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Index Page ekgi_c
Table of contents
Procedure Abstract Required_Reading Keywords Brief_I/O Detailed_Input | Detailed_Output Parameters Exceptions Files Particulars Examples | Restrictions Literature_References Author_and_Institution Version Index_Entries
#### Procedure
       ekgi_c ( EK, get event data, integer )

       void ekgi_c ( SpiceInt          selidx,
                     SpiceInt          row,
                     SpiceInt          elment,
                     SpiceInt        * idata,
                     SpiceBoolean    * null,
                     SpiceBoolean    * found  )
#### Abstract
       Return an element of an entry in a column of integer
       type in a specified row.
#### Required_Reading
       EK
#### Keywords
       ASSIGNMENT
       EK
#### Brief_I/O
       VARIABLE  I/O  DESCRIPTION
       --------  ---  --------------------------------------------------
       selidx     I   Index of parent column in SELECT clause.
       row        I   Row to fetch from.
       elment     I   Index of element, within column entry, to fetch.
       idata      O   Integer element of column entry.
       null       O   Flag indicating whether column entry was null.
       found      O   Flag indicating whether column was present in row.
#### Detailed_Input
       selidx      is the SELECT clause index of the column to fetch
                   from. The range of selidx is from 0 to one less than
                   the number of columns in the SELECT clause.

       row         is the output row containing the entry to fetch
                   from. The range of row is from 0 to one less than
                   the number of rows satisfying the previous query.

       elment      is the index of the element of the column entry
                   to fetch. The normal range of elment is from 0 to
                   one less than the size of the column's entry, but
                   elment is allowed to exceed the number of elements in
                   the column entry; if it does, found is returned
                   as SPICEFALSE. This allows the caller to read data
                   from the column entry in a loop without checking the
                   number of available elements first.

                   Null values in variable-sized columns are
                   considered to have size 1.
#### Detailed_Output
       idata       is the requested element of the specified column
                   entry. If the entry is null, idata is undefined.

                   If idata is too short to accommodate the requested
                   column entry element, the element is truncated on
                   the right to fit idata.

       null        is a logical flag indicating whether the entry
                   belonging to the specified column in the specified
                   row is null.

       found       is a logical flag indicating whether the specified
                   element was found. If the element does not exist,
                   found is returned as SPICEFALSE.
#### Parameters
       None.
#### Exceptions
       1)  If the input argument `elment' is less than 0, the error
           SPICE(INVALIDINDEX) is signaled by a routine in the call tree of this
           routine and `found' is returned SPICEFALSE. However, `elment' is allowed
           to be greater than or equalt to the number of elements in the specified
           column entry; this allows the caller to read data from the column entry
           in a loop without checking the number of available elements first. If
           `elment' is greater than or equal to the number of available elements,
           `found' is returned SPICEFALSE.

       2)  If `selidx' is outside of the range established by the last query
           passed to the EK search engine, the error SPICE(INVALIDINDEX) is
           signaled by a routine in the call tree of this routine and `found' is
           returned SPICEFALSE.

       3)  If the input argument `row' is less than 0 or greater than or equal
           to the number of rows matching the query, the error
           SPICE(INVALIDINDEX) is signaled by a routine in the call tree
           of this routine and `found' is returned SPICEFALSE.

       4)  If the specified column does not have integer type, the error
           SPICE(INVALIDTYPE) is signaled by a routine in the call tree
           of this routine.

       5)  If this routine is called when no E-kernels have been loaded,
           the error SPICE(NOLOADEDFILES) is signaled by a routine in the
           call tree of this routine.
#### Files
       The EK "query and fetch" suite of functions reads binary `sequence
       component' EK files. In order for a binary EK file to be
       accessible to this routine, the file must be `loaded' via a call
       to the function eklef_c.

       Text format EK files cannot be used by this routine; they must
       first be converted by binary format by the NAIF Toolkit utility
       SPACIT.
#### Particulars
       This routine allows retrieval of data from integer columns.

       This routine returns one element at a time in order to save the
       caller from imposing a limit on the size of the column entries
       that can be handled.
#### Examples
       The numerical results shown for these examples may differ across
       platforms. The results depend on the SPICE kernels used as
       input, the compiler and supporting libraries, and the machine
       specific arithmetic implementation.

