
    577. 

  577.       fprintf(fp,"Number of points along a meridian = %d\n",gds.llg.usNj);
    578. 

  578.       fprintf(fp,"Latitude of first grid point = %.3f deg\n",
    579. 

  579.       ((float)gds.llg.lLat1)/1000.);
    580. 

  580.       fprintf(fp,"Longitude of first grid point = %.3f deg\n",
    581. 

  581.       ((float)gds.llg.lLon1)/1000.);
    582. 

  582.       fprintf(fp,"Latitude of last grid point = %.3f deg\n",
    583. 

  583.       ((float)gds.llg.lLat2)/1000.);
    584. 

  584.       fprintf(fp,"Longitude of last grid point = %.3f deg\n",
    585. 

  585.       ((float)gds.llg.lLon2)/1000.);
    586. 

  586. 

  587.       fprintf(fp,"Resolution and Component Flags: \n");
    588. 

  588.       if ((gds.llg.usRes_flag >> 7) & 1) {
    589. 

  589.          fprintf(fp,"    i direction increment = %f deg\n",
    590. 

  590. 	((float)gds.llg.iDi)/1000.);
    591. 

  591.          fprintf(fp,
    592. 

  592. 	"    Number of parallels between pole and equator = %d\n",
    593. 

  593. 	gds.llg.iDj);
    594. 

  594.       }else fprintf(fp,"    Direction increments not given.\n");
    595. 

  595.       if ((gds.llg.usRes_flag >> 6) & 1)
    596. 

  596.            fprintf(fp,"    Earth assumed oblate spherical.\n");
    597. 

  597.       else fprintf(fp,"    Earth assumed spherical.\n");
    598. 

  598.       if ((gds.llg.usRes_flag >> 3) & 1)
    599. 

  599.            fprintf(fp,"    U&V components resolved relative to +I and "
    600. 

  600.                    "+J\n");
    601. 

  601.       else fprintf(fp,"    U&V components resolved relative to east "
    602. 

  602.                    "and north.\n");
    603. 

  603. 

  604.       fprintf(fp,"Scanning Mode Flags: \n");
    605. 

  605.       if ((gds.llg.usScan_mode >> 7) & 1)
    606. 

  606.            fprintf(fp,"    Points scan in -I direction.\n");
    607. 

  607.       else fprintf(fp,"    Points scan in +I direction.\n");
    608. 

  608.       if ((gds.llg.usScan_mode >> 6) & 1)
    609. 

  609.            fprintf(fp,"    Points scan in +J direction.\n");
    610. 

  610.       else fprintf(fp,"    Points scan in -J direction.\n");
    611. 

  611.       if ((gds.llg.usScan_mode >> 5) & 1)
    612. 

  612.            fprintf(fp,"    Adjacent points in J direction are "
    613. 

  613.                    "consecutive.\n");
    614. 

  614.       else fprintf(fp,"    Adjacent points in I direction are "
    615. 

  615.                    "consecutive.\n");
    616. 

  616. 

  617.       /* added 02/98
    618. 

  618. 	This code pertains only to the Stretch/Rotate grids
    619. 

  619. 	*/
    620. 

  620.       if (gds.head.usData_type != GAUSS_PRJ) 
    621. 

  621. 	{
    622. 

  622. 	fprintf(fp,"    Latitude of southern pole = %.3f deg\n",
    623. 

  623. 	((float)gds.llg.lLat_southpole)/1000.);
    624. 

  624. 	fprintf(fp,"    Longitude of southern pole = %.3f deg\n",
    625. 

  625. 	((float)gds.llg.lLon_southpole)/1000.);
    626. 

  626. 	
    627. 

  627.        /* conv from 'saaaaaaa bbbbbbbb bbbbbbbb bbbbbbbb' representation
    628. 

  628.            a single precision floating point value */
    629. 

  629.         fprintf(fp,"    Angle of rotation = %.3f\n",
    630. 

  630.         grib_ibm_local ((unsigned long) gds.llg.lRotate));
    631. 

  631. 

  632. 	fprintf(fp,"    Latitude of pole of stretching = %.3f deg\n",
    633. 

  633. 	(float)gds.llg.lPole_lat);
    634. 

  634. 	fprintf(fp,"    Longitude of pole of stretching = %.3f deg\n",
    635. 

  635. 	(float)gds.llg.lPole_lon);
    636. 

