protected override async void OnAppearing()
{
base.OnAppearing();
try
{
var position = await Utilities.GetCurrentGeolocationAsync();
MyPosition = new Position(position.Latitude, position.Longitude);
PinCollection.Add(new CustomPin()
{
Id = "Ryan",
Position = MyPosition,
Label = "Ryan",
Type = PinType.Generic,
Url = "http://www.ryanrauch.com/"
});
PolygonCollection.Add(new Position(30.39983, -97.723719));
PolygonCollection.Add(new Position(30.40182, -97.722989));
PolygonCollection.Add(new Position(30.402172, -97.724245));
PolygonCollection.Add(new Position(30.403236, -97.72374));
PolygonCollection.Add(new Position(30.402606, -97.721659));
PolygonCollection.Add(new Position(30.399562, -97.723011));
//UpdateMapGrid();
//UpdateLocation();
//UpdatePolygons();
//MapContent.PropertyChanged += MapContent_PropertyChanged; //this has not worked yet, but used to change grids when zoomed by user
//UpdateRestService();
}
catch (Exception ex)
{
await DisplayAlert(ex.Message, ex.StackTrace, "OK");
}
}
/*public async void UpdateRestService()
* {
* try
* {
* RestService svc = new RestService();
* var regions = await svc.GetRegionsAsync();
* await DisplayAlert(regions.Count.ToString(), "regions count", "OK");
* }
* catch (Exception ex)
* {
* await DisplayAlert(ex.Message, ex.StackTrace, "OK");
* }
* }*/
public void UpdatePolygons()
{
//ObservableCollection<Position> rockrose = new ObservableCollection<Position>();
PolygonCollection.Add(new Position(30.39983, -97.723719));
PolygonCollection.Add(new Position(30.40182, -97.722989));
PolygonCollection.Add(new Position(30.402172, -97.724245));
PolygonCollection.Add(new Position(30.403236, -97.72374));
PolygonCollection.Add(new Position(30.402606, -97.721659));
PolygonCollection.Add(new Position(30.399562, -97.723011));
//6 original coordinates
/*
* // Intersection removing an interior polygon
* PolygonCollection.Add(new Position(30.401807, -97.722484));
* PolygonCollection.Add(new Position(30.402455, -97.722248));
* PolygonCollection.Add(new Position(30.402561, -97.722623));
* PolygonCollection.Add(new Position(30.402302, -97.722784));
*/
//TODO: look into xamarin and mvvmlight
//also look into collectionchanged event??
//OnPropertyChanged("PolygonCollection");
//PolygonCollection = rockrose;
}
private static IMultiPolygon FlattenMultiPolygon(IMultiPolygon mpoly, FgfGeometryFactory factory)
{
PolygonCollection polys = new PolygonCollection();
for (int i = 0; i < mpoly.Count; i++)
{
polys.Add(FlattenPolygon(mpoly[i], factory));
}
return(factory.CreateMultiPolygon(polys));
}
public void UpdatePolygons()
{
//ObservableCollection<Position> rockrose = new ObservableCollection<Position>();
PolygonCollection.Add(new Position(30.39983, -97.723719));
PolygonCollection.Add(new Position(30.40182, -97.722989));
PolygonCollection.Add(new Position(30.402172, -97.724245));
PolygonCollection.Add(new Position(30.403236, -97.72374));
PolygonCollection.Add(new Position(30.402606, -97.721659));
PolygonCollection.Add(new Position(30.399562, -97.723011));
//TODO: look into xamarin and mvvmlight
//also look into collectionchanged event??
//OnPropertyChanged("PolygonCollection");
//PolygonCollection = rockrose;
}
private static IMultiPolygon FlattenMultiPolygon(IMultiPolygon mpoly, FgfGeometryFactory factory)
{
PolygonCollection polys = new PolygonCollection();
for (int i = 0; i < mpoly.Count; i++)
{
polys.Add(FlattenPolygon(mpoly[i], factory));
}
return factory.CreateMultiPolygon(polys);
}
