/// <summary>
/// Initializes a new instance of <see cref="Frame"/> with the
/// specified parameters.
/// </summary>
/// <param name="parentImageSop">The parent <see cref="ImageSop"/>.</param>
/// <param name="frameNumber">The first frame is frame 1.</param>
protected internal Frame(ImageSop parentImageSop, int frameNumber)
{
Platform.CheckForNullReference(parentImageSop, "parentImageSop");
Platform.CheckPositive(frameNumber, "frameNumber");
_parentImageSop = parentImageSop;
_frameNumber = frameNumber;
}
/// <summary>
/// Initializes a new instance of <see cref="Frame"/> with the
/// specified parameters.
/// </summary>
/// <param name="parentImageSop">The parent <see cref="ImageSop"/>.</param>
/// <param name="frameNumber">The first frame is frame 1.</param>
protected internal Frame(ImageSop parentImageSop, int frameNumber)
{
Platform.CheckForNullReference(parentImageSop, "parentImageSop");
Platform.CheckPositive(frameNumber, "frameNumber");
_parentImageSop = parentImageSop;
_frameNumber = frameNumber;
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
_frame = null;
_dicomFile = null;
if (_imageSop != null)
{
_imageSop.Dispose();
_imageSop = null;
}
if (_sopDataSource != null)
{
_sopDataSource.Dispose();
_sopDataSource = null;
}
if (_filename != null)
{
if (File.Exists(_filename))
File.Delete(_filename);
_filename = null;
}
}
base.Dispose(disposing);
}
private static void TestVolume(bool signed, VolumeFunction f, IEnumerable<IVolumeSlicerParams> slicerParams, string testName, ImageKernelFunction imageKernel, VolumeKernelFunction volumeKernel)
{
const int FULL_SCALE = 65535;
VolumeFunction normalizedFunction = f.Normalize(100);
using (Volume volume = normalizedFunction.CreateVolume(100, signed))
{
float offset = signed ? -32768 : 0;
foreach (IVolumeSlicerParams slicing in slicerParams)
{
List<double> list = new List<double>();
using (VolumeSlicer slicer = new VolumeSlicer(volume, slicing, DicomUid.GenerateUid().UID))
{
foreach (ISopDataSource slice in slicer.CreateSlices())
{
using (ImageSop imageSop = new ImageSop(slice))
{
foreach (IPresentationImage image in PresentationImageFactory.Create(imageSop))
{
IImageSopProvider imageSopProvider = (IImageSopProvider) image;
IImageGraphicProvider imageGraphicProvider = (IImageGraphicProvider) image;
DicomImagePlane dip = DicomImagePlane.FromImage(image);
for (int y = 1; y < imageSopProvider.Frame.Rows - 1; y++)
{
for (int x = 1; x < imageSopProvider.Frame.Columns - 1; x++)
{
// pixels on the extreme sides of the volume tend to have more interpolation error due to MPR padding values
Vector3D vector = dip.ConvertToPatient(new PointF(x, y)); // +new Vector3D(-0.5f, -0.5f, 0);
if (Between(vector.X, 1, 98) && Between(vector.Y, 1, 98) && Between(vector.Z, 1, 98))
{
float expected = volumeKernel.Invoke(normalizedFunction, vector.X, vector.Y, vector.Z) + offset;
float actual = imageKernel.Invoke(imageGraphicProvider.ImageGraphic.PixelData, x, y);
list.Add(Math.Abs(expected - actual));
}
}
}
image.Dispose();
}
}
slice.Dispose();
}
}
Statistics stats = new Statistics(list);
Trace.WriteLine(string.Format("Testing {0}", testName));
Trace.WriteLine(string.Format("\tFunction/Slicing: {0} / {1}", normalizedFunction.Name, slicing.Description));
Trace.WriteLine(string.Format("\t Pixel Rep: {0}", signed ? "signed" : "unsigned"));
Trace.WriteLine(string.Format("\t Voxels Compared: {0}", list.Count));
Trace.WriteLine(string.Format("\t Mean Delta: {0:f2} ({1:p2} of full scale)", stats.Mean, stats.Mean/FULL_SCALE));
Trace.WriteLine(string.Format("\t StdDev Delta: {0:f2} ({1:p2} of full scale)", stats.StandardDeviation, stats.StandardDeviation/FULL_SCALE));
