[jfreechart-dev] [ jfreechart-Bugs-3387332 ] XYStepRenderer does not show shapes

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Bugs item #3387332, was opened at 2011-08-06 20:08
Message generated for change (Comment added) made by matinh
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Category: None
Group: None
>Status: Closed
>Resolution: Wont Fix
Priority: 5
Private: No
Submitted By: Geoffrey De Smet (ge0ffrey)
Assigned to: Nobody/Anonymous (nobody)
Summary: XYStepRenderer does not show shapes

Initial Comment:
XYStepRenderer extends XYLineAndShapeRenderer, but it doesn't support shapes:


This code doesn't show nothing:

            XYSeriesCollection seriesCollection = new XYSeriesCollection();
            seriesCollection.addSeries(series);
            plot.setDataset(seriesIndex, seriesCollection);
            XYStepRenderer renderer = new XYStepRenderer();
            if (statisticPointList.size() <= 5) {
                // There is only one or a few points (so likely construction heuristics benchmark), so make it clearly visible
                java.awt.geom.Ellipse2D.Double dot = new java.awt.geom.Ellipse2D.Double(-4D, -4D, 8D, 8D);
                renderer.setSeriesShape(0, dot);
                renderer.setSeriesShapesVisible(0, true);
            }
            plot.setRenderer(seriesIndex, renderer);

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>Comment By: Martin Höller (matinh)
Date: 2011-10-10 20:16

Message:
This renderer is not meant to draw any shapes, as the JavaDoc says:
"This class draws lines between data points, only allowing horizontal or
vertical lines (steps)."

The only problem with this renderer is, that it extends
XYLineAndShapeRenderer and thus provides methods that are useless.

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Comment By: Geoffrey De Smet (ge0ffrey)
Date: 2011-08-06 20:19

Message:
It's clear what's going on though: drawItem(...) never does
getItemShapeVisible() or any shape drawing code like it's parent.


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