How to use

getStartBoundary

method

in

org.jfree.data.statistics.HistogramBin

/**
 * Returns the start value for a bin.
 *
 * @param series  the series index (in the range <code>0</code> to
 *     <code>getSeriesCount() - 1</code>).
 * @param item  the item index (zero based).
 *
 * @return The start value.
 *
 * @throws IndexOutOfBoundsException if <code>series</code> is outside the
 *     specified range.
 */
public Number getStartX(int series, int item) {
  List bins = getBins(series);
  HistogramBin bin = (HistogramBin) bins.get(item);
  return new Double(bin.getStartBoundary());
}

/**
 * Returns the start value for a bin.
 *
 * @param series  the series index (in the range {@code 0} to
 *     {@code getSeriesCount() - 1}).
 * @param item  the item index (zero based).
 *
 * @return The start value.
 *
 * @throws IndexOutOfBoundsException if {@code series} is outside the
 *     specified range.
 */
@Override
public Number getStartX(int series, int item) {
  List bins = getBins(series);
  HistogramBin bin = (HistogramBin) bins.get(item);
  return new Double(bin.getStartBoundary());
}

/**
* Returns the start value for a bin.
*
* @param series  the series index (in the range <code>0</code> to
*     <code>getSeriesCount() - 1</code>).
* @param item  the item index (zero based).
*
* @return The start value.
*
* @throws IndexOutOfBoundsException if <code>series</code> is outside the
*     specified range.
*/
public Number getStartX(int series, int item)
{
 List bins = getBins(series);
 HistogramBin bin = (HistogramBin)bins.get(item);
 return new Double(bin.getStartBoundary());
}

/**
 * Returns the X value for a bin.  This value won't be used for plotting
 * histograms, since the renderer will ignore it.  But other renderers can
 * use it (for example, you could use the dataset to create a line
 * chart).
 *
 * @param series  the series index (in the range <code>0</code> to
 *     <code>getSeriesCount() - 1</code>).
 * @param item  the item index (zero based).
 *
 * @return The start value.
 *
 * @throws IndexOutOfBoundsException if <code>series</code> is outside the
 *     specified range.
 */
public Number getX(int series, int item) {
  List bins = getBins(series);
  HistogramBin bin = (HistogramBin) bins.get(item);
  double x = (bin.getStartBoundary() + bin.getEndBoundary()) / 2.;
  return new Double(x);
}

/**
 * Returns the X value for a bin.  This value won't be used for plotting
 * histograms, since the renderer will ignore it.  But other renderers can
 * use it (for example, you could use the dataset to create a line
 * chart).
 *
 * @param series  the series index (in the range {@code 0} to
 *     {@code getSeriesCount() - 1}).
 * @param item  the item index (zero based).
 *
 * @return The start value.
 *
 * @throws IndexOutOfBoundsException if {@code series} is outside the
 *     specified range.
 */
@Override
public Number getX(int series, int item) {
  List bins = getBins(series);
  HistogramBin bin = (HistogramBin) bins.get(item);
  double x = (bin.getStartBoundary() + bin.getEndBoundary()) / 2.;
  return new Double(x);
}

/**
* Returns the X value for a bin.  This value won't be used for plotting
* histograms, since the renderer will ignore it.  But other renderers can
* use it (for example, you could use the dataset to create a line
* chart).
*
* @param series  the series index (in the range <code>0</code> to
*     <code>getSeriesCount() - 1</code>).
* @param item  the item index (zero based).
*
* @return The start value.
*
* @throws IndexOutOfBoundsException if <code>series</code> is outside the
*     specified range.
*/
public Number getX(int series, int item)
{
 List bins = getBins(series);
 HistogramBin bin = (HistogramBin)bins.get(item);
 double x = (bin.getStartBoundary() + bin.getEndBoundary()) / 2D;
 return new Double(x);
}

