ClemensFischer/XAML-Map-Control
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General map graticule for WPF

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Clemens 2022-03-04 22:28:18 +01:00
parent c998f19fe5
commit a07948be02
11 changed files with 414 additions and 122 deletions
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43
SampleApps/WinUiApp/MainWindow.xaml.cs
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@ -103,28 +103,37 @@ namespace SampleApplication
private void MapPointerMoved(object sender, PointerRoutedEventArgs e)
{
var location = map.ViewToLocation(e.GetCurrentPoint(map).Position);
var latitude = (int)Math.Round(location.Latitude * 60000d);
var longitude = (int)Math.Round(Location.NormalizeLongitude(location.Longitude) * 60000d);
var latHemisphere = 'N';
var lonHemisphere = 'E';
if (latitude < 0)
if (location != null)
{
latitude = -latitude;
latHemisphere = 'S';
}
var latitude = (int)Math.Round(location.Latitude * 60000d);
var longitude = (int)Math.Round(Location.NormalizeLongitude(location.Longitude) * 60000d);
var latHemisphere = 'N';
var lonHemisphere = 'E';
if (longitude < 0)
if (latitude < 0)
{
latitude = -latitude;
latHemisphere = 'S';
}
if (longitude < 0)
{
longitude = -longitude;
lonHemisphere = 'W';
}
mouseLocation.Text = string.Format(CultureInfo.InvariantCulture,
"{0} {1:00} {2:00.000}\n{3} {4:000} {5:00.000}",
latHemisphere, latitude / 60000, (latitude % 60000) / 1000d,
lonHemisphere, longitude / 60000, (longitude % 60000) / 1000d);
mouseLocation.Visibility = Visibility.Visible;
}
else
{
longitude = -longitude;
lonHemisphere = 'W';
mouseLocation.Visibility = Visibility.Collapsed;
mouseLocation.Text = string.Empty;
}
mouseLocation.Text = string.Format(CultureInfo.InvariantCulture,
"{0} {1:00} {2:00.000}\n{3} {4:000} {5:00.000}",
latHemisphere, latitude / 60000, (latitude % 60000) / 1000d,
lonHemisphere, longitude / 60000, (longitude % 60000) / 1000d);
mouseLocation.Visibility = Visibility.Visible;
}
private void MapPointerExited(object sender, PointerRoutedEventArgs e)