private S2Loop makeCellLoop(S2CellId begin, S2CellId end)
{
// Construct a CCW polygon whose boundary is the union of the cell ids
// in the range [begin, end). We Add the edges one by one, removing
// any edges that are already present in the opposite direction.
IDictionary <S2Point, ISet <S2Point> > edges = new Dictionary <S2Point, ISet <S2Point> >();
for (var id = begin; !id.Equals(end); id = id.Next)
{
var cell = new S2Cell(id);
for (var k = 0; k < 4; ++k)
{
var a = cell.GetVertex(k);
var b = cell.GetVertex((k + 1) & 3);
if (!edges.ContainsKey(b))
{
edges.Add(b, new HashSet <S2Point>());
}
// if a is in b's set, remove it and remove b's set if it's empty
// otherwise, Add b to a's set
if (!edges[b].Remove(a))
{
if (!edges.ContainsKey(a))
{
edges.Add(a, new HashSet <S2Point>());
}
edges[a].Add(b);
}
else if (edges[b].Count == 0)
{
edges.Remove(b);
}
}
}
// The remaining edges form a single loop. We simply follow it starting
// at an arbitrary vertex and build up a list of vertices.
var vertices = new List <S2Point>();
//S2Point p = edges.keySet().iterator().next();
var p = edges.Keys.First();
while (edges.Any())
{
assertEquals(1, edges[p].Count);
var next = edges[p].First();
//S2Point next = edges[p].iterator().next();
vertices.Add(p);
edges.Remove(p);
p = next;
}
return(new S2Loop(vertices));
}
public void testContains()
{
assertTrue(candyCane.Contains(S2LatLng.FromDegrees(5, 71).ToPoint()));
for (var i = 0; i < 4; ++i)
{
assertTrue(northHemi.Contains(new S2Point(0, 0, 1)));
assertTrue(!northHemi.Contains(new S2Point(0, 0, -1)));
assertTrue(!southHemi.Contains(new S2Point(0, 0, 1)));
assertTrue(southHemi.Contains(new S2Point(0, 0, -1)));
assertTrue(!westHemi.Contains(new S2Point(0, 1, 0)));
assertTrue(westHemi.Contains(new S2Point(0, -1, 0)));
assertTrue(eastHemi.Contains(new S2Point(0, 1, 0)));
assertTrue(!eastHemi.Contains(new S2Point(0, -1, 0)));
northHemi = rotate(northHemi);
southHemi = rotate(southHemi);
eastHemi = rotate(eastHemi);
westHemi = rotate(westHemi);
}
// This code checks each cell vertex is contained by exactly one of
// the adjacent cells.
for (var level = 0; level < 3; ++level)
{
var loops = new List <S2Loop>();
var loopVertices = new List <S2Point>();
ISet <S2Point> points = new HashSet <S2Point>();
for (var id = S2CellId.Begin(level); !id.Equals(S2CellId.End(level)); id = id.Next)
{
var cell = new S2Cell(id);
points.Add(cell.Center);
for (var k = 0; k < 4; ++k)
{
loopVertices.Add(cell.GetVertex(k));
points.Add(cell.GetVertex(k));
}
loops.Add(new S2Loop(loopVertices));
loopVertices.Clear();
}
foreach (var point in points)
{
var count = 0;
for (var j = 0; j < loops.Count; ++j)
{
if (loops[j].Contains(point))
{
++count;
}
}
assertEquals(count, 1);
}
}
}
public List <S2CellId> GetS2CellIds(ushort level, int maxCells)
{
//var geofence = Geofence.FromMultiPolygon(this);
var bbox = GetBoundingBox();
var regionCoverer = new S2RegionCoverer
{
MinLevel = level,
MaxLevel = level,
MaxCells = maxCells,
};
var region = new S2LatLngRect(
S2LatLng.FromDegrees(bbox.MinimumLatitude, bbox.MinimumLongitude),
S2LatLng.FromDegrees(bbox.MaximumLatitude, bbox.MaximumLongitude)
);
var coverage = new List <S2CellId>();
regionCoverer.GetCovering(region, coverage);
var result = new List <S2CellId>();