/**
* Synchronize values to bins. Compute bins values.
*
* @param bins   List of bins.
* @param values List of values.
*/
private void synchronizeValuesAndBins(List bins, List values)
{
 ListIterator iterBins = bins.listIterator(0);
 ListIterator iterValues = values.listIterator();
 HistogramBin bin;
 for (; iterBins.hasNext(); iterBins.set(
    new HistogramBin(bin.getStartBoundary(), bin.getEndBoundary())))
   bin = (HistogramBin)iterBins.next();
 iterBins = bins.listIterator(0);
 while (iterValues.hasNext()) {
   double currentValue = ((Double)iterValues.next()).doubleValue();
   boolean continu = true;
   iterBins = bins.listIterator(0);
   while (continu && iterBins.hasNext()) {
    HistogramBin tempBin = (HistogramBin)iterBins.next();
    if (currentValue >= tempBin.getStartBoundary() &&
      currentValue <  tempBin.getEndBoundary()) {
      tempBin.incrementCount();
      continu = false;
    }
   }
 }
}

double currentMargin;
currentBin = (HistogramBin)iter.next();
currentMargin = ((margin*(currentBin.getEndBoundary()-currentBin.getStartBoundary())))*XScale;
if ((currentBin.getStartBoundary() >= xmin && currentBin.getStartBoundary() <= xmax)
  && (currentBin.getCount() >= ymin && currentBin.getCount() <= ymax) )
   formatter.format("\\filldraw [line width=%.2fpt, opacity=%.2f, color=%s] ([xshift=%.4f] %.4f, %.4f) rectangle ([xshift=-%.4f] %.4f, %.4f); %%%n",
      lineWidth[i], (color.getAlpha()/255.0), colorString,
      currentMargin, (currentBin.getStartBoundary()-XShift)*XScale, 0.0,
      currentMargin, (var-XShift)*XScale, (currentBin.getCount()-YShift)*YScale);
   formatter.format("\\draw [line width=%.2fpt, color=%s] ([xshift=%.4f] %.4f, %.4f) rectangle ([xshift=-%.4f] %.4f, %.4f); %%%n",
      lineWidth[i], colorString,
      currentMargin, (currentBin.getStartBoundary()-XShift)*XScale, 0.0,
      currentMargin, (var-XShift)*XScale, (currentBin.getCount()-YShift)*YScale);
else if (   (currentBin.getStartBoundary() >= xmin && currentBin.getStartBoundary() <= xmax)
      && (currentBin.getCount() >= ymin && currentBin.getCount() > ymax) )
   formatter.format("\\filldraw [line width=%.2fpt,  opacity=%.2f, color=%s] ([xshift=%.4f] %.4f, %.4f) rectangle ([xshift=-%.4f] %.4f, %.4f); %%%n",
      lineWidth[i], (color.getAlpha()/255.0), colorString,
      currentMargin, (currentBin.getStartBoundary()-XShift)*XScale, 0.0,
      currentMargin, (var-XShift)*XScale, (ymax-YShift)*YScale);
   formatter.format("\\draw [line width=%.2fpt, color=%s, style=dotted] ([xshift=%.4f] %.4f, %.4f) rectangle ([yshift=3mm, xshift=-%.4f] %.4f, %.4f); %%%n",
      lineWidth[i], colorString,
      currentMargin, (currentBin.getStartBoundary()-XShift)*XScale, (ymax-YShift)*YScale,
      currentMargin, (var-XShift)*XScale, (ymax-YShift)*YScale);
   formatter.format("\\draw [line width=%.2fpt, color=%s] ([xshift=%.4f] %.4f, %.4f) rectangle ([xshift=-%.4f] %.4f, %.4f); %%%n",

HistogramBin prec = (HistogramBin)binsIter.next();
double var;
newTicks.add(prec.getStartBoundary());
newTicks.add(var = prec.getEndBoundary());
HistogramBin temp;
while(binsIter.hasNext()) {
 temp = (HistogramBin)binsIter.next();
 if(temp.getStartBoundary() != var) {
   newTicks.add(var = temp.getStartBoundary());
 } else if(temp.getEndBoundary() != var) {
   newTicks.add(var = temp.getEndBoundary());