//RelativeLayout.LayoutParams par;
protected override void OnCreate(Bundle bundle)
{
base.OnCreate (bundle);
var imageView = FindViewById<ImageView> (Resource.Id.demoImageView);
ImageView dot = (ImageView) FindViewById(Resource.Drawable.positionCursor);
var b1 = new iBeacon();
var b2 = new iBeacon();
var b3 = new iBeacon();
b1.X = 200;
b1.Y = 100;
b2.X = 290;
b2.Y = 520;
b3.X = 20;
b3.Y = 1000;
var dotpos = tr.Trilaterate (b1, b2, b3);
// Set our view from the "main" layout resource
SetContentView (Resource.Layout.Main);
//AbsoluteLayout.LayoutParams param = new AbsoluteLayout.LayoutParams (10, 10, 100, 200);
//dot.setLayoutParam(param);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById<Button> (Resource.Id.myButton);
button.Click += delegate {
};
}
//RelativeLayout.LayoutParams par;
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
var b1 = new iBeacon();
var b2 = new iBeacon();
var b3 = new iBeacon();
b1.Distance = 3;
b2.Distance = 3;
b3.Distance = 3;
b1.RSSI = -50;
b2.RSSI = -50;
b3.RSSI = -50;
b1.X = 200;
b1.Y = 100;
b2.X = 290;
b2.Y = 520;
b3.X = 20;
b3.Y = 1000;
var dotpos = tr.Trilaterate(b1, b2, b3);
//Din mamma
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
//AbsoluteLayout.LayoutParams param = new AbsoluteLayout.LayoutParams (10, 10, 100, 200);
//dot.setLayoutParam(param);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button> (Resource.Id.myButton);
button.Click += delegate {
ImageView dot = FindViewById <ImageView> (Resource.Id.dotID);
dot.SetImageResource(Resource.Drawable.positionCursor);
dot.Right = 20;
dot.Top = 20;
};
}
public Position Trilaterate(iBeacon beacon1, iBeacon beacon2, iBeacon beacon3)
{
//Dessa tre används för att förenkla beräkningen
var tmpWAP1 = new iBeacon();
var tmpWAP2 = new iBeacon();
var tmpWAP3 = new iBeacon();
double tmpLat2, tmpLong2, tmpLat3, tmpLong3;
double tmpSlide, deg;
double MyLat, MyLong;
var MyPosition = new Position();
//Utgå från att Lat1 är origo
tmpLat2 = beacon2.X - beacon1.X;
tmpLong2 = beacon2.Y - beacon1.Y;
tmpLat3 = beacon3.X - beacon1.X;
tmpLong3 = beacon3.Y - beacon1.Y;
tmpSlide = Math.Sqrt(Math.Pow(tmpLat2, 2) + Math.Pow(tmpLong2, 2));
//deg = (180/Math.PI)*Math.acos( ((Math.Pow(tmpLat2,2) + Math.Pow(tmpSlide,2) - Math.Pow(tmpLong2, 2)) / (2*tmpLat2*tmpSlide)) );
deg = (180 / Math.PI) * Math.Acos(Math.Abs(tmpLat2) / Math.Abs(tmpSlide));
// 1 quadrant
if ((tmpLat2 > 0 && tmpLong2 > 0))
{
deg = 360 - deg;
}
else if ((tmpLat2 < 0 && tmpLong2 > 0))
{
deg = 180 + deg;
}
// 3 quadrant
