Java 在CombinedDomainXYPlot中创建标记/十字线
我想在组合域中显示一个标记。这是行不通的。我可以为每个子批次添加标记。但我想为CombinedDomainXYPlot添加它。任何人都可以告诉我一些关于这个问题的事情。我认为十字线的行为是一样的 这是创建CombinedDomainXYPlot并尝试添加标记的工作示例。添加的标记位于createCombinedChart中 drawAnnotations是在XYPlot中实现的,不幸的是合并了DomainXYPlot子类XYPlot,但在其重写的drawAnnotations实现中不调用drawAnnotations,也不将注释转发到子图 您可以通过子类化CombinedDomainXYPlot来实现addAnnotation和removeAnnotation。drawAnnotations在XYPlot中实现,不幸的是,CombinedDomainXYPlot子类XYPlot,但在其重写的draw实现中不调用drawAnnotations,也不将注释转发到子图Java 在CombinedDomainXYPlot中创建标记/十字线,java,jfreechart,Java,Jfreechart,我想在组合域中显示一个标记。这是行不通的。我可以为每个子批次添加标记。但我想为CombinedDomainXYPlot添加它。任何人都可以告诉我一些关于这个问题的事情。我认为十字线的行为是一样的 这是创建CombinedDomainXYPlot并尝试添加标记的工作示例。添加的标记位于createCombinedChart中 drawAnnotations是在XYPlot中实现的,不幸的是合并了DomainXYPlot子类XYPlot,但在其重写的drawAnnotations实现中不调用draw
通过对CombinedDomainXYPlot进行子类化,您可以提供addAnnotation和removeAnnotation的实现。多亏了Graham,我开发了CombinedDomainXYPlot的调整版,它适合我。结果是这样的 为了实现这一点,我合并了XYPlot和xylineandshaperender中的代码。 这是源代码
import java.awt.AlphaComposite;
import java.awt.Composite;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.jfree.chart.annotations.XYAnnotation;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.CombinedDomainXYPlot;
import org.jfree.chart.plot.IntervalMarker;
import org.jfree.chart.plot.Marker;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.plot.PlotState;
import org.jfree.chart.plot.ValueMarker;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.data.Range;
import org.jfree.text.TextUtilities;
import org.jfree.ui.GradientPaintTransformer;
import org.jfree.ui.Layer;
import org.jfree.ui.LengthAdjustmentType;
import org.jfree.ui.RectangleAnchor;
import org.jfree.ui.RectangleInsets;
public class MyCombinedDomainXYPlot extends CombinedDomainXYPlot {
public MyCombinedDomainXYPlot() {
super();
// TODO Auto-generated constructor stub
}
public MyCombinedDomainXYPlot(ValueAxis domainAxis) {
super(domainAxis);
// TODO Auto-generated constructor stub
}
@Override
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
PlotState parentState, PlotRenderingInfo info) {
super.draw(g2, area, anchor, parentState, info);
drawDomainMarkers(g2, area, 0, Layer.FOREGROUND);
}
/**
* Draws the domain markers (if any) for an axis and layer. This method is
* typically called from within the draw() method.
*
* @param g2 the graphics device.
* @param dataArea the data area.
* @param index the renderer index.
* @param layer the layer (foreground or background).
*/
@Override
protected void drawDomainMarkers(Graphics2D g2, Rectangle2D dataArea,
int index, Layer layer) {
// check that the renderer has a corresponding dataset (it doesn't
// matter if the dataset is null)
if (index >= getDatasetCount()) {
return;
}
Collection markers = getDomainMarkers(index, layer);
ValueAxis axis = getDomainAxisForDataset(index);
if (markers != null && axis != null) {
Iterator iterator = markers.iterator();
while (iterator.hasNext()) {
Marker marker = (Marker) iterator.next();
drawDomainMarker(g2, marker, dataArea);
}
}
}
/**
* Draws a vertical line on the chart to represent a 'range marker'.
*
* @param g2
* the graphics device.
* @param plot
* the plot.
* @param domainAxis
* the domain axis.
* @param marker
* the marker line.
* @param dataArea
* the axis data area.
