FastScatterPlot.java
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org.jfree.chart.plot |
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JFreeChart |
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| UNIQUE_OPERANDS | Number of unique operands | |
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| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
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| JAVA0145 | JAVA0145 Tab character used in source file | |
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/* ===========================================================
* 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.]
*
* --------------------
* FastScatterPlot.java
* --------------------
* (C) Copyright 2002-2008, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): Arnaud Lelievre;
*
* Changes (from 29-Oct-2002)
* --------------------------
* 29-Oct-2002 : Added standard header (DG);
* 07-Nov-2002 : Fixed errors reported by Checkstyle (DG);
* 26-Mar-2003 : Implemented Serializable (DG);
* 19-Aug-2003 : Implemented Cloneable (DG);
* 08-Sep-2003 : Added internationalization via use of properties
* resourceBundle (RFE 690236) (AL);
* 16-Sep-2003 : Changed ChartRenderingInfo --> PlotRenderingInfo (DG);
* 12-Nov-2003 : Implemented zooming (DG);
* 21-Jan-2004 : Update for renamed method in ValueAxis (DG);
* 26-Jan-2004 : Added domain and range grid lines (DG);
* 25-Feb-2004 : Replaced CrosshairInfo with CrosshairState (DG);
* 29-Sep-2004 : Removed hard-coded color (DG);
* 04-Oct-2004 : Reworked equals() method and renamed ArrayUtils
* --> ArrayUtilities (DG);
* 12-Nov-2004 : Implemented the new Zoomable interface (DG);
* 05-May-2005 : Updated draw() method parameters (DG);
* 16-Jun-2005 : Added get/setData() methods (DG);
* ------------- JFREECHART 1.0.x ---------------------------------------------
* 10-Nov-2006 : Fixed bug 1593150, by not allowing null axes, and added
* setDomainAxis() and setRangeAxis() methods (DG);
* 20-Jun-2007 : Removed JCommon dependencies (DG);
* 24-Sep-2007 : Implemented new zooming methods (DG);
*
*/
package org.jfree.chart.plot;
import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Iterator;
import java.util.List;
import java.util.ResourceBundle;
import org.jfree.chart.axis.AxisSpace;
import org.jfree.chart.axis.AxisState;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.axis.ValueTick;
import org.jfree.chart.event.PlotChangeEvent;
import org.jfree.chart.util.ArrayUtilities;
import org.jfree.chart.util.ObjectUtilities;
import org.jfree.chart.util.PaintUtilities;
import org.jfree.chart.util.RectangleEdge;
import org.jfree.chart.util.RectangleInsets;
import org.jfree.chart.util.SerialUtilities;
import org.jfree.data.Range;
/**
* A fast scatter plot.
*/
public class FastScatterPlot extends Plot implements ValueAxisPlot,
Zoomable, Cloneable, Serializable {
/** For serialization. */
private static final long serialVersionUID = 7871545897358563521L;
/** The default grid line stroke. */
public static final Stroke DEFAULT_GRIDLINE_STROKE = new BasicStroke(0.5f,
BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0.0f, new float[]
{2.0f, 2.0f}, 0.0f);
/** The default grid line paint. */
public static final Paint DEFAULT_GRIDLINE_PAINT = Color.lightGray;
/** The data. */
private float[][] data;
/** The x data range. */
private Range xDataRange;
/** The y data range. */
private Range yDataRange;
/** The domain axis (used for the x-values). */
private ValueAxis domainAxis;
/** The range axis (used for the y-values). */
private ValueAxis rangeAxis;
/** The paint used to plot data points. */
private transient Paint paint;
/** A flag that controls whether the domain grid-lines are visible. */
private boolean domainGridlinesVisible;
/** The stroke used to draw the domain grid-lines. */
private transient Stroke domainGridlineStroke;
/** The paint used to draw the domain grid-lines. */
private transient Paint domainGridlinePaint;
/** A flag that controls whether the range grid-lines are visible. */
private boolean rangeGridlinesVisible;
/** The stroke used to draw the range grid-lines. */
private transient Stroke rangeGridlineStroke;
/** The paint used to draw the range grid-lines. */
private transient Paint rangeGridlinePaint;
/** The resourceBundle for the localization. */
protected static ResourceBundle localizationResources =
ResourceBundle.getBundle(
"org.jfree.chart.plot.LocalizationBundle");
/**
* Creates a new instance of <code>FastScatterPlot</code> with default
* axes.
