ClemensFischer/XAML-Map-Control
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Simplified BoundingBoxToMap

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ClemensFischer 2026-02-04 22:31:48 +01:00
parent 3769cacf4e
commit 974fd88b43
1 changed files with 9 additions and 14 deletions
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23
MapControl/Shared/MapProjection.cs
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@ -116,26 +116,21 @@ namespace MapControl
{
var southEast = LocationToMap(boundingBox.South, boundingBox.East);
var northWest = LocationToMap(boundingBox.North, boundingBox.West);
var west = new Point((southWest.X + northWest.X) / 2d, (southWest.Y + northWest.Y) / 2d);
var east = new Point((southEast.X + northEast.X) / 2d, (southEast.Y + northEast.Y) / 2d);
var south = new Point((southWest.X + southEast.X) / 2d, (southWest.Y + southEast.Y) / 2d);
var north = new Point((northWest.X + northEast.X) / 2d, (northWest.Y + northEast.Y) / 2d);
var centerX = (south.X + north.X) / 2d;
var centerY = (south.Y + north.Y) / 2d;
var dxW = northWest.X - southWest.X;
var dyW = northWest.Y - southWest.Y;
var dxE = northEast.X - southEast.X;
var dyE = northEast.Y - southEast.Y;
var dxS = southEast.X - southWest.X;
var dyS = southEast.Y - southWest.Y;
var dxN = northEast.X - northWest.X;
var dyN = northEast.Y - northWest.Y;
var width = (Math.Sqrt(dxS * dxS + dyS * dyS) + Math.Sqrt(dxN * dxN + dyN * dyN)) / 2d;
var height = (Math.Sqrt(dxW * dxW + dyW * dyW) + Math.Sqrt(dxE * dxE + dyE * dyE)) / 2d;
var dxw = east.X - west.X;
var dyw = east.Y - west.Y;
var dxh = north.X - south.X;
var dyh = north.Y - south.Y;
var width = Math.Sqrt(dxw * dxw + dyw * dyw);
var height = Math.Sqrt(dxh * dxh + dyh * dyh);
rect = new Rect(centerX - width / 2d, centerY - height / 2d, width, height);
rotation = -GridConvergence( // invert direction for RotateTransform
(boundingBox.South + boundingBox.North) / 2d,
(boundingBox.West + boundingBox.East) / 2d);
rotation = -Math.Atan2(-dxh, dyh) * 180d / Math.PI; // invert direction for RotateTransform
}
return (rect, rotation);