Java 类com.vividsolutions.jts.geom.CoordinateSequenceComparator 实例源码

@Override
protected int compareToSameClass(Object other, CoordinateSequenceComparator comp) {
    Envelope env = (Envelope) other;
    Envelope mbr = this.MBR;
    // compare based on numerical ordering of ordinates
    if (mbr.getMinX() < env.getMinX()) return -1;
    if (mbr.getMinX() > env.getMinX()) return 1;
    if (mbr.getMinY() < env.getMinY()) return -1;
    if (mbr.getMinY() > env.getMinY()) return 1;
    if (mbr.getMaxX() < env.getMaxX()) return -1;
    if (mbr.getMaxX() > env.getMaxX()) return 1;
    if (mbr.getMaxY() < env.getMaxY()) return -1;
    if (mbr.getMaxY() > env.getMaxY()) return 1;
    return 0;
}

void runGeometry(Geometry g, int dimension, int byteOrder, boolean toHex, int srid)
    throws IOException, ParseException
{
  boolean includeSRID = false;
  if (srid >= 0) {
    includeSRID = true;
    g.setSRID(srid);
  }

  WKBWriter wkbWriter = new WKBWriter(dimension, byteOrder, includeSRID);
  byte[] wkb = wkbWriter.write(g);
  String wkbHex = null;
  if (toHex)
    wkbHex = WKBWriter.toHex(wkb);

  if (toHex)
    wkb = WKBReader.hexToBytes(wkbHex);
  Geometry g2 = wkbReader.read(wkb);

  CoordinateSequenceComparator comp = (dimension == 2) ? comp2 : comp3;
  boolean isEqual = (g.compareTo(g2, comp) == 0);
  assertTrue(isEqual);

  if (includeSRID) {
    boolean isSRIDEqual = g.getSRID() == g2.getSRID();
    assertTrue(isSRIDEqual);
  }
}

@Override
protected int compareToSameClass(final Object o, final CoordinateSequenceComparator comp) {
    final DynamicLineString line = (DynamicLineString) o;
    return comp.compare(getCoordinateSequence(), line.getCoordinateSequence());
}