本文整理汇总了Java中org.jfree.data.xy.OHLCDataset.getItemCount方法的典型用法代码示例。如果您正苦于以下问题：Java OHLCDataset.getItemCount方法的具体用法？Java OHLCDataset.getItemCount怎么用？Java OHLCDataset.getItemCount使用的例子？那么恭喜您, 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.data.xy.OHLCDataset的用法示例。
在下文中一共展示了OHLCDataset.getItemCount方法的4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: initialise
import org.jfree.data.xy.OHLCDataset; //导入方法依赖的package包/类
/**
* Initialises the renderer then returns the number of 'passes' through the data that the
* renderer will require (usually just one). This method will be called before the first
* item is rendered, giving the renderer an opportunity to initialise any
* state information it wants to maintain. The renderer can do nothing if it chooses.
*
* @param g2 the graphics device.
* @param dataArea the area inside the axes.
* @param plot the plot.
* @param dataset the data.
* @param info an optional info collection object to return data back to the caller.
*
* @return The number of passes the renderer requires.
*/
public XYItemRendererState initialise(Graphics2D g2,
Rectangle2D dataArea,
XYPlot plot,
XYDataset dataset,
PlotRenderingInfo info) {
// calculate the maximum allowed candle width from the axis...
ValueAxis axis = plot.getDomainAxis();
double x1 = axis.getLowerBound();
double x2 = x1 + this.maxCandleWidthInMilliseconds;
RectangleEdge edge = plot.getDomainAxisEdge();
double xx1 = axis.valueToJava2D(x1, dataArea, edge);
double xx2 = axis.valueToJava2D(x2, dataArea, edge);
this.maxCandleWidth = Math.abs(xx2 - xx1); // Absolute value, since the relative x
// positions are reversed for horizontal orientation
// calculate the highest volume in the dataset...
if (this.drawVolume) {
OHLCDataset highLowDataset = (OHLCDataset) dataset;
this.maxVolume = 0.0;
for (int series = 0; series < highLowDataset.getSeriesCount(); series++) {
for (int item = 0; item < highLowDataset.getItemCount(series); item++) {
double volume = highLowDataset.getVolumeValue(series, item);
if (volume > this.maxVolume) {
this.maxVolume = volume;
}
}
}
}
return new XYItemRendererState(info);
}
示例2: initialise
import org.jfree.data.xy.OHLCDataset; //导入方法依赖的package包/类
/**
* Initialises the renderer then returns the number of 'passes' through the
* data that the renderer will require (usually just one). This method
* will be called before the first item is rendered, giving the renderer
* an opportunity to initialise any state information it wants to maintain.
* The renderer can do nothing if it chooses.
*
* @param g2 the graphics device.
* @param dataArea the area inside the axes.
* @param plot the plot.
* @param dataset the data.
* @param info an optional info collection object to return data back to
* the caller.
*
* @return The number of passes the renderer requires.
*/
public XYItemRendererState initialise(Graphics2D g2,
Rectangle2D dataArea,
XYPlot plot,
XYDataset dataset,
PlotRenderingInfo info) {
// calculate the maximum allowed candle width from the axis...
ValueAxis axis = plot.getDomainAxis();
double x1 = axis.getLowerBound();
double x2 = x1 + this.maxCandleWidthInMilliseconds;
RectangleEdge edge = plot.getDomainAxisEdge();
double xx1 = axis.valueToJava2D(x1, dataArea, edge);
double xx2 = axis.valueToJava2D(x2, dataArea, edge);
this.maxCandleWidth = Math.abs(xx2 - xx1);
// Absolute value, since the relative x
// positions are reversed for horizontal orientation
// calculate the highest volume in the dataset...
if (this.drawVolume) {
OHLCDataset highLowDataset = (OHLCDataset) dataset;
this.maxVolume = 0.0;
for (int series = 0; series < highLowDataset.getSeriesCount();
series++) {
for (int item = 0; item < highLowDataset.getItemCount(series);
item++) {
double volume = highLowDataset.getVolumeValue(series, item);
if (volume > this.maxVolume) {
this.maxVolume = volume;
}
}
}
}
return new XYItemRendererState(info);
}
示例3: initialise
import org.jfree.data.xy.OHLCDataset; //导入方法依赖的package包/类
/**
* Initialises the renderer then returns the number of 'passes' through the
* data that the renderer will require (usually just one). This method
* will be called before the first item is rendered, giving the renderer
* an opportunity to initialise any state information it wants to maintain.
