ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Data.Raster Namespace / RasterStorageDef Class / SetCompressionQuality Method
The compression quality to set.
Example Version

SetCompressionQuality Method
Sets the compression quality of the raster to be stored on this raster storage definition. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public void SetCompressionQuality( 
   int quality
)

Parameters

quality
The compression quality to set.
Remarks
The compression quality property specifies the compression quality if the compression type is JPEG or JPEG 2000. The valid range is 5 to 95 where 95 is the best quality. By default, the compression quality is set to 75.
Example
Write a compressed image to a raster field
QueuedTask.Run(() =>
{
  //Open the raster dataset on disk and create a compressed raster value dataset object
  var dataStore = new ArcGIS.Core.Data.FileSystemDatastore(new ArcGIS.Core.Data.FileSystemConnectionPath(new System.Uri(@"e:\temp"), ArcGIS.Core.Data.FileSystemDatastoreType.Raster));
  using (var fileRasterDataset = dataStore.OpenDataset<ArcGIS.Core.Data.Raster.RasterDataset>("Hydrant.jpg"))
  {
    var storageDef = new ArcGIS.Core.Data.Raster.RasterStorageDef();
    storageDef.SetCompressionType(ArcGIS.Core.Data.Raster.RasterCompressionType.JPEG);
    storageDef.SetCompressionQuality(90);

    var rv = new ArcGIS.Core.Data.Raster.RasterValue();
    rv.SetRasterDataset(fileRasterDataset);
    rv.SetRasterStorageDef(storageDef);

    var sel = MapView.Active.Map.GetSelection();

    //insert a raster value object into the raster field
    var insp = new ArcGIS.Desktop.Editing.Attributes.Inspector();
    insp.Load(sel.ToDictionary().Keys.First(), sel.ToDictionary().Values.First());
    insp["Photo"] = rv;

    var op = new EditOperation() { Name = "Raster Inspector" };
    op.Modify(insp);
    if (!op.IsEmpty)
    {
      var result = op.Execute(); //Execute and ExecuteAsync will return true if the operation was successful and false if not
    }
  }
});
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also