foreach (var cellId in coverage)
{
var cell = new S2Cell(cellId);
for (var i = 0; i <= 3; i++)
{
var vertex = cell.GetVertex(i);
var coord = new S2LatLng(new S2Point(vertex.X, vertex.Y, vertex.Z));
//if (geofence.Intersects(coord.LatDegrees, coord.LngDegrees))
if (GeofenceService.InPolygon(this, coord.LatDegrees, coord.LngDegrees))
{
result.Add(cellId);
}
}
}
return(result);
}
public static void DrawS2Cells(List <ulong> cellsIds, GMapOverlay mapLayer)
{
for (var i = 0; i < cellsIds.Count; i++)
{
var cellId = new S2CellId((ulong)i);
var cell = new S2Cell(cellId);
var points = new List <PointLatLng>();
for (var j = 0; j < 4; j++)
{
var point = new S2LatLng(cell.GetVertex(j));
points.Add(new PointLatLng(point.LatDegrees, point.LngDegrees));
}
var polygon = new GMapPolygon(points, "mypolygon");
polygon.Fill = new SolidBrush(Color.FromArgb(50, Color.Red));
polygon.Stroke = new Pen(Color.Red, 1);
mapLayer.Polygons.Add(polygon);
}
}
public static void DrawS2Cells(List<ulong> cellsIds, GMapOverlay mapLayer)
{
for (int i=0; i<cellsIds.Count; i++)
{
S2CellId cellId = new S2CellId(cellsIds[i]);
S2Cell cell = new S2Cell(cellId);
List<PointLatLng> points = new List<PointLatLng>();
for (int j=0; j<4; j++)
{
S2LatLng point = new S2LatLng(cell.GetVertex(j));
points.Add(new PointLatLng(point.LatDegrees, point.LngDegrees));
}
GMapPolygon polygon = new GMapPolygon(points, "mypolygon");
polygon.Fill = new SolidBrush(Color.FromArgb(50, Color.Red));
polygon.Stroke = new Pen(Color.Red, 1);
mapLayer.Polygons.Add(polygon);
}
}
public dynamic GetWebhookValues(string type)
{
var s2cell = new S2Cell(new S2CellId((ulong)Id));
var polygon = new List <List <double> >();
for (var i = 0; i <= 3; i++)
{
var vertex = s2cell.GetVertex(i);
var coord = new S2LatLng(vertex);
polygon.Add(new List <double> {
coord.LatDegrees,
coord.LngDegrees
});
}
return(new
{
type = "weather",
message = new
{
s2_cell_id = Id,
latitude = Latitude,
longitude = Longitude,
polygon = polygon,
gameplay_condition = (ushort)GameplayCondition,
wind_direction = WindDirection,
cloud_level = CloudLevel,
rain_level = RainLevel,
wind_level = WindLevel,
snow_level = SnowLevel,
fog_level = FogLevel,
special_effect_level = SpecialEffectLevel,
severity = Severity,
warn_weather = WarnWeather,
updated = Updated,
},
});
}
private S2Loop makeCellLoop(S2CellId begin, S2CellId end)
{
// Construct a CCW polygon whose boundary is the union of the cell ids
// in the range [begin, end). We Add the edges one by one, removing
// any edges that are already present in the opposite direction.
IDictionary<S2Point, ISet<S2Point>> edges = new Dictionary<S2Point, ISet<S2Point>>();
for (var id = begin; !id.Equals(end); id = id.Next)
{
var cell = new S2Cell(id);
for (var k = 0; k < 4; ++k)
{
var a = cell.GetVertex(k);
var b = cell.GetVertex((k + 1) & 3);
if (!edges.ContainsKey(b))
{
edges.Add(b, new HashSet<S2Point>());
}
// if a is in b's set, remove it and remove b's set if it's empty
// otherwise, Add b to a's set
if (!edges[b].Remove(a))
{
if (!edges.ContainsKey(a))
{
edges.Add(a, new HashSet<S2Point>());
}
edges[a].Add(b);
}
else if (edges[b].Count == 0)
{
edges.Remove(b);
}
}
}
// The remaining edges form a single loop. We simply follow it starting
// at an arbitrary vertex and build up a list of vertices.
