Java tutorial
/** * Copyright (C) 2001-2015 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.com * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see http://www.gnu.org/licenses/. */ package com.rapidminer.gui.new_plotter.engine.jfreechart; import com.rapidminer.gui.new_plotter.ChartPlottimeException; import com.rapidminer.gui.new_plotter.configuration.DimensionConfig; import com.rapidminer.gui.new_plotter.configuration.DimensionConfig.PlotDimension; import com.rapidminer.gui.new_plotter.configuration.LineFormat.LineStyle; import com.rapidminer.gui.new_plotter.configuration.PlotConfiguration; import com.rapidminer.gui.new_plotter.configuration.SeriesFormat; import com.rapidminer.gui.new_plotter.configuration.SeriesFormat.ItemShape; import com.rapidminer.gui.new_plotter.configuration.ValueSource; import com.rapidminer.gui.new_plotter.data.PlotInstance; import com.rapidminer.gui.new_plotter.data.ValueSourceData; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedAreaRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedBarRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedClusteredXYBarRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedDeviationRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedLineAndShapeRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedScatterRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedStackedAreaRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedStackedBarRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedStackedXYAreaRenderer2; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedStackedXYBarRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedStatisticalBarRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedStatisticalLineAndShapeRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedXYAreaRenderer2; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedXYDifferenceRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedXYErrorRenderer; import com.rapidminer.gui.new_plotter.engine.jfreechart.renderer.FormattedXYLineAndShapeRenderer; import com.rapidminer.gui.new_plotter.utility.DataStructureUtils; import com.rapidminer.tools.LogService; import java.awt.Color; import java.util.LinkedList; import java.util.List; import java.util.logging.Level; import org.jfree.chart.labels.StandardXYToolTipGenerator; import org.jfree.chart.renderer.category.AreaRenderer; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.chart.renderer.category.ScatterRenderer; import org.jfree.chart.renderer.category.StandardBarPainter; import org.jfree.chart.renderer.xy.StandardXYBarPainter; import org.jfree.chart.renderer.xy.XYAreaRenderer2; import org.jfree.chart.renderer.xy.XYBarRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.xy.XYDataset; /** * Helper class for created JFreeChart renderers for a given ValueSource. * * @author Marius Helf * */ public class ChartRendererFactory { /** * */ private static final double DEFAULT_PERCENTUAL_XY_BAR_GAP = 0.04; /** * Private ctor, pure static class. */ private ChartRendererFactory() { } private static void configureXYLineAndShapeRenderer(XYLineAndShapeRenderer renderer, ValueSource valueSource, PlotInstance plotInstance) { renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator()); SeriesFormat seriesFormat = valueSource.getSeriesFormat(); DimensionConfig domainConfig = valueSource.getDomainConfig(); DimensionConfig colorDimensionConfig = plotInstance.getCurrentPlotConfigurationClone() .getDimensionConfig(PlotDimension.COLOR); DimensionConfig shapeDimensionConfig = plotInstance.getCurrentPlotConfigurationClone() .getDimensionConfig(PlotDimension.SHAPE); ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); int seriesCount = valueSourceData.getSeriesDataForAllGroupCells().groupCellCount(); // Loop all series and set series format. // Format based on dimension configs will be set later on in initFormatDelegate(). for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) { // configure linestyle if (seriesFormat.getLineStyle() == LineStyle.NONE) { renderer.setSeriesLinesVisible(seriesIdx, false); } else { renderer.setSeriesLinesVisible(seriesIdx, true); renderer.setSeriesStroke(seriesIdx, seriesFormat.getStroke(), false); } // configure series shape if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, shapeDimensionConfig)) { if (seriesFormat.getItemShape() != ItemShape.NONE) { renderer.setSeriesShapesVisible(seriesIdx, true); renderer.setSeriesShape(seriesIdx, seriesFormat.getItemShape().getShape()); } else { renderer.setSeriesShapesVisible(seriesIdx, false); } } // configure series color if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) { Color itemColor = seriesFormat.getItemColor(); renderer.setSeriesPaint(seriesIdx, itemColor); renderer.setSeriesFillPaint(seriesIdx, itemColor); } renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT); renderer.setUseOutlinePaint(true); } } private static void initFormatDelegate(ValueSource valueSource, FormattedRenderer formattedRenderer, PlotInstance plotInstance) { ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); List<Integer> seriesIndices = new LinkedList<Integer>(); if (valueSourceData != null) { for (int i = 0; i < valueSourceData.getSeriesCount(); ++i) { seriesIndices.add(i); } } else { LogService.getRoot().log(Level.WARNING, "com.rapidminer.gui.new_plotter.engine.jfreechart.ChartRendererFactory.null_value_source"); } initFormatDelegate(valueSource, seriesIndices, formattedRenderer, plotInstance); } private static void initFormatDelegate(ValueSource valueSource, int seriesIdx, FormattedRenderer formattedRenderer, PlotInstance plotInstance) { List<Integer> seriesIndices = new LinkedList<Integer>(); seriesIndices.add(seriesIdx); initFormatDelegate(valueSource, seriesIndices, formattedRenderer, plotInstance); } private static void initFormatDelegate(ValueSource valueSource, List<Integer> seriesIndices, FormattedRenderer formattedRenderer, PlotInstance plotInstance) { ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); RenderFormatDelegate formatDelegate = formattedRenderer.getFormatDelegate(); formatDelegate.setConfiguration(valueSourceData, plotInstance); } public static XYItemRenderer[] createXYDifferenceRenderers(ValueSource valueSource, PlotInstance plotInstance) { ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); FormattedXYDifferenceRenderer[] renderers = new FormattedXYDifferenceRenderer[valueSourceData .getSeriesCount()]; for (int seriesIdx = 0; seriesIdx < valueSourceData.getSeriesCount(); ++seriesIdx) { FormattedXYDifferenceRenderer renderer = new FormattedXYDifferenceRenderer(seriesIdx); configureXYDifferenceRenderer(renderer, valueSource, plotInstance.getCurrentPlotConfigurationClone()); initFormatDelegate(valueSource, seriesIdx, renderer, plotInstance); renderers[seriesIdx] = renderer; } return renderers; } private static void configureXYDifferenceRenderer(FormattedXYDifferenceRenderer renderer, ValueSource valueSource, PlotConfiguration plotConfiguration) { renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator()); SeriesFormat seriesFormat = valueSource.getSeriesFormat(); DimensionConfig domainConfig = valueSource.getDomainConfig(); DimensionConfig colorDimensionConfig = plotConfiguration.getDimensionConfig(PlotDimension.COLOR); DimensionConfig shapeDimensionConfig = plotConfiguration.getDimensionConfig(PlotDimension.SHAPE); int seriesCount = 1;// valueSource.getSeriesDataForAllGroupCells().groupCellCount(); // Loop all series and set series format. // Format based on dimension configs will be set later on in initFormatDelegate(). for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) { // configure linestyle if (seriesFormat.getLineStyle() == LineStyle.NONE) { } else { renderer.setSeriesStroke(seriesIdx, seriesFormat.getStroke(), false); } // configure series shape if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, shapeDimensionConfig)) { if (seriesFormat.getItemShape() != ItemShape.NONE) { renderer.setSeriesShape(seriesIdx, seriesFormat.getItemShape().getShape()); } else { } } // configure series color if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) { Color itemColor = seriesFormat.getItemColor(); Color halfTransparentPaint = DataStructureUtils.setColorAlpha(itemColor, itemColor.getAlpha() / 2); renderer.setSeriesPaint(0, halfTransparentPaint); renderer.setSeriesFillPaint(0, halfTransparentPaint); renderer.setPositivePaint(halfTransparentPaint); renderer.setNegativePaint(new Color(255 - itemColor.getRed(), 255 - itemColor.getGreen(), 255 - itemColor.getBlue(), itemColor.getAlpha() / 2)); } renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT); } } public static XYItemRenderer createXYErrorRenderer(ValueSource valueSource, PlotInstance plotInstance, XYDataset dataset) { FormattedXYErrorRenderer renderer = new FormattedXYErrorRenderer(); configureXYLineAndShapeRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); renderer.setDrawXError(false); renderer.setDrawYError(true); return renderer; } public static XYItemRenderer createDeviationRenderer(ValueSource valueSource, PlotInstance plotInstance) { FormattedDeviationRenderer renderer = new FormattedDeviationRenderer(); configureXYLineAndShapeRenderer(renderer, valueSource, plotInstance); renderer.setAlpha(0.5f * valueSource.getSeriesFormat().getOpacity() / 255f); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } public static XYItemRenderer createClusteredXYBarRenderer(ValueSource valueSource, PlotInstance plotInstance) { FormattedClusteredXYBarRenderer renderer = new FormattedClusteredXYBarRenderer( DEFAULT_PERCENTUAL_XY_BAR_GAP, false); configureXYBarRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } private static void configureXYBarRenderer(XYBarRenderer renderer, ValueSource valueSource, PlotInstance plotInstance) { StandardXYBarPainter barPainter = new StandardXYBarPainter(); renderer.setBarPainter(barPainter); renderer.setGradientPaintTransformer(null); SeriesFormat seriesFormat = valueSource.getSeriesFormat(); DimensionConfig domainConfig = valueSource.getDomainConfig(); ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); int seriesCount; if (valueSourceData != null) { seriesCount = valueSourceData.getSeriesCount(); } else { seriesCount = 0; } DimensionConfig colorDimensionConfig = plotInstance.getCurrentPlotConfigurationClone() .getDimensionConfig(PlotDimension.COLOR); // don't need shapeDimensionConfig, since the shape can't be represented for bars. // Loop all series and set series format. // Format based on dimension configs will be set later on in initFormatDelegate(). for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) { // configure series paint if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) { renderer.setSeriesPaint(seriesIdx, seriesFormat.getAreaFillPaint()); } // configure general style of the bars renderer.setShadowVisible(false); renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT); } renderer.setDrawBarOutline(true); } public static XYItemRenderer createStackedXYBarRenderer(ValueSource valueSource, PlotInstance plotInstance, boolean asPercentages) { FormattedStackedXYBarRenderer renderer = new FormattedStackedXYBarRenderer(0.1); renderer.setRenderAsPercentages(asPercentages); configureXYBarRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } public static XYItemRenderer createXYAreaRenderer2(ValueSource valueSource, PlotInstance plotInstance) { FormattedXYAreaRenderer2 renderer = new FormattedXYAreaRenderer2(); ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); configureXYAreaRenderer2(valueSourceData, renderer); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } private static void configureXYAreaRenderer2(ValueSourceData valueSourceData, XYAreaRenderer2 renderer) { int seriesCount = valueSourceData.getSeriesCount(); SeriesFormat seriesFormat = valueSourceData.getValueSource().getSeriesFormat(); // Loop all series and set series format. // Format based on dimension configs will be set later on in initFormatDelegate(). for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) { renderer.setSeriesPaint(seriesIdx, seriesFormat.getAreaFillPaint()); } // don't use outline paint, otherwise the plot shows vertical lines renderer.setOutline(false); } public static XYItemRenderer createStackedXYAreaRenderer2(ValueSource valueSource, PlotInstance plotInstance, boolean b) { FormattedStackedXYAreaRenderer2 renderer = new FormattedStackedXYAreaRenderer2(); ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); configureXYAreaRenderer2(valueSourceData, renderer); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } public static XYItemRenderer createXYLineAndShapeRenderer(ValueSource valueSource, PlotInstance plotInstance) { FormattedXYLineAndShapeRenderer renderer = new FormattedXYLineAndShapeRenderer(); configureXYLineAndShapeRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } public static FormattedStatisticalLineAndShapeRenderer createStatisticalLineAndShapeRenderer( ValueSource valueSource, PlotInstance plotInstance) { FormattedStatisticalLineAndShapeRenderer renderer = new FormattedStatisticalLineAndShapeRenderer(); configureLineAndShapeRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } public static FormattedLineAndShapeRenderer createLineAndShapeRenderer(ValueSource valueSource, PlotInstance plotInstance) { FormattedLineAndShapeRenderer renderer = new FormattedLineAndShapeRenderer(); renderer.setDefaultEntityRadius(4); configureLineAndShapeRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } private static void configureLineAndShapeRenderer(LineAndShapeRenderer renderer, ValueSource valueSource, PlotInstance plotInstance) { ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); int seriesCount = valueSourceData.getSeriesCount(); SeriesFormat seriesFormat = valueSource.getSeriesFormat(); DimensionConfig domainConfig = valueSource.getDomainConfig(); DimensionConfig colorDimensionConfig = plotInstance.getCurrentPlotConfigurationClone() .getDimensionConfig(PlotDimension.COLOR); DimensionConfig shapeDimensionConfig = plotInstance.getCurrentPlotConfigurationClone() .getDimensionConfig(PlotDimension.SHAPE); renderer.setDefaultEntityRadius(4); // loop all series and set series format for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) { // configure linestyle if (seriesFormat.getLineStyle() != LineStyle.NONE) { renderer.setSeriesLinesVisible(seriesIdx, true); renderer.setSeriesStroke(seriesIdx, seriesFormat.getStroke(), false); } else { renderer.setSeriesLinesVisible(seriesIdx, false); } // configure series shape if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, shapeDimensionConfig)) { if (seriesFormat.getItemShape() != ItemShape.NONE) { renderer.setSeriesShapesVisible(seriesIdx, true); renderer.setSeriesShape(seriesIdx, seriesFormat.getItemShape().getShape()); } else { renderer.setSeriesShapesVisible(seriesIdx, false); } } // configure series color if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) { Color itemColor = seriesFormat.getItemColor(); renderer.setSeriesPaint(seriesIdx, itemColor); } renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT); renderer.setUseOutlinePaint(true); } } private static void configureScatterRenderer(ScatterRenderer