misspack.c File Reference

Pack up a data field using a complex packing algorithm as defined in the GRIB2 documention. More...

#include <stdlib.h>
#include <math.h>
#include "grib2.h"

Go to the source code of this file.

Functions
void	misspack (g2float *fld, g2int ndpts, g2int idrsnum, g2int *idrstmpl, unsigned char *cpack, g2int *lcpack)
	This subroutine packs up a data field using a complex packing algorithm as defined in the GRIB2 documention. More...

Detailed Description

Pack up a data field using a complex packing algorithm as defined in the GRIB2 documention.

Author

Stephen Gilbert

Date

2000-06-21

Definition in file misspack.c.

Function Documentation

misspack()

void misspack	(	g2float *	fld,
		g2int	ndpts,
		g2int	idrsnum,
		g2int *	idrstmpl,
		unsigned char *	cpack,
		g2int *	lcpack
	)

This subroutine packs up a data field using a complex packing algorithm as defined in the GRIB2 documention.

It supports GRIB2 complex packing templates with or without spatial differences (i.e. DRTs 5.2 and 5.3). It also fills in GRIB2 Data Representation Template 5.2 or Template 5.3 with the appropriate values. This version assumes that Missing Value Management is being used and that 1 or 2 missing values appear in the data.

Parameters

fld	Contains the data values to pack
ndpts	The number of data values in array fld
idrsnum	Data Representation Template number 5.N Must equal 2 or 3.
idrstmpl	Contains the array of values for Data Representation Template 5.2 or 5.3. 0 Reference value - ignored on input, set by misspack routine. 1 Binary Scale Factor - used on input. 2 Decimal Scale Factor- used on input. 6 Missing value management. 7 Primary missing value. 8 Secondary missing value. 16 Order of Spatial Differencing (1 or 2).
cpack	The packed data field (character*1 array).
lcpack	length of packed field cpack.

Author

Stephen Gilbert

Date

2000-06-21

Definition at line 43 of file misspack.c.

References int_power(), mkieee(), pack_gp(), rdieee(), sbit(), and sbits().

Referenced by cmplxpack().