+ "description": "Draw a small dot at each point, in addition to a line going through \
+ the point. This makes the individual data points easier to see, but \
+ can increase visual clutter in the chart. The small dot can be \
+ replaced with a custom rendering by supplying a \
+ <a href='#drawPointCallback'>drawPointCallback</a>."
+ },
+ "drawPointCallback": {
+ "default": "null",
+ "labels": ["Data Line display"],
+ "type": "function(g, seriesName, canvasContext, cx, cy, color, pointSize)",
+ "parameters": [
+ [ "g" , "the reference graph" ],
+ [ "seriesName" , "the name of the series" ],
+ [ "canvasContext" , "the canvas to draw on" ],
+ [ "cx" , "center x coordinate" ],
+ [ "cy" , "center y coordinate" ],
+ [ "color" , "series color" ],
+ [ "pointSize" , "the radius of the image." ]
+ ],
+ "description": "Draw a custom item when drawPoints is enabled. \
+ Default is a small dot matching the series color. This method \
+ should constrain drawing to within pointSize pixels from (cx, cy). \
+ Also see <a href='#drawHighlightPointCallback'>drawHighlightPointCallback</a>"