Assert.Less(stats.Mean, FULL_SCALE*0.05, "Mean delta exceeds 5% of full scale ({0})", FULL_SCALE);
Assert.Less(stats.StandardDeviation, FULL_SCALE*0.05, "StdDev delta exceeds 5% of full scale ({0})", FULL_SCALE);
}
}
}
public TestPresentationImage() : base(TestPattern.CreateRGBKCorners(new Size(_width, _height)))
{
DicomFile dcf = new DicomFile();
dcf.DataSet[DicomTags.StudyInstanceUid].SetStringValue("1");
dcf.DataSet[DicomTags.SeriesInstanceUid].SetStringValue("2");
dcf.DataSet[DicomTags.SopInstanceUid].SetStringValue("3");
dcf.DataSet[DicomTags.SopClassUid].SetStringValue(SopClass.SecondaryCaptureImageStorageUid);
dcf.DataSet[DicomTags.InstanceNumber].SetStringValue("1");
dcf.DataSet[DicomTags.NumberOfFrames].SetStringValue("1");
dcf.MetaInfo[DicomTags.TransferSyntaxUid].SetStringValue(TransferSyntax.ImplicitVrLittleEndianUid);
dcf.MetaInfo[DicomTags.MediaStorageSopClassUid].SetStringValue(SopClass.SecondaryCaptureImageStorageUid);
dcf.MetaInfo[DicomTags.MediaStorageSopInstanceUid].SetStringValue("3");
_imageSop = new ImageSop(new TestDataSource(dcf));
}
public override bool Start(IMouseInformation mouseInformation)
{
if (this.SelectedImageGraphicProvider == null)
return false;
_selectedTile = mouseInformation.Tile as Tile;
_selectedTile.InformationBox = new InformationBox();
_selectedImageGraphic = this.SelectedImageGraphicProvider.ImageGraphic;
_selectedImageSop = (this.SelectedPresentationImage as IImageSopProvider).ImageSop;
Probe(mouseInformation.Location);
return true;
}
public MockDicomPresentationImage(string filename) : base(new GrayscaleImageGraphic(10, 10))
{
if (Path.IsPathRooted(filename))
_filename = filename;
else
_filename = Path.Combine(Environment.CurrentDirectory, filename);
_dicomFile = new DicomFile();
_dicomFile.DataSet[DicomTags.SopClassUid].SetStringValue(SopClass.SecondaryCaptureImageStorageUid);
_dicomFile.DataSet[DicomTags.SopInstanceUid].SetStringValue(DicomUid.GenerateUid().UID);
_dicomFile.MetaInfo[DicomTags.MediaStorageSopClassUid].SetStringValue(_dicomFile.DataSet[DicomTags.SopClassUid].ToString());
_dicomFile.MetaInfo[DicomTags.MediaStorageSopInstanceUid].SetStringValue(_dicomFile.DataSet[DicomTags.SopInstanceUid].ToString());
_dicomFile.Save(_filename);
_sopDataSource = new LocalSopDataSource(_dicomFile);
_imageSop = new ImageSop(_sopDataSource);
_frame = new MockFrame(_imageSop, 1);
}
private static DynamicTePresentationImage CreateT2Image(ImageSop imageSop, Frame frame)
{
DicomFile pdMap = FindMap(imageSop.StudyInstanceUID, frame.SliceLocation, "PD");
pdMap.Load(DicomReadOptions.Default);
DicomFile t2Map = FindMap(imageSop.StudyInstanceUID, frame.SliceLocation, "T2");
t2Map.Load(DicomReadOptions.Default);
DicomFile probMap = FindMap(imageSop.StudyInstanceUID, frame.SliceLocation, "CHI2PROB");
probMap.Load(DicomReadOptions.Default);
DynamicTePresentationImage t2Image = new DynamicTePresentationImage(
frame,
(byte[])pdMap.DataSet[DicomTags.PixelData].Values,
(byte[])t2Map.DataSet[DicomTags.PixelData].Values,
(byte[])probMap.DataSet[DicomTags.PixelData].Values);
t2Image.DynamicTe.Te = 50.0f;
return t2Image;
}
public List<BitmapSource> ReturnImageListFromFile(string filePath)
{
List<BitmapSource> bmpImageList = new List<BitmapSource>();
LocalSopDataSource dicomDataSource = new LocalSopDataSource(filePath);
ImageSop imageSop = new ImageSop(dicomDataSource);
IEnumerable images = PresentationImageFactory.Create(imageSop).ToArray();
int i = 1;
foreach (IPresentationImage presentationImage in images)
{
int width = imageSop.Frames[i].Columns;
int height = imageSop.Frames[i].Rows;
Bitmap bmp = presentationImage.DrawToBitmap(width, height);
dicomImages.Add(new DicomImage { Bitmap = Imaging.CreateBitmapSourceFromHBitmap(bmp.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromWidthAndHeight(width, height)) });
