/// <summary>
/// Creates and initializes an instance of ReprojectionService.
/// </summary>
/// <param name="sourceMapService">The inner map service that delivers the map images to be re-projected.</param>
/// <param name="crs">The CRS to target by this instance.</param>
/// <param name="reprojector">The re-projector to be used. Uses the default image re-projector if not explicitly set.</param>
/// <param name="reprojectionServiceOptions">Additional options to be used by this map service.</param>
public ReprojectionService(MapService sourceMapService, string crs, ImageReprojector reprojector = null, ReprojectionServiceOptions reprojectionServiceOptions = null)
{
// store parameters
SourceMapService = sourceMapService;
try { TargetToSourceTransformation = CoordinateTransformation.Get(Crs = crs, sourceMapService.Crs); }
catch { throw new ArgumentException("Failed to setup coordinate transformation for source \"" + sourceMapService.Crs + "\" and target \"" + crs + "\""); }
Reprojector = reprojector ?? new ImageReprojector();
ReprojectionServiceOptions = reprojectionServiceOptions ?? new ReprojectionServiceOptions();
}
static void SimpleTest()
{
// create some places
var places = new Place[] {
new Place {
Location = new Location(841090, 5006420), Name = "Frankfurt"
},
new Place {
Location = new Location(1323560, 5230020), Name = "Berlin"
}
};
// get a transformation for transforming from PTV GeoMinSek to PTV Mercator
ICoordinateTransformation t = CoordinateTransformation.Get(
CoordinateReferenceSystem.Mapserver.cfGEOMINSEK,
CoordinateReferenceSystem.XServer.PTV_MERCATOR
);
// transform the places
t.Transform <Place>(
places,
place => place.Location,
(place, loc) => place.Location = loc
);
double d_Frankfurt_Berlin = CoordinateReferenceSystem.XServer.PTV_MERCATOR.GetHaversineDistance(965820, 6458402, 1489888, 6883432);
Console.WriteLine("-- simple test --\n");
// Location l = new Location(1528170, 6623338);
// Location m = new Location(33411907, 5656638);
// Console.WriteLine("" + m + " == " + l.Transform("cfMERCATOR", "cfUTM"));
TestBase.Run();
Console.WriteLine("\n<press return to continue>");
Console.ReadLine();
}
static void Main(string[] args)
{
SimpleTest();
Console.SetWindowSize(120, 60);
Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture;
string r1 = Registry.GetContent();
string r2 = Registry.GetContent(true);
Direct.CoordinateTransformation.Enabled = true;
double x = 8, y = 49;
CoordinateTransformation.Get("EPSG:4326", "PTV_MERCATOR").Transform(x, y, out x, out y);
string wkt = Registry.Get("cfGeoMinSek").WKT;
MessageBox.Show(wkt);
CoordinateReferenceSystem.Parse("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs +custom=Ptv.Components.Projections.Custom.GeoMinSekTransformation");
Registry.SetContent(r1, true, true);
ICoordinateTransformation t = Proj4.CoordinateTransformation.Get("cfGEOMINSEK", "EPSG:76131");
System.Windows.Point p =
new System.Windows.Point(959361, 5332563);
t.Transform(p);
SimpleTest();
ExtendedTest();
}
/// <summary>
/// Transforms a bounding box from one CRS to another returning the resulting BoundingLines structure.
/// </summary>
/// <param name="boundingBox">Bounding box to transform.</param>
/// <param name="sourceCrs">The source CRS.</param>
/// <param name="targetCrs">The target CRS.</param>
/// <param name="nSupportingPoints">Number of supporting points to use.</param>
/// <returns>BoundingLines structure that corresponds to the bounding box in the target CRS.</returns>
public static BoundingLines TransformBoundingBox(this IBoundingBox boundingBox, string sourceCrs, string targetCrs, int nSupportingPoints)
{
return(TransformBoundingBox(boundingBox, CoordinateTransformation.Get(sourceCrs, targetCrs), nSupportingPoints));
}
public Location transform(object from, object to, Location p)
{
return(CoordinateTransformation.Get(from as CoordinateReferenceSystem, to as CoordinateReferenceSystem).Transform(p));
}
private void SetProj4Transform(string spatialReferenceId)
{
var t = CoordinateTransformation.Get(spatialReferenceId, "PTV_MERCATOR");
transform = p => PtvMercatorToCanvas(t.Transform(p));
}
private static Func <Point, Point> TransformProj4(string sourceSrid, string destSrid)
{
return(CoordinateTransformation.Get(sourceSrid, destSrid).Transform);
}