ClemensFischer/XAML-Map-Control
1
0
Fork 0
mirror of https://github.com/ClemensFischer/XAML-Map-Control.git synced 2026-01-31 04:44:14 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

MapProjection.EnableCenterUpdates method

Browse source
This commit is contained in:
ClemensFischer 2026-01-24 22:41:25 +01:00
parent 98f057ca0c
commit b0352c8f94
7 changed files with 24 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
MapControl/Shared/AzimuthalProjection.cs
View file

@ -7,8 +7,9 @@ namespace MapControl
{
public abstract class AzimuthalProjection : MapProjection
{
protected AzimuthalProjection() : base(true)
protected AzimuthalProjection()
{
EnableCenterUpdates();
}
public readonly struct ProjectedPoint

9
MapControl/Shared/MapProjection.cs
View file

@ -17,7 +17,7 @@ namespace MapControl
#else
[System.ComponentModel.TypeConverter(typeof(MapProjectionConverter))]
#endif
public abstract class MapProjection(bool hasCenter = false)
public abstract class MapProjection
{
public const double Wgs84EquatorialRadius = 6378137d;
public const double Wgs84Flattening = 1d / 298.257223563;
@ -56,7 +56,7 @@ namespace MapControl
public double MeterPerDegree => EquatorialRadius * Math.PI / 180d;
private Location center;
private bool updateCenter = hasCenter;
private bool updateCenter;
/// <summary>
/// Gets or sets an optional projection center. If the property is set to a non-null value,
@ -77,6 +77,11 @@ namespace MapControl
}
}
protected void EnableCenterUpdates()
{
updateCenter = true;
}
/// <summary>
/// Called by MapBase.UpdateTransform().
/// </summary>

1
MapControl/Shared/Wgs84AutoTmProjection.cs
View file

@ -16,6 +16,7 @@
public Wgs84AutoTmProjection(string crsId)
{
CrsId = crsId;
EnableCenterUpdates();
}
protected override void CenterChanged()

2
MapControl/Shared/Wgs84AutoUtmProjection.cs
View file

@ -28,6 +28,8 @@ namespace MapControl
{
CrsId = autoCrsId;
}
EnableCenterUpdates();
}
protected override void CenterChanged()

3
MapProjections/Shared/ProjNetMapProjection.cs
View file

@ -14,8 +14,7 @@ namespace MapControl.Projections
/// </summary>
public class ProjNetMapProjection : MapProjection
{
protected ProjNetMapProjection(bool hasCenter = false)
: base(hasCenter)
protected ProjNetMapProjection()
{
}

20
MapProjections/Shared/Wgs84OrthographicProjection.cs
View file

@ -12,23 +12,23 @@ namespace MapControl.Projections
public class Wgs84OrthographicProjection : ProjNetMapProjection
{
public Wgs84OrthographicProjection()
: base(true)
{
EnableCenterUpdates();
CenterChanged();
}
protected override void CenterChanged()
{
var wktFormat =
"PROJCS[\"WGS 84 / World Mercator\"," +
WktConstants.GeogCsWgs84 + "," +
"PROJECTION[\"Orthographic\"]," +
"PARAMETER[\"latitude_of_origin\",{0:0.########}]," +
"PARAMETER[\"central_meridian\",{1:0.########}]," +
"UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]]," +
"AXIS[\"Easting\",EAST]," +
"AXIS[\"Northing\",NORTH]" +
"AUTHORITY[\"AUTO2\",\"42003\"]]";
"PROJCS[\"WGS 84 / World Mercator\"," +
WktConstants.GeogCsWgs84 + "," +
"PROJECTION[\"Orthographic\"]," +
"PARAMETER[\"latitude_of_origin\",{0:0.########}]," +
"PARAMETER[\"central_meridian\",{1:0.########}]," +
"UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]]," +
"AXIS[\"Easting\",EAST]," +
"AXIS[\"Northing\",NORTH]" +
"AUTHORITY[\"AUTO2\",\"42003\"]]";
CoordinateSystemWkt = string.Format(
CultureInfo.InvariantCulture, wktFormat, Center.Latitude, Center.Longitude);

2
MapProjections/Shared/Wgs84StereographicProjection.cs
View file

@ -12,8 +12,8 @@ namespace MapControl.Projections
public class Wgs84StereographicProjection : ProjNetMapProjection
{
public Wgs84StereographicProjection()
: base(true)
{
EnableCenterUpdates();
CenterChanged();
}