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MathGroup Archive 1999

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Re: V4.0 -- screen graphics update problems

  • To: mathgroup at smc.vnet.net
  • Subject: [mg18097] Re: V4.0 -- screen graphics update problems
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Thu, 17 Jun 1999 12:26:36 -0400
  • Organization: Universitaet Leipzig
  • References: <7k4s45$d79@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi David,

has you Mathematica 3.0 still installed ? You should look
to the fonts directory of Windows. Mathematica may install
a second copy of some of the math fonts "Math1 Bold" instead
"Math1-Bold". I have had similar problems until I removed my
Mathematica 3.0 and the old Trurtype fonts. Don't ask me why.

Regards
  Jens

David Keith wrote:
> 
> I am running V4.0 on a PII/400 NT4.0/SP3 with 128MBytes RAM.
> 
> With V3.0.1, once graphics had been rendered to the screen it was very easy
> to scroll up and down. For example, by grabbing the slider in the scroll bar
> I could scan rapidly up and down a notebook to review my work.
> 
> With 4.0, the scrolling frequently pauses, sticking the screen for a
> fraction of a second while a graphics which was previously off screen gets
> re-drawn rather than just sliding into view. Often it appears to display the
> graphics in its new screen position before erasing it from the old one. (I
> am not saying it is being re-rendered --- I don't really know what's going
> on.) This makes the process of reviewing the graphs in a notebook very
> clumsy.
> 
> Also. I have noticed that with output cells displaying expressions in a
> typeset form, a part of the of the cell -- usually the bottom part --
> sometimes disappears as though a part of the screen bitmap was not updated
> properly. Sometimes it reappears when it's scrolled off the display and then
> back on, but most of the time the input needs to be re-evaluated to correct
> the problem.
> 
> Any ideas?


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