i++;
}
return bmpImageList;
}
protected internal byte[] GetOverlay(Frame baseFrame, out OverlayFrameParams overlayFrameParams)
{
var volume = this.Volume;
// compute the bounds of the target base image frame in patient coordinates
var baseTopLeft = baseFrame.ImagePlaneHelper.ConvertToPatient(new PointF(0, 0));
var baseTopRight = baseFrame.ImagePlaneHelper.ConvertToPatient(new PointF(baseFrame.Columns, 0));
var baseBottomLeft = baseFrame.ImagePlaneHelper.ConvertToPatient(new PointF(0, baseFrame.Rows));
var baseFrameCentre = (baseTopRight + baseBottomLeft)/2;
// compute the rotated volume slicing basis axes
var volumeXAxis = (volume.ConvertToVolume(baseTopRight) - volume.ConvertToVolume(baseTopLeft)).Normalize();
var volumeYAxis = (volume.ConvertToVolume(baseBottomLeft) - volume.ConvertToVolume(baseTopLeft)).Normalize();
var volumeZAxis = volumeXAxis.Cross(volumeYAxis);
var @params = new VolumeSlicerParams(volumeXAxis, volumeYAxis, volumeZAxis);
using (var slice = new VolumeSliceSopDataSource(volume, @params, volume.ConvertToVolume(baseFrameCentre)))
{
using (var sliceSop = new ImageSop(slice))
{
using (var overlayFrame = sliceSop.Frames[1])
{
// compute the bounds of the target overlay image frame in patient coordinates
var overlayTopLeft = overlayFrame.ImagePlaneHelper.ConvertToPatient(new PointF(0, 0));
var overlayTopRight = overlayFrame.ImagePlaneHelper.ConvertToPatient(new PointF(overlayFrame.Columns, 0));
var overlayBottomLeft = overlayFrame.ImagePlaneHelper.ConvertToPatient(new PointF(0, overlayFrame.Rows));
var overlayOffset = overlayTopLeft - baseTopLeft;
// compute the overlay and base image resolution in pixels per unit patient space (mm).
var overlayResolutionX = overlayFrame.Columns/(overlayTopRight - overlayTopLeft).Magnitude;
var overlayResolutionY = overlayFrame.Rows/(overlayBottomLeft - overlayTopLeft).Magnitude;
var baseResolutionX = baseFrame.Columns/(baseTopRight - baseTopLeft).Magnitude;
var baseResolutionY = baseFrame.Rows/(baseBottomLeft - baseTopLeft).Magnitude;
// compute parameters to register the overlay on the base image
var scale = new PointF(baseResolutionX/overlayResolutionX, baseResolutionY/overlayResolutionY);
var offset = new PointF(overlayOffset.X*overlayResolutionX, overlayOffset.Y*overlayResolutionY);
//TODO (CR Sept 2010): could this be negative?
// validate computed transform parameters
Platform.CheckTrue(overlayOffset.Z < 0.5f, "Compute OffsetZ != 0");
overlayFrameParams = new OverlayFrameParams(
overlayFrame.Rows, overlayFrame.Columns,
overlayFrame.BitsAllocated, overlayFrame.BitsStored,
overlayFrame.HighBit, overlayFrame.PixelRepresentation != 0 ? true : false,
overlayFrame.PhotometricInterpretation == PhotometricInterpretation.Monochrome1 ? true : false,
overlayFrame.RescaleSlope, overlayFrame.RescaleIntercept,
scale, offset);
return overlayFrame.GetNormalizedPixelData();
}
}
}
}
protected internal AsyncFrame(ImageSop parentImageSop, int frameNumber)
: base(parentImageSop, frameNumber)
{
SupportsAsync = ParentImageSop.DataSource.GetFrameData(FrameNumber) is IAsyncSopFrameData;
}
public StoredLayout GetLayout(ImageSop imageSop)
{
if (imageSop == null)
return this.DefaultLayout;
return GetLayout(imageSop.Modality);
}
private static void AssertExposureParameter(string expectedValue, ImageSop imageSop, ExposureParameterGetter function, string message)
{
Assert.AreEqual(expectedValue, function.Invoke(imageSop.Frames[1], @"{0}"), message);
}
/// <summary>
/// Creates an appropriate subclass of <see cref="BasicPresentationImage"/>
/// for each <see cref="Frame"/> in the input <see cref="ImageSop"/>.
