out.println("<H3>Spatial Index Data</H3>");
TableRowElement columnNames = new TableRowElement();
columnNames.addElement(new TableHeaderElement("Primitive ID"));
columnNames.addElement(new TableHeaderElement("x1"));
columnNames.addElement(new TableHeaderElement("x2"));
columnNames.addElement(new TableHeaderElement("y1"));
columnNames.addElement(new TableHeaderElement("y2"));
for (int i = 0; i < nodesInTree; i++) {
int count = si.getPrimitiveCount(i);
int offset = si.getPrimitiveOffset(i);
DcwSpatialIndex.PrimitiveRecord pr[] = si.getPrimitiveRecords(i);