/// <summary>
/// Check if the housenumber is following the vertex sequence of the road.
/// </summary>
private static bool IsDirectionFollowRoad(GeocoderMatch geocoderMath)
{
int fromLeft = Convert.ToInt32(geocoderMath.NameValuePairs["FromAddressLeft"], CultureInfo.InvariantCulture);
int toLeft = Convert.ToInt32(geocoderMath.NameValuePairs["ToAddressLeft"], CultureInfo.InvariantCulture);
int fromRight = Convert.ToInt32(geocoderMath.NameValuePairs["FromAddressRight"], CultureInfo.InvariantCulture);
int toRight = Convert.ToInt32(geocoderMath.NameValuePairs["ToAddressRight"], CultureInfo.InvariantCulture);
return((fromRight < toRight) && (fromLeft < toLeft));
}
private SearchResult GetSearchResult(Feature feature, GeocoderMatch geocoderMath)
{
LineShape roadSegment = GetLineShape(feature); // Get the line segment of current feature.
bool isLeftSide = geocoderMath.NameValuePairs["SideOfStreet"].Equals("Left", StringComparison.InvariantCultureIgnoreCase);
bool isFollowRoadDirection = IsDirectionFollowRoad(geocoderMath);
// Get the roads which are intersetected with current road
FeatureLayer roadFeatureLayer = ((LayerOverlay)Map1.Overlays[roadOverlayName]).Layers[0] as FeatureLayer;
// Get segments intersected with start vertex
RectangleShape startVertextBbox = BufferVertex(roadSegment.Vertices[0]);
Collection <Feature> intersectedStartFeatures = roadFeatureLayer.FeatureSource.GetFeaturesInsideBoundingBox(startVertextBbox, new[] { "ROAD_NAME" });
Feature startCrossFeature = GetCrossRoad(feature, isLeftSide, intersectedStartFeatures);
// Get segments intersected with end vertex
RectangleShape endVertextBbox = BufferVertex(roadSegment.Vertices[roadSegment.Vertices.Count - 1]);
Collection <Feature> intersectedEndFeatures = roadFeatureLayer.FeatureSource.GetFeaturesInsideBoundingBox(endVertextBbox, new[] { "ROAD_NAME" });
Feature endCrossFeature = GetCrossRoad(feature, isLeftSide, intersectedEndFeatures);
// highlight the low and high cross streets.
InMemoryFeatureLayer highlightRoadLayer = ((LayerOverlay)Map1.Overlays[roadHighlightOverlayName]).Layers[0] as InMemoryFeatureLayer;
highlightRoadLayer.InternalFeatures.Clear();
if (startCrossFeature != null)
{
highlightRoadLayer.InternalFeatures.Add(startCrossFeature);
}
if (endCrossFeature != null)
{
highlightRoadLayer.InternalFeatures.Add(endCrossFeature);
}
SearchResult searchResult = new SearchResult
{
LowHouseNo = isLeftSide ? geocoderMath.NameValuePairs["FromAddressLeft"] : geocoderMath.NameValuePairs["FromAddressRight"],
HighHouseNo = isLeftSide ? geocoderMath.NameValuePairs["ToAddressLeft"] : geocoderMath.NameValuePairs["ToAddressRight"],
StreetName = geocoderMath.NameValuePairs["Street"],
StreetType = geocoderMath.NameValuePairs["StreetType"],
LowCrossStreet = isFollowRoadDirection ? (startCrossFeature != null ? startCrossFeature.ColumnValues["ROAD_NAME"] : "N/A") : (endCrossFeature != null ? endCrossFeature.ColumnValues["ROAD_NAME"] : "N/A"),
HighCrossStreet = isFollowRoadDirection ? (endCrossFeature != null ? endCrossFeature.ColumnValues["ROAD_NAME"] : "N/A") : (startCrossFeature != null ? startCrossFeature.ColumnValues["ROAD_NAME"] : "N/A"),
};
return(searchResult);
}
