/// <summary>
/// Return the Traffic Incidents along a given route
/// </summary>
/// <param name="route">a route</param>
/// <param name="distance">a double representing the distance from the route for which
/// you want incidents reports</param>
/// <returns>FindResults</returns>
public FindResults GetTrafficIncident(Route route, Double distance)
{
FindResults foundResults;
try
{
if (route == null)
{
throw new System.ArgumentNullException("End location cannot be null");
}
FindFilter ff = new FindFilter();
ff.EntityTypeName = "TrafficIncident";
FindNearRouteSpecification spec = new FindNearRouteSpecification();
spec.DataSourceName = "MapPointTravel.TrafficIncidents";
spec.Distance = distance; //show all incidents within 1 mile of the route
spec.Route = route; //arg passed in
spec.Filter = ff;
foundResults = new FindResults();
foundResults = theMapPointFindService.FindNearRoute(spec);
}
catch (ArgumentNullException e)
{
throw e; // rethrow for app to handle
}
catch (Exception e)
{
throw e; // rethrow for app to handle
}
return foundResults;
}
/// <summary>
/// Return a image representing a map showing the start and ending points and an annotated line for
/// the route between those points
/// </summary>
/// <param name="route">a Route</param>
/// <param name="imageWidth">width of image used to display the map</param>
/// <param name="imageHeight">height of the image used to display the map</param>
/// <returns>Image</returns>
public System.Drawing.Image GetRouteMap(Route route, int imageWidth, int imageHeight)
{
MapImage[] mapImage;
System.Drawing.Bitmap theImage = null;
try
{
if (route == null)
{
throw new System.ArgumentNullException("Route cannot be null");
}
//if (location == null)
//{
// throw new System.ArgumentNullException("Location cannot be null");
//}
if (imageWidth <= 0)
{
throw new System.ArgumentNullException("Image width should be > then 0");
}
if (imageHeight <= 0)
{
throw new System.ArgumentNullException("Image Height should be > then 0");
}
// now get a map
MapSpecification mapSpec = new MapSpecification();
ViewByHeightWidth[] myViews = new ViewByHeightWidth[1];
myViews[0] = route.Itinerary.View.ByHeightWidth;
mapSpec.Views = myViews;
mapSpec.DataSourceName = "MapPoint.NA";
mapSpec.Options = new MapOptions();
mapSpec.Options.Format = new ImageFormat();
mapSpec.Options.Format.Height = imageHeight;
mapSpec.Options.Format.Width = imageWidth;
// setup pushpin
Pushpin[] ppArray = new Pushpin[2];
// set up start
ppArray[0] = new Pushpin();
ppArray[0].IconDataSource = "MapPoint.Icons";
ppArray[0].IconName = "31";
ppArray[0].LatLong = route.Itinerary.Segments[0].Waypoint.Location.LatLong;
ppArray[0].Label = "Start";
ppArray[0].ReturnsHotArea = true;
// PinID
ppArray[0].PinID = "Start";
// set up end
ppArray[1] = new Pushpin();
ppArray[1].IconDataSource = "MapPoint.Icons";
ppArray[1].IconName = "29";
ppArray[1].LatLong = route.Itinerary.Segments[route.Itinerary.Segments.GetUpperBound(0)].Waypoint.Location.LatLong;
ppArray[1].Label = "End";
ppArray[1].ReturnsHotArea = true;
// PinID
ppArray[1].PinID = "End";
mapSpec.Pushpins = ppArray;
mapSpec.Route = route;
mapImage = theMapPointRenderService.GetMap(mapSpec);
// let sure an MapImage was returned
if (mapImage != null && mapImage.Length > 0)
{
theImage = new System.Drawing.Bitmap(new System.IO.MemoryStream(mapImage[0].MimeData.Bits));
}
else
throw new System.Exception("Unable to build a map for this route");
}
catch (ArgumentNullException e)
{
throw e; // rethrow for app to handle
}
catch (Exception e)
{
throw e; // rethrow for app to handle
}
return theImage;
}