var vertices = new List<S2Point>();
//S2Point p = edges.keySet().iterator().next();
var p = edges.Keys.First();
while (edges.Any())
{
assertEquals(1, edges[p].Count);
var next = edges[p].First();
//S2Point next = edges[p].iterator().next();
vertices.Add(p);
edges.Remove(p);
p = next;
}
return new S2Loop(vertices);
}
public void testContains()
{
assertTrue(candyCane.Contains(S2LatLng.FromDegrees(5, 71).ToPoint()));
for (var i = 0; i < 4; ++i)
{
assertTrue(northHemi.Contains(new S2Point(0, 0, 1)));
assertTrue(!northHemi.Contains(new S2Point(0, 0, -1)));
assertTrue(!southHemi.Contains(new S2Point(0, 0, 1)));
assertTrue(southHemi.Contains(new S2Point(0, 0, -1)));
assertTrue(!westHemi.Contains(new S2Point(0, 1, 0)));
assertTrue(westHemi.Contains(new S2Point(0, -1, 0)));
assertTrue(eastHemi.Contains(new S2Point(0, 1, 0)));
assertTrue(!eastHemi.Contains(new S2Point(0, -1, 0)));
northHemi = rotate(northHemi);
southHemi = rotate(southHemi);
eastHemi = rotate(eastHemi);
westHemi = rotate(westHemi);
}
// This code checks each cell vertex is contained by exactly one of
// the adjacent cells.
for (var level = 0; level < 3; ++level)
{
var loops = new List<S2Loop>();
var loopVertices = new List<S2Point>();
ISet<S2Point> points = new HashSet<S2Point>();
for (var id = S2CellId.Begin(level); !id.Equals(S2CellId.End(level)); id = id.Next)
{
var cell = new S2Cell(id);
points.Add(cell.Center);
for (var k = 0; k < 4; ++k)
{
loopVertices.Add(cell.GetVertex(k));
points.Add(cell.GetVertex(k));
}
loops.Add(new S2Loop(loopVertices));
loopVertices.Clear();
}
foreach (var point in points)
{
var count = 0;
for (var j = 0; j < loops.Count; ++j)
{
if (loops[j].Contains(point))
{
++count;
}
}
assertEquals(count, 1);
}
}
}
async void Load_Click(object sender, RoutedEventArgs e)
{
var picker = new Windows.Storage.Pickers.FileOpenPicker();
picker.ViewMode = Windows.Storage.Pickers.PickerViewMode.Thumbnail;
picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.PicturesLibrary;
picker.FileTypeFilter.Add(".geojson");
picker.FileTypeFilter.Add(".geoJSON");
picker.FileTypeFilter.Add(".csv");
Windows.Storage.StorageFile file = await picker.PickSingleFileAsync();
if (file != null)
{
try
{
using (StreamReader sr = new StreamReader(file.Path))
{
string content = sr.ReadToEnd();
if (file.FileType == ".csv")
{
string[] lines = content.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
var item = lines[i];
if (String.IsNullOrWhiteSpace(item))
{
continue;
}
string[] info = item.Split(',');
double lat = 0;
double lon = 0;
if (!Double.TryParse(info[info.Length - 2], out lon) || !Double.TryParse(info[info.Length - 3], out lat))
{
if (i == 0)
{
continue;
}
var messageDialog = new MessageDialog("Zeile " + i + " (" + item + ") hat nicht das richtige Format!");
messageDialog.Commands.Add(new UICommand("OK", new UICommandInvokedHandler(this.CommandInvokedHandler)));
messageDialog.DefaultCommandIndex = 0;
messageDialog.Title = "Fehlerhafte Datei";
await messageDialog.ShowAsync();
return;
}
StringBuilder sb = new StringBuilder("");
for (int j = 0; j < info.Length - 3; j++)
{
sb.Append(info[j]);
}
PointOfInterest poi = new PointOfInterest()
{
Location = new Geopoint(new BasicGeoposition()
{
Latitude = lat, Longitude = lon
}),
DisplayName = sb.ToString(),
