NAME

       pdstemplates.c - Functions for PDS template information.

SYNOPSIS

       #include <stdlib.h>
       #include 'grib2.h'
       #include 'pdstemplates.h'

   Functions
       gtemplate * extpdstemplate (g2int number, g2int *list)
           This subroutine generates the remaining octet map for a given Product Definition
           Template, if required.
       g2int getpdsindex (g2int number)
           This function returns the index of specified Product Definition Template 4.NN
           (NN=number) in array templates.
       gtemplate * getpdstemplate (g2int number)
           This subroutine returns PDS template information for a specified Product Definition
           Template 4.NN.

Detailed Description

       Functions for PDS template information.

       PROGRAM HISTORY LOG:

       • 2001-06-28 Gilbert

       • 2009-01-14 Vuong Changed structure name template to gtemplate

       • 2009-12-15 Vuong Added Product Definition Template 4.31 Added Product Definition
         Template 4.15

       • 2010-08-03 Vuong Added Product Definition Template 4.42 and 4.43

       • 2010-12-08 Vuong Corrected Product Definition Template 4.42 and 4.43

       • 2012-03-29 Vuong Added Templates 4.44,4.45,4.46,4.47,4.48,4.50, 4.51,4.91,4.32 and 4.52

       • 2013-08-05 Vuong Corrected 4.91 and added Templates 4.33,4.34,4.53,4.54

       • 2015-10-07 Vuong Added Templates 4.57, 4.60, 4.61 and allow a forecast time to be
         negative

       Author
           Stephen Gilbert

       Date
           2001-06-28

       Definition in file pdstemplates.c.

Function Documentation

   gtemplate* extpdstemplate (g2int number, g2int * list)
       This subroutine generates the remaining octet map for a given Product Definition Template,
       if required. Some Templates can vary depending on data values given in an earlier part of
       the Template, and it is necessary to know some of the earlier entry values to generate the
       full octet map of the Template.

       Parameters
           number NN, indicating the number of the Product Definition Template 4.NN that is being
           requested.
           list The list of values for each entry in the the Product Definition Template 4.NN.

       Returns
           Pointer to the returned template struct. Returns NULL pointer, if template not found.

       Author
           Stephen Gilbert

       Date
           2000-05-11

       Definition at line 108 of file pdstemplates.c.

       References getpdsindex(), and getpdstemplate().

       Referenced by g2_addfield(), and g2_unpack4().

   g2int getpdsindex (g2int number)
       This function returns the index of specified Product Definition Template 4.NN (NN=number)
       in array templates.

       Parameters
           number NN, indicating the number of the Product Definition Template 4.NN that is being
           requested.

       Returns
           Index of PDT 4.NN in array templates, if template exists. -1, otherwise.

       Author
           Stephen Gilbert

       Date
           2001-06-28

       Definition at line 36 of file pdstemplates.c.

       References MAXPDSTEMP, and templatespds.

       Referenced by extpdstemplate(), and getpdstemplate().

   gtemplate* getpdstemplate (g2int number)
       This subroutine returns PDS template information for a specified Product Definition
       Template 4.NN. The number of entries in the template is returned along with a map of the
       number of octets occupied by each entry. Also, a flag is returned to indicate whether the
       template would need to be extended.

       Parameters
           number NN, indicating the number of the Product Definition Template 4.NN that is being
           requested.

       Returns
           Pointer to the returned template struct. Returns NULL pointer, if template not found.

       Author
           Stephen Gilbert

       Date
           2000-05-11

       Definition at line 65 of file pdstemplates.c.

       References getpdsindex(), and templatespds.

       Referenced by extpdstemplate(), g2_addfield(), and g2_unpack4().

Author

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