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From: kchang@ncsa.uiuc.edu (Kenneth Chang)
Newsgroups: comp.sys.mac.apps
Subject: Re: DeltaGraph stinks (was Re: Cricket Graph Replacement)
Message-ID: <1991May11.023346.27723@ncsa.uiuc.edu>
Date: 11 May 91 02:33:46 GMT
References: <1991May9.190850.25384@ux1.cso.uiuc.edu> <5244.282a6b42@miavx1.acs.muohio.edu> <1991May10.201456.13660@uokmax.ecn.uoknor.edu>
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Organization: Nat'l Ctr for Supercomp App (NCSA) @ University of Illinois
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Originator: kchang@pluto

In article <1991May10.201456.13660@uokmax.ecn.uoknor.edu> rob@uokmax.ecn.uoknor.edu (Robert K Shull) writes:
>In article <5244.282a6b42@miavx1.acs.muohio.edu> jahayes@miavx1.acs.muohio.edu writes:
[problems with Deltagraph -- printing, slow, quitting unexpectedly]

>What version of the software are you using? We've used DeltaGraph 1.5 on II's,
>IIx's, and IIsi's and have seen none of the problems you describe. No crashes,
>no (unexplainable) out of memory conditions, no problems with color.
>Things print just fine to  our LaserWriters, DeskWriter, and PaintWriter.
>The only bug we've seen so far is that DG botches rotated text. Rotated text
>prints at 72 dpi regardless of the destination printer. Fix for this is to
>export as PICT and print in MacDraw II. And I agree, the inability to open
>more than one file is an extreme annoyance. As is the (apparent) inability to
>do multiple imports into the same page. BTW, we're running under 6.0.7
>with a wide variety of INIT's.

How large are the data sets you are working with? Deltagraph's speed and
reliability nosedive when you start trying to plot tens
of thousands of points. The other problem with Deltagraph is that it
uses an inefficient file format. It's not too hard to get files over
a meg in size.
-- 
  Kenneth Chang           | National Center for Supercomputing Applications
  kchang@ncsa.uiuc.edu    |                 Consulting Office/(217)244-1144
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