src/org/tiefaces/components/websheet/utility/ChartUtility.java
public static void initXSSFAnchorsMap(final XSSFWorkbook wb,
            final ChartsData charsData) {

        Map<String, ClientAnchor> anchortMap = charsData
                .getChartAnchorsMap();
        Map<String, String> positionMap = charsData.getChartPositionMap();
        anchortMap.clear();
        positionMap.clear();
        for (int i = 0; i < wb.getNumberOfSheets(); i++) {
            initXSSFAnchorsMapForSheet(anchortMap, positionMap,
                    wb.getSheetAt(i));
        }
    }
public static void initXSSFAnchorsMap(final XSSFWorkbook wb,
            final ChartsData charsData) {

        Map<String, ClientAnchor> anchortMap = charsData
                .getChartAnchorsMap();
        Map<String, String> positionMap = charsData.getChartPositionMap();
        anchortMap.clear();
        positionMap.clear();
        for (int i = 0; i < wb.getNumberOfSheets(); i++) {
            initXSSFAnchorsMapForSheet(anchortMap, positionMap,
                    wb.getSheetAt(i));
        }
    }
retrieve anchor information from draw.xml for all the charts in the
workbook. then save them to anchors map.

@param wb
workbook.
@param charsData
the chars data