*/
public void drawDomainMarker(Graphics2D g2, Marker marker, Rectangle2D dataArea) {
ValueAxis domainAxis = getDomainAxis();
if (marker instanceof ValueMarker) {
ValueMarker vm = (ValueMarker) marker;
double value = vm.getValue();
Range range = domainAxis.getRange();
if (!range.contains(value)) {
return;
}
double v = domainAxis.valueToJava2D(value, dataArea,
getDomainAxisEdge());
PlotOrientation orientation = getOrientation();
Line2D line = null;
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
} else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
final Composite originalComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(
AlphaComposite.SRC_OVER, marker.getAlpha()));
g2.setPaint(marker.getPaint());
g2.setStroke(marker.getStroke());
g2.draw(line);
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates = calculateDomainMarkerTextAnchorPoint(
g2, orientation, dataArea, line.getBounds2D(),
marker.getLabelOffset(),
LengthAdjustmentType.EXPAND, anchor);
TextUtilities.drawAlignedString(label, g2,
(float) coordinates.getX(),
(float) coordinates.getY(),
marker.getLabelTextAnchor());
}
g2.setComposite(originalComposite);
} else if (marker instanceof IntervalMarker) {
IntervalMarker im = (IntervalMarker) marker;
double start = im.getStartValue();
double end = im.getEndValue();
Range range = domainAxis.getRange();
if (!(range.intersects(start, end))) {
return;
}
double start2d = domainAxis.valueToJava2D(start, dataArea,
getDomainAxisEdge());
double end2d = domainAxis.valueToJava2D(end, dataArea,
getDomainAxisEdge());
double low = Math.min(start2d, end2d);
double high = Math.max(start2d, end2d);
PlotOrientation orientation = getOrientation();
Rectangle2D rect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
// clip top and bottom bounds to data area
low = Math.max(low, dataArea.getMinY());
high = Math.min(high, dataArea.getMaxY());
rect = new Rectangle2D.Double(dataArea.getMinX(), low,
dataArea.getWidth(), high - low);
} else if (orientation == PlotOrientation.VERTICAL) {
// clip left and right bounds to data area
low = Math.max(low, dataArea.getMinX());
high = Math.min(high, dataArea.getMaxX());
rect = new Rectangle2D.Double(low, dataArea.getMinY(), high
- low, dataArea.getHeight());
}
final Composite originalComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(
AlphaComposite.SRC_OVER, marker.getAlpha()));
Paint p = marker.getPaint();
if (p instanceof GradientPaint) {
GradientPaint gp = (GradientPaint) p;
GradientPaintTransformer t = im
.getGradientPaintTransformer();
if (t != null) {
gp = t.transform(gp, rect);
}
g2.setPaint(gp);
} else {
g2.setPaint(p);
}
g2.fill(rect);
// now draw the outlines, if visible...
if (im.getOutlinePaint() != null
&& im.getOutlineStroke() != null) {
if (orientation == PlotOrientation.VERTICAL) {
Line2D line = new Line2D.Double();
double y0 = dataArea.getMinY();
double y1 = dataArea.getMaxY();
g2.setPaint(im.getOutlinePaint());
g2.setStroke(im.getOutlineStroke());
if (range.contains(start)) {
line.setLine(start2d, y0, start2d, y1);
g2.draw(line);
}
if (range.contains(end)) {
line.setLine(end2d, y0, end2d, y1);
g2.draw(line);
}
} else { // PlotOrientation.HORIZONTAL
Line2D line = new Line2D.Double();
double x0 = dataArea.getMinX();
double x1 = dataArea.getMaxX();
g2.setPaint(im.getOutlinePaint());
g2.setStroke(im.getOutlineStroke());
if (range.contains(start)) {
line.setLine(x0, start2d, x1, start2d);
g2.draw(line);
}
if (range.contains(end)) {
line.setLine(x0, end2d, x1, end2d);
g2.draw(line);
}
}
}
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates = calculateDomainMarkerTextAnchorPoint(
g2, orientation, dataArea, rect,
marker.getLabelOffset(),
marker.getLabelOffsetType(), anchor);
TextUtilities.drawAlignedString(label, g2,
(float) coordinates.getX(),
(float) coordinates.getY(),
marker.getLabelTextAnchor());
}
g2.setComposite(originalComposite);
}
}
/**
* Calculates the (x, y) coordinates for drawing a marker label.
*
* @param g2
* the graphics device.
* @param orientation
* the plot orientation.
* @param dataArea
* the data area.
* @param markerArea
* the rectangle surrounding the marker area.
* @param markerOffset
* the marker label offset.
* @param labelOffsetType
* the label offset type.
* @param anchor
* the label anchor.
*
* @return The coordinates for drawing the marker label.