/// </summary>
public static List<IPresentationImage> Create(ImageSop imageSop)
{
return _defaultInstance.CreateImages(imageSop);
}
/// <summary>
/// Creates the presentation images for a given image SOP.
/// </summary>
/// <param name="imageSop">The image SOP from which presentation images are to be created.</param>
/// <returns>A list of created presentation images.</returns>
protected virtual List<IPresentationImage> CreateImages(ImageSop imageSop)
{
return CollectionUtils.Map(imageSop.Frames, (Frame frame) => CreateImage(frame));
}
public static bool IsValid(TreeNode node)
{
try
{
LocalSopDataSource _dicomDataSource = new LocalSopDataSource(((FileInfo)node.Tag).FullName);
ImageSop isop = new ImageSop(_dicomDataSource);
//DicomFile dcf = new DicomFile(((FileInfo)node.Tag).FullName);
//dcf.Load(DicomReadOptions.DoNotStorePixelDataInDataSet);
//00:00:01.5625000
//00:00:01.7625000
//00:00:00.0468750
}
catch (Exception ex)
{
return false;
}
return true;
}
public static bool ConvertDcmToPng(DbStudy study)
{
try
{
string dcmPath = ADCM.GetStoreString();
string studyPath = Path.Combine(dcmPath, study.study_uid);
if (!Directory.Exists(studyPath))
throw new Exception("Study path not found");
var allSeriesPaths = Directory.GetDirectories(studyPath);
if (allSeriesPaths.Length < 1)
throw new Exception("No series subdirectories");
foreach (var s in allSeriesPaths)
{
var dcmFiles = Directory.GetFiles(s, "*.dcm");
if (dcmFiles.Length < 1)
throw new Exception("No DCM files inside series path: " + s);
DicomFile tempdcm = new DicomFile(dcmFiles[0]);
tempdcm.Load();
var seriesName = tempdcm.DataSet[DicomTags.SeriesDescription].GetString(0, null);
var seriesUID = s.Substring(s.LastIndexOf(Path.DirectorySeparatorChar) + 1);
if (string.IsNullOrEmpty(seriesName))
seriesName = "Unamed_Series";
APetaPoco.SetConnectionString("cn1");
var bm = APetaPoco.PpRetrieveOne<DbSeries>("Series", "[case_id] = '" + study.case_id + "' AND [series_uid] = '" + seriesUID + "'");
DbSeries dbseries = null;
if (bm.Success) { dbseries = (DbSeries)bm.Data; }
string outputPath = Path.Combine(dcmPath, "OUTPUT", study.case_id, study.study_uid, seriesUID);
if (!Directory.Exists(outputPath))
Directory.CreateDirectory(outputPath);
//int fileCount = 0;
for (int k = 0; k < dcmFiles.Length; k++)
{
DicomFile dcmFile = new DicomFile(dcmFiles[k]);
dcmFile.Load();
int fileCount = 0;
var windowWidth = dcmFile.DataSet[DicomTags.WindowWidth].ToString();
if (!string.IsNullOrEmpty(windowWidth))
{
var tempSplitString = windowWidth.Split('\\');
windowWidth = tempSplitString[0];
}
var windowCenter = dcmFile.DataSet[DicomTags.WindowCenter].ToString();
if (!string.IsNullOrEmpty(windowCenter))
{
var tempSplitString = windowCenter.Split('\\');
windowCenter = tempSplitString[0];
}
var ww = dcmFile.DataSet[DicomTags.WindowWidth].GetFloat32(0, 0);
var wc = dcmFile.DataSet[DicomTags.WindowCenter].GetFloat32(0, 0);
if (ww == 0 && !string.IsNullOrEmpty(windowWidth))
{
if (windowWidth.Contains("."))
{
var tempSplitString = windowWidth.Split('.');
ww = int.Parse(tempSplitString[0]);
}
else
{
ww = int.Parse(windowWidth);
}
}
if (wc == 0 && !string.IsNullOrEmpty(windowCenter))
{
if (windowCenter.Contains("."))
