ClemensFischer/XAML-Map-Control
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Added MapBase.MapBounds and MapBase.GeoBounds

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ClemensFischer 2025-12-13 18:28:07 +01:00
parent 4db96b9e83
commit 263deb5fd6
10 changed files with 95 additions and 100 deletions
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22
MapControl/Shared/MapGraticule.cs
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@ -100,7 +100,7 @@ namespace MapControl
private double PixelPerLongitudeDegree(double latitude, double longitude)
{
var scale = ParentMap.GetScale(latitude, longitude);
var scale = ParentMap.GetMapScale(latitude, longitude);
return Math.Max(1d, // a reasonable lower limit
scale.X * Math.Cos(latitude * Math.PI / 180d) * MapProjection.Wgs84MeterPerDegree);
@ -171,14 +171,14 @@ namespace MapControl
private void DrawCylindricalGraticule(PathFigureCollection figures, List<Label> labels)
{
var boundingBox = ParentMap.ViewRectToBoundingBox(new Rect(0d, 0d, ParentMap.ActualWidth, ParentMap.ActualHeight));
var latLabelStart = Math.Ceiling(boundingBox.South / lineDistance) * lineDistance;
var lonLabelStart = Math.Ceiling(boundingBox.West / lineDistance) * lineDistance;
var bounds = ParentMap.GeoBounds;
var latLabelStart = Math.Ceiling(bounds.South / lineDistance) * lineDistance;
var lonLabelStart = Math.Ceiling(bounds.West / lineDistance) * lineDistance;
for (var lat = latLabelStart; lat <= boundingBox.North; lat += lineDistance)
for (var lat = latLabelStart; lat <= bounds.North; lat += lineDistance)
{
var p1 = ParentMap.LocationToView(lat, boundingBox.West);
var p2 = ParentMap.LocationToView(lat, boundingBox.East);
var p1 = ParentMap.LocationToView(lat, bounds.West);
var p2 = ParentMap.LocationToView(lat, bounds.East);
if (p1.HasValue && p2.HasValue)
{
@ -186,17 +186,17 @@ namespace MapControl
}
}
for (var lon = lonLabelStart; lon <= boundingBox.East; lon += lineDistance)
for (var lon = lonLabelStart; lon <= bounds.East; lon += lineDistance)
{
var p1 = ParentMap.LocationToView(boundingBox.South, lon);
var p2 = ParentMap.LocationToView(boundingBox.North, lon);
var p1 = ParentMap.LocationToView(bounds.South, lon);
var p2 = ParentMap.LocationToView(bounds.North, lon);
if (p1.HasValue && p2.HasValue)
{
figures.Add(CreateLineFigure(p1.Value, p2.Value));
}
for (var lat = latLabelStart; lat <= boundingBox.North; lat += lineDistance)
for (var lat = latLabelStart; lat <= bounds.North; lat += lineDistance)
{
var position = ParentMap.LocationToView(lat, lon);