SGS_BZNDC

Set a base zone extent in NDC

ACTION:
Sets the extent in NDC of a base zone.
CALL:
SGS_BZNDC(x1,x2,y1,y2,pos,istat)
INPUT PARAMETERS:

x1,x2,y1,y2

R

Extent of zone in normalised device coordinates.

pos

C2

Determines the positioning of the zone on the display surface. The first character is ‘B’, ‘C’ or ‘T’ (standing for bottom, centre and top), and the second is ‘L’, ‘C’ or ‘R’ (standing for left, centre and right).

OUTPUT PARAMETERS:

istat

I

Status.

GKS EFFECT:
The viewport and workstation window are set to the requested NDC values, and the workstation viewport set to the largest rectangle of the same aspect ratio that will fit on the display surface, and positioned as specified.