How to use

appendPreset

method

in

org.apache.sis.io.wkt.Formatter

/**
 * Appends the given geographic bounding box in a {@code BBOX[…]} element.
 * Longitude and latitude values will be formatted in decimal degrees.
 * Longitudes are relative to the Greenwich meridian, with values increasing toward East.
 * Latitudes values are increasing toward North.
 *
 * <div class="section">Numerical precision</div>
 * The ISO 19162 standards recommends to format those values with only 2 decimal digits.
 * This is because {@code GeographicBoundingBox} does not specify the datum, so this box
 * is an approximated information only.
 *
 * @param  bbox  the geographic bounding box to append to the WKT, or {@code null}.
 * @param  fractionDigits  the number of fraction digits to use. The recommended value is 2.
 */
public void append(final GeographicBoundingBox bbox, final int fractionDigits) {
  if (bbox != null) {
    openElement(isComplement, WKTKeywords.BBox);
    setColor(ElementKind.EXTENT);
    numberFormat.setMinimumFractionDigits(fractionDigits);
    numberFormat.setMaximumFractionDigits(fractionDigits);
    numberFormat.setRoundingMode(RoundingMode.FLOOR);
    appendPreset(bbox.getSouthBoundLatitude());
    appendPreset(bbox.getWestBoundLongitude());
    numberFormat.setRoundingMode(RoundingMode.CEILING);
    appendPreset(bbox.getNorthBoundLatitude());
    appendPreset(bbox.getEastBoundLongitude());
    resetColor();
    closeElement(isComplement);
  }
}

/**
 * Appends the given geographic bounding box in a {@code BBOX[…]} element.
 * Longitude and latitude values will be formatted in decimal degrees.
 * Longitudes are relative to the Greenwich meridian, with values increasing toward East.
 * Latitudes values are increasing toward North.
 *
 * <div class="section">Numerical precision</div>
 * The ISO 19162 standards recommends to format those values with only 2 decimal digits.
 * This is because {@code GeographicBoundingBox} does not specify the datum, so this box
 * is an approximative information only.
 *
 * @param  bbox  the geographic bounding box to append to the WKT, or {@code null}.
 * @param  fractionDigits  the number of fraction digits to use. The recommended value is 2.
 */
public void append(final GeographicBoundingBox bbox, final int fractionDigits) {
  if (bbox != null) {
    openElement(isComplement, WKTKeywords.BBox);
    setColor(ElementKind.EXTENT);
    numberFormat.setMinimumFractionDigits(fractionDigits);
    numberFormat.setMaximumFractionDigits(fractionDigits);
    numberFormat.setRoundingMode(RoundingMode.FLOOR);
    appendPreset(bbox.getSouthBoundLatitude());
    appendPreset(bbox.getWestBoundLongitude());
    numberFormat.setRoundingMode(RoundingMode.CEILING);
    appendPreset(bbox.getNorthBoundLatitude());
    appendPreset(bbox.getEastBoundLongitude());
    resetColor();
    closeElement(isComplement);
  }
}

numberFormat.setMinimumFractionDigits(minimumFractionDigits);
numberFormat.setMaximumFractionDigits(maximumFractionDigits);
numberFormat.setRoundingMode(RoundingMode.FLOOR);   appendPreset(min);
numberFormat.setRoundingMode(RoundingMode.CEILING); appendPreset(max);
final Unit<?> unit = range.unit();
if (!convention.isSimplified() || !Units.METRE.equals(unit)) {

numberFormat.setMinimumFractionDigits(minimumFractionDigits);
numberFormat.setMaximumFractionDigits(maximumFractionDigits);
numberFormat.setRoundingMode(RoundingMode.FLOOR);   appendPreset(min);
numberFormat.setRoundingMode(RoundingMode.CEILING); appendPreset(max);
final Unit<?> unit = range.unit();
if (!convention.isSimplified() || !Units.METRE.equals(unit)) {