Queries for the image information using the provided search parameters. (Inherited from
IWorkstationDataAccessAgent)
Syntax
Example
| Visual Basic |
 Copy Code |
<Test> _
Public Sub StoreDICOMImages()
Dim dataSet As DicomDataSet = New DicomDataSet()
Dim dataSetPath As String = Path.Combine (ImagesPath.Path, "IMAGE1.DIC")
dataSet.Load (dataSetPath, DicomDataSetLoadFlags.LoadAndClose)
Dim thumbnailPath As String = GenerateThumbnail (dataSet)
Dim dataAccessAgent As IWorkstationDataAccessAgent = Nothing
Try
dataAccessAgent = DataAccessAgentFactory.Instance.CreateAccessAgent ("WorkstationSqlCeConnection")
If Nothing Is dataAccessAgent Then
Console.WriteLine ("You have not configured a valid database connection.")
Return
End If
Catch exception As Exception
Console.WriteLine(exception.Message," :You have not configured a valid database connection.")
Return
End Try
dataAccessAgent.AddDicom (dataSet, "TEST", dataSetPath,thumbnailPath)
Dim queryResult As DicomInformation = dataAccessAgent.QueryDicomInformation (New FindQuery ())
If queryResult.Images.Count > 0 Then
Console.WriteLine (queryResult.Images (0).SOPInstanceUID)
dataAccessAgent.RemoveDicom (queryResult.Images)
Else
Console.WriteLine ("No images found in the database.")
End If
End Sub
Private Function GenerateThumbnail(ByVal dataset As DicomDataSet) As String
Dim codec As RasterCodecs = New RasterCodecs()
Dim imageElement As DicomElement = dataset.FindFirstElement(Nothing, DicomTag.PixelData, False)
If Not Nothing Is imageElement Then
Dim rasterImage As RasterImage
Dim resizeCmd As SizeCommand
Dim thumbImage As String
rasterImage = dataset.GetImage(imageElement, 0, 0, RasterByteOrder.Rgb, DicomGetImageFlags.AutoApplyModalityLut Or DicomGetImageFlags.AutoApplyVoiLut)
If rasterImage.Signed OrElse rasterImage.GrayscaleMode = RasterGrayscaleMode.OrderedInverse Then
Dim cmgGray As GrayscaleCommand
cmgGray = New GrayscaleCommand(8)
cmgGray.Run(rasterImage)
End If
resizeCmd = New SizeCommand(64, 64, RasterSizeFlags.None)
resizeCmd.Run(rasterImage)
thumbImage = Path.Combine (ImagesPath.Path, "Test.jpg")
codec.Save(rasterImage, thumbImage, RasterImageFormat.Jpeg, 24)
Return thumbImage
Else
Return Nothing
End If
End Function |
| C# |
Copy Code |
public void StoreDICOMImages ( )
{
DicomDataSet dataSet = new DicomDataSet();
string dataSetPath = Path.Combine ( ImagesPath.Path, "IMAGE1.DIC" ) ;
dataSet.Load ( dataSetPath, DicomDataSetLoadFlags.LoadAndClose ) ;
string thumbnailPath = GenerateThumbnail ( dataSet ) ;
IWorkstationDataAccessAgent dataAccessAgent = null ;
try
{
//make sure you have configured the application configuration file with a valid
//SqlCe connection string which have the same connection name 'WorkstationSqlCeConnection'
dataAccessAgent = DataAccessAgentFactory.Instance.CreateAccessAgent ( "WorkstationSqlCeConnection" ) ;
if ( null == dataAccessAgent )
{
Console.WriteLine ( "You have not configured a valid database connection." ) ;
return ;
}
}
catch ( Exception exception )
{
Console.WriteLine( exception.Message," :You have not configured a valid database connection.");
return ;
}
dataAccessAgent.AddDicom ( dataSet, "TEST", dataSetPath,thumbnailPath ) ;
//perform a wildcard query for all the database information.
DicomInformation queryResult = dataAccessAgent.QueryDicomInformation ( new FindQuery ( ) ) ;
if ( queryResult.Images.Count > 0 )
{
Console.WriteLine ( queryResult.Images [ 0 ].SOPInstanceUID ) ;
dataAccessAgent.RemoveDicom ( queryResult.Images ) ;
}
else
{
Console.WriteLine ( "No images found in the database." );
}
}
private string GenerateThumbnail
(
DicomDataSet dataset
)
{
RasterCodecs codec = new RasterCodecs();
DicomElement imageElement = dataset.FindFirstElement(null, DicomTag.PixelData, false);
if (null != imageElement)
{
RasterImage rasterImage;
SizeCommand resizeCmd;
string thumbImage;
rasterImage = dataset.GetImage(imageElement,
0,
0,
RasterByteOrder.Rgb,
DicomGetImageFlags.AutoApplyModalityLut | DicomGetImageFlags.AutoApplyVoiLut);
if (rasterImage.Signed || rasterImage.GrayscaleMode == RasterGrayscaleMode.OrderedInverse)
{
GrayscaleCommand cmgGray;
cmgGray = new GrayscaleCommand(8);
cmgGray.Run(rasterImage);
}
resizeCmd = new SizeCommand(64, 64, RasterSizeFlags.None);
resizeCmd.Run(rasterImage);
thumbImage = Path.Combine ( ImagesPath.Path, "Test.jpg" ) ;
codec.Save(rasterImage, thumbImage, RasterImageFormat.Jpeg, 24);
return thumbImage ;
}
else
{
return null ;
}
} |
Requirements
Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family
See Also
