ClemensFischer/XAML-Map-Control
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EPSG Codes & CRS IDs

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ClemensFischer 2024-07-12 13:57:27 +02:00
parent b74e5aaf7a
commit ce6f190bf1
18 changed files with 151 additions and 195 deletions
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49
MapProjections/Shared/Wgs84UtmProjection.cs
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@ -22,10 +22,6 @@ namespace MapControl.Projections
public int Zone { get; private set; }
public bool IsNorth { get; private set; }
protected Wgs84UtmProjection()
{
}
public Wgs84UtmProjection(int zone, bool north)
{
SetZone(zone, north);
@ -51,40 +47,41 @@ namespace MapControl.Projections
{
public const string DefaultCrsId = "AUTO2:42001";
public Wgs84AutoUtmProjection(bool useZoneCrsId = false)
{
UseZoneCrsId = useZoneCrsId;
UpdateZone();
}
private readonly string autoCrsId;
public bool UseZoneCrsId { get; }
public Wgs84AutoUtmProjection(string crsId = DefaultCrsId)
: base(31, true)
{
autoCrsId = crsId;
if (!string.IsNullOrEmpty(autoCrsId))
{
CrsId = autoCrsId;
}
}
public override Location Center
{
get => base.Center;
set
protected set
{
if (!Equals(base.Center, value))
{
base.Center = value;
UpdateZone();
}
}
}
private void UpdateZone()
{
var lon = Location.NormalizeLongitude(Center.Longitude);
var zone = (int)Math.Floor(lon / 6d) + 31;
var north = Center.Latitude >= 0d;
var lon = Location.NormalizeLongitude(value.Longitude);
var zone = (int)Math.Floor(lon / 6d) + 31;
var north = value.Latitude >= 0d;
if (Zone != zone || IsNorth != north || string.IsNullOrEmpty(CrsId))
{
SetZone(zone, north);
if (Zone != zone || IsNorth != north)
{
SetZone(zone, north);
if (!UseZoneCrsId)
{
CrsId = DefaultCrsId;
if (!string.IsNullOrEmpty(autoCrsId))
{
CrsId = autoCrsId;
}
}
}
}
}