Function halfDown

src/plugins/axes.js:107–107

(y)

  // Round pixels to half-integer boundaries for crisper drawing.
  function halfUp(x)  { return Math.round(x) + 0.5; }
  function halfDown(y){ return Math.round(y) - 0.5; }

  var context = e.drawingContext;
  var containerDiv = e.canvas.parentNode;