Re: LabeledListPlot

*To*: mathgroup at smc.vnet.net*Subject*: [mg96448] Re: LabeledListPlot*From*: TerryH <tlharter at verizon.net>*Date*: Fri, 13 Feb 2009 03:48:32 -0500 (EST)*References*: <gepb26$sgs$1@smc.vnet.net> <gerqib$re2$1@smc.vnet.net> <gmu8s0$gne$1@smc.vnet.net>

Dear Group, I've examined the 2 recent posts by Jens-Peer Kuska and Bob Hanlon. Both approachs work, but it has become clear to me that my question was somewhat misinterpreted regarding the labels for the individual points to be plotted (sorry-my fault). I used the set {"a","b","c",...] to be a generic set for arbitrary text strings, for example, "labelTxt1", "labelTxt2", etc where for one set of data I want the labels to be "1980", "1988", "1997" where these text-year strings can be arbitrary with no pre-established sequence or order implied, and then, another time, I want these labels to be "East","West","North", etc. This would rule out, I think, constructs using FromCharacterCode. I'd also like to be able to incorporate an arbitrary plotting symbol, that I can pick from one of the standard special Character palettes or than can be generated. Didn't there use to be a MakeSymbol built-in command with Ver 5.x? Any extended ideas? TIA .....Terry TerryH wrote: > Hi Groupers: > Last November 2008, I posted the inquiry below and one of the > replies that I got was from Jens (also listed below & it worked great). > > Now I have a related question, which is: Instead of labeling the > individual plotted points with an integer, how can you label the > individual plotted points with textual labels? For example, I want to > label the first plotted point with "a", the second one with "b", the > third with "c", and so on. I've tried using PlotMarkers but that labels > the entire data set and not individual points. The best that I could > come up with is to make each x,y pair into its own list, for example > with 3 points to plot (for the illustration here) > data = {{x1,y1},{x2,y2},{x3,y3}} then feed data[[1]], data[[2]], > data[[3]] into ListPlot, I want to apply the labels {"a","b","c"}. > This works for a Point plotting symbol. However, it feels cumbersome. > > However, I'd really like to use a filled triangle for the plotting > symbol and not the Graphic associated with what > Graphic[Point[{num1,num2}]] gives. The only way I could get this to > work is to generate 2 separate graphics with one (grfA) have the labels > only, and the other (grfB) without labels but with the correct plotting > symbol, and then bring them together using Show[grfA,grfB]. But this > method really seems ackword, so surely there has to be a better way. > I'm using Ver 6.0.3 Any suggestions? > TIA > .......Terry > > > > > Jens-Peer Kuska wrote: >> Hi, >> >> dta = Table[{tmp = Random[], Sin[Pi*tmp]}, {25}] // Sort; >> >> ListPlot[dta] /. >> Point[lst : {{_, _} ..}] :> >> MapIndexed[{Text[#2[[1]], #1, {-1, -1}], Point[#1]} &, lst] >> >> Regards >> Jens >> >> TerryH wrote: >>> Hi Groupers, >>> In Ver 5.2 and earler there was a function called "LabeledListPlot" >>> In Ver 6.0.1 and 6.0.3 of Mathematica, it seems that this function was >>> inadvertently omitted (Hopefully, it will be included in the next >>> update/Version). In the meantime does anyone know of a work-around so >>> that one can produce a Labeled?List Plot in Ver 6.0? TIA >>> .....Terry >>> >

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