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From: fritz@hpfclp.UUCP
Newsgroups: net.micro.hp
Subject: Re: HPUX series 200 help needed
Message-ID: <21500001@hpfclp.UUCP>
Date: Mon, 17-Jun-85 21:22:00 EDT
Article-I.D.: hpfclp.21500001
Posted: Mon Jun 17 21:22:00 1985
Date-Received: Mon, 10-Jun-85 21:59:30 EDT
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Nf-ID: #R:uwvax:-20600:hpfclp:21500001:37777777600:930
Nf-From: hpfclp!fritz    Jun  4 17:22:00 1985

I might be able to answer part of your question.

ZDINT is, indeed, documented -- but not in the same manual as most of
the rest of the graphics routines.  This is because the DGL graphics
library is supported on several HP operating systems, and they all have
different means of talking to devices.  ZDINT and other system-specific
routines are documented in a separate manual, the "Device-independent
Graphics Library:  Supplement for HP-UX Systems" (HP Part# 97084-90001).
This is a fairly slim manual which may have gone unnoticed in the stack
of documentation.

According to this manual, an error return of 2 means the requested 
graphics display device is not available.  Check that your device file
is created correctly, the name is specified correctly (it's a bit clumsy
since they used FORTRAN "string" conventions), and that the graphics device
is OK.

Good luck!

Gary Fritz
Hewlett Packard
{ihnp4,hplabs}!hpfcla!fritz