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ClemensFischer 2026-04-13 17:14:49 +02:00
parent c14377f976
commit 65aba44af6
152 changed files with 11962 additions and 12115 deletions
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85
MapControl/Shared/MapProjectionFactory.cs
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@ -1,57 +1,56 @@
using System;
namespace MapControl
namespace MapControl;
public class MapProjectionFactory
{
public class MapProjectionFactory
public MapProjection GetProjection(string crsId)
{
public MapProjection GetProjection(string crsId)
var projection = CreateProjection(crsId);
if (projection == null &&
crsId.StartsWith("EPSG:") &&
int.TryParse(crsId.Substring(5), out int epsgCode))
{
var projection = CreateProjection(crsId);
if (projection == null &&
crsId.StartsWith("EPSG:") &&
int.TryParse(crsId.Substring(5), out int epsgCode))
{
projection = CreateProjection(epsgCode);
}
return projection ?? throw new NotSupportedException($"MapProjection \"{crsId}\" is not supported.");
projection = CreateProjection(epsgCode);
}
protected virtual MapProjection CreateProjection(string crsId)
return projection ?? throw new NotSupportedException($"MapProjection \"{crsId}\" is not supported.");
}
protected virtual MapProjection CreateProjection(string crsId)
{
MapProjection projection = crsId switch
{
MapProjection projection = crsId switch
{
WebMercatorProjection.DefaultCrsId => new WebMercatorProjection(),
WorldMercatorProjection.DefaultCrsId => new WorldMercatorProjection(),
Wgs84UpsNorthProjection.DefaultCrsId => new Wgs84UpsNorthProjection(),
Wgs84UpsSouthProjection.DefaultCrsId => new Wgs84UpsSouthProjection(),
EquirectangularProjection.DefaultCrsId or "CRS:84" => new EquirectangularProjection(crsId),
_ => null
};
WebMercatorProjection.DefaultCrsId => new WebMercatorProjection(),
WorldMercatorProjection.DefaultCrsId => new WorldMercatorProjection(),
Wgs84UpsNorthProjection.DefaultCrsId => new Wgs84UpsNorthProjection(),
Wgs84UpsSouthProjection.DefaultCrsId => new Wgs84UpsSouthProjection(),
EquirectangularProjection.DefaultCrsId or "CRS:84" => new EquirectangularProjection(crsId),
_ => null
};
if (projection == null && crsId.StartsWith(StereographicProjection.DefaultCrsId))
{
projection = new StereographicProjection(crsId);
}
return projection;
if (projection == null && crsId.StartsWith(StereographicProjection.DefaultCrsId))
{
projection = new StereographicProjection(crsId);
}
protected virtual MapProjection CreateProjection(int epsgCode)
return projection;
}
protected virtual MapProjection CreateProjection(int epsgCode)
{
return epsgCode switch
{
return epsgCode switch
{
var c when c is >= Etrs89UtmProjection.FirstZoneEpsgCode
and <= Etrs89UtmProjection.LastZoneEpsgCode => new Etrs89UtmProjection(c % 100),
var c when c is >= Nad83UtmProjection.FirstZoneEpsgCode
and <= Nad83UtmProjection.LastZoneEpsgCode => new Nad83UtmProjection(c % 100),
var c when c is >= Wgs84UtmProjection.FirstZoneNorthEpsgCode
and <= Wgs84UtmProjection.LastZoneNorthEpsgCode => new Wgs84UtmProjection(c % 100, true),
var c when c is >= Wgs84UtmProjection.FirstZoneSouthEpsgCode
and <= Wgs84UtmProjection.LastZoneSouthEpsgCode => new Wgs84UtmProjection(c % 100, false),
_ => null
};
}
var c when c is >= Etrs89UtmProjection.FirstZoneEpsgCode
and <= Etrs89UtmProjection.LastZoneEpsgCode => new Etrs89UtmProjection(c % 100),
var c when c is >= Nad83UtmProjection.FirstZoneEpsgCode
and <= Nad83UtmProjection.LastZoneEpsgCode => new Nad83UtmProjection(c % 100),
var c when c is >= Wgs84UtmProjection.FirstZoneNorthEpsgCode
and <= Wgs84UtmProjection.LastZoneNorthEpsgCode => new Wgs84UtmProjection(c % 100, true),
var c when c is >= Wgs84UtmProjection.FirstZoneSouthEpsgCode
and <= Wgs84UtmProjection.LastZoneSouthEpsgCode => new Wgs84UtmProjection(c % 100, false),
_ => null
};
}
}