Update GeoApiProjectionFactory.cs

This commit is contained in:
Clemens 2022-01-24 21:00:20 +01:00
parent 0d602be611
commit b921600e1b

View file

@ -21,17 +21,19 @@ namespace MapControl.Projections
public const int Wgs84UtmSouthLast = 32760; public const int Wgs84UtmSouthLast = 32760;
public const int Wgs84UpsSouth = 32761; public const int Wgs84UpsSouth = 32761;
public Dictionary<string, string> CoordinateSystemWkts { get; } = new Dictionary<string, string>(); public Dictionary<int, string> CoordinateSystemWkts { get; } = new Dictionary<int, string>();
public override MapProjection GetProjection(string crsId) public override MapProjection GetProjection(string crsId)
{ {
MapProjection projection = null; MapProjection projection = null;
if (CoordinateSystemWkts.TryGetValue(crsId, out string wkt)) if (crsId.StartsWith("EPSG:") && int.TryParse(crsId.Substring(5), out int epsgCode))
{
if (CoordinateSystemWkts.TryGetValue(epsgCode, out string wkt))
{ {
projection = new GeoApiProjection(wkt); projection = new GeoApiProjection(wkt);
} }
else if (crsId.StartsWith("EPSG:") && int.TryParse(crsId.Substring(5), out int epsgCode)) else
{ {
switch (epsgCode) switch (epsgCode)
{ {
@ -71,6 +73,7 @@ namespace MapControl.Projections
break; break;
} }
} }
}
return projection ?? base.GetProjection(crsId); return projection ?? base.GetProjection(crsId);
} }