{
var tempSplitString = windowCenter.Split('.');
wc = int.Parse(tempSplitString[0]);
}
else
{
wc = int.Parse(windowCenter);
}
}
LocalSopDataSource localds = new LocalSopDataSource(dcmFile);
if (!localds.IsImage) { continue; }
ImageSop sop = new ImageSop(localds);
int frameCount = sop.Frames.Count;
var fileName = dcmFile.DataSet[DicomTags.InstanceNumber].GetInt16(0, 0);
if (frameCount > 1)
{
for (int j = 1; j <= frameCount; j++)
{
GC.Collect();
Frame f = sop.Frames[j];
var jpgPath = Path.Combine(outputPath, fileName + "." + j + ".png");
Bitmap bmp = null;
if (string.IsNullOrEmpty(windowWidth) || string.IsNullOrEmpty(windowCenter))
{
bmp = DrawDefaultFrame(f);
}
else
{
bmp = DrawLutFrame(f, ww, wc);
}
if (bmp != null)
{
if(dbseries != null && dbseries.crop_h != null
&& dbseries.crop_w != null
&& dbseries.crop_x != null
&& dbseries.crop_y != null)
{
bmp = Crop(bmp, dbseries.crop_x.Value, dbseries.crop_y.Value, dbseries.crop_w.Value, dbseries.crop_h.Value);
}
SaveImage(bmp, jpgPath);
}
fileCount += 1;
GC.Collect();
}
}
else
{
GC.Collect();
var jpgPath = Path.Combine(outputPath, fileName + ".png");
Frame f = sop.Frames[1];
Bitmap bmp = null;
if (string.IsNullOrEmpty(windowWidth) || string.IsNullOrEmpty(windowCenter))
{
bmp = DrawDefaultFrame(f);
}
else
{
bmp = DrawLutFrame(f, ww, wc);
}
if (bmp != null)
{
if (dbseries != null && dbseries.crop_h != null
&& dbseries.crop_w != null
&& dbseries.crop_x != null
&& dbseries.crop_y != null)
{
bmp = Crop(bmp, dbseries.crop_x.Value, dbseries.crop_y.Value, dbseries.crop_w.Value, dbseries.crop_h.Value);
}
SaveImage(bmp, jpgPath);
}
fileCount += 1;
GC.Collect();
}
}
}
LOG.InsertEvent("Successfully converted study from DCM to PNG", "IMG", null, study.case_id, study.study_uid);
return true;
}
catch (Exception ex)
{
string errorString = "Error at :" + System.Reflection.MethodBase.GetCurrentMethod().Name;
LOG.Write(errorString);
LOG.Write(ex.Message);
LOG.InsertEvent(errorString, "IMG", ex.Message, study.case_id, study.study_uid);
return false;
}
}
public static byte[] GetImageBytesFromDcm(string dcmPath)
{
DicomFile dcmFile = new DicomFile(dcmPath);
dcmFile.Load();
int fileCount = 0;
var windowWidth = dcmFile.DataSet[DicomTags.WindowWidth].ToString();
if (!string.IsNullOrEmpty(windowWidth))
{
var tempSplitString = windowWidth.Split('\\');
windowWidth = tempSplitString[0];
}
var windowCenter = dcmFile.DataSet[DicomTags.WindowCenter].ToString();
if (!string.IsNullOrEmpty(windowCenter))
{
var tempSplitString = windowCenter.Split('\\');
windowCenter = tempSplitString[0];
}
var ww = dcmFile.DataSet[DicomTags.WindowWidth].GetFloat32(0, 0);
var wc = dcmFile.DataSet[DicomTags.WindowCenter].GetFloat32(0, 0);
if (ww == 0 && !string.IsNullOrEmpty(windowWidth))
{
if (windowWidth.Contains("."))
{
var tempSplitString = windowWidth.Split('.');
ww = int.Parse(tempSplitString[0]);
}
else
{
ww = int.Parse(windowWidth);
}
}
if (wc == 0 && !string.IsNullOrEmpty(windowCenter))
{
if (windowCenter.Contains("."))
{
var tempSplitString = windowCenter.Split('.');
wc = int.Parse(tempSplitString[0]);
}
else
{
wc = int.Parse(windowCenter);
}
}
LocalSopDataSource localds = new LocalSopDataSource(dcmFile);
if (!localds.IsImage) { return null; }
ImageSop sop = new ImageSop(localds);
int frameCount = sop.Frames.Count;
if (frameCount > 1)
{
int midFrame = Convert.ToInt32(frameCount / 2);
GC.Collect();
Frame f = sop.Frames[midFrame];
//var jpgPath = Path.Combine(outputPath, fileName + "." + j + ".png");
Bitmap bmp = null;
if (string.IsNullOrEmpty(windowWidth) || string.IsNullOrEmpty(windowCenter))
{
bmp = DrawDefaultFrame(f);
}
else
{
bmp = DrawLutFrame(f, ww, wc);
}
if (bmp != null) { return ImageToByte2(bmp); }
}
else
{
GC.Collect();
Frame f = sop.Frames[1];
Bitmap bmp = null;
if (string.IsNullOrEmpty(windowWidth) || string.IsNullOrEmpty(windowCenter))
{
bmp = DrawDefaultFrame(f);
}
else
{
bmp = DrawLutFrame(f, ww, wc);
}
if (bmp != null) { return ImageToByte2(bmp); }
fileCount += 1;
GC.Collect();
}
return null;
}
/// <summary>
/// Creates a <see cref="ImageSopInstanceReferenceMacro"/> to the given <see cref="ImageSop"/>.