  636. 	
    637. 

  637. 	/* conv from 'saaaaaaa bbbbbbbb bbbbbbbb bbbbbbbb' representation
    638. 

  638.            a single precision floating point value */
    639. 

  639. 	fprintf(fp,"    Stretching factor = %.3f\n", 
    640. 

  640. 	grib_ibm_local ((unsigned long)gds.llg.lStretch));
    641. 

  641. 	}
    642. 

  642.       break;
    643. 

  643. 

  644. /*
    645. 

  645. *               Case 5: Polar Sterographic Projection
    646. 

  646. */
    647. 

  647.     case POLAR_PRJ:    /* Polar Stereographic Projection Grid    */
    648. 

  648.       fprintf(fp,"Number of points along X-axis = %d\n",gds.pol.usNx);
    649. 

  649.       fprintf(fp,"Number of points along Y-axis = %d\n",gds.pol.usNy);
    650. 

  650.       fprintf(fp,"Latitude of first grid point = %.3f deg\n",
    651. 

  651. 	((float)gds.pol.lLat1)/1000.);
    652. 

  652.       fprintf(fp,"Longitude of first grid point = %.3f deg\n",
    653. 

  653. 	((float)gds.pol.lLon1)/1000.);
    654. 

  654.       fprintf(fp,"Orientation of grid = %.3f deg\n",
    655. 

  655. 	((float)gds.pol.lLon_orient)/1000.);
    656. 

  656.       fprintf(fp,"Projection Center: ");
    657. 

  657.       if ((gds.pol.usProj_flag >> 7) & 1)
    658. 

  658.            fprintf(fp,"South Pole\n");
    659. 

  659.       else fprintf(fp,"North Pole\n");
    660. 

  660. 

  661.       fprintf(fp,"Resolution and Component Flags: \n");
    662. 

  662.       if ((gds.pol.usRes_flag >> 7) & 1) {
    663. 

  663.          fprintf(fp,"    X-direction grid length = %d meters\n",gds.pol.ulDx);
    664. 

  664.          fprintf(fp,"    Y-direction grid length = %d meters\n",gds.pol.ulDy);
    665. 

  665.       }else fprintf(fp,"    Direction increments not given.\n");
    666. 

  666.       if ((gds.pol.usRes_flag >> 6) & 1)
    667. 

  667.            fprintf(fp,"    Earth assumed oblate spherical.\n");
    668. 

  668.       else fprintf(fp,"    Earth assumed spherical.\n");
    669. 

  669.       if ((gds.pol.usRes_flag >> 3) & 1)
    670. 

  670.            fprintf(fp,"    U&V components resolved relative to +I and "
    671. 

  671.                    "+J\n");
    672. 

  672.       else fprintf(fp,"    U&V components resolved relative to east "
    673. 

  673.                    "and north.\n");
    674. 

  674. 

  675.       fprintf(fp,"Scanning Mode Flags: \n");
    676. 

  676.       if ((gds.pol.usScan_mode >> 7) & 1)
    677. 

  677.            fprintf(fp,"    Points scan in -I direction.\n");
    678. 

  678.       else fprintf(fp,"    Points scan in +I direction.\n");
    679. 

  679.       if ((gds.pol.usScan_mode >> 6) & 1)
    680. 

  680.            fprintf(fp,"    Points scan in +J direction.\n");
    681. 

  681.       else fprintf(fp,"    Points scan in -J direction.\n");
    682. 

  682.       if ((gds.pol.usScan_mode >> 5) & 1)
    683. 

  683.            fprintf(fp,"    Adjacent points in J direction are "
    684. 

  684.                    "consecutive.\n");
    685. 

  685.       else fprintf(fp,"    Adjacent points in I direction are "
    686. 

  686.                    "consecutive.\n");
    687. 

  687.       break;
    688. 

  688. 

  689.     default:   /* Bad projection:  ignore & continue */ 
    690. 

  690.       fprintf(stdout, "\n\n***%s WARNING ***:\nProjection %d is INVALID;\n\n",
    691. 

  691.       func, gds.head.usData_type);
    692. 

  692. 

  693.       fprintf(fp,"================================================\n"\
    694. 

  694. 	         "%s:  projection %d is not currently implemented\n"\
    695. 

  695.       		"================================================\n",
    696. 

