[svn-r12009] Purpose:

add examples

Description:
add examples for HL (image, table and dimension scales)

Solution:

Platforms tested:
linux

Misc. update:

1 files changed, 141 insertions, 0 deletions

diff --git a/hl/examples/ex_table_09.c b/hl/examples/ex_table_09.c
new file mode 100644
index 0000000..164f6aa
--- /dev/null
+++ b/hl/examples/ex_table_09.c
@@ -0,0 +1,141 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *
+ * of the source code distribution tree; Copyright.html can be found at the  *
+ * root level of an installed copy of the electronic HDF5 document set and   *
+ * is linked from the top-level documents page.  It can also be found at     *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have     *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include "H5TB.h"
+#include <stdlib.h>
+
+/*-------------------------------------------------------------------------
+ * Table API example
+ *
+ * H5TBadd_records_from
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#define NFIELDS      (hsize_t)  5
+#define NRECORDS     (hsize_t)  8
+#define NRECORDS_INS (hsize_t)  2
+#define TABLE1_NAME             "table1"
+#define TABLE2_NAME             "table2"
+
+int main( void )
+{
+ typedef struct Particle 
+ {
+  char   name[16];
+  int    lati;
+  int    longi;
+  float  pressure;
+  double temperature; 
+ } Particle;
+
+ Particle  dst_buf[ NRECORDS + NRECORDS_INS ];
+
+ /* Calculate the size and the offsets of our struct members in memory */
+ size_t dst_size =  sizeof( Particle );
+ size_t dst_offset[NFIELDS] = { HOFFSET( Particle, name ),
+                                HOFFSET( Particle, lati ),
+                                HOFFSET( Particle, longi ),
+                                HOFFSET( Particle, pressure ),
+                                HOFFSET( Particle, temperature )};
+ size_t dst_sizes[NFIELDS] = { sizeof( dst_buf[0].name),
+                               sizeof( dst_buf[0].lati),
+                               sizeof( dst_buf[0].longi),
+                               sizeof( dst_buf[0].pressure),
+                               sizeof( dst_buf[0].temperature)};
+
+ /* Define an array of Particles */
+ Particle  p_data[NRECORDS] = { 
+ {"zero",0,0, 0.0f, 0.0},
+ {"one",10,10, 1.0f, 10.0},
+ {"two",  20,20, 2.0f, 20.0},
+ {"three",30,30, 3.0f, 30.0},
+ {"four", 40,40, 4.0f, 40.0},
+ {"five", 50,50, 5.0f, 50.0},
+ {"six",  60,60, 6.0f, 60.0},
+ {"seven",70,70, 7.0f, 70.0}
+  };
+
+ /* Define field information */
+ const char *field_names[NFIELDS]  = 
+ { "Name","Latitude", "Longitude", "Pressure", "Temperature" };
+ hid_t      field_type[NFIELDS];
+ hid_t      string_type;
+ hid_t      file_id;
+ hsize_t    chunk_size = 10;
+ int        compress  = 0;
+ Particle   fill_data[1] = 
+ { {"no data",-1,-1, -99.0f, -99.0} };   /* Fill value particle */ 
+ hsize_t    start1;                      /* Record to start reading from 1st table */
+ hsize_t    nrecords;                    /* Number of records to insert */
+ hsize_t    start2;                      /* Record to start writing in 2nd table */
+ herr_t     status;
+ int        i;
+ hsize_t    nfields_out;
+ hsize_t    nrecords_out;
+ 
+ /* Initialize the field field_type */
+ string_type = H5Tcopy( H5T_C_S1 );
+ H5Tset_size( string_type, 16 );
+ field_type[0] = string_type;
+ field_type[1] = H5T_NATIVE_INT;
+ field_type[2] = H5T_NATIVE_INT;
+ field_type[3] = H5T_NATIVE_FLOAT;
+ field_type[4] = H5T_NATIVE_DOUBLE;
+ 
+ /* Create a new file using default properties. */
+ file_id = H5Fcreate( "ex_table_09.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT );
+  
+ /* Make 2 tables: TABLE2_NAME is empty  */
+ status=H5TBmake_table( "Table Title",file_id,TABLE1_NAME,NFIELDS,NRECORDS, 
+                         dst_size,field_names, dst_offset, field_type, 
+                         chunk_size, fill_data, compress, p_data  );
+ 
+ status=H5TBmake_table( "Table Title",file_id,TABLE2_NAME,NFIELDS,NRECORDS, 
+                         dst_size,field_names, dst_offset, field_type, 
+                         chunk_size, fill_data, compress, NULL  );
+ 
+ 
+ /* Add 2 records from TABLE1_NAME to TABLE2_NAME  */
+ start1    = 3;      
+ nrecords  = NRECORDS_INS; 
+ start2    = 6;      
+ status=H5TBadd_records_from( file_id, TABLE1_NAME, start1, nrecords, TABLE2_NAME, start2 );
+
+ /* read TABLE2_NAME: it should have 2 more records now */
+ status=H5TBread_table( file_id, TABLE2_NAME, dst_size, dst_offset, dst_sizes, dst_buf );
+
+ /* Get table info  */
+ status=H5TBget_table_info (file_id,TABLE2_NAME, &nfields_out, &nrecords_out );
+
+ /* print */
+ printf ("Table has %d fields and %d records\n",(int)nfields_out,(int)nrecords_out);
+  
+ /* print it by rows */
+ for (i=0; i<nrecords_out; i++) {
+  printf ("%-5s %-5d %-5d %-5f %-5f", 
+   dst_buf[i].name,
+   dst_buf[i].lati,
+   dst_buf[i].longi,
+   dst_buf[i].pressure,
+   dst_buf[i].temperature);
+  printf ("\n");
+ }
+ 
+ /* Close the file. */
+ H5Fclose( file_id );
+ 
+ return 0;
+}
+