*/
public FastScatterPlot() {
this(null, new NumberAxis("X"), new NumberAxis("Y"));
}
/**
* Creates a new fast scatter plot.
* <p>
* The data is an array of x, y values: data[0][i] = x, data[1][i] = y.
*
* @param data the data (<code>null</code> permitted).
* @param domainAxis the domain (x) axis (<code>null</code> not permitted).
* @param rangeAxis the range (y) axis (<code>null</code> not permitted).
*/
public FastScatterPlot(float[][] data,
ValueAxis domainAxis, ValueAxis rangeAxis) {
super();
if (domainAxis == null) {
throw new IllegalArgumentException("Null 'domainAxis' argument.");
}
if (rangeAxis == null) {
throw new IllegalArgumentException("Null 'rangeAxis' argument.");
}
this.data = data;
this.xDataRange = calculateXDataRange(data);
this.yDataRange = calculateYDataRange(data);
this.domainAxis = domainAxis;
this.domainAxis.setPlot(this);
this.domainAxis.addChangeListener(this);
this.rangeAxis = rangeAxis;
this.rangeAxis.setPlot(this);
this.rangeAxis.addChangeListener(this);
this.paint = Color.red;
this.domainGridlinesVisible = true;
this.domainGridlinePaint = FastScatterPlot.DEFAULT_GRIDLINE_PAINT;
this.domainGridlineStroke = FastScatterPlot.DEFAULT_GRIDLINE_STROKE;
this.rangeGridlinesVisible = true;
this.rangeGridlinePaint = FastScatterPlot.DEFAULT_GRIDLINE_PAINT;
this.rangeGridlineStroke = FastScatterPlot.DEFAULT_GRIDLINE_STROKE;
}
/**
* Returns a short string describing the plot type.
*
* @return A short string describing the plot type.
*/
public String getPlotType() {
return localizationResources.getString("Fast_Scatter_Plot");
}
/**
* Returns the data array used by the plot.
*
* @return The data array (possibly <code>null</code>).
*
* @see #setData(float[][])
*/
public float[][] getData() {
return this.data;
}
/**
* Sets the data array used by the plot and sends a {@link PlotChangeEvent}
* to all registered listeners.
*
* @param data the data array (<code>null</code> permitted).
*
* @see #getData()
*/
public void setData(float[][] data) {
this.data = data;
fireChangeEvent();
}
/**
* Returns the orientation of the plot.
*
* @return The orientation (always {@link PlotOrientation#VERTICAL}).
*/
public PlotOrientation getOrientation() {
return PlotOrientation.VERTICAL;
}
/**
* Returns the domain axis for the plot.
*
* @return The domain axis (never <code>null</code>).
*
* @see #setDomainAxis(ValueAxis)
*/
public ValueAxis getDomainAxis() {
return this.domainAxis;
}
/**
* Sets the domain axis and sends a {@link PlotChangeEvent} to all
* registered listeners.
*
* @param axis the axis (<code>null</code> not permitted).
*
* @since 1.0.3
*
* @see #getDomainAxis()
*/
public void setDomainAxis(ValueAxis axis) {
if (axis == null) {
throw new IllegalArgumentException("Null 'axis' argument.");
}
this.domainAxis = axis;
fireChangeEvent();
}
/**
* Returns the range axis for the plot.
*
* @return The range axis (never <code>null</code>).
*
* @see #setRangeAxis(ValueAxis)
*/
public ValueAxis getRangeAxis() {
return this.rangeAxis;
}
/**
* Sets the range axis and sends a {@link PlotChangeEvent} to all
* registered listeners.
*
* @param axis the axis (<code>null</code> not permitted).
*
* @since 1.0.3
*
* @see #getRangeAxis()
*/
public void setRangeAxis(ValueAxis axis) {
if (axis == null) {
throw new IllegalArgumentException("Null 'axis' argument.");
}
this.rangeAxis = axis;
fireChangeEvent();
}
/**
* Returns the paint used to plot data points. The default is
* <code>Color.red</code>.
