The Graphics Control Block Interface

The GCB routine provide services to ASTERIX software to manipulate the components of GCBs, and to read and write them to files. A full description of the package can be found here.

File access

gcb_fload
gcb_fsave

Setting attributes

gcb_set1c
gcb_set1i
gcb_set1l
gcb_set1r
gcb_setc
gcb_seti
gcb_setl
gcb_setr

Retrieving attributes

gcb_get1c
gcb_get1i
gcb_get1l
gcb_get1r
gcb_getc
gcb_geti
gcb_getl
gcb_getr

Cancelling attributes

gcb_can
gcb_can1

HDS Specific Routines

gcb1_csave
gcb1_load
gcb1_save

FITS Specific Routines

gcb2_csave
gcb2_load
gcb2_save

GCB Internal Routines

gcb0_blk
gcb0_casize
gcb0_init