LocationRect From Two Locations

Question

I need center a route in map.

The problem is: LocationRect does not support two Locations as Arguments.

Dim rect as new LocationRect

Map.SetView(rect)

In this case, how to calculate Width and Heigth in LocationRect?

Tanks

---

Luis C. Pignataro Sisted

Answer 1

Hi Luis,

Below is some code that should assist.

Jim

...
Bing.Maps.LocationCollection locations = new Bing.Maps.LocationCollection();
locations.Add(new Bing.Maps.Location(43.0, -125.0));
locations.Add(new Bing.Maps.Location(43.0, -122.0));
Bing.Maps.LocationRect boundingRect = GetLocationsRect(locations);
MyMap.SetView(boundingRect);
...

private Bing.Maps.LocationRect GetLocationsRect(Bing.Maps.LocationCollection locations)
{
    Bing.Maps.LocationRect boundingRect = new Bing.Maps.LocationRect();

    if (locations.Count == 0)
    {
        // nothing to do
    }
    else if (locations.Count == 1)
    {
        boundingRect.Center = locations[0];
    }
    else
    {
        double minLatitude =  locations[0].Latitude;
        double minLongitude = locations[0].Longitude;
        double maxLatitude =  locations[0].Latitude;
        double maxLongitude = locations[0].Longitude;

        foreach (Bing.Maps.Location loc in locations)
        {
            if (loc.Latitude < minLatitude)
            {
                minLatitude = loc.Latitude;
            }
            else if(loc.Latitude > maxLatitude)
            {
                maxLatitude = loc.Latitude;
            }

            if(loc.Longitude < minLongitude)
            {
                minLongitude = loc.Longitude;
            }
            else if(loc.Longitude > maxLongitude)
            {
                maxLongitude = loc.Longitude;
            }
        }

        double width = maxLongitude - minLongitude;
        double height = maxLatitude - minLatitude;
        Bing.Maps.Location center =
            new Bing.Maps.Location(0.5 * (maxLatitude + minLatitude), 0.5 * (maxLongitude + minLongitude));

        boundingRect.Center = center;
        boundingRect.Width = width;
        boundingRect.Height = height;
    }

    return boundingRect;
}