private void DrawPolygon()
{
PolygonOptions polygonOptions = GetPolygoneRenderer();
foreach (var position in _shapeCoordinates)
{
polygonOptions.Add(new LatLng(position.Latitude, position.Longitude));
}
_polygon = NativeMap.AddPolygon(polygonOptions);
}
protected Polygon GetFormsPolygon(APolygon polygon)
{
Polygon targetPolygon = null;
for (int i = 0; i < Element.MapElements.Count; i++)
{
var element = Element.MapElements[i];
if ((string)element.MapElementId == polygon.Id)
{
targetPolygon = (Polygon)element;
break;
}
}
return(targetPolygon);
}
private void AddPolygonGeometryToMap(GPolygon polygonGeometry)
{
PolygonOptions polygon = GeoJsonPolygonToPolygon(polygonGeometry);
if (polygon != null)
{
try
{
APolygon aPolygon = NativeMap.AddPolygon(polygon);
_polygons.Add(polygonGeometry, aPolygon);
}
catch (Exception)
{
Console.WriteLine("Failed to add polygon to map or dictionary");
}
}
}
protected APolygon GetNativePolygon(Polygon polygon)
{
APolygon targetPolygon = null;
if (_polygons != null)
{
for (int i = 0; i < _polygons.Count; i++)
{
var native = _polygons[i];
if (native.Id == (string)polygon.MapElementId)
{
targetPolygon = native;
break;
}
}
}
return(targetPolygon);
}
/// <summary>
/// Replaces the already visible zone or creates a new one.
/// </summary>
/// <param name="z">The z coordinate.</param>
/// <param name="replace">The z coordinate.</param>
void CreateZone (Zone z, Polygon replace = null)
{
IList<LatLng> points = new List<LatLng>(z.Points.Count);
if (replace != null) {
// Replace the points from the old polygon
foreach (var zp in z.Points) {
points.Add(new LatLng(zp.Latitude, zp.Longitude));
replace.Points = points;
}
} else {
// Create a new polygon for zone
PolygonOptions po = new PolygonOptions ();
foreach (var zp in z.Points) {
po.Points.Add (new LatLng (zp.Latitude, zp.Longitude));
}
po.InvokeStrokeColor (Color.Argb (160, 255, 0, 0));
po.InvokeStrokeWidth (2);
po.InvokeFillColor (Color.Argb (80, 255, 0, 0));
po.InvokeZIndex(1);
// Add polygon to list of active zones
zones.Add (z.ObjIndex, _map.AddPolygon (po));
}
}
private void HandleMarkerClick(object sender, GoogleMap.MarkerClickEventArgs e)
{
ClearMapOverlays ();
Marker marker = e.Marker;
int index = int.Parse (marker.Title);
extendedMap.pin_Clicked (index );
Android.Graphics.Color clrb = new Android.Graphics.Color (12,92,169,130);
Android.Graphics.Color clrr = new Android.Graphics.Color (204,27,39,130);
PolygonOptions polygonOptions = new PolygonOptions();
switch (index)
{
case 0:
CircleOptions circleOptions = new CircleOptions ();
circleOptions.InvokeCenter (new LatLng (extendedMap.pinDatas [index].lat, extendedMap.pinDatas [index].lng));
circleOptions.InvokeRadius (2000);
circleOptions.InvokeFillColor (clrb.ToArgb ());
circleOptions.InvokeStrokeColor (clrr.ToArgb ());
circle = map.AddCircle (circleOptions);
break;
case 1:
polygonOptions.Add(new LatLng(extendedMap.pinDatas[index].lat-0.01, extendedMap.pinDatas[index].lng+0.01));
polygonOptions.Add(new LatLng(extendedMap.pinDatas[index].lat+0.01, extendedMap.pinDatas[index].lng+0.01));
polygonOptions.Add(new LatLng(extendedMap.pinDatas[index].lat+0.01, extendedMap.pinDatas[index].lng-0.01));
polygonOptions.Add(new LatLng(extendedMap.pinDatas[index].lat-0.01, extendedMap.pinDatas[index].lng-0.01));
polygonOptions.InvokeFillColor (clrb.ToArgb());
polygonOptions.InvokeStrokeColor (clrr.ToArgb());
polygon = map.AddPolygon(polygonOptions);
break;
case 2:
polygonOptions.Add(new LatLng(extendedMap.pinDatas[index].lat-0.01, extendedMap.pinDatas[index].lng+0.01));
polygonOptions.Add(new LatLng(extendedMap.pinDatas[index].lat+0.01, extendedMap.pinDatas[index].lng+0.01));
polygonOptions.Add(new LatLng(extendedMap.pinDatas[index].lat+0.005, extendedMap.pinDatas[index].lng));
polygonOptions.Add(new LatLng(extendedMap.pinDatas[index].lat+0.02, extendedMap.pinDatas[index].lng-0.02));
polygonOptions.Add(new LatLng(extendedMap.pinDatas[index].lat-0.01, extendedMap.pinDatas[index].lng-0.01));
polygonOptions.InvokeFillColor (clrb.ToArgb());
polygonOptions.InvokeStrokeColor (clrr.ToArgb());
polygon = map.AddPolygon(polygonOptions);
break;
default:
CircleOptions circleOptions2 = new CircleOptions ();
circleOptions2.InvokeCenter (new LatLng (extendedMap.pinDatas [index].lat, extendedMap.pinDatas [index].lng));
circleOptions2.InvokeRadius (2000);
circleOptions2.InvokeFillColor (clrb.ToArgb ());
circleOptions2.InvokeStrokeColor (clrr.ToArgb ());
circle = map.AddCircle (circleOptions2);
break;
}
}