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MathGroup Archive 2007

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Reading Coordinates from Plot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg80085] Reading Coordinates from Plot
  • From: jrc <jrchaff at mcn.net>
  • Date: Sun, 12 Aug 2007 07:15:58 -0400 (EDT)

Hello,

Apparently v6.0.1 no longer has the mouse functionality that
enables one to easily read coordinates from a plot. In v5.2
and before (as mentioned in several books such as Navigator),
one could select the plot by clicking on it, then hold down
CTRL key and move the mouse to read coordinates. In v6.0.1
this does not work. Nor can I find any equivalently convenient
functionality.

This is one example, by the way, of the deficiencies of the new
"Help" system. It seems to provide an entry only into a list of
Mathematica symbols, with very little guidance as to what
functionality is available. Searching under many combinations
of 'mouse', 'plot', and even 'read coordinates', I see nothing
useful except oblique references to the new 'manipulate' function.

Looking under 'manipulate' documentation brings one to a complicated,
new system, which takes time to digest. In a short look (half hour)
I find nothing relevant to reading coordinates from a plot. The
Dynamic MousePosition function seems to get partway there, but seems
only to output screen coordinates - not very useful. Is it really
necessary to go to this obtuse new system to regain the easy reading
of coordinates via mouse???

John Chaffer


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