GCB_GETR

Get scalar REAL graphics attribute value

Invocation

CALL GCB_GETR( NAME, OK, RVAL, STATUS )

Description

Gets scalar REAL graphics attribute value from the current GCB. An attribute may or may not have a current value - OK is set accordingly. If the attribute has no value then RVAL is not altered.

Arguments

• NAME = CHARACTER*(*) (given)
  Name of attribute to be read
• OK = LOGICAL (returned)
  Attribute value is set?
• RVAL = REAL (returned)
  The value of the attribute
• STATUS = INTEGER (given and returned)
  The global status.

References

• GCB Subroutine Guide