ClemensFischer/XAML-Map-Control
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Removed azimuthal and "auto" map projections

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Removing these projections - which were never really well implemented - greatly simplifies the code. There is no ProjectionCenter anymore and MapProjection methods do not return null Locations or Points.
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ClemensFischer 2026-01-29 16:27:34 +01:00
parent f4481c31f0
commit 76b879dfac
37 changed files with 181 additions and 1076 deletions
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42
MapControl/Shared/MapScale.cs
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@ -92,35 +92,31 @@ namespace MapControl
var y0 = ParentMap.ActualHeight / 2d;
var p1 = ParentMap.ViewToLocation(new Point(x0 - 50d, y0));
var p2 = ParentMap.ViewToLocation(new Point(x0 + 50d, y0));
var scale = 100d / p1.GetDistance(p2);
var length = MinWidth / scale;
var magnitude = Math.Pow(10d, Math.Floor(Math.Log10(length)));
if (p1 != null && p2 != null)
{
var scale = 100d / p1.GetDistance(p2);
var length = MinWidth / scale;
var magnitude = Math.Pow(10d, Math.Floor(Math.Log10(length)));
length = length / magnitude < 2d ? 2d * magnitude
: length / magnitude < 5d ? 5d * magnitude
: 10d * magnitude;
length = length / magnitude < 2d ? 2d * magnitude
: length / magnitude < 5d ? 5d * magnitude
: 10d * magnitude;
size = new Size(
length * scale + StrokeThickness + Padding.Left + Padding.Right,
1.5 * label.FontSize + 2 * StrokeThickness + Padding.Top + Padding.Bottom);
size = new Size(
length * scale + StrokeThickness + Padding.Left + Padding.Right,
1.5 * label.FontSize + 2 * StrokeThickness + Padding.Top + Padding.Bottom);
var x1 = Padding.Left + StrokeThickness / 2d;
var x2 = size.Width - Padding.Right - StrokeThickness / 2d;
var y1 = size.Height / 2d;
var y2 = size.Height - Padding.Bottom - StrokeThickness / 2d;
var x1 = Padding.Left + StrokeThickness / 2d;
var x2 = size.Width - Padding.Right - StrokeThickness / 2d;
var y1 = size.Height / 2d;
var y2 = size.Height - Padding.Bottom - StrokeThickness / 2d;
line.Points = [new Point(x1, y1), new Point(x1, y2), new Point(x2, y2), new Point(x2, y1)];
line.Points = [new Point(x1, y1), new Point(x1, y2), new Point(x2, y2), new Point(x2, y1)];
label.Text = length >= 1000d
? string.Format(CultureInfo.InvariantCulture, "{0:F0} km", length / 1000d)
: string.Format(CultureInfo.InvariantCulture, "{0:F0} m", length);
label.Text = length >= 1000d
? string.Format(CultureInfo.InvariantCulture, "{0:F0} km", length / 1000d)
: string.Format(CultureInfo.InvariantCulture, "{0:F0} m", length);
line.Measure(size);
label.Measure(size);
}
line.Measure(size);
label.Measure(size);
}
return size;