Reference Manual of the nadc-tools API and Libraries - SRON

2.3.1 ENVI RD DSD
Identifier ENVI RD DSD
Purpose read Data Set Description records of the Envisat PDS product
Usage nr dsd = ENVI RD DSD( fd, mph, &dsd );
Input FILE *fd : (open) stream pointer
struct mph envi mph : main product header (A.5)
Output struct dsd envi *dsd : structure for the DSD (A.6)
Returns number of DSD read (unsigned int)
error status passed by global variable “nadc stat”
Comment none
2.3.2 ENVI WR DSD
Identifier ENVI WR DSD
Purpose write Data Set Description records of the Envisat PDS product
Usage ENVI WR DSD( fd, num dsd, dsd );
Input FILE *fd : (open) stream pointer
unsigned int num dsd : number of DSD records
struct dsd envi *dsd : structure for the DSD (A.6)
Returns nothing
Comment none
2.4 ENVI RD PDS INFO
Identifier ENVI RD PDS INFO
Author R.M. van Hees
Language ANSI C
Purpose read one SCIAMACHY header-line,
split line in keyword and keyvalue
Usage nbyte = ENVI RD PDS INFO( fd, keyword, keyvalue );
Input FILE *fd : open stream pointer
Output char *keyword : string with keyword name
char *keyvalue : string with keyword value
Returns number of bytes read (unsigned int)
Comment None
2.5 ENVI PDS MPH
Identifier ENVI PDS MPH
Author R.M. van Hees
Language ANSI C
Purpose read/write Main Product Header of the Envisat PDS product
Comment contains ENVI RD MPH and ENVI WR MPH
24