* The renderer can do nothing if it chooses.
*
* @param g2 the graphics device.
* @param dataArea the area inside the axes.
* @param plot the plot.
* @param dataset the data.
* @param info an optional info collection object to return data back to
* the caller.
*
* @return The number of passes the renderer requires.
*/
@Override
public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea,
XYPlot plot, XYDataset dataset, PlotRenderingInfo info) {
// calculate the maximum allowed candle width from the axis...
ValueAxis axis = plot.getDomainAxis();
double x1 = axis.getLowerBound();
double x2 = x1 + this.maxCandleWidthInMilliseconds;
RectangleEdge edge = plot.getDomainAxisEdge();
double xx1 = axis.valueToJava2D(x1, dataArea, edge);
double xx2 = axis.valueToJava2D(x2, dataArea, edge);
this.maxCandleWidth = Math.abs(xx2 - xx1);
// Absolute value, since the relative x
// positions are reversed for horizontal orientation
// calculate the highest volume in the dataset...
if (this.drawVolume) {
OHLCDataset highLowDataset = (OHLCDataset) dataset;
this.maxVolume = 0.0;
for (int series = 0; series < highLowDataset.getSeriesCount();
series++) {
for (int item = 0; item < highLowDataset.getItemCount(series);
item++) {
double volume = highLowDataset.getVolumeValue(series, item);
if (volume > this.maxVolume) {
this.maxVolume = volume;
}
}
}
}
return new XYItemRendererState(info);
}
示例4: initialise
import org.jfree.data.xy.OHLCDataset; //导入方法依赖的package包/类
/**
* Initialises the renderer then returns the number of 'passes' through the
* data that the renderer will require (usually just one). This method
* will be called before the first item is rendered, giving the renderer
* an opportunity to initialise any state information it wants to maintain.
* The renderer can do nothing if it chooses.
*
* @param g2 the graphics device.
* @param dataArea the area inside the axes.
* @param plot the plot.
* @param dataset the data.
* @param info an optional info collection object to return data back to
* the caller.
*
* @return The number of passes the renderer requires.
*/
public XYItemRendererState initialise(Graphics2D g2,
Rectangle2D dataArea,
XYPlot plot,
XYDataset dataset,
PlotRenderingInfo info) {
// calculate the maximum allowed candle width from the axis...
ValueAxis axis = plot.getDomainAxis();
double x1 = axis.getLowerBound();
double x2 = x1 + this.maxCandleWidthInMilliseconds;
RectangleEdge edge = plot.getDomainAxisEdge();
double xx1 = axis.valueToJava2D(x1, dataArea, edge);
double xx2 = axis.valueToJava2D(x2, dataArea, edge);
this.maxCandleWidth = Math.abs(xx2 - xx1);
// Absolute value, since the relative x
// positions are reversed for horizontal orientation
// calculate the highest volume in the dataset...
if (this.drawVolume) {
OHLCDataset highLowDataset = (OHLCDataset) dataset;
this.maxVolume = 0.0;
for (int series = 0; series < highLowDataset.getSeriesCount();
series++) {
for (int item = 0; item < highLowDataset.getItemCount(series);
item++) {
double volume = highLowDataset.getVolumeValue(series, item);
if (volume > this.maxVolume) {
this.maxVolume = volume;
}
}
}
}
return new XYItemRendererState(info);
}