src/org/tiefaces/components/websheet/chart/ChartHelper.java
private void initAnchorsMap(final Workbook wb,
			final ChartsData chartsData) {
		try {
			if (wb instanceof XSSFWorkbook) {
				ChartUtility.initXSSFAnchorsMap((XSSFWorkbook) wb,
						chartsData);
			}
		} catch (Exception e) {
			LOG.log(Level.SEVERE,
					"Web Form getAnchorsMap Error Exception = "
							+ e.getLocalizedMessage(),
					e);
		}
	}
private void initAnchorsMap(final Workbook wb,
			final ChartsData chartsData) {
		try {
			if (wb instanceof XSSFWorkbook) {
				ChartUtility.initXSSFAnchorsMap((XSSFWorkbook) wb,
						chartsData);
			}
		} catch (Exception e) {
			LOG.log(Level.SEVERE,
					"Web Form getAnchorsMap Error Exception = "
							+ e.getLocalizedMessage(),
					e);
		}
	}
initial anchors map for specified workbook. Excel put the chart position
information in draw.xml instead of chart.xml. anchors map contains the
information getting from draw.xml.

@param wb
specified workbook.
@param chartsData
the charts data