       1) Perform a query on an EK file that contains a database with
          the Supplementary Engineering Data Records of the Viking
          Project in order to retrieve the IMAGE_NUMBER values (integer
          numbers) that correspond to the images with IMAGE_NUMBER
          smaller than a given value, ordered by IMAGE_NUMBER.

          Use the EK kernel below to load the information from the
          original Supplementary Engineering Data Record (SEDR) data
          set generated by the Viking Project.

             vo_sedr.bdb

          Example code begins here.

          /.
             Program ekgi_ex1
          ./
          #include <stdio.h>
          #include "SpiceUsr.h"

          int main( )
          {

             /.
             Local parameters
             ./
             #define EKNAME       "vo_sedr.bdb"
             #define ERRLEN       1840

             /.
             Local variables
             ./
             SpiceChar            errmsg [ERRLEN];
             SpiceChar          * query;

             SpiceInt             eltidx;
             SpiceInt             idata;
             SpiceInt             nmrows;
             SpiceInt             rowno;
             SpiceInt             selidx;

             SpiceBoolean         error;
             SpiceBoolean         found;
             SpiceBoolean         isnull;

             /.
             Open an EK file.
             ./
             furnsh_c ( EKNAME );

             /.
             The table "VIKING_SEDR_DATA" has a column
             "IMAGE_NUMBER" of double precision values.

             Define a set of constraints to perform a query on
             all loaded EK files (the SELECT clause). In this
             case select the column "IMAGE_NUMBER" from table
             "VIKING_SEDR_DATA" sorted by "IMAGE_NUMBER".
             ./
             query = "Select IMAGE_NUMBER from VIKING_SEDR_DATA "
                     "where IMAGE_NUMBER < 25860000 "
                     "order by IMAGE_NUMBER";

             /.
             Query the EK system for data rows matching the
             SELECT constraints.
             ./
             ekfind_c ( query, ERRLEN, &nmrows, &error, errmsg );

             /.
             Check whether an error occurred while processing the
             SELECT clause. If so, output the error message.
             ./
             if ( error )
             {
                printf( "SELECT clause error:  %s\n", errmsg );
             }
             else
             {

                /.
                Fetch the character data. We know the query returned
                one column and the column contains only scalar data,
                so the index of all elements is 0.
                ./
                selidx = 0;
                eltidx = 0;

                /.
                Loop over each row found matching the query.
                ./
                for ( rowno = 0; rowno < nmrows; rowno++ )
                {

                   printf( "Row  %2d: Integer data: ", rowno );

                   /.
                   Use ekgd_c to retrieve the string from
                   ./
                   ekgi_c ( selidx, rowno, eltidx, &idata, &isnull, &found );

                   if ( isnull )
                   {
                      printf( "<Null>\n" );
                   }
                   else
                   {

                      printf( "%10d\n", idata );
                   }

                }

             }

             return ( 0 );
          }

          When this program was executed on a Mac/Intel/cc/64-bit
          platform, the output was:

          Row   0: Integer data:   25837050
          Row   1: Integer data:   25837051
          Row   2: Integer data:   25840344
          Row   3: Integer data:   25840345
          Row   4: Integer data:   25843638
          Row   5: Integer data:   25843639
          Row   6: Integer data:   25846934
          Row   7: Integer data:   25846935
          Row   8: Integer data:   25848026
          Row   9: Integer data:   25848030
          Row  10: Integer data:   25848032
          Row  11: Integer data:   25851874
          Row  12: Integer data:   25851878
          Row  13: Integer data:   25851880
          Row  14: Integer data:   25853516
          Row  15: Integer data:   25853520
          Row  16: Integer data:   25853522
          Row  17: Integer data:   25855162
          Row  18: Integer data:   25855166
          Row  19: Integer data:   25855168
          Row  20: Integer data:   25856810
          Row  21: Integer data:   25856814
          Row  22: Integer data:   25856816
          Row  23: Integer data:   25858458
          Row  24: Integer data:   25858462
          Row  25: Integer data:   25858464

       2) This example demonstrates how to fetch integer values
          from a column in three different cases: single values,
          variable-size arrays and static-size arrays.

