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MathGroup Archive 2004

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Re: Very basic question: Zoom into a 2-D plot with the mouse

  • To: mathgroup at smc.vnet.net
  • Subject: [mg51406] Re: Very basic question: Zoom into a 2-D plot with the mouse
  • From: AES/newspost <siegman at stanford.edu>
  • Date: Sat, 16 Oct 2004 04:20:40 -0400 (EDT)
  • References: <ck87ph$9lv$1@smc.vnet.net> <200410141037.GAA14928@smc.vnet.net> <cknteh$5li$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

In article <cknteh$5li$1 at smc.vnet.net>,
 Murray Eisenberg <murray at math.umass.edu> wrote:

> ImageSize does not change the PlotRange, hence does NOT have the effect 
> of zooming in (or out) of a graphic.  When people speak of zoom in or 
> zoom out, they ordinarily mean that the physical image size remains the 
> same.

Huh?  I think there's a semantics problem here.  If I replot a plot with 
ImageSize tripled, the image size _on the screen_ is three times larger, 
which is certainly what I think of as the "effect of zooming" in an 
on-screen graphic, or as the "physical image size" of an on-screen 
graphic.


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