draw.js Example File

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  var component;
  var size = 0;
  var counter = 0;
  var difference = 0;

  function start() {
      size = heartRate.measurementsSize();
      difference = (plot.width-topbar.width)/size;
      console.log(size +" "+ plot.width);
      for (var i = 0; i< size; i++) {
          var value = heartRate.measurements(i);

          drawIt(value);
          counter++;
      }
  }

  function drawIt(value) {
      if (component == null)
             component = Qt.createComponent("Point.qml");
      if (component.status == Component.Ready) {
          var dynamicObject = component.createObject(plot);
                  if (dynamicObject == null) {
                      console.log("error creating block");
                      console.log(component.errorString());
                      return false;
                  }
                  dynamicObject.x = 10+(counter*difference);
                  console.log(plot.height)
                 dynamicObject.y = plot.height -value;

      }
  }