          Create an EK that contains a table TAB that has the following
          columns:

             Column name   Data Type   Size
             -----------   ---------   ----
             INT_COL_1     INT         1
             INT_COL_2     INT         VARIABLE
             INT_COL_3     INT         3

          Issue the following query

              query = "SELECT INT_COL_1, INT_COL2, INT_COL3 FROM TAB"

          to fetch and dump column values from the rows that satisfy the
          query.

          Example code begins here.

          /.
             Program ekgi_ex2
          ./
          #include <stdio.h>
          #include <string.h>
          #include "SpiceUsr.h"

          int main( )
          {

             /.
             Local parameters
             ./
             #define EKNAME       "ekgi_ex2.bdb"
             #define TABLE        "TAB"
             #define COL3SZ       3
             #define DECLEN       200
             #define ERRLEN       1840
             #define MXC2SZ       4
             #define NCOLS        3
             #define NROWS        4

             /.
             Local variables
             ./
             SpiceChar            cdecls [NCOLS][DECLEN];
             SpiceChar            cnames [NCOLS][SPICE_EK_CSTRLN];
             SpiceChar            errmsg [ERRLEN];
             SpiceChar          * ifname;
             SpiceChar          * query;

             SpiceInt             col1;
             SpiceInt             col2   [MXC2SZ];
             SpiceInt             col3   [COL3SZ];
             SpiceInt             eltidx;
             SpiceInt             handle;
             SpiceInt             i;
             SpiceInt             ivals  [MXC2SZ];
             SpiceInt             j;
             SpiceInt             nelt;
             SpiceInt             nmrows;
             SpiceInt             nresvc;
             SpiceInt             recno;
             SpiceInt             row;
             SpiceInt             segno;
             SpiceInt             selidx;

             SpiceBoolean         error;
             SpiceBoolean         found;
             SpiceBoolean         isnull;

             /.
             Open a new EK file.  For simplicity, we will not
             reserve any space for the comment area, so the
             number of reserved comment characters is zero.
             The variable `ifname' is the internal file name.
             ./
             nresvc  =  0;
             ifname  =  "Test ek/created 13-JUN-2019";

             ekopn_c ( EKNAME, ifname, nresvc, &handle );

             /.
             Set up the column names and declarations
             for the TAB segment.  We'll index all of
             the columns.
             ./
             strcpy( cnames[0], "INT_COL_1" );
             strcpy( cdecls[0], "DATATYPE = INTEGER, INDEXED  = TRUE" );

             strcpy( cnames[1], "INT_COL_2" );
             strcpy( cdecls[1], "DATATYPE = INTEGER, SIZE = VARIABLE" );

             strcpy( cnames[2], "INT_COL_3" );
             strcpy( cdecls[2], "DATATYPE = INTEGER, SIZE = 3" );

             /.
             Start the segment.
             ./
             ekbseg_c ( handle, TABLE,  NCOLS,   SPICE_EK_CSTRLN,
                        cnames, DECLEN, cdecls, &segno           );

             /.
             At the records to the table.
             ./
             for ( i = 1; i <= NROWS; i++ )
             {

                /.
                Append a new record to the EK.
                ./
                ekappr_c ( handle, segno, &recno );

                /.
                Add INT_COL_1
                ./
                col1 = i * 100;

                ekacei_c ( handle,  segno, recno,     cnames[0],
                           1,      &col1,  SPICEFALSE           );

                /.
                Add `i' items to INT_COL_2
                ./
                for ( j = 0; j < i; j++ )
                {
                   col2[j] = j + 1 + i*200;
                }

                ekacei_c ( handle, segno, recno, cnames[1], i, col2, SPICEFALSE );

                /.
                Add 3 items to INT_COL_3
                ./
                for ( j = 0; j < 3; j++ )
                {
                   col3[j] =  i + (j+1)*100.0;
                }

                ekacei_c ( handle, segno, recno, cnames[2], 3, col3, SPICEFALSE );

             }

             /.
             Close the file.
             ./
             ekcls_c ( handle );

             /.
             Open the created file. Perform the query and show the
             results.
             ./
             furnsh_c ( EKNAME );

             query = "SELECT INT_COL_1, INT_COL_2, INT_COL_3 FROM TAB";

