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Re: Magnification?

  • To: mathgroup at
  • Subject: [mg85998] Re: Magnification?
  • From: Szabolcs Horvát <szhorvat at>
  • Date: Sat, 1 Mar 2008 04:40:50 -0500 (EST)
  • Organization: University of Bergen
  • References: <fq8qps$j88$>

AES wrote:
> 1)  Changing the magnification value in the small drop-down menu at the 
> bottom left of a notebook window obviously magnifies the on-screen 
> display (but presumably NOT the printed page contents resulting from a 
> Print command?)
> For example, select all the cells in a NB; set this magnification number 
> to, say, 150%; the whole notebook expands as above.
> 2)  Now, type the word Magnification into a new Input cell, then select 
> *anything* else in the NB -- another cell, a word in another cell, all 
> the cells in the NB; then again change the magnification value in the 
> little bottom drop-down menu:
> **Only the word Magnification in that one input cell changes (even 
> though it's no longer selected).  Nothing else -- including any other 
> selection you make -- changes size.**
> In fact, you can run the word Magnification way up, or way down, in size 
> this way.  The value in the little menu and the size of the word 
> Magnification in the one NB cell change to various values; the rest of 
> notebook doesn't change at all.
> At least that's what I'm seeing, right now . . . 
> 3)  OK, now shrink the Magnification word to 50% as above, leaving the 
> rest of the NB at, say, 150% (though the little menu says 50%).
> Then select all cells; go to the Format >> Magnification menu; and 
> select various values, say 100%, then 200%, etc.
> **The entire notebook changes to those new sizes -- including the word 
> Magnification, which jumps into sync with rest of notebook and follows 
> along through all size changes.**
> 4)  Having done the preceding, leave the display at some new size; 
> select all cells; then return to the little drop-down menu at the bottom 
> of the NB window and try to further change NB magnification from there, 
> as you had done earlier.   Result:  
> **The little magnification menu has now apparently ceased to function AT 
> ALL: Neither the entire NB nor the word Magnification any longer change 
> size (though the number in the menu field changes value appropriately).**
> -----
> At this point, I give up . . .

I cannot reproduce the bugs you describe above.

The confusion probably arises from the fact that the magnification menu 
in the bottom right corner and the Magnification entry in the Format 
menu are two different things, and serve different purposes.

Format -> Magnification is used for changing the formatting of the 
notebook.  It only affects those cells/words which are selected, and the 
change is permanent.

The little magnification menu in the bottom right corner does *not* 
change the formatting.  It simply zooms in or out the document.  Those 
of use who do not have perfect vision and good quality computer screens 
appreciate this little menu (that does not change formatting) very much.

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