*/
protected Point2D calculateDomainMarkerTextAnchorPoint(Graphics2D g2,
PlotOrientation orientation, Rectangle2D dataArea,
Rectangle2D markerArea, RectangleInsets markerOffset,
LengthAdjustmentType labelOffsetType, RectangleAnchor anchor) {
Rectangle2D anchorRect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
LengthAdjustmentType.CONTRACT, labelOffsetType);
} else if (orientation == PlotOrientation.VERTICAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
labelOffsetType, LengthAdjustmentType.CONTRACT);
}
return RectangleAnchor.coordinates(anchorRect, anchor);
}
}
多亏了格雷厄姆,我开发了一个调整版的CombinedDomainXYPlot,它适合我。结果是这样的 为了实现这一点,我合并了XYPlot和xylineandshaperender中的代码。 这是源代码
import java.awt.AlphaComposite;
import java.awt.Composite;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.jfree.chart.annotations.XYAnnotation;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.CombinedDomainXYPlot;
import org.jfree.chart.plot.IntervalMarker;
import org.jfree.chart.plot.Marker;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.plot.PlotState;
import org.jfree.chart.plot.ValueMarker;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.data.Range;
import org.jfree.text.TextUtilities;
import org.jfree.ui.GradientPaintTransformer;
import org.jfree.ui.Layer;
import org.jfree.ui.LengthAdjustmentType;
import org.jfree.ui.RectangleAnchor;
import org.jfree.ui.RectangleInsets;
public class MyCombinedDomainXYPlot extends CombinedDomainXYPlot {
public MyCombinedDomainXYPlot() {
super();
// TODO Auto-generated constructor stub
}
public MyCombinedDomainXYPlot(ValueAxis domainAxis) {
super(domainAxis);
// TODO Auto-generated constructor stub
}
@Override
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
PlotState parentState, PlotRenderingInfo info) {
super.draw(g2, area, anchor, parentState, info);
drawDomainMarkers(g2, area, 0, Layer.FOREGROUND);
}
/**
* Draws the domain markers (if any) for an axis and layer. This method is
* typically called from within the draw() method.
*
* @param g2 the graphics device.
* @param dataArea the data area.
* @param index the renderer index.
* @param layer the layer (foreground or background).
*/
@Override
protected void drawDomainMarkers(Graphics2D g2, Rectangle2D dataArea,
int index, Layer layer) {
// check that the renderer has a corresponding dataset (it doesn't
// matter if the dataset is null)
if (index >= getDatasetCount()) {
return;
}
Collection markers = getDomainMarkers(index, layer);
ValueAxis axis = getDomainAxisForDataset(index);
if (markers != null && axis != null) {
Iterator iterator = markers.iterator();
while (iterator.hasNext()) {
Marker marker = (Marker) iterator.next();
drawDomainMarker(g2, marker, dataArea);
}
}
}
/**
* Draws a vertical line on the chart to represent a 'range marker'.
*
* @param g2
* the graphics device.
* @param plot
* the plot.
* @param domainAxis
* the domain axis.
* @param marker
* the marker line.
* @param dataArea
* the axis data area.
*/
public void drawDomainMarker(Graphics2D g2, Marker marker, Rectangle2D dataArea) {
ValueAxis domainAxis = getDomainAxis();
if (marker instanceof ValueMarker) {
ValueMarker vm = (ValueMarker) marker;
double value = vm.getValue();
Range range = domainAxis.getRange();
if (!range.contains(value)) {
return;
}
double v = domainAxis.valueToJava2D(value, dataArea,
getDomainAxisEdge());
PlotOrientation orientation = getOrientation();
Line2D line = null;
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
} else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
final Composite originalComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(
AlphaComposite.SRC_OVER, marker.getAlpha()));
g2.setPaint(marker.getPaint());
g2.setStroke(marker.getStroke());
g2.draw(line);
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates = calculateDomainMarkerTextAnchorPoint(
g2, orientation, dataArea, line.getBounds2D(),
marker.getLabelOffset(),
LengthAdjustmentType.EXPAND, anchor);
TextUtilities.drawAlignedString(label, g2,
(float) coordinates.getX(),
(float) coordinates.getY(),
marker.getLabelTextAnchor());
}
g2.setComposite(originalComposite);
} else if (marker instanceof IntervalMarker) {
IntervalMarker im = (IntervalMarker) marker;
double start = im.getStartValue();
double end = im.getEndValue();
Range range = domainAxis.getRange();
if (!(range.intersects(start, end))) {
return;
}
double start2d = domainAxis.valueToJava2D(start, dataArea,
getDomainAxisEdge());
double end2d = domainAxis.valueToJava2D(end, dataArea,
getDomainAxisEdge());
double low = Math.min(start2d, end2d);
double high = Math.max(start2d, end2d);
PlotOrientation orientation = getOrientation();
Rectangle2D rect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
// clip top and bottom bounds to data area
low = Math.max(low, dataArea.getMinY());
high = Math.min(high, dataArea.getMaxY());
rect = new Rectangle2D.Double(dataArea.getMinX(), low,
dataArea.getWidth(), high - low);
} else if (orientation == PlotOrientation.VERTICAL) {
// clip left and right bounds to data area
low = Math.max(low, dataArea.getMinX());
high = Math.min(high, dataArea.getMaxX());
rect = new Rectangle2D.Double(low, dataArea.getMinY(), high
- low, dataArea.getHeight());
}
final Composite originalComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(
AlphaComposite.SRC_OVER, marker.getAlpha()));
Paint p = marker.getPaint();
if (p instanceof GradientPaint) {
GradientPaint gp = (GradientPaint) p;
GradientPaintTransformer t = im
.getGradientPaintTransformer();
if (t != null) {
gp = t.transform(gp, rect);
}
g2.setPaint(gp);
} else {
g2.setPaint(p);
}
g2.fill(rect);
// now draw the outlines, if visible...
