// ImageJ 1.53t Linegraph Anlayzer demo

Linegraph_Anlayzer_demo.ijm

// ImageJ 1.53t Linegraph Anlayzer demo

run("Line Graph");

// calibrate and set plot origin
makeRectangle(80, 27, 409, 261);
Roi.getBounds(x, y, width, height);
calibrateFormRect(400,700,0,800);

function calibrateFormRect(xmin,xmax,ymin,ymax) {
  dx=xmax-xmin;
  dy=ymax-ymin;
  xs=dx/width;
  ys=dy/height;
  run("Properties...", "origin="+(x-xmin/xs)+","+(y+height+ymin/ys)+" invert");
  setVoxelSize(xs, ys, 1, "");
}

run("Analyze Line Graph");

// Count series in a plot
Plot.showValues();
h=split(Table.headings,'\t');
run("Close");
lastIndex=replace(h[h.length-1],"[^0-9]+","");

// assign colors to series, increase linewidth if needed
cols=newArray( "red", "blue", "cyan", "green", "magenta", "orange");
lw=2;
index=0;
while(index<=lastIndex) {
  if((index%cols.length)==cols.length-1) lw=lw+2;
  Plot.setStyle(index, ""+cols[index%cols.length]+",red,"+lw+",Line");
  index++;
}