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MathGroup Archive 2007

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Plotting Points with Labels

  • To: mathgroup at smc.vnet.net
  • Subject: [mg83399] Plotting Points with Labels
  • From: JOHN ERB <john_c_erb at prodigy.net>
  • Date: Mon, 19 Nov 2007 06:19:11 -0500 (EST)

The code below plots "pntdata" labeling the points, where the data
  represents the x and y coordinates, and the value at that point
  {{x1,y1,value1}, ... , {xN,yN,valueN}};
   
  The labels are shifted to the right (+x direction) of the respective points
  by the value of "shiftText."
   
  Is there a better (or more succinct) way of doing this?
   
  pntdata={{0,0,100.01},{2,2,350.4},{4,5,380.5}};
newdata=Map[({{#[[1]],#[[2]]},{Round[#[[3]]]}})&,pntdata];
shiftText=0.8;
Graphics[{Red,PointSize[0.02],
         Map[{Point[#[[1]]],Style[Text[StringJoin["dose = ",ToString[#[[2,1]]]," cGy"],
         {#[[1,1]]+shiftText,#[[1,2]]}],Bold,12,Black]}&,newdata]},Frame->True]
   
  Thanks,
  John C. Erb


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