//Implements the IOnMapReadyCallback interface
public void OnMapReady(MapboxMap map)
{
mapboxMap = map;
// This will refer to OnStyleLoaded
map.SetStyle(Style.MapboxStreets, this);
var title1 = "Chicago";
var lat1 = 41.897627;
var lng1 = -87.643526;
var title2 = "St.Louis";
var lat2 = 38.742291;
var lng2 = -90.064928;
pickupPoint = new LatLng(lat1, lng1);
delivertPoint = new LatLng(lat2, lng2);
bool crossesMeridianOrDateline;
if ((lng1 > 0.0 && lng2 < 0.0) || (lng1 < 0.0 && lng2 > 0.0))
{
crossesMeridianOrDateline = true;
}
else
{
crossesMeridianOrDateline = false;
}
var xDiffPrimeMeridianZero = FindXDiffPrimeMeridianZero(lng1, lng2);
var xDiffDatelineZero = FindXDiffDatelineZero(lng1, lng2);
List <double> xList;
List <double> lngList;
if ((Math.Abs(xDiffDatelineZero) > Math.Abs(xDiffPrimeMeridianZero)) && crossesMeridianOrDateline == true)
{
var latCenter = (lat1 + lat2) / 2.0;
// Find center coordinate here
var x1 = FindXPrimeMeridianZero(lng1);
var xCenter = x1 + (xDiffPrimeMeridianZero / 2.0);
double lngCenter;
if (x1 > 180.0)
{
lngCenter = xCenter - 360.0;
}
else
{
lngCenter = xCenter;
}
var cameraCenter = new CameraPosition.Builder().Target(new LatLng(latCenter, lngCenter)).Zoom(1.5).Build();
map.AnimateCamera(CameraUpdateFactory.NewCameraPosition(cameraCenter));
xList = CreateXList(xDiffPrimeMeridianZero, x1);
lngList = ConvertToLngsPrimeMeridianZero(xList);
}
else
{
// find max/min lat/lng here
// use those to determine the initialBounds
var latDict = FindLowHigh(lat1, lat2);
var latHigh = latDict["high"];
var latLow = latDict["low"];
var lngDict = FindLowHigh(lng1, lng2);
var lngHigh = lngDict["high"];
var lngLow = lngDict["low"];
var latBuffer = (latHigh - latLow) / 4.0;
var lngBuffer = (lngHigh - lngLow) / 10.0;
var swLat = latLow - latBuffer;
var swLng = lngLow - lngBuffer;
var neLat = latHigh + latBuffer;
var neLng = lngHigh + lngBuffer;
var swPoint = new LatLng(swLat, swLng);
var nePoint = new LatLng(neLat, neLng);
var latLngBounds = new LatLngBounds.Builder()
.Include(nePoint) // Northeast
.Include(swPoint) // Southwest
.Build();
mapboxMap.EaseCamera(CameraUpdateFactory.NewLatLngBounds(latLngBounds, 0));
xList = CreateXList(xDiffDatelineZero, FindXDatelineZero(lng1));
lngList = ConvertToLngsDatelineZero(xList);
}
var yList = CreateYList(lat1, lat2);
var latList = ConvertToLats(yList);
var coords = ConvertToCoords(latList, lngList);
CreateDashedLine(coords);
var marker1 = new MarkerOptions();
var marker2 = new MarkerOptions();
marker1.SetPosition(pickupPoint);
marker1.SetTitle(title1);
marker2.SetPosition(delivertPoint);
marker2.SetTitle(title2);
map.AddMarker(marker1);
map.AddMarker(marker2);
}