Mercurial > hg > orthanc-stone
diff Framework/Volumes/DicomVolumeImageMPRSlicer.cpp @ 814:aead999345e0
reorganization
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 28 May 2019 21:16:39 +0200 |
parents | |
children | 68f888812af4 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Volumes/DicomVolumeImageMPRSlicer.cpp Tue May 28 21:16:39 2019 +0200 @@ -0,0 +1,120 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2019 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "DicomVolumeImageMPRSlicer.h" + +#include <Core/OrthancException.h> + +namespace OrthancStone +{ + void DicomVolumeImageMPRSlicer::Slice::CheckValid() const + { + if (!valid_) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); + } + } + + + DicomVolumeImageMPRSlicer::Slice::Slice(const DicomVolumeImage& volume, + const CoordinateSystem3D& cuttingPlane) : + volume_(volume) + { + valid_ = (volume_.HasDicomParameters() && + volume_.GetGeometry().DetectSlice(projection_, sliceIndex_, cuttingPlane)); + } + + + VolumeProjection DicomVolumeImageMPRSlicer::Slice::GetProjection() const + { + CheckValid(); + return projection_; + } + + + unsigned int DicomVolumeImageMPRSlicer::Slice::GetSliceIndex() const + { + CheckValid(); + return sliceIndex_; + } + + uint64_t DicomVolumeImageMPRSlicer::Slice::GetRevision() + { + CheckValid(); + return GetRevisionInternal(projection_, sliceIndex_); + } + + + ISceneLayer* DicomVolumeImageMPRSlicer::Slice::CreateSceneLayer(const ILayerStyleConfigurator* configurator, + const CoordinateSystem3D& cuttingPlane) + { + CheckValid(); + + if (configurator == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer, + "A style configurator is mandatory for textures"); + } + + std::auto_ptr<TextureBaseSceneLayer> texture; + + { + const DicomInstanceParameters& parameters = volume_.GetDicomParameters(); + ImageBuffer3D::SliceReader reader(volume_.GetPixelData(), projection_, sliceIndex_); + texture.reset(dynamic_cast<TextureBaseSceneLayer*> + (configurator->CreateTextureFromDicom(reader.GetAccessor(), parameters))); + } + + const CoordinateSystem3D& system = volume_.GetGeometry().GetProjectionGeometry(projection_); + + double x0, y0, x1, y1; + cuttingPlane.ProjectPoint(x0, y0, system.GetOrigin()); + cuttingPlane.ProjectPoint(x1, y1, system.GetOrigin() + system.GetAxisX()); + texture->SetOrigin(x0, y0); + + double dx = x1 - x0; + double dy = y1 - y0; + if (!LinearAlgebra::IsCloseToZero(dx) || + !LinearAlgebra::IsCloseToZero(dy)) + { + texture->SetAngle(atan2(dy, dx)); + } + + Vector tmp = volume_.GetGeometry().GetVoxelDimensions(projection_); + texture->SetPixelSpacing(tmp[0], tmp[1]); + + return texture.release(); + } + + + IVolumeSlicer::IExtractedSlice* + DicomVolumeImageMPRSlicer::ExtractSlice(const CoordinateSystem3D& cuttingPlane) + { + if (volume_->HasGeometry()) + { + return new Slice(*volume_, cuttingPlane); + } + else + { + return new IVolumeSlicer::InvalidSlice; + } + } +}