*
* @return The paint.
*
* @see #setPaint(Paint)
*/
public Paint getPaint() {
return this.paint;
}
/**
* Sets the color for the data points and sends a {@link PlotChangeEvent}
* to all registered listeners.
*
* @param paint the paint (<code>null</code> not permitted).
*
* @see #getPaint()
*/
public void setPaint(Paint paint) {
if (paint == null) {
throw new IllegalArgumentException("Null 'paint' argument.");
}
this.paint = paint;
fireChangeEvent();
}
/**
* Returns <code>true</code> if the domain gridlines are visible, and
* <code>false<code> otherwise.
*
* @return <code>true</code> or <code>false</code>.
*
* @see #setDomainGridlinesVisible(boolean)
* @see #setDomainGridlinePaint(Paint)
*/
public boolean isDomainGridlinesVisible() {
return this.domainGridlinesVisible;
}
/**
* Sets the flag that controls whether or not the domain grid-lines are
* visible. If the flag value is changed, a {@link PlotChangeEvent} is
* sent to all registered listeners.
*
* @param visible the new value of the flag.
*
* @see #getDomainGridlinePaint()
*/
public void setDomainGridlinesVisible(boolean visible) {
if (this.domainGridlinesVisible != visible) {
this.domainGridlinesVisible = visible;
fireChangeEvent();
}
}
/**
* Returns the stroke for the grid-lines (if any) plotted against the
* domain axis.
*
* @return The stroke (never <code>null</code>).
*
* @see #setDomainGridlineStroke(Stroke)
*/
public Stroke getDomainGridlineStroke() {
return this.domainGridlineStroke;
}
/**
* Sets the stroke for the grid lines plotted against the domain axis and
* sends a {@link PlotChangeEvent} to all registered listeners.
*
* @param stroke the stroke (<code>null</code> not permitted).
*
* @see #getDomainGridlineStroke()
*/
public void setDomainGridlineStroke(Stroke stroke) {
if (stroke == null) {
throw new IllegalArgumentException("Null 'stroke' argument.");
}
this.domainGridlineStroke = stroke;
fireChangeEvent();
}
/**
* Returns the paint for the grid lines (if any) plotted against the domain
* axis.
*
* @return The paint (never <code>null</code>).
*
* @see #setDomainGridlinePaint(Paint)
*/
public Paint getDomainGridlinePaint() {
return this.domainGridlinePaint;
}
/**
* Sets the paint for the grid lines plotted against the domain axis and
* sends a {@link PlotChangeEvent} to all registered listeners.
*
* @param paint the paint (<code>null</code> not permitted).
*
* @see #getDomainGridlinePaint()
*/
public void setDomainGridlinePaint(Paint paint) {
if (paint == null) {
throw new IllegalArgumentException("Null 'paint' argument.");
}
this.domainGridlinePaint = paint;
fireChangeEvent();
}
/**
* Returns <code>true</code> if the range axis grid is visible, and
* <code>false<code> otherwise.
*
* @return <code>true</code> or <code>false</code>.
*
* @see #setRangeGridlinesVisible(boolean)
*/
public boolean isRangeGridlinesVisible() {
return this.rangeGridlinesVisible;
}
/**
* Sets the flag that controls whether or not the range axis grid lines are
* visible. If the flag value is changed, a {@link PlotChangeEvent} is
* sent to all registered listeners.
*
* @param visible the new value of the flag.
*
* @see #isRangeGridlinesVisible()
*/
public void setRangeGridlinesVisible(boolean visible) {
if (this.rangeGridlinesVisible != visible) {
this.rangeGridlinesVisible = visible;
fireChangeEvent();
}
}
/**
* Returns the stroke for the grid lines (if any) plotted against the range
* axis.
*
* @return The stroke (never <code>null</code>).
*
* @see #setRangeGridlineStroke(Stroke)
*/
public Stroke getRangeGridlineStroke() {
return this.rangeGridlineStroke;
}
/**
* Sets the stroke for the grid lines plotted against the range axis and
* sends a {@link PlotChangeEvent} to all registered listeners.