else if ((tmpLat2 < 0 && tmpLong2 < 0))
{
deg = 180 - deg;
}
// 4 quadrant
else if ((tmpLat2 > 0 && tmpLong2 < 0))
{
//deg = deg;
}
tmpWAP1.X = 0;
tmpWAP1.Y = 0;
tmpWAP1.Distance = beacon1.Distance;
tmpWAP2 = myRotationForBeacon(tmpLat2, tmpLong2, beacon2.Distance, deg);
tmpWAP3 = myRotationForBeacon(tmpLat3, tmpLong3, beacon3.Distance, deg);
MyLat = (Math.Pow(tmpWAP1.Distance, 2) - Math.Pow(tmpWAP2.Distance, 2) + Math.Pow(tmpWAP2.X, 2)) / (2 * tmpWAP2.X);
MyLong = (Math.Pow(tmpWAP1.Distance, 2) - Math.Pow(tmpWAP3.Distance, 2) - Math.Pow(MyLat, 2)
+ Math.Pow(MyLat - tmpWAP3.X, 2) + Math.Pow(tmpWAP3.Y, 2)) / (2 * tmpWAP3.Y);
var MyLocation = myRotation(MyLat, MyLong, 0, -deg);
MyPosition.X = (long)(MyLocation[0] + beacon1.X);
MyPosition.Y = (long)(MyLocation[1] + beacon1.Y);
return MyPosition;
}
public Position Trilaterate(iBeacon beacon1, iBeacon beacon2, iBeacon beacon3)
{
//Dessa tre används för att förenkla beräkningen
var tmpWAP1 = new iBeacon();
var tmpWAP2 = new iBeacon();
var tmpWAP3 = new iBeacon();
double tmpLat2, tmpLong2, tmpLat3, tmpLong3;
double tmpSlide, deg;
double MyLat, MyLong;
var MyPosition = new Position();
//Utgå från att Lat1 är origo
tmpLat2 = beacon2.X - beacon1.X;
tmpLong2 = beacon2.Y - beacon1.Y;
tmpLat3 = beacon3.X - beacon1.X;
tmpLong3 = beacon3.Y - beacon1.Y;
tmpSlide = Math.Sqrt(Math.Pow(tmpLat2, 2) + Math.Pow(tmpLong2, 2));
//deg = (180/Math.PI)*Math.acos( ((Math.Pow(tmpLat2,2) + Math.Pow(tmpSlide,2) - Math.Pow(tmpLong2, 2)) / (2*tmpLat2*tmpSlide)) );
deg = (180 / Math.PI) * Math.Acos(Math.Abs(tmpLat2) / Math.Abs(tmpSlide));
// 1 quadrant
if ((tmpLat2 > 0 && tmpLong2 > 0))
{
deg = 360 - deg;
}
else if ((tmpLat2 < 0 && tmpLong2 > 0))
{
deg = 180 + deg;
}
// 3 quadrant
else if ((tmpLat2 < 0 && tmpLong2 < 0))
{
deg = 180 - deg;
}
// 4 quadrant
else if ((tmpLat2 > 0 && tmpLong2 < 0))
{
//deg = deg;
}
tmpWAP1.X = 0;
tmpWAP1.Y = 0;
tmpWAP1.Distance = beacon1.Distance;
tmpWAP2 = myRotationForBeacon(tmpLat2, tmpLong2, beacon2.Distance, deg);
tmpWAP3 = myRotationForBeacon(tmpLat3, tmpLong3, beacon3.Distance, deg);
MyLat = (Math.Pow(tmpWAP1.Distance, 2) - Math.Pow(tmpWAP2.Distance, 2) + Math.Pow(tmpWAP2.X, 2)) / (2 * tmpWAP2.X);
MyLong = (Math.Pow(tmpWAP1.Distance, 2) - Math.Pow(tmpWAP3.Distance, 2) - Math.Pow(MyLat, 2)
+ Math.Pow(MyLat - tmpWAP3.X, 2) + Math.Pow(tmpWAP3.Y, 2)) / (2 * tmpWAP3.Y);
var MyLocation = myRotation(MyLat, MyLong, 0, -deg);
MyPosition.X = (long)(MyLocation[0] + beacon1.X);
MyPosition.Y = (long)(MyLocation[1] + beacon1.Y);
return(MyPosition);
}
