public void checkValidity() {
final Coordinate[] coords = new Coordinate[getFaceOrder() + 1];
final WB_Point point = geometryfactory.createPoint();
final WB_Map2D context = geometryfactory.createEmbeddedPlane(getPlane());
HE_Halfedge he = _halfedge;
int i = 0;
do {
context.mapPoint3D(he.getVertex(), point);
coords[i] = new Coordinate(point.xd(), point.yd(), i);
he = he.getNextInFace();
i++;
} while (he != _halfedge);
context.mapPoint3D(he.getVertex(), point);
coords[i] = new Coordinate(point.xd(), point.yd(), i);
he = he.getNextInFace();
final Polygon inputPolygon = new GeometryFactory().createPolygon(coords);
final IsValidOp isValidOp = new IsValidOp(inputPolygon);
if (!IsValidOp.isValid(inputPolygon)) {
System.out.println(this);
System.out.println(this.getFaceArea() + " " + this.getFaceNormal());
he = _halfedge;
i = 0;
do {
System.out.println(" " + i + ": " + he.getVertex());
he = he.getNextInFace();
i++;
} while (he != _halfedge);
System.out.println(isValidOp.getValidationError());
}
}