*
* @param stroke the stroke (<code>null</code> permitted).
*
* @see #getRangeGridlineStroke()
*/
public void setRangeGridlineStroke(Stroke stroke) {
if (stroke == null) {
throw new IllegalArgumentException("Null 'stroke' argument.");
}
this.rangeGridlineStroke = stroke;
fireChangeEvent();
}
/**
* Returns the paint for the grid lines (if any) plotted against the range
* axis.
*
* @return The paint (never <code>null</code>).
*
* @see #setRangeGridlinePaint(Paint)
*/
public Paint getRangeGridlinePaint() {
return this.rangeGridlinePaint;
}
/**
* Sets the paint for the grid lines plotted against the range axis and
* sends a {@link PlotChangeEvent} to all registered listeners.
*
* @param paint the paint (<code>null</code> not permitted).
*
* @see #getRangeGridlinePaint()
*/
public void setRangeGridlinePaint(Paint paint) {
if (paint == null) {
throw new IllegalArgumentException("Null 'paint' argument.");
}
this.rangeGridlinePaint = paint;
fireChangeEvent();
}
/**
* Draws the fast scatter plot on a Java 2D graphics device (such as the
* screen or a printer).
*
* @param g2 the graphics device.
* @param area the area within which the plot (including axis labels)
* should be drawn.
* @param anchor the anchor point (<code>null</code> permitted).
* @param parentState the state from the parent plot (ignored).
* @param info collects chart drawing information (<code>null</code>
* permitted).
*/
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
PlotState parentState,
PlotRenderingInfo info) {
// set up info collection...
if (info != null) {
info.setPlotArea(area);
}
// adjust the drawing area for plot insets (if any)...
RectangleInsets insets = getInsets();
insets.trim(area);
AxisSpace space = new AxisSpace();
space = this.domainAxis.reserveSpace(g2, this, area,
RectangleEdge.BOTTOM, space);
space = this.rangeAxis.reserveSpace(g2, this, area, RectangleEdge.LEFT,
space);
Rectangle2D dataArea = space.shrink(area, null);
if (info != null) {
info.setDataArea(dataArea);
}
// draw the plot background and axes...
drawBackground(g2, dataArea);
AxisState domainAxisState = this.domainAxis.draw(g2,
dataArea.getMaxY(), area, dataArea, RectangleEdge.BOTTOM, info);
AxisState rangeAxisState = this.rangeAxis.draw(g2, dataArea.getMinX(),
area, dataArea, RectangleEdge.LEFT, info);
drawDomainGridlines(g2, dataArea, domainAxisState.getTicks());
drawRangeGridlines(g2, dataArea, rangeAxisState.getTicks());
Shape originalClip = g2.getClip();
Composite originalComposite = g2.getComposite();
g2.clip(dataArea);
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
getForegroundAlpha()));
render(g2, dataArea, info, null);
g2.setClip(originalClip);
g2.setComposite(originalComposite);
drawOutline(g2, dataArea);
}
/**
* Draws a representation of the data within the dataArea region. The
* <code>info</code> and <code>crosshairState</code> arguments may be
* <code>null</code>.
*
* @param g2 the graphics device.
* @param dataArea the region in which the data is to be drawn.
* @param info an optional object for collection dimension information.
* @param crosshairState collects crosshair information (<code>null</code>
* permitted).
*/
public void render(Graphics2D g2, Rectangle2D dataArea,
PlotRenderingInfo info, CrosshairState crosshairState) {
//long start = System.currentTimeMillis();
//System.out.println("Start: " + start);
g2.setPaint(this.paint);
// if the axes use a linear scale, you can uncomment the code below and
// switch to the alternative transX/transY calculation inside the loop
// that follows - it is a little bit faster then.
