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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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95
MapProjections/Shared/GeoApiProjectionFactory.cs
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@ -8,75 +8,64 @@ namespace MapControl.Projections
{
public class GeoApiProjectionFactory : MapProjectionFactory
{
public static GeoApiProjectionFactory GetInstance()
{
if (!(Instance is GeoApiProjectionFactory factory))
{
factory = new GeoApiProjectionFactory();
Instance = factory;
}
return factory;
}
public Dictionary<int, string> CoordinateSystemWkts { get; } = new Dictionary<int, string>();
public override MapProjection GetProjection(int epsgCode)
{
MapProjection projection = null;
if (CoordinateSystemWkts.TryGetValue(epsgCode, out string wkt))
switch (epsgCode)
{
projection = new GeoApiProjection(wkt);
case WorldMercatorProjection.EpsgCode:
return new WorldMercatorProjection();
case WebMercatorProjection.EpsgCode:
return new WebMercatorProjection();
case int c when c >= Ed50UtmProjection.FirstZoneEpsgCode && c <= Ed50UtmProjection.LastZoneEpsgCode:
return new Ed50UtmProjection(epsgCode % 100);
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 >= Nad83UtmProjection.FirstZoneEpsgCode && c <= Nad83UtmProjection.LastZoneEpsgCode:
return new Nad83UtmProjection(epsgCode % 100);
case var c when c >= Wgs84UtmProjection.FirstZoneNorthEpsgCode && c <= Wgs84UtmProjection.LastZoneNorthEpsgCode:
return new Wgs84UtmProjection(epsgCode % 100, true);
case var c when c >= Wgs84UtmProjection.FirstZoneSouthEpsgCode && c <= Wgs84UtmProjection.LastZoneSouthEpsgCode:
return new Wgs84UtmProjection(epsgCode % 100, false);
default:
return CoordinateSystemWkts.TryGetValue(epsgCode, out string wkt)
? new GeoApiProjection(wkt)
: base.GetProjection(epsgCode);
}
else
{
switch (epsgCode)
{
case WorldMercatorProjection.DefaultEpsgCode:
projection = new WorldMercatorProjection();
break;
case WebMercatorProjection.DefaultEpsgCode:
projection = new WebMercatorProjection();
break;
case int c when c >= Ed50UtmProjection.FirstZoneEpsgCode && c <= Ed50UtmProjection.LastZoneEpsgCode:
projection = new Ed50UtmProjection(epsgCode % 100);
break;
case var c when c >= Etrs89UtmProjection.FirstZoneEpsgCode && c <= Etrs89UtmProjection.LastZoneEpsgCode:
projection = new Etrs89UtmProjection(epsgCode % 100);
break;
case var c when c >= Nad27UtmProjection.FirstZoneEpsgCode && c <= Nad27UtmProjection.LastZoneEpsgCode:
projection = new Nad27UtmProjection(epsgCode % 100);
break;
case var c when c >= Nad83UtmProjection.FirstZoneEpsgCode && c <= Nad83UtmProjection.LastZoneEpsgCode:
projection = new Nad83UtmProjection(epsgCode % 100);
break;
case var c when c >= Wgs84UtmProjection.FirstZoneNorthEpsgCode && c <= Wgs84UtmProjection.LastZoneNorthEpsgCode:
projection = new Wgs84UtmProjection(epsgCode % 100, true);
break;
case var c when c >= Wgs84UtmProjection.FirstZoneSouthEpsgCode && c <= Wgs84UtmProjection.LastZoneSouthEpsgCode:
projection = new Wgs84UtmProjection(epsgCode % 100, false);
break;
default:
break;
}
}
return projection ?? base.GetProjection(epsgCode);
}
public override MapProjection GetProjection(string crsId)
{
MapProjection projection = null;
switch (crsId)
{
case Wgs84AutoUtmProjection.DefaultCrsId:
projection = new Wgs84AutoUtmProjection();
break;
return new Wgs84AutoUtmProjection();
default:
break;
return base.GetProjection(crsId);
}
return projection ?? base.GetProjection(crsId);
}
}
}