             /.
             Query the EK system for data rows matching the
             SELECT constraints.
             ./
             ekfind_c ( query, ERRLEN, &nmrows, &error, errmsg );

             /.
             Check whether an error occurred while processing the
             SELECT clause. If so, output the error message.
             ./
             if ( error )
             {
                printf( "SELECT clause error:  %s\n", errmsg );
             }
             else
             {

                for ( row = 0; row < nmrows; row++ )
                {

                   printf( " \n" );
                   printf( "ROW  =  %2d\n", row );

                   /.
                   Fetch values from column INT_COL_1.  Since
                   INT_COL_1 was the first column selected, the
                   selection index `selidx' is set to 0.
                   ./
                   selidx = 0;
                   eltidx = 0;
                   ekgi_c ( selidx, row, eltidx, ivals, &isnull, &found );

                   printf( "  COLUMN = INT_COL_1:" );

                   if ( isnull )
                   {
                      printf( "<Null>\n" );
                   }
                   else
                   {
                      printf( " %6d\n", ivals[0] );
                   }

                   /.
                   Fetch values from column INT_COL_2 in the current
                   row.  Since INT_COL_2 contains variable-size array
                   elements, we call eknelt_c to determine how many
                   elements to fetch.
                   ./
                   selidx = 1;
                   nelt = eknelt_c ( selidx, row );

                   eltidx = 0;
                   isnull = SPICEFALSE;

                   while ( ( eltidx < nelt ) && ( !isnull ) )
                   {

                      ekgi_c ( selidx,        row,     eltidx,
                               ivals+eltidx, &isnull, &found  );

                      eltidx = eltidx + 1;

                      /.
                      If the column entry is null, we'll be kicked
                      out of this loop after the first iteration.
                      ./
                   }

                   printf( "  COLUMN = INT_COL_2:" );

                   if ( isnull )
                   {
                      printf( "<Null>\n" );
                   }
                   else
                   {

                      for ( i = 0; i < nelt; i++ )
                      {
                         printf( " %6d", ivals[i] );
                      }

                      printf( " \n" );

                   }

                   /.
                   Fetch values from column INT_COL_3 in the current
                   row.  We need not call eknelt_c since we know how
                   many elements are in each column entry.
                   ./
                   selidx = 2;
                   eltidx = 0;
                   isnull = SPICEFALSE;

                   while ( ( eltidx < COL3SZ ) && ( !isnull ) )
                   {

                      ekgi_c ( selidx,        row,     eltidx,
                               ivals+eltidx, &isnull, &found  );

                      eltidx = eltidx + 1;

                   }

                   printf( "  COLUMN = INT_COL_3:" );

                   if ( isnull )
                   {
                      printf( "<Null>\n" );
                   }
                   else
                   {

                      for ( i = 0; i < COL3SZ; i++ )
                      {
                         printf( " %6d", ivals[i] );
                      }

                      printf( " \n" );

                   }

                }

                /.
                We either parsed the SELECT clause or had an error.
                ./
             }

             return ( 0 );
          }

          When this program was executed on a Mac/Intel/cc/64-bit
          platform, the output was:

          ROW  =   0
            COLUMN = INT_COL_1:    100
            COLUMN = INT_COL_2:    201
            COLUMN = INT_COL_3:    101    201    301

          ROW  =   1
            COLUMN = INT_COL_1:    200
            COLUMN = INT_COL_2:    401    402
            COLUMN = INT_COL_3:    102    202    302

          ROW  =   2
            COLUMN = INT_COL_1:    300
            COLUMN = INT_COL_2:    601    602    603
            COLUMN = INT_COL_3:    103    203    303

          ROW  =   3
            COLUMN = INT_COL_1:    400
            COLUMN = INT_COL_2:    801    802    803    804
            COLUMN = INT_COL_3:    104    204    304

          Note that after run completion, a new EK file exists in the
          output directory.

       3) Query the EK system and fetch data matching that query.

          The program shown here does not rely on advance
          knowledge of the input query or the contents of any loaded EK
          files.

          To simplify the example, we assume that all data are scalar.
          This assumption relieves us of the need to test the size of
          column entries before fetching them. In the event that a
          column contains variable-size array entries, the entry point
          eknelt_c may be called to obtain the size of column entries to
          be fetched. See eknelt_c for an example.

