protected override BaseShape CreateAccessibleAreaCore()
{
string rtgFilePathName = Path.ChangeExtension(StreetShapeFilePathName, ".rtg");
RtgRoutingSource routingSource = new RtgRoutingSource(rtgFilePathName);
FeatureSource featureSource = new ShapeFileFeatureSource(StreetShapeFilePathName);
RoutingEngine routingEngine = new RoutingEngine(routingSource, featureSource);
if (!featureSource.IsOpen)
{
featureSource.Open();
}
ManagedProj4Projection proj = new ManagedProj4Projection();
proj.InternalProjectionParametersString = ManagedProj4Projection.GetBingMapParametersString();
proj.ExternalProjectionParametersString = ManagedProj4Projection.GetEpsgParametersString(4326);
proj.Open();
StartLocation = proj.ConvertToExternalProjection(StartLocation) as PointShape;
Feature feature = featureSource.GetFeaturesNearestTo(StartLocation, GeographyUnit, 1, ReturningColumnsType.NoColumns)[0];
PolygonShape polygonShape = routingEngine.GenerateServiceArea(feature.Id, new TimeSpan(0, DrivingTimeInMinutes, 0), 100, GeographyUnit.Feet);
polygonShape = proj.ConvertToInternalProjection(polygonShape) as PolygonShape;
proj.Close();
return(polygonShape);
}
private void winformsMap1_MapClick(object sender, MapClickWinformsMapEventArgs e)
{
if (isAddingRoadblocks)
{
featureSource.Open();
Collection <Feature> closestFeatures = featureSource.GetFeaturesNearestTo(e.WorldLocation, winformsMap1.MapUnit, 1, ReturningColumnsType.NoColumns);
if (closestFeatures.Count > 0)
{
PointShape position = ((LineBaseShape)closestFeatures[0].GetShape()).GetCenterPoint();
Feature feature = new Feature(position.GetWellKnownBinary(), closestFeatures[0].Id);
if (feature.Id != startFeature.Id && feature.Id != endFeature.Id)
{
roadblocksLayer.InternalFeatures.Add(feature);
}
LayerOverlay overlay = (LayerOverlay)winformsMap1.Overlays["RoutingOverlay"];
winformsMap1.Refresh(overlay);
}
Route();
}
}
private void winformsMap1_MapClick(object sender, MapClickWinformsMapEventArgs e)
{
// Select the nearest feature from route features
LayerOverlay roadOverlay = (LayerOverlay)winformsMap1.Overlays["RoadsOverlay"];
if (isInEditMode)
{
featureSource.Open();
Collection <Feature> closestFeatures = featureSource.GetFeaturesNearestTo(e.WorldLocation, winformsMap1.MapUnit, 1, ReturningColumnsType.NoColumns);
if (closestFeatures.Count > 0)
{
editFeature = closestFeatures[0];
routingSource.Open();
editRouteSegment = routingSource.GetRouteSegmentByFeatureId(editFeature.Id);
RenderRouteSegmentInformation(roadOverlay);
}
}
else if (routingSource.IsInTransaction)
{
EditRoutingData(e.WorldLocation, roadOverlay);
}
}
private void wpfMap1_MapClick(object sender, MapClickWpfMapEventArgs e)
{
try
{
//Uses the WrapDatelineProjection to create the target pointshape for GetFeatureNearestTo spatial query function.
WrapDatelineProjection wrapDatelineProjection = new WrapDatelineProjection();
//Sets the HalfExtentWidth of the wrapdateline overlay we want to apply the projection on.
//Here it is 180 because, the full extent width is 360.
wrapDatelineProjection.HalfExtentWidth = wpfMap1.Overlays["WMK"].GetBoundingBox().Width / 2;//180;
//Gets the valid world coordinate regardless to where the user click on the map
wrapDatelineProjection.Open();
Vertex projVertex = wrapDatelineProjection.ConvertToExternalProjection(e.WorldX, e.WorldY);
wrapDatelineProjection.Close();
//Here we just use the feature source of the shapefile because we don't display it, we just use it for doing the spatial query.
ShapeFileFeatureSource shapeFileFeatureSource = new ShapeFileFeatureSource(@"../../data/countries02.shp");
shapeFileFeatureSource.Open();
//Uses the projected X and Y values for the Spatial Query.
Collection <Feature> features = shapeFileFeatureSource.GetFeaturesNearestTo(new PointShape(projVertex), wpfMap1.MapUnit, 1, ReturningColumnsType.NoColumns);
shapeFileFeatureSource.Close();
LayerOverlay dynamicOverlay = (LayerOverlay)wpfMap1.Overlays["DynamicOverlay"];
InMemoryFeatureLayer inMemoryFeatureLayer = (InMemoryFeatureLayer)dynamicOverlay.Layers["SelectLayer"];
//Clears the InMemoryFeatureLayer and add the feature as the result of the spatial query.
inMemoryFeatureLayer.Open();
inMemoryFeatureLayer.InternalFeatures.Clear();
inMemoryFeatureLayer.InternalFeatures.Add(features[0]);
inMemoryFeatureLayer.Close();
//Refreshes only the overlay with the updated InMemoryFeatureLayer.
wpfMap1.Refresh(dynamicOverlay);
}
catch { }
}
