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Version 4.12.1 Added AutoEquirectangularProjection

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This commit is contained in:
ClemensF 2019-04-05 19:13:58 +02:00
parent 0a3ae81117
commit bd9a16e921
17 changed files with 174 additions and 140 deletions
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35
MapControl/Shared/AutoEquirectangularProjection.cs
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@ -3,7 +3,6 @@
// Licensed under the Microsoft Public License (Ms-PL)
using System;
using System.Globalization;
#if WINDOWS_UWP
using Windows.Foundation;
#else
@ -14,8 +13,6 @@ namespace MapControl
{
public class AutoEquirectangularProjection : MapProjection
{
public Location ProjectionCenter { get; private set; } = new Location();
public AutoEquirectangularProjection()
: this("AUTO2:42004")
{
@ -29,44 +26,20 @@ namespace MapControl
public override Point LocationToPoint(Location location)
{
var xScale = MetersPerDegree * Math.Cos(ProjectionCenter.Latitude * Math.PI / 180d);
var xScale = Wgs84MetersPerDegree * Math.Cos(ProjectionCenter.Latitude * Math.PI / 180d);
return new Point(
xScale * (location.Longitude - ProjectionCenter.Longitude),
MetersPerDegree * location.Latitude);
Wgs84MetersPerDegree * location.Latitude);
}
public override Location PointToLocation(Point point)
{
var xScale = MetersPerDegree * Math.Cos(ProjectionCenter.Latitude * Math.PI / 180d);
var xScale = Wgs84MetersPerDegree * Math.Cos(ProjectionCenter.Latitude * Math.PI / 180d);
return new Location(
point.Y / MetersPerDegree,
point.Y / Wgs84MetersPerDegree,
point.X / xScale + ProjectionCenter.Longitude);
}
public override void SetViewportTransform(Location projectionCenter, Location mapCenter, Point viewportCenter, double zoomLevel, double heading)
{
ProjectionCenter = projectionCenter;
base.SetViewportTransform(projectionCenter, mapCenter, viewportCenter, zoomLevel, heading);
}
public override string WmsQueryParameters(BoundingBox boundingBox)
{
if (string.IsNullOrEmpty(CrsId))
{
return null;
}
var rect = BoundingBoxToRect(boundingBox);
var width = (int)Math.Round(ViewportScale * rect.Width);
var height = (int)Math.Round(ViewportScale * rect.Height);
return string.Format(CultureInfo.InvariantCulture,
"CRS={0},1,{1},{2}&BBOX={3},{4},{5},{6}&WIDTH={7}&HEIGHT={8}",
CrsId, ProjectionCenter.Longitude, ProjectionCenter.Latitude,
rect.X, rect.Y, (rect.X + rect.Width), (rect.Y + rect.Height), width, height);
}
}
}