jfreechart - Java Shape Utilities -
how set such kind of points - small circles? know should set render , shapeutilies:
render.setseriesshape(numberofserie, shapeutilities.[something here]);
what should write circles? documentation here.
the shapeutilities class has methods create shapes aren't provided default in java2d. circles though, can use:
ellipse2d circle = new ellipse2d.double(-3.0, -3.0, 6.0, 6.0);
the circle here centered on (0, 0) - jfreechart relies on because translate position of shape (x, y) when drawing chart.
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