  696.       func, gds.head.usData_type);
    697. 

  697.       break;
    698. 

  698. 

  699. /*
    700. 

  700. * A.4.2    ENDSWITCH (Data Type)
    701. 

  701. */
    702. 

  702.      } /* Switch */
    703. 

  703. 

  704.   } /* gds included */
    705. 

  705. /*
    706. 

  706. *
    707. 

  707. * A.4     ELSE 
    708. 

  708. *             PRINT no Gds message
    709. 

  709. * A.4     ENDIF
    710. 

  710. */
    711. 

  711.   else fprintf(fp,"\n******* NO SECTION 2 GDS *********\n" );
    712. 

  712. 

  713. 

  714. /*
    715. 

  715. *
    716. 

  716. * A.5   IF (Bitmap Section is present)
    717. 

  717. *       THEN
    718. 

  718. *          WRITE Bitmap Section information to file
    719. 

  719. *       ELSE
    720. 

  720. *          PRINT no bms mesg
    721. 

  721. *       ENDIF
    722. 

  722. */
    723. 

  723.   if(pds.usGds_bms_id >> 6 & 1) {
    724. 

  724.     fprintf(fp,"\n********* SECTION 3 BMS **********\n" );
    725. 

  725.     fprintf(fp,"Section length = %ld\n", bms.uslength);
    726. 

  726.     if (bms.uslength <= 6)
    727. 

  727.       fprintf(fp,"Bitmap is predefined (Not in message).\n");
    728. 

  728.     else fprintf(fp,"Bitmap is included with message.\n");
    729. 

  729.     fprintf(fp,"Bitmap ID = %d \n", bms.usBMS_id);
    730. 

  730.     fprintf(fp,"Number of unused bits = %d\n", bms.usUnused_bits);
    731. 

  731.     fprintf(fp,"Number of datapoints set = %ld\n", bms.ulbits_set);
    732. 

  732.   }else{
    733. 

  733.     fprintf(fp,"\n******* NO SECTION 3 BMS *********\n" );
    734. 

  734.   }
    735. 

  735. 

  736. /*
    737. 

  737. *
    738. 

  738. * A.6   WRITE out Binary Data Section Information to file 
    739. 

  739. *       !Section Length
    740. 

  740. */
    741. 

  741.   fprintf(fp,"\n********* SECTION 4 BDS *********\n" );
    742. 

  742.   fprintf(fp,"Section length = %ld\n",bds.length);
    743. 

  743. 

  744. /*
    745. 

  745. *       !Table 11 Flags
    746. 

  746. */       
    747. 

  747.   fprintf(fp,"Table 11 Flags:\n");
    748. 

  748.   if ((bds.usBDS_flag >> 7) & 1)
    749. 

  749.        fprintf(fp,"    Spherical harmonic coefficients.\n");
    750. 

  750.   else fprintf(fp,"    Grid-point data.\n");
    751. 

  751.   if ((bds.usBDS_flag >> 6) & 1)
    752. 

  752.        fprintf(fp,"    Second-order packing.\n");
    753. 

  753.   else fprintf(fp,"    Simple Packing.\n");
    754. 

  754.   if ((bds.usBDS_flag >> 5) & 1)
    755. 

  755.        fprintf(fp,"    Integer values.\n");
    756. 

  756.   else fprintf(fp,"    Floating point values.\n");
    757. 

  757.   if ((bds.usBDS_flag >> 4) & 1)
    758. 

  758.        fprintf(fp,"    Octet 14 contains additional flag bits.\n");
    759. 

  759.   else fprintf(fp,"    No additional flags at octet 14.\n");
    760. 

  760. 

  761. /*
    762. 

  762. *       !Decimal Scale Factor (Repeated from PDS)
    763. 

  763. */
    764. 

  764.   fprintf(fp,"\nDecimal Scale Factor = %d\n",pds.sDec_sc_fctr);
    765. 

  765. 

  766. /*
    767. 

  767. *       !Binary Scale Factor
    768. 

  768. *       !Bit Width
    769. 

  769. *       !Number of Data Points
    770. 

  770. */
    771. 

  771.   fprintf(fp,"Binary scale factor = %d\n", bds.Bin_sc_fctr);
    772. 

  772.   fprintf(fp,"Bit width = %d\n", bds.usBit_pack_num);
    773. 

