private static IEnumerable <SuburbBoundary> GetBoundaries(IEnumerable <OpenDataSuburb> sameNameSuburbs)
{
var suburbList = sameNameSuburbs.ToList();
if (suburbList.Count <= 1)
{
return new[] { CreateSuburbBoundary(suburbList) }
}
;
var idSuburbs = suburbList.GroupBy(x => x.Id).Select(x => x.ToList()).ToList();
if (idSuburbs.Count <= 1)
{
return new[] { CreateSuburbBoundary(suburbList) }
}
;
var boundaries = idSuburbs.Select(suburbs =>
{
var boundary = CreateSuburbBoundary(suburbs);
return(LastUpdateTime: suburbs.First().UpdateDate, Boundary: boundary,
GeoArea: GeoArea.FromGeoPoints(boundary.Boundary.Polygons.SelectMany(x => x)));
}).OrderByDescending(x => x.LastUpdateTime);
return(GetNoneOverlappedBoundaries(boundaries));
}
public void TestFromGeoPoints()
{
var area = GeoArea.FromGeoPoints(new[] { new GeoPoint(1, 2), new GeoPoint(2, 1), new GeoPoint(2, 3) });
Assert.AreEqual(new GeoPoint(1, 1), area.SouthWest);
Assert.AreEqual(new GeoPoint(2, 3), area.NorthEast);
}
private static GeoIndexes GetGeoIndexes(Boundary boundary, Distance resolution)
{
var area = GeoArea.FromGeoPoints(boundary.Polygons.Concat(boundary.ExcludePolygons).SelectMany(x => x));
return(new GeoIndexes(area.SouthWest, area.NorthEast, resolution));
}