Man page - compack(3)
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apt-get install libg2c-dev
Manual
compack.c
NAMESYNOPSIS
Functions
Detailed Description
Function Documentation
void compack (float * fld, g2int ndpts, g2int idrsnum, g2int * idrstmpl,unsigned char * cpack, g2int * lcpack)
Author
NAME
compack.c - Pack a data field using a complex packing algorithm.
SYNOPSIS
#include
’grib2_int.h’
#include <math.h>
#include <stdlib.h>
Functions
void
compack
(float *fld,
g2int
ndpts,
g2int
idrsnum,
g2int
*idrstmpl, unsigned char *cpack,
g2int
*lcpack)
Pack a data field using a complex packing algorithm.
Detailed Description
Pack a data field using a complex packing algorithm.
Author
Stephen Gilbert
Date
2002-11-07
Definition in file compack.c .
Function Documentation
void compack (float * fld, g2int ndpts, g2int idrsnum, g2int * idrstmpl,unsigned char * cpack, g2int * lcpack)
Pack a data field using a complex packing algorithm. This function 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.
Parameters
fld
Contains the data
values to pack.
ndpts
The number of data values in array fld.
idrsnum
Data Representation Template number. Must equal
2 or 3.
idrstmpl
Contains the array of values for Data
Representation Template 5.2 or 5.3.
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0 Reference value - ignored on input, set my compack() . |
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1 Binary Scale Factor |
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2 Decimal Scale Factor |
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6 Missing value management |
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7 Primary missing value |
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8 Secondary missing value |
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16 Order of Spatial Differencing (1 or 2) |
cpack
The packed data field.
lcpack
length of packed field cpack.
Author
Stephen Gilbert
Date
2002-11-07
Definition at line 42 of file compack.c .
References ALOG2 , int_power() , mkieee() , pack_gp() , sbit() , and sbits() .
Referenced by cmplxpack() .
Author
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