ClemensFischer/XAML-Map-Control
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Added MapProjection.Type

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Clemens 2022-03-05 18:40:57 +01:00
parent a07948be02
commit 16fb98ac86
15 changed files with 126 additions and 77 deletions
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57
MapControl/WPF/MapGraticule.WPF.cs
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@ -43,7 +43,7 @@ namespace MapControl
if (projection != null)
{
if (projection.IsNormalCylindrical)
if (projection.Type <= MapProjectionType.NormalCylindrical)
{
DrawCylindricalGraticule(drawingContext);
}
@ -126,9 +126,6 @@ namespace MapControl
var lineDistance = GetLineDistance();
var labelFormat = GetLabelFormat(lineDistance);
var centerLon = Math.Floor(ParentMap.Center.Longitude / lineDistance) * lineDistance;
var minLon = centerLon - lineDistance;
var maxLon = centerLon + lineDistance;
var minLat = 0d;
var maxLat = 0d;
@ -139,16 +136,21 @@ namespace MapControl
var interpolationDistance = lineDistance / interpolationCount;
var latPoints = latSegments * interpolationCount;
var centerLon = Math.Floor(ParentMap.Center.Longitude / lineDistance) * lineDistance;
var minLon = centerLon - lineDistance;
var maxLon = centerLon + lineDistance;
var lonRange = ParentMap.MapProjection.Type == MapProjectionType.TransverseCylindrical ? 15d : 180d;
if (DrawMeridian(path.Figures, centerLon, minLat, interpolationDistance, latPoints))
{
while (minLon > centerLon - 180d &&
DrawMeridian(path.Figures, minLon, minLat, interpolationDistance, latPoints))
while (DrawMeridian(path.Figures, minLon, minLat, interpolationDistance, latPoints) &&
minLon > centerLon - lonRange)
{
minLon -= lineDistance;
}
while (maxLon <= centerLon + 180d &&
DrawMeridian(path.Figures, maxLon, minLat, interpolationDistance, latPoints))
while (DrawMeridian(path.Figures, maxLon, minLat, interpolationDistance, latPoints) &&
maxLon <= centerLon + lonRange)
{
maxLon += lineDistance;
}
@ -160,12 +162,14 @@ namespace MapControl
{
var lat = minLat + s * lineDistance;
var lon = minLon;
var location = new Location(lat, lon);
var points = new List<Point>();
var p = ParentMap.LocationToView(new Location(lat, lon));
var p = ParentMap.LocationToView(location);
if (MapProjection.IsValid(p))
{
points.Add(p);
DrawLabel(drawingContext, typeface, pixelsPerDip, p, location, labelFormat);
}
for (int i = 0; i < lonSegments; i++)
@ -173,7 +177,8 @@ namespace MapControl
for (int j = 1; j <= interpolationCount; j++)
{
lon = minLon + i * lineDistance + j * interpolationDistance;
p = ParentMap.LocationToView(new Location(lat, lon));
location = new Location(lat, lon);
p = ParentMap.LocationToView(location);
if (MapProjection.IsValid(p))
{
@ -181,11 +186,7 @@ namespace MapControl
}
}
if (p.X >= 0d && p.X <= ParentMap.RenderSize.Width &&
p.Y >= 0d && p.Y <= ParentMap.RenderSize.Height)
{
DrawLabel(drawingContext, typeface, pixelsPerDip, p, new Location(lat, lon), labelFormat);
}
DrawLabel(drawingContext, typeface, pixelsPerDip, p, location, labelFormat);
}
if (points.Count >= 2)
@ -232,18 +233,22 @@ namespace MapControl
private void DrawLabel(DrawingContext drawingContext, Typeface typeface, double pixelsPerDip,
Point position, Location location, string labelFormat)
{
var latText = new FormattedText(GetLabelText(location.Latitude, labelFormat, "NS"),
CultureInfo.InvariantCulture, FlowDirection.LeftToRight, typeface, FontSize, Foreground, pixelsPerDip);
var lonText = new FormattedText(GetLabelText(location.Longitude, labelFormat, "EW"),
CultureInfo.InvariantCulture, FlowDirection.LeftToRight, typeface, FontSize, Foreground, pixelsPerDip);
location.Longitude += latText.Width / PixelPerLongitudeDegree(location);
var p = ParentMap.LocationToView(location);
if (MapProjection.IsValid(p))
if (position.X >= 0d && position.X <= ParentMap.RenderSize.Width &&
position.Y >= 0d && position.Y <= ParentMap.RenderSize.Height)
{
DrawLabel(drawingContext, latText, lonText, position, Vector.AngleBetween(new Vector(1d, 0d), p - position));
var latText = new FormattedText(GetLabelText(location.Latitude, labelFormat, "NS"),
CultureInfo.InvariantCulture, FlowDirection.LeftToRight, typeface, FontSize, Foreground, pixelsPerDip);
var lonText = new FormattedText(GetLabelText(location.Longitude, labelFormat, "EW"),
CultureInfo.InvariantCulture, FlowDirection.LeftToRight, typeface, FontSize, Foreground, pixelsPerDip);
location.Longitude += latText.Width / PixelPerLongitudeDegree(location);
var p = ParentMap.LocationToView(location);
if (MapProjection.IsValid(p))
{
DrawLabel(drawingContext, latText, lonText, position, Vector.AngleBetween(new Vector(1d, 0d), p - position));
}
}
}