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Update GeoApiProjectionFactory.cs

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This commit is contained in:
Clemens 2022-01-24 21:00:20 +01:00
parent 0d602be611
commit b921600e1b
1 changed files with 36 additions and 33 deletions
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9
MapProjections/Shared/GeoApiProjectionFactory.cs
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@ -21,17 +21,19 @@ namespace MapControl.Projections
public const int Wgs84UtmSouthLast = 32760;
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)
{
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);
}
else if (crsId.StartsWith("EPSG:") && int.TryParse(crsId.Substring(5), out int epsgCode))
else
{
switch (epsgCode)
{
@ -71,6 +73,7 @@ namespace MapControl.Projections
break;
}
}
}
return projection ?? base.GetProjection(crsId);
}