/**
* Overrides {@linkplain GridFeatureBuilder#setAttributes(GridElement, Map)} to assign a
* sequential integer id value to each grid element feature as it is constructed.
*
* @param el the element from which the new feature is being constructed
* @param attributes a {@code Map} with the single key "id"
*/
@Override
public void setAttributes(GridElement ge, Map<String, Object> attributes) {
PolygonElement pe = (PolygonElement) ge;
attributes.put("id", id);
attributes.put("centerX", pe.getCenter().x);
attributes.put("centerY", pe.getCenter().y);
}
@Test
public void getCenter() {
PolygonElement oblong = new OblongImpl(MINX, MINY, WIDTH, HEIGHT, null);
Coordinate expected = new Coordinate(WIDTH / 2 + MINX, HEIGHT / 2 + MINY);
assertCoordinate(expected, oblong.getCenter());
}