  773.   fprintf(fp,"Number of data points = %ld\n",bds.ulGrid_size);
    774. 

  774. 

  775. /*
    776. 

  776. * A.6.1   WRITE Data Summary to file
    777. 

  777. *         !Compute Data Min/Max and Resolution
    778. 

  778. */
    779. 

  779.   dsf = (float) pow( (double) 10, (double) pds.sDec_sc_fctr);
    780. 

  780.   res = (float) pow((double)2,(double)bds.Bin_sc_fctr) / dsf;
    781. 

  781.   min = bds.fReference / dsf;
    782. 

  782.   max = (float) (pow((double)2, (double)bds.usBit_pack_num) - 1);
    783. 

  783.   max = min + max * res;
    784. 

  784.   fprintf(fp,"Data Minimum = %f\n", min );
    785. 

  785.   fprintf(fp,"Data Maximum = %f\n", max );
    786. 

  786.   fprintf(fp,"Resolution = %f\n",res );
    787. 

  787. 

  788. /*
    789. 

  789. *         !Compute Format Specifier for printing Data
    790. 

  790. */
    791. 

  791.   fd = (int) -1 * (float) log10((double) res) + .5; 
    792. 

  792.   if (fd <= 0)
    793. 

  793.   {
    794. 

  794.     fd = 0;
    795. 

  795.     fprintf(fp,"DATA will be displayed as integers (res > 0.1).\n");
    796. 

  796.   }
    797. 

  797. 

  798. /*
    799. 

  799. *         !WRITE First 100 Data Points to file up to Encoded Precision
    800. 

  800. */
    801. 

  801.   if (bds.ulGrid_size > 1) {
    802. 

  802.   if (bds.ulGrid_size < 100) numpts = bds.ulGrid_size;
    803. 

  803.   fprintf(fp,"\nDATA ARRAY: (first %d)\n",numpts);
    804. 

  804.   if (fd > 0)  {
    805. 

  805. 	for (i=0; i<numpts; i=i+5)
    806. 

  806. 	  if (i + 5 < numpts) 
    807. 

  807.  	      fprintf(fp, "%03d-  %.*f  %.*f  %.*f  %.*f  %.*f\n",
    808. 

  808.               i,fd,grib_data[i],fd,grib_data[i+1],fd,
    809. 

  809.               grib_data[i+2],fd,grib_data[i+3],fd,grib_data[i+4] );
    810. 

  810. 	  else  {
    811. 

  811. 	      fprintf(fp,"%03d-", i); 
    812. 

  812. 	      while (i < numpts) fprintf(fp,"  %.*f", fd, grib_data[i++]);
    813. 

  813. 	      fprintf(fp,"\n");
    814. 

  814. 	    }
    815. 

  815. 	}
    816. 

  816.   else  {
    817. 

  817. 	for (i=0; i<numpts; i=i+5)
    818. 

  818. 	  if (i + 5 < numpts)
    819. 

  819.     	      fprintf(fp, "%03d-  %.0f  %.0f  %.0f  %.0f  %.0f\n",
    820. 

  820.               i,grib_data[i],grib_data[i+1],
    821. 

  821.               grib_data[i+2],grib_data[i+3],grib_data[i+4] );
    822. 

  822. 	  else  {
    823. 

  823. 	      fprintf(fp,"%03d-", i); 
    824. 

  824. 	      while (i < numpts) fprintf(fp,"  %.0f", grib_data[i++]);
    825. 

  825. 	      fprintf(fp,"\n");
    826. 

  826. 	    }
    827. 

  827. 	}
    828. 

  828.   
    829. 

  829.   }
    830. 

  830. 

  831.   fprintf (fp,"\n******** END OF MESSAGE *******\n\n");
    832. 

  832. 

  833. /*
    834. 

  834. * 
    835. 

  835. * A.7   CLOSE file
    836. 

  836. */
    837. 

  837.   fclose (fp);
    838. 

  838. 

  839. /*
    840. 

  840. *
    841. 

  841. * A.8   DEBUG printing
    842. 

  842. */
    843. 

  843.   DPRINT1 ("Leaving  %s, no errors\n", func);
    844. 

  844.   return (0);
    845. 

  845. 

  846. /*
    847. 

  847. * END OF FUNCTION
    848. 

  848. *
    849. 

  849. *
    850. 

  850. */
    851. 

  851. }
    852. 

  852.