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jfreechart example source code file (WaferMapDataset.java)

This example jfreechart source code file (WaferMapDataset.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

abstractdataset, comparable, comparable, default_chip_space, defaultkeyedvalues2d, double, double, integer, integer, number, number, set, treeset, util, wafermapdataset

The jfreechart WaferMapDataset.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * --------------------
 * WaferMapDataset.java
 * --------------------
 * (C)opyright 2003-2008, by Robert Redburn and Contributors.
 *
 * Original Author:  Robert Redburn;
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 * Changes
 * -------
 * 25-Nov-2003 : Version 1 contributed by Robert Redburn (with some
 *               modifications to match style conventions) (DG);
 * ------------- JFREECHART 1.0.x ---------------------------------------------
 * 02-Feb-2007 : Removed author tags from all over JFreeChart sources (DG);
 *
 */

package org.jfree.data.general;

import java.util.Set;
import java.util.TreeSet;

import org.jfree.data.DefaultKeyedValues2D;

/**
 * A dataset that can be used with the {@link org.jfree.chart.plot.WaferMapPlot}
 * class.
 */
public class WaferMapDataset extends AbstractDataset {

    /**
     * Storage structure for the data values (row key is chipx, column is
     * chipy)
     */
    private DefaultKeyedValues2D data;

    /** wafer x dimension */
    private int maxChipX;

    /** wafer y dimension */
    private int maxChipY;

    /** space to draw between chips */
    private double chipSpace;

    /** maximum value in this dataset */
    private Double maxValue;

    /** minimum value in this dataset */
    private Double minValue;

    /** default chip spacing */
    private static final double DEFAULT_CHIP_SPACE = 1d;

    /**
     * Creates a new dataset using the default chipspace.
     *
     * @param maxChipX  the wafer x-dimension.
     * @param maxChipY  the wafer y-dimension.
     */
    public WaferMapDataset(int maxChipX, int maxChipY) {
        this(maxChipX, maxChipY, null);
    }

    /**
     * Creates a new dataset.
     *
     * @param maxChipX  the wafer x-dimension.
     * @param maxChipY  the wafer y-dimension.
     * @param chipSpace  the space between chips.
     */
    public WaferMapDataset(int maxChipX, int maxChipY, Number chipSpace) {

        this.maxValue = new Double(Double.NEGATIVE_INFINITY);
        this.minValue = new Double(Double.POSITIVE_INFINITY);
        this.data = new DefaultKeyedValues2D();

        this.maxChipX = maxChipX;
        this.maxChipY = maxChipY;
        if (chipSpace == null) {
            this.chipSpace = DEFAULT_CHIP_SPACE;
        }
        else {
            this.chipSpace = chipSpace.doubleValue();
        }

    }

    /**
     * Sets a value in the dataset.
     *
     * @param value  the value.
     * @param chipx  the x-index for the chip.
     * @param chipy  the y-index for the chip.
     */
    public void addValue(Number value, Comparable chipx, Comparable chipy) {
        setValue(value, chipx, chipy);
    }

    /**
     * Adds a value to the dataset.
     *
     * @param v  the value.
     * @param x  the x-index.
     * @param y  the y-index.
     */
    public void addValue(int v, int x, int y) {
        setValue(new Double(v), new Integer(x), new Integer(y));
    }

    /**
     * Sets a value in the dataset and updates min and max value entries.
     *
     * @param value  the value.
     * @param chipx  the x-index.
     * @param chipy  the y-index.
     */
    public void setValue(Number value, Comparable chipx, Comparable chipy) {
        this.data.setValue(value, chipx, chipy);
        if (isMaxValue(value)) {
            this.maxValue = (Double) value;
        }
        if (isMinValue(value)) {
            this.minValue = (Double) value;
        }
    }

    /**
     * Returns the number of unique values.
     *
     * @return The number of unique values.
     */
    public int getUniqueValueCount() {
        return getUniqueValues().size();
    }

    /**
     * Returns the set of unique values.
     *
     * @return The set of unique values.
     */
    public Set getUniqueValues() {
        Set unique = new TreeSet();
        //step through all the values and add them to the hash
        for (int r = 0; r < this.data.getRowCount(); r++) {
            for (int c = 0; c < this.data.getColumnCount(); c++) {
                Number value = this.data.getValue(r, c);
                if (value != null) {
                    unique.add(value);
                }
            }
        }
        return unique;
    }

    /**
     * Returns the data value for a chip.
     *
     * @param chipx  the x-index.
     * @param chipy  the y-index.
     *
     * @return The data value.
     */
    public Number getChipValue(int chipx, int chipy) {
        return getChipValue(new Integer(chipx), new Integer(chipy));
    }

    /**
     * Returns the value for a given chip x and y or null.
     *
     * @param chipx  the x-index.
     * @param chipy  the y-index.
     *
     * @return The data value.
     */
    public Number getChipValue(Comparable chipx, Comparable chipy) {
        int rowIndex = this.data.getRowIndex(chipx);
        if (rowIndex < 0) {
            return null;
        }
        int colIndex = this.data.getColumnIndex(chipy);
        if (colIndex < 0) {
            return null;
        }
        return this.data.getValue(rowIndex, colIndex);
    }

    /**
     * Tests to see if the passed value is larger than the stored maxvalue.
     *
     * @param check  the number to check.
     *
     * @return A boolean.
     */
    public boolean isMaxValue(Number check) {
        if (check.doubleValue() > this.maxValue.doubleValue()) {
            return true;
        }
        return false;
    }

    /**
     * Tests to see if the passed value is smaller than the stored minvalue.
     *
     * @param check  the number to check.
     *
     * @return A boolean.
     */
    public boolean isMinValue(Number check) {
        if (check.doubleValue() < this.minValue.doubleValue()) {
            return true;
        }
        return false;
    }

    /**
     * Returns the maximum value stored in the dataset.
     *
     * @return The maximum value.
     */
    public Number getMaxValue() {
        return this.maxValue;
    }

    /**
     * Returns the minimum value stored in the dataset.
     *
     * @return The minimum value.
     */
    public Number getMinValue() {
        return this.minValue;
    }

    /**
     * Returns the wafer x-dimension.
     *
     * @return The number of chips in the x-dimension.
     */
    public int getMaxChipX() {
        return this.maxChipX;
    }

    /**
     * Sets wafer x dimension.
     *
     * @param maxChipX  the number of chips in the x-dimension.
     */
    public void setMaxChipX(int maxChipX) {
        this.maxChipX = maxChipX;
    }

    /**
     * Returns the number of chips in the y-dimension.
     *
     * @return The number of chips.
     */
    public int getMaxChipY() {
        return this.maxChipY;
    }

    /**
     * Sets the number of chips in the y-dimension.
     *
     * @param maxChipY  the number of chips.
     */
    public void setMaxChipY(int maxChipY) {
        this.maxChipY = maxChipY;
    }

    /**
     * Returns the space to draw between chips.
     *
     * @return The space.
     */
    public double getChipSpace() {
        return this.chipSpace;
    }

    /**
     * Sets the space to draw between chips.
     *
     * @param space  the space.
     */
    public void setChipSpace(double space) {
        this.chipSpace = space;
    }

}

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