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MathGroup Archive 2007

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Re: Reading Coordinates from Plot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg80164] Re: Reading Coordinates from Plot
  • From: jrc <jrchaff at mcn.net>
  • Date: Tue, 14 Aug 2007 06:58:09 -0400 (EDT)
  • References: <f9mqlv$ri0$1@smc.vnet.net>

Thanks to all those who replied - especially with code snippets.
I apologize for not reading/searching archives - hands slapped
appropriately.
jrc
------------------------
jrc wrote:
> 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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