SpatialReferenceBuilder Constructor(String)
Creates a new instance of the SpatialReferenceBuilder class. This method must be called on the MCT. Use QueuedTask.Run.
public SpatialReferenceBuilder(
string
)
Public Function New( _
ByVal As String _
)
Parameters
- wkt
- The well-known text that represents the spatial reference.
Construct a SpatialReference - from a string
// Use a builder convenience method or use a builder constructor.
string wkt = "GEOGCS[\"MyGCS84\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Radian\",1.0]]";
// SpatialReferenceBuilder convenience methods don't need to run on the MCT.
SpatialReference sr = SpatialReferenceBuilder.CreateSpatialReference(wkt);
// SpatialReferenceBuilder constructors need to run on the MCT.
ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
using (SpatialReferenceBuilder builder = new SpatialReferenceBuilder(wkt))
{
// do something with the builder
SpatialReference anotherSR = builder.ToSpatialReference();
}
});
Construct a SpatialReference with a custom PCS - from a string
// Use a builder convenience method or use a builder constructor.
// Custom PCS, Predefined GCS
string customWkt = "PROJCS[\"WebMercatorMile\",GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Mercator_Auxiliary_Sphere\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",0.0],PARAMETER[\"Auxiliary_Sphere_Type\",0.0],UNIT[\"Mile\",1609.344000614692]]";
// Builder convenience methods don't need to run on the MCT.
SpatialReference spatialReference = SpatialReferenceBuilder.CreateSpatialReference(customWkt);
// SpatialReferenceBuilder properties
// spatialReference.Wkt == customWkt
// spatialReference.Wkid == 0
// spatialReference.VcsWkid == 0
// spatialReference.GcsWkid == 4326
SpatialReference gcs = spatialReference.Gcs;
// gcs.Wkid == 4326
// gcs.IsGeographic == true
// spatialReference.GcsWkt == gcs.Wkt
// SpatialReferenceBuilder constructors need to run on the MCT.
ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
using (SpatialReferenceBuilder sb = new SpatialReferenceBuilder(customWkt))
{
// do something with the builder
spatialReference = sb.ToSpatialReference();
}
});
Target Platforms: Windows 11, Windows 10
ArcGIS Pro version: 3 or higher.