Re: Re: 6.0 Get Graphics Coordinates...

*To*: mathgroup at smc.vnet.net*Subject*: [mg77817] Re: [mg77755] Re: 6.0 Get Graphics Coordinates...*From*: Murray Eisenberg <murray at math.umass.edu>*Date*: Sun, 17 Jun 2007 06:11:33 -0400 (EDT)*Organization*: Mathematics & Statistics, Univ. of Mass./Amherst*References*: <f4on38$7sg$1@smc.vnet.net> <200706140911.FAA05973@smc.vnet.net> <f4tm2d$ira$1@smc.vnet.net> <200706160724.DAA25722@smc.vnet.net>*Reply-to*: murray at math.umass.edu

That use of Tooltip merely displays the coordinates of the point. It does not save it in a buffer from which one can later paste it. David wrote: > Murray Eisenberg wrote: >> Useless?? Hardly! Surely just doing Plot[...] and then Ctrl-clicking >> is a lot easier for a beginner (e.g., a student using Mathematica) than >> to deal with a Dynamic object. >> >> On the other hand, and apart from the issue of what to do with >> Ctrl-click when the graphics object is dynamically generated, there >> would seem to be a design issue: Now, in 6.0, Ctrl-mouse-button-down is >> the start of a zoom-in/zoom-out for a 3D graphic. >> >> Jens-Peer Kuska wrote: >>> Hi, >>> >>> it has been droped because it is useless try >>> >>> gr = Plot[Sin[x^2], {x, 0, 2 Pi}]; >>> >>> and >>> >>> DynamicModule[{pnt = {0, 0}}, >>> gr /. Graphics[gg_, opts___] :> >>> Graphics[Append[gg, Tooltip[Locator[Dynamic@ pnt], Dynamic@ pnt]], >>> Prepend[Prepend[{opts}, PlotLabel -> Dynamic[pnt]], >>> AxesLabel -> {Dynamic[First[pnt]], Dynamic[Last[pnt]]}]] >>> ] >>> >>> and >>> >>> DynamicModule[{pts = {{0, 1/2}, {2, 1/2}}}, LocatorPane[Dynamic[pts], >>> gr, LocatorAutoCreate -> True]] >>> >>> Alt-Mouse click will add points .. >>> >>> Regards >>> Jens >>> >>> roby.nowak at gmail.com wrote: >>>> hello, what happened to: >>>> 5.2 Get Graphics Coordinates... >>>> >>>> in version 5.2 you could click inside a graphic and when holding down >>>> the <Ctrl> key the coordinates of the cursor within the graphics would >>>> be displayed. you could then click with the mouse and every clicked >>>> position got saved in a buffer. then you could copy and paste the >>>> saved coordinates as a list of number pairs. >>>> >>>> regards robert >>>> >>>> > > How about the following simple alternative? It closely approximates the > display of points available in pre-6.0, but only shows actual points on > the curve (a benefit for me). > > Plot[Tooltip[Sin[x], Dynamic[MousePosition["Graphics"]]], {x, 0, 10}] > > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305

**Follow-Ups**:**RE: Re: Re: 6.0 Get Graphics Coordinates...***From:*"Ingolf Dahl" <ingolf.dahl@telia.com>

**References**:**Re: 6.0 Get Graphics Coordinates...***From:*Jens-Peer Kuska <kuska@informatik.uni-leipzig.de>

**Re: 6.0 Get Graphics Coordinates...***From:*David <habud@hotmail.com>