The routine names in this chapter end with the letter “P” to indicate line printer plotting and every routine starts printing at the beginning of a new page.
Depending on the nature of plots, some routines allow the user to change page width and/or length. This capability is specified in each routine and, if allowed, can be done by calling the routine PGOPT (see Chapter 19, Utilities;) in advance. To change the page width, the user should make the following call to PGOPT:
CALL PGOPT(−1, IPAGEW)
where IPAGEW indicates the page width in columns. To change the page length, the user should make the following call to PGOPT:
CALL PGOPT(−2, IPAGEL)
where IPAGEL indicates the page length in rows. See the PGOPT document for more information.
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