private RectangleShape GetBoundingBox(Feature tmpFeature)
{
if (tmpFeature.GetWellKnownType() == WellKnownType.Point)
{
PointShape point = (PointShape)tmpFeature.GetShape();
return(point.Buffer(2, map.MapUnit, DistanceUnit.Kilometer).GetBoundingBox());
}
else
{
return(tmpFeature.GetBoundingBox());
}
}
protected override void DrawCore(GeoCanvas canvas, Collection <SimpleCandidate> labelsInAllLayers)
{
PointShape centerPoint = canvas.CurrentWorldExtent.GetCenterPoint();
double currentRingDistance = RingDistance;
MultipolygonShape circle = null;
// Keep drawing rings until the only barley fit inside the current extent.
do
{
circle = centerPoint.Buffer(currentRingDistance, RingGeography, RingDistanceUnit);
canvas.DrawArea(circle, RingAreaStyle.OutlinePen, RingAreaStyle.FillBrush, DrawingLevel.LevelOne);
currentRingDistance += RingDistance;
} while (canvas.CurrentWorldExtent.Contains(circle));
}
public JsonResult SearchSimilarSites(Map map, GeoCollection <object> args)
{
string[] searchPointLatLng = args["searchPoint"].ToString().Split(',');
PointShape searchPoint = new PointShape(double.Parse(searchPointLatLng[0]), double.Parse(searchPointLatLng[1]));
object result = new { status = "2", message = "out of restriction area" };
Feature searchAreaFeature = null;
// check if the clicked point is in valid area (Frisco City)
FeatureLayer friscoLayer = (FeatureLayer)(map.CustomOverlays["RestrictOverlay"] as LayerOverlay).Layers["RestrictLayer"];
friscoLayer.Open();
if (friscoLayer.QueryTools.GetFeaturesContaining(searchPoint, ReturningColumnsType.NoColumns).Any())
{
// Calculate the service area/buffer area and display it on the map
if (args["searchMode"].ToString().Equals("serviceArea", StringComparison.InvariantCultureIgnoreCase))
{
int drivingTimeInMinutes = Convert.ToInt32(args["driveTime"].ToString(), CultureInfo.InvariantCulture);
searchAreaFeature = new Feature(routingEngine.GenerateServiceArea(searchPoint, new TimeSpan(0, drivingTimeInMinutes, 0), 100, GeographyUnit.Meter));
}
else
{
DistanceUnit distanceUnit = args["distanceUnit"].ToString() == "Mile" ? DistanceUnit.Mile : DistanceUnit.Kilometer;
double distanceBuffer = Convert.ToDouble(args["distanceBuffer"].ToString(), CultureInfo.InvariantCulture);
searchAreaFeature = new Feature(searchPoint.Buffer(distanceBuffer, 40, GeographyUnit.Meter, distanceUnit));
}
// Search the Pois in calculated service area and display them on map
LayerOverlay poiOverlay = map.CustomOverlays["PoisOverlay"] as LayerOverlay;
ShapeFileFeatureLayer poiLayer = (ShapeFileFeatureLayer)(poiOverlay.Layers[args["category"].ToString()]);
poiLayer.Open();
Collection <Feature> featuresInServiceArea = poiLayer.QueryTools.GetFeaturesWithin(searchAreaFeature.GetShape(), ReturningColumnsType.AllColumns);
List <Feature> filteredQueryFeatures = FilterFeaturesByQueryConfiguration(featuresInServiceArea, args["category"].ToString(), args["subCategory"].ToString().Replace(">~", ">="));
if (filteredQueryFeatures.Any())
{
Collection <object> returnedJsonFeatures = new Collection <object>();
foreach (Feature feature in filteredQueryFeatures)
{
PointShape latlng = feature.GetShape() as PointShape;
returnedJsonFeatures.Add(new { name = feature.ColumnValues["NAME"], point = string.Format("{0},{1}", latlng.Y, latlng.X) });
}
// Add into plot marker overlay.
InMemoryMarkerOverlay drawPointOverlay = map.CustomOverlays["DrawnPointOverlay"] as InMemoryMarkerOverlay;
drawPointOverlay.FeatureSource.Clear();
drawPointOverlay.FeatureSource.BeginTransaction();
drawPointOverlay.FeatureSource.AddFeature(new Feature(searchPoint));
drawPointOverlay.FeatureSource.CommitTransaction();
// Add into markerOvelray.
AddMarkers(filteredQueryFeatures, map);
Feature wgs84Feature = new Feature(searchAreaFeature.GetShape());
// Add into queried overlay.
LayerOverlay queriedOverlay = map.CustomOverlays["QueriedOverlay"] as LayerOverlay;
InMemoryFeatureLayer serviceAreaLayer = (queriedOverlay.Layers["serviceArea"] as InMemoryFeatureLayer);
serviceAreaLayer.Open();
serviceAreaLayer.InternalFeatures.Clear();
serviceAreaLayer.InternalFeatures.Add(wgs84Feature);
result = new { status = "0", message = "has features", features = returnedJsonFeatures };
}
else
{
result = new { status = "1", message = "without features" };
}
}
// return the search poi feature information to the client.
return(Json(result));
}