//
// int xx = (int) dataArea.getMinX();
// int ww = (int) dataArea.getWidth();
// int yy = (int) dataArea.getMaxY();
// int hh = (int) dataArea.getHeight();
// double domainMin = this.domainAxis.getLowerBound();
// double domainLength = this.domainAxis.getUpperBound() - domainMin;
// double rangeMin = this.rangeAxis.getLowerBound();
// double rangeLength = this.rangeAxis.getUpperBound() - rangeMin;
if (this.data != null) {
for (int i = 0; i < this.data[0].length; i++) {
float x = this.data[0][i];
float y = this.data[1][i];
//int transX = (int) (xx + ww * (x - domainMin) / domainLength);
//int transY = (int) (yy - hh * (y - rangeMin) / rangeLength);
int transX = (int) this.domainAxis.valueToJava2D(x, dataArea,
RectangleEdge.BOTTOM);
int transY = (int) this.rangeAxis.valueToJava2D(y, dataArea,
RectangleEdge.LEFT);
g2.fillRect(transX, transY, 1, 1);
}
}
//long finish = System.currentTimeMillis();
//System.out.println("Finish: " + finish);
//System.out.println("Time: " + (finish - start));
}
/**
* Draws the gridlines for the plot, if they are visible.
*
* @param g2 the graphics device.
* @param dataArea the data area.
* @param ticks the ticks.
*/
protected void drawDomainGridlines(Graphics2D g2, Rectangle2D dataArea,
List ticks) {
// draw the domain grid lines, if the flag says they're visible...
if (isDomainGridlinesVisible()) {
Iterator iterator = ticks.iterator();
while (iterator.hasNext()) {
ValueTick tick = (ValueTick) iterator.next();
double v = this.domainAxis.valueToJava2D(tick.getValue(),
dataArea, RectangleEdge.BOTTOM);
Line2D line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
g2.setPaint(getDomainGridlinePaint());
g2.setStroke(getDomainGridlineStroke());
g2.draw(line);
}
}
}
/**
* Draws the gridlines for the plot, if they are visible.
*
* @param g2 the graphics device.
* @param dataArea the data area.
* @param ticks the ticks.
*/
protected void drawRangeGridlines(Graphics2D g2, Rectangle2D dataArea,
List ticks) {
// draw the range grid lines, if the flag says they're visible...
if (isRangeGridlinesVisible()) {
Iterator iterator = ticks.iterator();
while (iterator.hasNext()) {
ValueTick tick = (ValueTick) iterator.next();
double v = this.rangeAxis.valueToJava2D(tick.getValue(),
dataArea, RectangleEdge.LEFT);
Line2D line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
g2.setPaint(getRangeGridlinePaint());
g2.setStroke(getRangeGridlineStroke());
g2.draw(line);
}
}
}
/**
* Returns the range of data values to be plotted along the axis, or
* <code>null</code> if the specified axis isn't the domain axis or the
* range axis for the plot.
*
* @param axis the axis (<code>null</code> permitted).
*
* @return The range (possibly <code>null</code>).
*/
public Range getDataRange(ValueAxis axis) {
Range result = null;
if (axis == this.domainAxis) {
result = this.xDataRange;
}
else if (axis == this.rangeAxis) {
result = this.yDataRange;
}
return result;
}
/**
* Calculates the X data range.
*
* @param data the data (<code>null</code> permitted).
*
* @return The range.
*/
private Range calculateXDataRange(float[][] data) {
Range result = null;
if (data != null) {
float lowest = Float.POSITIVE_INFINITY;
float highest = Float.NEGATIVE_INFINITY;
for (int i = 0; i < data[0].length; i++) {
float v = data[0][i];
if (v < lowest) {
lowest = v;
}
if (v > highest) {
highest = v;
}
}
if (lowest <= highest) {
result = new Range(lowest, highest);
}
}
return result;
}
/**
* Calculates the Y data range.
*
* @param data the data (<code>null</code> permitted).
*
* @return The range.
*/
private Range calculateYDataRange(float[][] data) {
Range result = null;
if (data != null) {
float lowest = Float.POSITIVE_INFINITY;
float highest = Float.NEGATIVE_INFINITY;
for (int i = 0; i < data[0].length; i++) {
float v = data[1][i];
if (v < lowest) {
lowest = v;
}
if (v > highest) {
highest = v;
}
}
if (lowest <= highest) {
result = new Range(lowest, highest);
}
}
return result;
}
/**
* Multiplies the range on the domain axis by the specified factor.
*
* @param factor the zoom factor.
* @param info the plot rendering info.
