/// <summary>
/// one-way call to resample an image volume
/// </summary>
/// <param name="seriesInstanceUID"></param>
public void ResampleImageVolume(ImageVolumeResampleRequest request)
{
_responseContext =
OperationContext.Current.IncomingMessageHeaders.GetHeader<ResponseContext>(
"ResponseContext", "ServiceModelEx");
_responseAddress =
new EndpointAddress(_responseContext.ResponseAddress);
ResampleEngineClient re = new ResampleEngineClient();
ImageVolumeResampleResponse response = re.ResampleImageVolume(request);
System.Diagnostics.Trace.Assert(response.ResampledImageVolumeGuid.CompareTo(Guid.Empty) != 0);
MessageHeader<ResponseContext> responseHeader = new MessageHeader<ResponseContext>(_responseContext);
NetMsmqBinding binding = new NetMsmqBinding("NoMsmqSecurity");
ResampleResponseProxy proxy = new ResampleResponseProxy(binding, _responseAddress);
using (OperationContextScope scope = new OperationContextScope(proxy.InnerChannel))
{
OperationContext.Current.OutgoingMessageHeaders.Add(
responseHeader.GetUntypedHeader("ResponseContext", "ServiceModelEx"));
proxy.OnResampleDone(response);
}
proxy.Close();
}
/// <summary>
/// TODO: return response, not contract
/// </summary>
/// <param name="seriesInstanceUID"></param>
/// <returns></returns>
public ImageVolumeResampleResponse ResampleImageVolume(ImageVolumeResampleRequest request)
{
LocalImageResourceManagerClient cmsc1 =
new LocalImageResourceManagerClient();
var imageIds = cmsc1.GetImageIdsBySeries(request.SeriesInstanceUID);
if (imageIds.Count() == 0)
return null;
var imagesInSeries = (from guid in imageIds
select cmsc1.GetImage(guid)
).OrderBy(idc => -idc.ImagePosition.Z);
var ivdc = new UniformImageVolumeDataContract();
ivdc.Identity.SeriesInstanceUID = request.SeriesInstanceUID;
ivdc.Identity.Label = imagesInSeries.First().Label;
ivdc.Identity.PatientId = imagesInSeries.First().PatientId;
ivdc.FrameOfReferenceUID = imagesInSeries.First().FrameOfReferenceUID;
ivdc.Width = imagesInSeries.First().Width;
ivdc.Height = imagesInSeries.First().Height;
ivdc.Depth = imagesInSeries.Count();
var imageOrientation = imagesInSeries.First().ImageOrientation;
ivdc.VolumeOrientation = new VolumeOrientation()
{
Row = imageOrientation.Row,
Column = imageOrientation.Column,
};
var voxelSpacing = new VoxelSize()
{
X = imagesInSeries.First().PixelSpacing.X,
Y = imagesInSeries.First().PixelSpacing.Y,
Z = Math.Abs(imagesInSeries.First().ImagePosition.Z
- imagesInSeries.Last().ImagePosition.Z) / imagesInSeries.Count()
};
ivdc.VoxelSpacing = voxelSpacing;
// take cross product
// ivdc.DirectionZ =
ivdc = cmsc1.AddImageVolume(ivdc);
var outVoxelHandle = ivdc.PixelBuffer.GetHandle();
ushort[] frame = new ushort[imagesInSeries.First().PixelBuffer.ElementCount];
ulong currentVoxelOffset = 0;
foreach (var idc in imagesInSeries)
{
// get access to the buffer
var inPixelHandle = idc.PixelBuffer.GetHandle();
inPixelHandle.ReadArray<ushort>(0, frame, 0, frame.Length);
outVoxelHandle.WriteArray<ushort>(currentVoxelOffset,
frame, 0, frame.Length);
idc.PixelBuffer.ReleaseHandle();
idc.PixelBuffer.CloseMapping();
currentVoxelOffset += (ulong)(idc.PixelBuffer.ElementCount * sizeof(ushort));
}
ivdc.PixelBuffer.ReleaseHandle();
ivdc.PixelBuffer.CloseMapping();
cmsc1.Close();
System.Diagnostics.Trace.Assert(ivdc != null);
System.Diagnostics.Trace.Assert(ivdc.Identity != null);
System.Diagnostics.Trace.Assert(ivdc.Identity.Guid.CompareTo(Guid.Empty) != 0);
return new ImageVolumeResampleResponse()
{
SeriesInstanceUID = request.SeriesInstanceUID,
ResampledImageVolumeGuid = ivdc.Identity.Guid
};
}
/// <summary>
/// performs resampling on a series
/// </summary>
/// <param name="seriesInstanceUID">the series UID to be used</param>
static void ResampleVolumeForSeries(string seriesInstanceUID)
{
var resampleManager = new ResampleManagerClient();
using (OperationContextScope contextScope =
new OperationContextScope(resampleManager.InnerChannel))
{
var methodId = Guid.NewGuid();
ResampleDoneResponse.SetupResponseHeader(methodId);
// create the request object
ImageVolumeResampleRequest request = new ImageVolumeResampleRequest();
request.SeriesInstanceUID = seriesInstanceUID;
// and queue the request
resampleManager.ResampleImageVolume(request);
}
resampleManager.Close();
}
