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. > >