* @param source the source point.
*/
public void zoomDomainAxes(double factor, PlotRenderingInfo info,
Point2D source) {
this.domainAxis.resizeRange(factor);
}
/**
* Multiplies the range on the domain axis by the specified factor.
*
* @param factor the zoom factor.
* @param info the plot rendering info.
* @param source the source point (in Java2D space).
* @param useAnchor use source point as zoom anchor?
*
* @see #zoomRangeAxes(double, PlotRenderingInfo, Point2D, boolean)
*
* @since 1.0.7
*/
public void zoomDomainAxes(double factor, PlotRenderingInfo info,
Point2D source, boolean useAnchor) {
if (useAnchor) {
// get the source coordinate - this plot has always a VERTICAL
// orientation
double sourceX = source.getX();
double anchorX = this.domainAxis.java2DToValue(sourceX,
info.getDataArea(), RectangleEdge.BOTTOM);
this.domainAxis.resizeRange(factor, anchorX);
}
else {
this.domainAxis.resizeRange(factor);
}
}
/**
* Zooms in on the domain axes.
*
* @param lowerPercent the new lower bound as a percentage of the current
* range.
* @param upperPercent the new upper bound as a percentage of the current
* range.
* @param info the plot rendering info.
* @param source the source point.
*/
public void zoomDomainAxes(double lowerPercent, double upperPercent,
PlotRenderingInfo info, Point2D source) {
this.domainAxis.zoomRange(lowerPercent, upperPercent);
}
/**
* Multiplies the range on the range axis/axes by the specified factor.
*
* @param factor the zoom factor.
* @param info the plot rendering info.
* @param source the source point.
*/
public void zoomRangeAxes(double factor,
PlotRenderingInfo info, Point2D source) {
this.rangeAxis.resizeRange(factor);
}
/**
* Multiplies the range on the range axis by the specified factor.
*
* @param factor the zoom factor.
* @param info the plot rendering info.
* @param source the source point (in Java2D space).
* @param useAnchor use source point as zoom anchor?
*
* @see #zoomDomainAxes(double, PlotRenderingInfo, Point2D, boolean)
*
* @since 1.0.7
*/
public void zoomRangeAxes(double factor, PlotRenderingInfo info,
Point2D source, boolean useAnchor) {
if (useAnchor) {
// get the source coordinate - this plot has always a VERTICAL
// orientation
double sourceX = source.getX();
double anchorX = this.rangeAxis.java2DToValue(sourceX,
info.getDataArea(), RectangleEdge.LEFT);
this.rangeAxis.resizeRange(factor, anchorX);
}
else {
this.rangeAxis.resizeRange(factor);
}
}
/**
* Zooms in on the range axes.
*
* @param lowerPercent the new lower bound as a percentage of the current
* range.
* @param upperPercent the new upper bound as a percentage of the current
* range.
* @param info the plot rendering info.
* @param source the source point.
*/
public void zoomRangeAxes(double lowerPercent, double upperPercent,
PlotRenderingInfo info, Point2D source) {
this.rangeAxis.zoomRange(lowerPercent, upperPercent);
}
/**
* Returns <code>true</code>.
*
* @return A boolean.
*/
public boolean isDomainZoomable() {
return true;
}
/**
* Returns <code>true</code>.
*
* @return A boolean.
*/
public boolean isRangeZoomable() {
return true;
}
/**
* Tests an object for equality with this instance.
*
* @param obj the object (<code>null</code> permitted).
*
* @return A boolean.
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!super.equals(obj)) {
return false;
}
if (!(obj instanceof FastScatterPlot)) {
return false;
}
FastScatterPlot that = (FastScatterPlot) obj;
if (!ArrayUtilities.equal(this.data, that.data)) {
return false;
}
if (!ObjectUtilities.equal(this.domainAxis, that.domainAxis)) {
return false;
}
if (!ObjectUtilities.equal(this.rangeAxis, that.rangeAxis)) {
return false;
}
if (!PaintUtilities.equal(this.paint, that.paint)) {
return false;
}
if (this.domainGridlinesVisible != that.domainGridlinesVisible) {
return false;
}
if (!PaintUtilities.equal(this.domainGridlinePaint,
that.domainGridlinePaint)) {
return false;
}
if (!ObjectUtilities.equal(this.domainGridlineStroke,
that.domainGridlineStroke)) {
return false;
}
if (!this.rangeGridlinesVisible == that.rangeGridlinesVisible) {
return false;
}
if (!PaintUtilities.equal(this.rangeGridlinePaint,
that.rangeGridlinePaint)) {
return false;
}
if (!ObjectUtilities.equal(this.rangeGridlineStroke,
that.rangeGridlineStroke)) {
return false;
}
return true;
}
/**
* Returns a clone of the plot.
