public static BufferedImage createHeatMapImage(HeatMapDataset dataset, PaintScale paintScale)
{
if (dataset == null)
{
string str = "Null 'dataset' argument.";
Throwable.__\u003CsuppressFillInStackTrace\u003E();
throw new IllegalArgumentException(str);
}
else if (paintScale == null)
{
string str = "Null 'paintScale' argument.";
Throwable.__\u003CsuppressFillInStackTrace\u003E();
throw new IllegalArgumentException(str);
}
else
{
int xsampleCount = dataset.getXSampleCount();
int ysampleCount = dataset.getYSampleCount();
BufferedImage bufferedImage = new BufferedImage(xsampleCount, ysampleCount, 2);
Graphics2D graphics = bufferedImage.createGraphics();
for (int i1 = 0; i1 < xsampleCount; ++i1)
{
for (int i2 = 0; i2 < ysampleCount; ++i2)
{
double zvalue = dataset.getZValue(i1, i2);
Paint paint = paintScale.getPaint(zvalue);
graphics.setPaint(paint);
((Graphics) graphics).fillRect(i1, ysampleCount - i2 - 1, 1, 1);
}
}
return bufferedImage;
}
}
public static XYDataset extractColumnFromHeatMapDataset(HeatMapDataset dataset, int column, IComparable seriesName)
{
XYSeries series = new XYSeries(seriesName);
int ysampleCount = dataset.getYSampleCount();
for (int index = 0; index < ysampleCount; ++index)
series.add(dataset.getYValue(index), dataset.getZValue(column, index));
return (XYDataset) new XYSeriesCollection(series);
}
public static XYDataset extractRowFromHeatMapDataset(HeatMapDataset dataset, int row, IComparable seriesName)
{
XYSeries series = new XYSeries(seriesName);
int xsampleCount = dataset.getXSampleCount();
for (int index = 0; index < xsampleCount; ++index)
series.add(dataset.getXValue(index), dataset.getZValue(index, row));
return (XYDataset) new XYSeriesCollection(series);
}
