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MapProjectionFactory throws NotSupportedException

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ClemensFischer 2024-09-12 15:48:20 +02:00
parent 85cf0483ec
commit 45b9fb2e89
5 changed files with 48 additions and 23 deletions
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51
MapControl/Shared/MapProjectionFactory.cs
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@ -2,6 +2,8 @@
// Copyright © 2024 Clemens Fischer
// Licensed under the Microsoft Public License (Ms-PL)
using System;
namespace MapControl
{
public class MapProjectionFactory
@ -16,48 +18,65 @@ namespace MapControl
public virtual MapProjection GetProjection(string crsId)
{
MapProjection projection = null;
switch (crsId)
{
case WebMercatorProjection.DefaultCrsId:
return new WebMercatorProjection();
projection = new WebMercatorProjection();
break;
case WorldMercatorProjection.DefaultCrsId:
return new WorldMercatorProjection();
projection = new WorldMercatorProjection();
break;
case EquirectangularProjection.DefaultCrsId:
case "CRS:84":
case "EPSG:4087":
return new EquirectangularProjection(crsId);
projection = new EquirectangularProjection(crsId);
break;
case UpsNorthProjection.DefaultCrsId:
return new UpsNorthProjection();
projection = new UpsNorthProjection();
break;
case UpsSouthProjection.DefaultCrsId:
return new UpsSouthProjection();
projection = new UpsSouthProjection();
break;
case Wgs84AutoUtmProjection.DefaultCrsId:
return new Wgs84AutoUtmProjection();
projection = new Wgs84AutoUtmProjection();
break;
case OrthographicProjection.DefaultCrsId:
return new OrthographicProjection();
projection = new OrthographicProjection();
break;
case AutoEquirectangularProjection.DefaultCrsId:
return new AutoEquirectangularProjection();
projection = new AutoEquirectangularProjection();
break;
case GnomonicProjection.DefaultCrsId:
return new GnomonicProjection();
projection = new GnomonicProjection();
break;
case StereographicProjection.DefaultCrsId:
return new StereographicProjection();
projection = new StereographicProjection();
break;
case AzimuthalEquidistantProjection.DefaultCrsId:
return new AzimuthalEquidistantProjection();
projection = new AzimuthalEquidistantProjection();
break;
default:
return crsId.StartsWith("EPSG:") && int.TryParse(crsId.Substring(5), out int epsgCode)
? GetProjection(epsgCode)
: null;
if (crsId.StartsWith("EPSG:") && int.TryParse(crsId.Substring(5), out int epsgCode))
{
projection = GetProjection(epsgCode);
}
break;
}
return projection ?? throw new NotSupportedException($"MapProjection \"{crsId}\" is not supported.");
}
public virtual MapProjection GetProjection(int epsgCode)
@ -67,8 +86,8 @@ namespace MapControl
case var c when c >= Etrs89UtmProjection.FirstZoneEpsgCode && c <= Etrs89UtmProjection.LastZoneEpsgCode:
return new Etrs89UtmProjection(epsgCode % 100);
case var c when c >= Nad27UtmProjection.FirstZoneEpsgCode && c <= Nad27UtmProjection.LastZoneEpsgCode:
return new Nad27UtmProjection(epsgCode % 100);
//case var c when c >= Nad27UtmProjection.FirstZoneEpsgCode && c <= Nad27UtmProjection.LastZoneEpsgCode:
// return new Nad27UtmProjection(epsgCode % 100);
case var c when c >= Nad83UtmProjection.FirstZoneEpsgCode && c <= Nad83UtmProjection.LastZoneEpsgCode:
return new Nad83UtmProjection(epsgCode % 100);