poly.addPoint(offsetter.computeXOffset(508, scale), offsetter.computeYOffset(678, scale));
poly.addPoint(offsetter.computeXOffset(574, scale), offsetter.computeYOffset(520, scale));
poly.addPoint(offsetter.computeXOffset(534, scale), offsetter.computeYOffset(546, scale));
poly.addPoint(offsetter.computeXOffset(736, scale), offsetter.computeYOffset(586, scale));
poly.addPoint(offsetter.computeXOffset(702, scale), offsetter.computeYOffset(672, scale));
poly.addPoint(offsetter.computeXOffset(786, scale), offsetter.computeYOffset(758, scale));
poly.addPoint(offsetter.computeXOffset(526, scale), offsetter.computeYOffset(756, scale));
int meanY = (poly.ypoints[1] + poly.ypoints[5]) / 2;
portPolygons.put(meanY, poly); // maybe we should use meanX instead
}