*
* @return A clone.
*
* @throws CloneNotSupportedException if some component of the plot does
* not support cloning.
*/
public Object clone() throws CloneNotSupportedException {
FastScatterPlot clone = (FastScatterPlot) super.clone();
if (this.data != null) {
clone.data = ArrayUtilities.clone(this.data);
}
if (this.domainAxis != null) {
clone.domainAxis = (ValueAxis) this.domainAxis.clone();
clone.domainAxis.setPlot(clone);
clone.domainAxis.addChangeListener(clone);
}
if (this.rangeAxis != null) {
clone.rangeAxis = (ValueAxis) this.rangeAxis.clone();
clone.rangeAxis.setPlot(clone);
clone.rangeAxis.addChangeListener(clone);
}
return clone;
}
/**
* Provides serialization support.
*
* @param stream the output stream.
*
* @throws IOException if there is an I/O error.
*/
private void writeObject(ObjectOutputStream stream) throws IOException {
stream.defaultWriteObject();
SerialUtilities.writePaint(this.paint, stream);
SerialUtilities.writeStroke(this.domainGridlineStroke, stream);
SerialUtilities.writePaint(this.domainGridlinePaint, stream);
SerialUtilities.writeStroke(this.rangeGridlineStroke, stream);
SerialUtilities.writePaint(this.rangeGridlinePaint, stream);
}
/**
* Provides serialization support.
*
* @param stream the input stream.
*
* @throws IOException if there is an I/O error.
* @throws ClassNotFoundException if there is a classpath problem.
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
this.paint = SerialUtilities.readPaint(stream);
this.domainGridlineStroke = SerialUtilities.readStroke(stream);
this.domainGridlinePaint = SerialUtilities.readPaint(stream);
this.rangeGridlineStroke = SerialUtilities.readStroke(stream);
this.rangeGridlinePaint = SerialUtilities.readPaint(stream);
if (this.domainAxis != null) {
this.domainAxis.addChangeListener(this);
}
if (this.rangeAxis != null) {
this.rangeAxis.addChangeListener(this);
}
}
}
The table below shows all metrics for FastScatterPlot.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 96.00 | Number of blocks | |
| BLOCK_COMMENT | 60.00 | Number of block comment lines | |
| COMMENTS | 452.00 | Comment lines | |
| COMMENT_DENSITY | 1.28 | Comment density | |
| COMPARISONS | 47.00 | Number of comparison operators | |
| CYCLOMATIC | 94.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 61.00 | Comments in declarations | |
| DOC_COMMENT | 364.00 | Number of javadoc comment lines | |
| ELOC | 352.00 | Effective lines of code | |
| EXEC_COMMENTS | 11.00 | Comments in executable code | |
| EXITS | 63.00 | Procedure exits | |
| FUNCTIONS | 43.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 77.39 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 141.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 0.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 1.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 2.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 1.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 2.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 1.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 2.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 2.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 2.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 1.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 1012.00 | Number of lines in the source file | |
| LINE_COMMENT | 28.00 | Number of line comments | |
| LOC | 449.00 | Lines of code | |
| LOGICAL_LINES | 226.00 | Number of statements | |
| LOOPS | 5.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 948.00 | Number of operands | |
| OPERATORS | 1965.00 | Number of operators | |
| PARAMS | 56.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2913.00 | Halstead program length | |
| PROGRAM_VOCAB | 342.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 85.00 | Number of return points from functions | |
| SIZE | 34028.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 294.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 48.00 | Number of unique operators | |
| WHITESPACE | 111.00 | Number of whitespace lines | |