setting ScatterPlotProperties

Hi

it is possible to see an example with ScatterPlot?
I have problems on setting ScatterPlotProperties.

private ScatterPlotProperties createScatterPlotProperties() {
    Stroke[] strokes = new Stroke[]{LineChartProperties.DEFAULT_LINE_STROKE};
    Shape[] shapes = new Shape[]{PointChartProperties.SHAPE_CIRCLE};
    return new ScatterPlotProperties( strokes, shapes );
  }

private ScatterPlotDataSet createScatterPlotDataSet(int numero_valori, double[] Indicatore1, double[] Indicatore2, String banca){
    Point2D.Double[] points = new Point2D.Double[numero_valori];
    for( int x = 0; x < numero_valori; x++ ) {
      //--- y = x^2
      points[x] = ScatterPlotDataSet.createPoint2DDouble();
      points[x].setLocation(Indicatore1[x], Indicatore2[x]);
    }
    ScatterPlotDataSet scatterPlotDataSet = new ScatterPlotDataSet( this.createScatterPlotProperties() );
    scatterPlotDataSet.addDataPoints( points, Color.red, banca );
    return scatterPlotDataSet;
  }

 public void service(HttpServletRequest req, HttpServletResponse httpServletResponse)throws ServletException, IOException    {
    try{...
           ScatterPlotDataSet scatterPlotDataSet = this.createScatterPlotDataSet(numero_valori,  Indicatore1, Indicatore2, banca);
           IScatterPlotDataSeries scatterPlotDataSeries = new ScatterPlotDataSeries(scatterPlotDataSet, Descr1, Descr2, banca);

I'd like to change LineChartProperties, I don't want to see the line connecting the dots.

Thank you




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