/// </summary>
/// <param name="sop">The image SOP to which a reference is to be constructed.</param>
/// <returns>An image SOP instance reference macro item.</returns>
protected static ImageSopInstanceReferenceMacro CreateImageSopInstanceReference(ImageSop sop)
{
ImageSopInstanceReferenceMacro imageReference = new ImageSopInstanceReferenceMacro();
imageReference.ReferencedSopClassUid = sop.SopClassUid;
imageReference.ReferencedSopInstanceUid = sop.SopInstanceUid;
return imageReference;
}
public MockFrame(ImageSop parent, int number) : base(parent, number) {}
public SingleImageDisplaySetDescriptor(ISeriesIdentifier sourceSeries, ImageSop imageSop, int position)
: base(sourceSeries)
{
Platform.CheckForNullReference(sourceSeries, "sourceSeries");
Platform.CheckForNullReference(imageSop, "imageSop");
_sopInstanceUid = imageSop.SopInstanceUid;
_seriesInstanceUid = imageSop.SeriesInstanceUid;
_position = position;
string laterality = imageSop.ImageLaterality;
string viewPosition = imageSop.ViewPosition;
if (string.IsNullOrEmpty(viewPosition))
{
DicomAttributeSQ codeSequence = imageSop[DicomTags.ViewCodeSequence] as DicomAttributeSQ;
if (codeSequence != null && !codeSequence.IsNull && codeSequence.Count > 0)
viewPosition = codeSequence[0][DicomTags.CodeMeaning].GetString(0, null);
}
string lateralityViewPosition = null;
if (!String.IsNullOrEmpty(laterality) && !String.IsNullOrEmpty(viewPosition))
lateralityViewPosition = String.Format("{0}/{1}", laterality, viewPosition);
else if (!String.IsNullOrEmpty(laterality))
lateralityViewPosition = laterality;
else if (!String.IsNullOrEmpty(viewPosition))
lateralityViewPosition = viewPosition;
if (sourceSeries.SeriesInstanceUid == imageSop.SeriesInstanceUid)
{
if (lateralityViewPosition != null)
_suffix = String.Format(SR.SuffixFormatSingleImageDisplaySetWithLateralityViewPosition, lateralityViewPosition, imageSop.InstanceNumber);
else
_suffix = String.Format(SR.SuffixFormatSingleImageDisplaySet, imageSop.InstanceNumber);
}
else
{
//this is a referenced image (e.g. key image).
if (lateralityViewPosition != null)
_suffix = String.Format(SR.SuffixFormatSingleReferencedImageDisplaySetWithLateralityViewPosition,
lateralityViewPosition, imageSop.SeriesNumber, imageSop.InstanceNumber);
else
_suffix = String.Format(SR.SuffixFormatSingleReferencedImageDisplaySet,
imageSop.SeriesNumber, imageSop.InstanceNumber);
}
}
public KeyImageReference(ImageSop imageSop, int? frameNumber)
: base(imageSop)
{
_frameNumber = frameNumber;
}
private static void InitializeDerivationImageFunctionalGroup(FunctionalGroupsSequenceItem functionalGroupsSequenceItem, ImageSop imageSop, int frameNumber)
{
var derivationImageFunctionalGroup = functionalGroupsSequenceItem.GetFunctionalGroup<DerivationImageFunctionalGroup>();
var derivationImageSequenceItem = derivationImageFunctionalGroup.CreateDerivationImageSequenceItem();
var derivationCodeSequence = derivationImageSequenceItem.CreateDerivationCodeSequence();
derivationCodeSequence.CodeValue = "113076";
derivationCodeSequence.CodeMeaning = "Segmentation";
derivationCodeSequence.CodingSchemeDesignator = "DCM";
derivationImageSequenceItem.DerivationCodeSequence = derivationCodeSequence;
var sourceImageSequenceItem = derivationImageSequenceItem.CreateSourceImageSequenceItem();
sourceImageSequenceItem.ReferencedSopClassUid = imageSop.SopClassUid;
sourceImageSequenceItem.ReferencedSopInstanceUid = imageSop.SopInstanceUid;
if (frameNumber != 1)
sourceImageSequenceItem.ReferencedFrameNumber2 = new[] {frameNumber};
