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MathGroup Archive 2003

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Re: Re: Cursors in graphics

  • To: mathgroup at smc.vnet.net
  • Subject: [mg39585] Re: [mg39578] Re: Cursors in graphics
  • From: "Y.A.Tesiram" <yas at pcomm.hfi.unimelb.edu.au>
  • Date: Tue, 25 Feb 2003 02:55:08 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Thank you Bill. Thats terrific. Just tried it and the numbers correspond
to the graph. The next obvious question is how do I capture those
co-ordinates?

Yas


On Mon, 24 Feb 2003, Bill Rowe wrote:

> On 2/23/03 at 4:59 AM, yas at pcomm.hfi.unimelb.edu.au (Y.A.Tesiram)
> wrote:
>
> >I want to add cross-hairs to graphics so that I can navigate along a
> >plot which is the result of say MultipleListPlot or ListPlot.
> >Currently, I have just made functions that let me replot my plots
> >close to the regions I'm interested in and I "guesstimate" the
> >coordinates by drawing a fine grid.
>
> It sounds like what you are trying to do is determine the coordinates of a point on a graph. If so, try the following (with Mathematica running on a Mac):
>
> Select the plot
> Hold down the cmd key and move the cursor over the plot.
>
> You will see the cursor change into cross hairs and the coordinates will appear at the bottom of the window on the left hand side.
>
> There is a similar proceedure for Mathematica running under Windows, but I don't recall the key that needs to be held down. It should be either the cntrol, alt or Windows key.
>
>



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