NormalizedAnchorPoint = AnchorPoints[2],
Flag = PointOfInterest.PORTAL,
Leaf = FindExactCell(new BasicGeoposition()
{
Latitude = lat, Longitude = lon
}, 30).Id.Id
};
portals.Add(poi);
//DataAccess.AddData(poi);
}
}
else
{
var features = JsonConvert.DeserializeObject <FeatureCollection>(content).Features;
foreach (var p in features)
{
double lon = ((Point)p.Geometry).Coordinates.Longitude;
double lat = ((Point)p.Geometry).Coordinates.Latitude;
int flag = PointOfInterest.PORTAL;
if (p.Properties.ContainsKey("Flag"))
{
flag = (int)p.Properties["Flag"];
}
PointOfInterest poi = new PointOfInterest()
{
Location = new Geopoint(new BasicGeoposition()
{
Latitude = lat, Longitude = lon
}),
DisplayName = (string)p.Properties["name"],
NormalizedAnchorPoint = AnchorPoints[flag],
Flag = flag,
Leaf = FindExactCell(new BasicGeoposition()
{
Latitude = lat, Longitude = lon
}, 30).Id.Id
};
portals.Add(poi);
//DataAccess.AddData(poi);
}
}
AddLayers();
}
}
catch (UnauthorizedAccessException)
{
Windows.Storage.StorageFolder installedLocation = Windows.ApplicationModel.Package.Current.InstalledLocation;
var messageDialog = new MessageDialog("Zugriff auf den Pfad " + file.Path +
" wurde verweigert.\nBitte gewähren Sie Zugriff unter \n\nEinstellungen -> Privatsphäre -> Dateisystem\n\noder bewegen Sie die Datei an diesen Ort:\n"
+ installedLocation.Path);
messageDialog.Commands.Add(new UICommand("OK", new UICommandInvokedHandler(this.CommandInvokedHandler)));
messageDialog.DefaultCommandIndex = 0;
messageDialog.Title = "Keine Zugriffsrechte";
await messageDialog.ShowAsync();
return;
}
// outermost bounds
double maxLat = -360;
double maxLon = -360;
double minLat = 360;
double minLon = 360;
// Find out all Lvl17 cells
foreach (var p in portals)
{
double lat = p.Location.Position.Latitude;
double lon = p.Location.Position.Longitude;
if (lon < minLon)
{
minLon = lon;
}
if (lon > maxLon)
{
maxLon = lon;
}
if (lat < minLat)
{
minLat = lat;
}
if (lat > maxLat)
{
maxLat = lat;
}
var cell = FindExactCell(p.Location.Position, 17);
MapPolygon polygon = new MapPolygon
{
Path = new Geopath(new List <BasicGeoposition>()
{
FromS2Point(cell.GetVertex(0)),
FromS2Point(cell.GetVertex(1)),
FromS2Point(cell.GetVertex(2)),
FromS2Point(cell.GetVertex(3))
}),
ZIndex = 1,
FillColor = Color.FromArgb(50, 50, 50, 50),
StrokeColor = Colors.Black,
StrokeThickness = 2,
StrokeDashed = false
};
lvl17Cells.Add(polygon);
AddCell(polygon);
}
// Find out Lvl14 cells
var area = S2LatLngRect.FromPointPair(
S2LatLng.FromDegrees(minLat, minLon),
S2LatLng.FromDegrees(maxLat, maxLon)
);
var cells14 = new List <S2CellId>();
lvl14Coverer.GetCovering(area, cells14);
for (int i = 0; i < cells14.Count; i++)
{
S2Cell cell = new S2Cell(cells14[i]);
MapPolygon polygon = new MapPolygon
{
Path = new Geopath(new List <BasicGeoposition>()
{
FromS2Point(cell.GetVertex(0)),
FromS2Point(cell.GetVertex(1)),
FromS2Point(cell.GetVertex(2)),
FromS2Point(cell.GetVertex(3))
}),
ZIndex = 1,
FillColor = Color.FromArgb(50, 0, 0, 50),
StrokeColor = Colors.Blue,
StrokeThickness = 2,
StrokeDashed = false
};
lvl14Cells.Add(polygon);
AddCell(polygon);
}
BasicGeoposition newCenter = new BasicGeoposition();
newCenter.Latitude = (minLat + maxLat) / 2;
newCenter.Longitude = (minLon + maxLon) / 2;
PokeMap.Center = new Geopoint(newCenter);
}
}