本文整理汇总了Java中org.jfree.chart.title.TextTitle.setFrame方法的典型用法代码示例。如果您正苦于以下问题：Java TextTitle.setFrame方法的具体用法？Java TextTitle.setFrame怎么用？Java TextTitle.setFrame使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.jfree.chart.title.TextTitle的用法示例。
在下文中一共展示了TextTitle.setFrame方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: setPlotMessage
import org.jfree.chart.title.TextTitle; //导入方法依赖的package包/类
private void setPlotMessage(String messageText) {
chart.getXYPlot().clearAnnotations();
TextTitle tt = new TextTitle(messageText);
tt.setTextAlignment(HorizontalAlignment.RIGHT);
tt.setFont(chart.getLegend().getItemFont());
tt.setBackgroundPaint(new Color(200, 200, 255, 50));
tt.setFrame(new BlockBorder(Color.white));
tt.setPosition(RectangleEdge.BOTTOM);
XYTitleAnnotation message = new XYTitleAnnotation(0.5, 0.5, tt, RectangleAnchor.CENTER);
chart.getXYPlot().addAnnotation(message);
}
示例2: computeCoefficientOfDetermination
import org.jfree.chart.title.TextTitle; //导入方法依赖的package包/类
private void computeCoefficientOfDetermination() {
int numberOfItems = scatterpointsDataset.getSeries(0).getItemCount();
double arithmeticMeanOfX = 0; //arithmetic mean of X
double arithmeticMeanOfY = 0; //arithmetic mean of Y
double varX = 0; //variance of X
double varY = 0; //variance of Y
double coVarXY = 0; //covariance of X and Y;
//compute arithmetic means
for (int i = 0; i < numberOfItems; i++) {
arithmeticMeanOfX += scatterpointsDataset.getXValue(0, i);
arithmeticMeanOfY += scatterpointsDataset.getYValue(0, i);
}
arithmeticMeanOfX /= numberOfItems;
arithmeticMeanOfY /= numberOfItems;
//compute variances and covariance
for (int i = 0; i < numberOfItems; i++) {
varX += Math.pow(scatterpointsDataset.getXValue(0, i) - arithmeticMeanOfX, 2);
varY += Math.pow(scatterpointsDataset.getYValue(0, i) - arithmeticMeanOfY, 2);
coVarXY += (scatterpointsDataset.getXValue(0, i) - arithmeticMeanOfX) * (scatterpointsDataset.getYValue(0,
i) -
arithmeticMeanOfY);
}
//computation of coefficient of determination
double r2 = Math.pow(coVarXY, 2) / (varX * varY);
r2 = MathUtils.round(r2, Math.pow(10.0, 5));
final double[] coefficients = Regression.getOLSRegression(scatterpointsDataset, 0);
final double intercept = coefficients[0];
final double slope = coefficients[1];
final String linearEquation;
if (intercept >= 0) {
linearEquation = "y = " + (float) slope + "x + " + (float) intercept;
} else {
linearEquation = "y = " + (float) slope + "x - " + Math.abs((float) intercept);
}
TextTitle tt = new TextTitle(linearEquation + "\nR² = " + r2);
tt.setTextAlignment(HorizontalAlignment.RIGHT);
tt.setFont(chart.getLegend().getItemFont());
tt.setBackgroundPaint(new Color(200, 200, 255, 100));
tt.setFrame(new BlockBorder(Color.white));
tt.setPosition(RectangleEdge.BOTTOM);
r2Annotation = new XYTitleAnnotation(0.98, 0.02, tt,
RectangleAnchor.BOTTOM_RIGHT);
r2Annotation.setMaxWidth(0.48);
getPlot().addAnnotation(r2Annotation);
}