          Use the EK kernel below to load the information from the
          original Supplementary Engineering Data Record (SEDR) data
          set generated by the Viking Project.

             vo_sedr.bdb

          Use the LSK kernel below to load the leap seconds and time
          constants required for the conversions.

             naif0012.tls

          Example code begins here.

          /.
             Program ekgi_ex3
          ./
          #include <stdio.h>
          #include "SpiceUsr.h"

          int main( )
          {

             /.
             Local parameters
             ./
             #define EKNAME       "vo_sedr.bdb"
             #define LSKNAM       "naif0012.tls"
             #define ERRLEN       1840
             #define TIMLEN       27
             #define TYPLEN       4
             #define XCLSLN       4

             /.
             Local variables
             ./
             SpiceChar            cdata  [SPICE_EK_MAXQSTR];
             SpiceChar            cols   [SPICE_EK_MAXQSEL][SPICE_EK_MAXQRY];
             SpiceChar            errmsg [ERRLEN];
             SpiceChar          * query;
             SpiceChar            utcstr [TIMLEN];
             SpiceChar            tabs   [SPICE_EK_MAXQTAB][SPICE_EK_MAXQRY];
             SpiceEKExprClass     xclass [SPICE_EK_MAXQSEL];
             SpiceEKDataType      xtypes [SPICE_EK_MAXQSEL];

             SpiceDouble          ddata;
             SpiceDouble          tdata;

             SpiceInt             b;
             SpiceInt             colno;
             SpiceInt             e;
             SpiceInt             handle;
             SpiceInt             idata;
             SpiceInt             n;
             SpiceInt             nmrows;
             SpiceInt             row;
             SpiceInt             xbegs  [SPICE_EK_MAXQSEL];
             SpiceInt             xends  [SPICE_EK_MAXQSEL];

             SpiceBoolean         error;
             SpiceBoolean         found;
             SpiceBoolean         null;

             /.
             Load leapseconds file for time conversion.
             ./
             furnsh_c ( LSKNAM );

             /.
             Load EK.
             ./
             eklef_c ( EKNAME, &handle );

             /.
             Setup the query.  Parse the SELECT clause using
             ekpsel_c.
             ./
             query = "Select IMAGE_NUMBER, IMAGE_ID, PLATFORM_CLOCK, IMAGE_TIME "
                     "from VIKING_SEDR_DATA where IMAGE_NUMBER < 25850000 "
                     "order by IMAGE_NUMBER";

             ekpsel_c ( query,  ERRLEN, SPICE_EK_MAXQRY, SPICE_EK_MAXQRY,
                        &n,     xbegs,  xends,           xtypes,
                        xclass, tabs,   cols,           &error,          errmsg );

             if ( error )
             {
                printf( "%s\n", errmsg );
             }
             else
             {

                /.
                Submit query to the EK query system.
                ./
                ekfind_c ( query, ERRLEN, &nmrows, &error, errmsg );

                if ( error )
                {

                   printf( "%s\n", errmsg );

                }
                else
                {

                   /.
                   Fetch the rows that matched the query.
                   ./
                   for ( row = 0; row < nmrows; row++ )
                   {

                      /.
                      Fetch data from the ith row.
                      ./
                      printf( " \n" );
                      printf( "ROW =  %d\n", row );

                      for ( colno = 0; colno < n; colno++ )
                      {

                         /.
                         Fetch the data from the jth selected
                         column.
                         ./
                         if ( xclass[colno] == SPICE_EK_EXP_COL )
                         {
                            printf( "  %s.%-14s: ", tabs[colno], cols[colno] );
                         }
                         else
                         {
                            b  =  xbegs[colno];
                            e  =  xends[colno];
                            printf( "ITEM =  (%.*s)", e-b, query+b );
                         }

                         if ( xtypes[colno] == SPICE_CHR )
                         {
                            ekgc_c ( colno,  row,   1, SPICE_EK_MAXQSTR,
                                     cdata, &null, &found               );

                            if ( null )
                            {
                               printf( "<Null>\n" );
                            }
                            else
                            {
                               printf( "%s\n", cdata );
                            }

                         }
                         else if ( xtypes[colno] == SPICE_DP )
                         {
                            ekgd_c ( colno, row, 1, &ddata, &null, &found );