// TODO: FIXME: replace with stock implementation when available
var purposeOfReferenceCodeSequence = new Func<CodeSequenceMacro>(() =>
{
var dicomAttribute = sourceImageSequenceItem.DicomAttributeProvider[DicomTags.PurposeOfReferenceCodeSequence];
if (dicomAttribute.IsNull || dicomAttribute.IsEmpty)
{
var dicomSequenceItem = new DicomSequenceItem();
dicomAttribute.Values = new[] {dicomSequenceItem};
return new CodeSequenceMacro(dicomSequenceItem);
}
return new CodeSequenceMacro(((DicomSequenceItem[]) dicomAttribute.Values)[0]);
}).Invoke();
purposeOfReferenceCodeSequence.CodeValue = "121322";
purposeOfReferenceCodeSequence.CodeMeaning = "Source image for image processing operation";
purposeOfReferenceCodeSequence.CodingSchemeDesignator = "DCM";
derivationImageSequenceItem.SourceImageSequence = new[] {sourceImageSequenceItem};
derivationImageFunctionalGroup.DerivationImageSequence = new[] {derivationImageSequenceItem};
}
private static DisposableList<IPresentationImage> CreateImages(DicomFile dicomFile)
{
using (var dataSource = new LocalSopDataSource(dicomFile))
{
using (var sop = new ImageSop(dataSource))
{
return new DisposableList<IPresentationImage>(PresentationImageFactory.Create(sop));
}
}
}
protected static void ValidateVolumeSlicePoints(Volumes.Volume volume, IVolumeSlicerParams slicerParams, IList<KnownSample> expectedPoints,
double xAxialGantryTilt, double yAxialGantryTilt, bool gantryTiltInDegrees)
{
if (gantryTiltInDegrees)
{
xAxialGantryTilt *= Math.PI/180;
yAxialGantryTilt *= Math.PI/180;
}
Trace.WriteLine(string.Format("Using slice plane: {0}", slicerParams.Description));
using (VolumeSlicer slicer = new VolumeSlicer(volume, slicerParams))
{
foreach (ISopDataSource slice in slicer.CreateSliceSops())
{
using (ImageSop imageSop = new ImageSop(slice))
{
foreach (IPresentationImage image in PresentationImageFactory.Create(imageSop))
{
IImageGraphicProvider imageGraphicProvider = (IImageGraphicProvider) image;
DicomImagePlane dip = DicomImagePlane.FromImage(image);
foreach (KnownSample sample in expectedPoints)
{
Vector3D patientPoint = sample.Point;
if (xAxialGantryTilt != 0 && yAxialGantryTilt == 0)
{
float cos = (float) Math.Cos(xAxialGantryTilt);
float sin = (float) Math.Sin(xAxialGantryTilt);
patientPoint = new Vector3D(patientPoint.X,
patientPoint.Y*cos + (xAxialGantryTilt > 0 ? 100*sin : 0),
patientPoint.Z/cos - patientPoint.Y*sin - (xAxialGantryTilt > 0 ? 100*sin*sin/cos : 0));
}
else if (yAxialGantryTilt != 0)
{
Assert.Fail("Unit test not designed to work with gantry tilts about Y (i.e. slew)");
}
Vector3D slicedPoint = dip.ConvertToImagePlane(patientPoint);
if (slicedPoint.Z > -0.5 && slicedPoint.Z < 0.5)
{
int actual = imageGraphicProvider.ImageGraphic.PixelData.GetPixel((int) slicedPoint.X, (int) slicedPoint.Y);
Trace.WriteLine(string.Format("Sample {0} @{1} (SLICE: {2}; PATIENT: {3})", actual, FormatVector(sample.Point), FormatVector(slicedPoint), FormatVector(patientPoint)));
Assert.AreEqual(sample.Value, actual, "Wrong colour sample @{0}", sample.Point);
}
}
image.Dispose();
}
}
slice.Dispose();
}
}
}
public IPresentationImage CreateSecondaryCapture(IPresentationImage image)
{
var imageSopProvider = image as IImageSopProvider;
if (imageSopProvider == null)
{
const string msg = "image must implement IImageSopProvider";
throw new ArgumentException(msg, "image");
}
SeriesInfo seriesInfo;
var seriesKey = MakeSeriesKey(imageSopProvider.Frame.StudyInstanceUid, imageSopProvider.Sop.Modality);
if (!_seriesInfo.TryGetValue(seriesKey, out seriesInfo))
