SetPixelFile Method (DicomDataSet)

In This Topic

Maps an external file as the pixel data

Syntax

Visual Basic
C#

'Declaration
 
Public Sub SetPixelFile( _
   ByVal FileName As System.String, _
   ByVal TransferSyntax As System.String, _
   ByVal InitialOffset As System.Long, _
   ByVal FrameOffset As System.Long _
)

public void SetPixelFile( 
   System.string FileName,
   System.string TransferSyntax,
   System.long InitialOffset,
   System.long FrameOffset
)

Parameters

FileName: The name of the external file
TransferSyntax: Input Transfer Syntax of the Pixel Data
InitialOffset: The offset in the file of the start of the first frame
FrameOffset: The offset in the file between the start of one frame, and the start of the next

Remarks

The PixelData attribute (7FE0, 0010) is set after calling this method and Pixel data is read from the specified external file only when image rendering is about to happen.

Example

DicomDataSet ds = new DicomDataSet();
                     
string filename = "dataset.data";
string transferSyntax = TransferSyntaxes.ExplicitVRLittleEndian;
long initialOffset = 0;
long frameOffset = 0; 
                     
ds.Add(Keyword.SamplesPerPixel, 1);
ds.Add(Keyword.PhotometricInterpretation, "MONOCHROME2");
ds.Add(Keyword.Rows, 512);
ds.Add(Keyword.Columns, 512);
ds.Add(Keyword.PixelSpacing, new float[] { 0.684f, 0.684f });
ds.Add(Keyword.BitsAllocated, 16);
ds.Add(Keyword.BitsStored, 12);
ds.Add(Keyword.HighBit, 11);
ds.Add(Keyword.PixelRepresentation, 0);
ds.Add(Keyword.WindowCenter, new int[] { 35, 50 });
ds.Add(Keyword.WindowWidth, new int[] { 350, 150 });
ds.Add(Keyword.RescaleIntercept, -1200);
ds.Add(Keyword.RescaleSlope, 1);
                     
ds.SetPixelFile(filename, transferSyntax, initialOffset, frameOffset);

Requirements

Target Platforms: .NET CLR 4.8 or higher

Reference

DicomDataSet Class
DicomDataSet Members

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