Parameters
- wkt
- The well-known text that represents the spatial reference.
Exception | Description |
---|---|
ArcGIS.Core.CalledOnWrongThreadException | This method or property must be called within the lambda passed to QueuedTask.Run. |
// 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(); } });
// 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