renderer, ValueSource valueSource, PlotInstance plotInstance) throws ChartPlottimeException { ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); int seriesCount = valueSourceData.getSeriesCount(); SeriesFormat seriesFormat = valueSource.getSeriesFormat(); DimensionConfig domainConfig = valueSource.getDomainConfig(); DimensionConfig colorDimensionConfig = plotInstance.getCurrentPlotConfigurationClone() .getDimensionConfig(PlotDimension.COLOR); DimensionConfig shapeDimensionConfig = plotInstance.getCurrentPlotConfigurationClone() .getDimensionConfig(PlotDimension.SHAPE); renderer.setDefaultEntityRadius(4); // loop all series and set series format for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) { // lines are not supported in a ScatterRenderer, but this is already checked in // JFreeChartPlotEngine.getWarnings(). // configure series shape if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, shapeDimensionConfig)) { // if(seriesFormat.getItemShape() != ItemShape.NONE) { renderer.setSeriesShape(seriesIdx, seriesFormat.getItemShape().getShape()); // } else { // throw new ChartPlottimeException("unsupported_item_shape", // valueSource.toString(), seriesFormat.getItemShape()); // } } // configure series color if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) { Color itemColor = seriesFormat.getItemColor(); renderer.setSeriesPaint(seriesIdx, itemColor); } renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT); renderer.setUseOutlinePaint(true); renderer.setDrawOutlines(true); renderer.setUseSeriesOffset(false); } } public static FormattedStatisticalBarRenderer createStatisticalBarRenderer(ValueSource valueSource, PlotInstance plotInstance) { FormattedStatisticalBarRenderer renderer = new FormattedStatisticalBarRenderer(); configureBarRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } private static void configureBarRenderer(BarRenderer renderer, ValueSource valueSource, PlotInstance plotInstance) { StandardBarPainter barPainter = new StandardBarPainter(); renderer.setBarPainter(barPainter); renderer.setGradientPaintTransformer(null); ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); int seriesCount = valueSourceData.getSeriesCount(); DimensionConfig domainConfig = valueSource.getDomainConfig(); DimensionConfig colorDimensionConfig = plotInstance.getCurrentPlotConfigurationClone() .getDimensionConfig(PlotDimension.COLOR); SeriesFormat seriesFormat = valueSource.getSeriesFormat(); // Loop all series and set series format. // Format based on dimension configs will be set later on in initFormatDelegate(). for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) { // configure series paint if necessary if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) { renderer.setSeriesPaint(seriesIdx, seriesFormat.getAreaFillPaint()); } // configure general style of the bars renderer.setShadowVisible(false); renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT); } renderer.setDrawBarOutline(true); } public static FormattedBarRenderer createBarRenderer(ValueSource valueSource, PlotInstance plotInstance) { FormattedBarRenderer renderer = new FormattedBarRenderer(); configureBarRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } public static FormattedStackedBarRenderer createStackedBarRenderer(ValueSource valueSource, PlotInstance plotInstance, boolean asPercentages) { FormattedStackedBarRenderer renderer = new FormattedStackedBarRenderer(); configureBarRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); renderer.setRenderAsPercentages(asPercentages); return renderer; } public static FormattedAreaRenderer createAreaRenderer(ValueSource valueSource, PlotInstance plotInstance) { FormattedAreaRenderer renderer = new FormattedAreaRenderer(); configureAreaRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } private static void configureAreaRenderer(AreaRenderer renderer, ValueSource valueSource, PlotInstance plotInstance) { ValueSourceData valueSourceData = plotInstance.getPlotData().getValueSourceData(valueSource); int seriesCount = valueSourceData.getSeriesCount(); SeriesFormat seriesFormat = valueSource.getSeriesFormat(); // Loop all series and set series format. // Format based on dimension configs will be set later on in initFormatDelegate(). for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) { renderer.setSeriesPaint(seriesIdx, seriesFormat.getAreaFillPaint()); } } public static FormattedStackedAreaRenderer createStackedAreaRenderer(ValueSource valueSource, PlotInstance plotInstance, boolean asPercentages) { FormattedStackedAreaRenderer renderer = new FormattedStackedAreaRenderer(); renderer.setRenderAsPercentages(asPercentages); configureAreaRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } public static FormattedScatterRenderer createScatterRenderer(ValueSource valueSource, PlotInstance plotInstance) throws ChartPlottimeException { FormattedScatterRenderer renderer = new FormattedScatterRenderer(); configureScatterRenderer(renderer, valueSource, plotInstance); initFormatDelegate(valueSource, renderer, plotInstance); return renderer; } }