if (im.getOutlinePaint() != null
&& im.getOutlineStroke() != null) {
if (orientation == PlotOrientation.VERTICAL) {
Line2D line = new Line2D.Double();
double y0 = dataArea.getMinY();
double y1 = dataArea.getMaxY();
g2.setPaint(im.getOutlinePaint());
g2.setStroke(im.getOutlineStroke());
if (range.contains(start)) {
line.setLine(start2d, y0, start2d, y1);
g2.draw(line);
}
if (range.contains(end)) {
line.setLine(end2d, y0, end2d, y1);
g2.draw(line);
}
} else { // PlotOrientation.HORIZONTAL
Line2D line = new Line2D.Double();
double x0 = dataArea.getMinX();
double x1 = dataArea.getMaxX();
g2.setPaint(im.getOutlinePaint());
g2.setStroke(im.getOutlineStroke());
if (range.contains(start)) {
line.setLine(x0, start2d, x1, start2d);
g2.draw(line);
}
if (range.contains(end)) {
line.setLine(x0, end2d, x1, end2d);
g2.draw(line);
}
}
}
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates = calculateDomainMarkerTextAnchorPoint(
g2, orientation, dataArea, rect,
marker.getLabelOffset(),
marker.getLabelOffsetType(), anchor);
TextUtilities.drawAlignedString(label, g2,
(float) coordinates.getX(),
(float) coordinates.getY(),
marker.getLabelTextAnchor());
}
g2.setComposite(originalComposite);
}
}
/**
* Calculates the (x, y) coordinates for drawing a marker label.
*
* @param g2
* the graphics device.
* @param orientation
* the plot orientation.
* @param dataArea
* the data area.
* @param markerArea
* the rectangle surrounding the marker area.
* @param markerOffset
* the marker label offset.
* @param labelOffsetType
* the label offset type.
* @param anchor
* the label anchor.
*
* @return The coordinates for drawing the marker label.
*/
protected Point2D calculateDomainMarkerTextAnchorPoint(Graphics2D g2,
PlotOrientation orientation, Rectangle2D dataArea,
Rectangle2D markerArea, RectangleInsets markerOffset,
LengthAdjustmentType labelOffsetType, RectangleAnchor anchor) {
Rectangle2D anchorRect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
LengthAdjustmentType.CONTRACT, labelOffsetType);
} else if (orientation == PlotOrientation.VERTICAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
labelOffsetType, LengthAdjustmentType.CONTRACT);
}
return RectangleAnchor.coordinates(anchorRect, anchor);
}
}
你是如何预期注释出现在组合图中的?为什么不呢?添加注释的方法在那里,但它们似乎不会引起反应;例如,您是否希望注释出现在两个绘图中?我已经在下面解释了他们为什么不工作,但是在没有进一步信息的情况下无法提出解决方案对不起,格雷厄姆,我没有足够仔细地阅读你的评论。我希望标记会出现在整个组合图上,就像一张透明的纸,覆盖在整个图上。因此,标记也应该出现在子地块和地块之间的间隙中。我将了解如何在XYPlot中实现绘制注释。也许你有个好主意。ThanksHow您是否预期注释会出现在组合图中?为什么不呢?添加注释的方法在那里,但它们似乎不会引起反应;例如,您是否希望注释出现在两个绘图中?我已经在下面解释了他们为什么不工作,但是在没有进一步信息的情况下无法提出解决方案对不起,格雷厄姆,我没有足够仔细地阅读你的评论。我希望标记会出现在整个组合图上,就像一张透明的纸,覆盖在整个图上。因此,标记也应该出现在子地块和地块之间的间隙中。我将了解如何在XYPlot中实现绘制注释。也许你有个好主意。谢谢