_seriesInfo[seriesKey] = seriesInfo = new SeriesInfo(_nextSeriesNumberDelegate.Invoke(imageSopProvider.Frame.StudyInstanceUid));
var dcf = CreatePrototypeFile(imageSopProvider.Sop.DataSource);
FillGeneralSeriesModule(dcf.DataSet, imageSopProvider.Frame, seriesInfo);
FillScEquipmentModule(dcf.DataSet, Manufacturer, ManufacturersModelName, SoftwareVersions);
FillFrameOfReferenceModule(dcf.DataSet, imageSopProvider.Frame);
FillGeneralImageModule(dcf.DataSet, imageSopProvider.Frame, seriesInfo);
FillScImageModule(dcf.DataSet, imageSopProvider.Frame);
FillImagePlaneModule(dcf.DataSet, imageSopProvider.Frame);
FillSopCommonModule(dcf.DataSet, SopClass.SecondaryCaptureImageStorageUid);
FillAuxiliaryImageData(dcf.DataSet, imageSopProvider.Frame);
if (image is GrayscalePresentationImage)
{
FillModalityLutModule(dcf.DataSet, imageSopProvider.Frame);
FillVoiLutModule(dcf.DataSet, imageSopProvider.Frame);
// create image pixel last - this method may need to override some attributes set previously
CreateImagePixelModuleGrayscale(dcf.DataSet, imageSopProvider.Frame);
}
else if (image is ColorPresentationImage)
{
// create image pixel last - this method may need to override some attributes set previously
CreateImagePixelModuleColor(dcf.DataSet, imageSopProvider.Frame);
}
else
{
// create image pixel last - this method may need to override some attributes set previously
CreateImagePixelModuleRasterRgb(dcf.DataSet, image);
}
dcf.MediaStorageSopClassUid = dcf.DataSet[DicomTags.SopClassUid].ToString();
dcf.MediaStorageSopInstanceUid = dcf.DataSet[DicomTags.SopInstanceUid].ToString();
_files.Add(dcf);
using (var sop = new ImageSop(new LocalSopDataSource(dcf)))
{
var secondaryCapture = PresentationImageFactory.Create(sop).Single();
try
{
var presentationState = DicomSoftcopyPresentationState.IsSupported(image) ? DicomSoftcopyPresentationState.Create(image) : null;
if (presentationState != null)
{
presentationState.DeserializeOptions |= DicomSoftcopyPresentationStateDeserializeOptions.IgnoreImageRelationship;
presentationState.Deserialize(secondaryCapture);
// override the spatial transform of the secondary capture because the presentation state doesn't save exact parameters
var sourceTransform = image as ISpatialTransformProvider;
var targetTransform = secondaryCapture as ISpatialTransformProvider;
if (sourceTransform != null && targetTransform != null)
{
targetTransform.SpatialTransform.CenterOfRotationXY = sourceTransform.SpatialTransform.CenterOfRotationXY;
targetTransform.SpatialTransform.FlipX = sourceTransform.SpatialTransform.FlipX;
targetTransform.SpatialTransform.FlipY = sourceTransform.SpatialTransform.FlipY;
targetTransform.SpatialTransform.RotationXY = sourceTransform.SpatialTransform.RotationXY;
targetTransform.SpatialTransform.Scale = sourceTransform.SpatialTransform.Scale;
targetTransform.SpatialTransform.TranslationX = sourceTransform.SpatialTransform.TranslationX;
targetTransform.SpatialTransform.TranslationY = sourceTransform.SpatialTransform.TranslationY;
var sourceImageTransform = sourceTransform as IImageSpatialTransform;
var targetImageTransform = targetTransform as IImageSpatialTransform;
if (sourceImageTransform != null && targetImageTransform != null)
targetImageTransform.ScaleToFit = sourceImageTransform.ScaleToFit;
}
}
// force a render to update the client rectangle and scaling of the image
secondaryCapture.RenderImage(image.ClientRectangle).Dispose();
}
catch (Exception ex)
{
Platform.Log(LogLevel.Warn, ex, "An error has occurred while deserializing the image presentation state.");
}
return secondaryCapture;
}
}
