MapProjectionFactory throws NotSupportedException

This commit is contained in:
ClemensFischer 2024-09-12 15:48:20 +02:00
parent 85cf0483ec
commit 45b9fb2e89
5 changed files with 48 additions and 23 deletions

View file

@ -58,7 +58,7 @@ namespace MapControl
if (values == null || values.Length != 4 && values.Length != 5) if (values == null || values.Length != 4 && values.Length != 5)
{ {
throw new FormatException("BoundingBox string must contain a comma-separated sequence of four or five floating point numbers."); throw new FormatException($"{nameof(BoundingBox)} string must contain a comma-separated sequence of four or five floating point numbers.");
} }
var rotation = values.Length == 5 var rotation = values.Length == 5

View file

@ -165,8 +165,7 @@ namespace MapControl
{ {
var epsgCode = geoKeyDirectory[i + 3]; var epsgCode = geoKeyDirectory[i + 3];
mapProjection = MapProjectionFactory.Instance.GetProjection($"EPSG:{epsgCode}") ?? mapProjection = MapProjectionFactory.Instance.GetProjection($"EPSG:{epsgCode}");
throw new ArgumentException($"Can not create MapProjection \"EPSG:{epsgCode}\".");
} }
} }
} }

View file

@ -66,7 +66,7 @@ namespace MapControl
if (values?.Length != 2) if (values?.Length != 2)
{ {
throw new FormatException("Location string must contain a comma-separated pair of floating point numbers."); throw new FormatException($"{nameof(Location)} string must contain a comma-separated pair of floating point numbers.");
} }
return new Location( return new Location(

View file

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

View file

@ -5,6 +5,7 @@
using System; using System;
using System.Collections.ObjectModel; using System.Collections.ObjectModel;
using System.Collections.Specialized; using System.Collections.Specialized;
using System.Diagnostics;
using System.Linq; using System.Linq;
#if WPF #if WPF
using System.Windows; using System.Windows;
@ -101,9 +102,15 @@ namespace MapControl.UiTools
{ {
if (selectedProjection != projection) if (selectedProjection != projection)
{ {
selectedProjection = projection; try
Map.MapProjection = MapProjectionFactory.Instance.GetProjection(selectedProjection) ?? {
throw new ArgumentException($"Can not create MapProjection \"{selectedProjection}\"."); Map.MapProjection = MapProjectionFactory.Instance.GetProjection(projection);
selectedProjection = projection;
}
catch (Exception ex)
{
Debug.WriteLine($"{nameof(MapProjectionFactory)}: {ex.Message}");
}
} }
UpdateCheckedStates(); UpdateCheckedStates();