                            if ( null )
                            {
                               printf( "<Null>\n" );
                            }
                            else
                            {
                               printf( "%f\n", ddata );
                            }

                         }
                         else if ( xtypes[colno] == SPICE_INT )
                         {
                            ekgi_c ( colno, row, 1, &idata, &null, &found );

                            if ( null )
                            {
                               printf( "<Null>\n" );
                            }
                            else
                            {
                               printf( "%d\n", idata );
                            }

                         }
                         else
                         {

                            /.
                            The item is a time value.  Convert it
                            to UTC for output.
                            ./
                            ekgd_c ( colno, row, 1, &tdata, &null, &found );

                            if ( null )
                            {
                               printf( "<Null>\n" );
                            }
                            else
                            {
                               et2utc_c ( tdata, "C", 3, TIMLEN, utcstr );
                               printf( "%s\n", utcstr );
                            }

                         }

                         /.
                         We're done with the column having index `colno'.
                         ./
                      }

                      /.
                      We're done with the row having index `row'.
                      ./
                   }

                   /.
                   We either processed the query or had an error.
                   ./
                }

                /.
                We either parsed the SELECT clause or had an error.
                ./
             }

             return ( 0 );
          }

          When this program was executed on a Mac/Intel/cc/64-bit
          platform, the output was:

          ROW =  0
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25837050
            VIKING_SEDR_DATA.IMAGE_ID      : 168C09
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 119.880000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 16 16:50:55.925

          ROW =  1
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25837051
            VIKING_SEDR_DATA.IMAGE_ID      : 168C10
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 119.270000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 16 16:51:00.269

          ROW =  2
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25840344
            VIKING_SEDR_DATA.IMAGE_ID      : 168C11
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 119.880000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 16 20:56:53.051

          ROW =  3
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25840345
            VIKING_SEDR_DATA.IMAGE_ID      : 168C12
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 119.270000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 16 20:56:57.395

          ROW =  4
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25843638
            VIKING_SEDR_DATA.IMAGE_ID      : 169C01
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 119.880000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 17 01:02:50.177

          ROW =  5
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25843639
            VIKING_SEDR_DATA.IMAGE_ID      : 169C02
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 119.270000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 17 01:02:54.521

          ROW =  6
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25846934
            VIKING_SEDR_DATA.IMAGE_ID      : 169C03
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 120.140000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 17 05:08:56.263

          ROW =  7
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25846935
            VIKING_SEDR_DATA.IMAGE_ID      : 169C04
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 119.520000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 17 05:09:00.607

          ROW =  8
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25848026
            VIKING_SEDR_DATA.IMAGE_ID      : 169C05
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 120.140000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 17 06:30:28.424

          ROW =  9
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25848030
            VIKING_SEDR_DATA.IMAGE_ID      : 169C09
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 120.140000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 17 06:30:46.174

          ROW =  10
            VIKING_SEDR_DATA.IMAGE_NUMBER  : 25848032
            VIKING_SEDR_DATA.IMAGE_ID      : 169C11
            VIKING_SEDR_DATA.PLATFORM_CLOCK: 120.140000
            VIKING_SEDR_DATA.IMAGE_TIME    : 1976 JUN 17 06:30:55.168
#### Restrictions
       None.
#### Literature_References
       None.
#### Author_and_Institution
       N.J. Bachman        (JPL)
       J. Diaz del Rio     (ODC Space)
       E.D. Wright         (JPL)
#### Version
       -CSPICE Version 1.1.2, 02-AUG-2021 (JDR)

           Edited the header to comply with NAIF standard. Added
           complete code examples.

       -CSPICE Version 1.1.1, 09-FEB-2003 (EDW)

           Minor edit to correct typo in header.

       -CSPICE Version 1.1.0, 09-JUL-1998 (NJB)

           Bug fix: now uses local logical variable to capture the
           error flag value returned by the underlying f2c'd routine.

       -CSPICE Version 1.0.0, 27-MAR-1998 (NJB)

           Based on SPICELIB Version 1.1.0, 07-JUL-1996 (NJB)
#### Index_Entries
       fetch element from integer column entry
#### Link to routine ekgi_c source file ekgi_c.c

    Fri Dec 31 18:41:05 2021