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//Run this script on a graph without data labels
//
if(exist(%H)!=3) { type -b Active window is not a graph.; Return; }
gname$=%H;      //Graph name
nout=0;         //Total #data points 
window -t wks;  //Make a worksheet
worksheet -a 1; //Add a col to have c3 columns
range rrx=col(1), rry=col(2), rrL=col(3); //Range of rach column
window -ch 1;           //Hide the worksheet
window -a %(gname$);    //Reactivate the graph
doc -e DY {             //Loop over each plot in the graph
  range rpy=%C;         //Y dataset of the plot
  dataset rpx=xof(rpy); //X dataset of the plot
  string colname$ = "";
  getn (Label Column for %C is:) colname$:@BBColumn (Choose Label Column);  //Select label dataset
  range rpL=%(colname$); //Label dataset
  nrpy=rpy.getSize();     //# of rows of the plot
  for(jj=1; jj<=nrpy; jj++) { //Loop over plot dataset
    nout++;              //Index of the point
    rry[nout]=rpy[jj];   //Y coordinate of the point
    rrx[nout]=rpx[jj];   //X coordinate of the point
    rrL[nout]$=rpL[jj]$; //Label of the point
  }
}
layer -i201 rry;  //Add a scatter plot to the graph
set rry -z 0;     //Make the scatter invisible (symbol size 0)
set rry -q 1;     //Set the data label ON
set rry -qm 8;    //Label dataset is col(C)
//
//You should turn ON "Auto Reposition to Avoid Overlapping" manually.
//////////////////////////////////////////////////////////////