/**
  * Create Path Tool
  *
  * Creates a polyline or spline path from the point selections in the roi-manager,
  *  adds everything to the overlay and deletes it from the roi-manager.
  *
  * (c) 2012, INSERM
  * written by Volker Baecker at Montpellier RIO Imaging (www.mri.cnrs.fr)
 *
*/
var FIT_SPLINE = true;
var helpURL = "http://dev.mri.cnrs.fr/projects/imagej-macros/wiki/Create_Path_Tool_%28manual_tracking%29";

macro "Create Path Action Tool - C037T4d14p" {
  run("Set Measurements...", "  stack display redirect=None decimal=3");
  count = roiManager("count");
  x = newArray(count);
  y = newArray(count);
  for (i=0; i<count; i++) {
	roiManager("select", i);
	 getSelectionCoordinates(cx, cy);
	 x[i] = cx[0];
	 y[i] = cy[0];
  } 
  makeSelection("polyline'",x,y);
  if (FIT_SPLINE) run("Fit Spline");
  run("Add to Manager");
  roiManager("select", roiManager("Count")-1);
  roiManager("Remove Slice Info");
  roiManager("Deselect");
  run("From ROI Manager");
  roiManager("Reset");
}

macro "Create Path Action Tool Options" {
   Dialog.create("Create Path Tool Options");
   Dialog.addCheckbox("fit spline", FIT_SPLINE); 
   Dialog.addMessage("The Create Path Tool Creates a polyline or spline \n from the point selections in the roi-manager, adds \n everything to the overlay and deletes it from the roi-manager.");
   Dialog.addMessage("Press the help button below to open the online help!");
   Dialog.addHelp(helpURL);
   Dialog.show();
   FIT_SPLINE = Dialog.getCheckbox();
}