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comparison Applications/StoneWebViewer/WebAssembly/StoneWebViewer.cpp @ 1970:33d2ff1aeaae

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start ultrasound series at their first frame
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 28 Oct 2022 13:36:40 +0200
parents 79fdc3b1f031
children 5a434f5889f8
comparison
equal deleted inserted replaced
1969:ee68ee732aa7 1970:33d2ff1aeaae
1196 return ((framesCount_ == 0 && frame == 0) || 1196 return ((framesCount_ == 0 && frame == 0) ||
1197 (framesCount_ > 0 && frame >= 0 && frame < framesCount_)); 1197 (framesCount_ > 0 && frame >= 0 && frame < framesCount_));
1198 } 1198 }
1199 1199
1200 public: 1200 public:
1201 explicit SeriesCursor(size_t framesCount) : 1201 explicit SeriesCursor(size_t framesCount,
1202 bool startAtMiddle /* Whether to start at the middle frame */) :
1202 framesCount_(framesCount), 1203 framesCount_(framesCount),
1203 currentFrame_(framesCount / 2), // Start at the middle frame 1204 currentFrame_(startAtMiddle ? framesCount / 2 : 0),
1204 isCircularPrefetch_(false), 1205 isCircularPrefetch_(false),
1205 lastAction_(Action_None) 1206 lastAction_(Action_None)
1206 { 1207 {
1207 SetFastDelta(framesCount / 20); 1208 SetFastDelta(framesCount / 20);
1208 UpdatePrefetch(); 1209 UpdatePrefetch();
2761 inverted_ = false; 2762 inverted_ = false;
2762 serverSideTranscoding_ = false; 2763 serverSideTranscoding_ = false;
2763 OrthancStone::LinearAlgebra::AssignVector(synchronizationOffset_, 0, 0, 0); 2764 OrthancStone::LinearAlgebra::AssignVector(synchronizationOffset_, 0, 0, 0);
2764 2765
2765 frames_.reset(frames); 2766 frames_.reset(frames);
2766 cursor_.reset(new SeriesCursor(frames_->GetFramesCount())); 2767 cursor_.reset(new SeriesCursor(frames_->GetFramesCount(), false));
2768
2769 if (frames_->GetFramesCount() != 0)
2770 {
2771 const OrthancStone::DicomInstanceParameters& firstInstance = frames_->GetInstanceOfFrame(0);
2772 std::string modality;
2773 if (firstInstance.GetTags().LookupStringValue(modality, Orthanc::DICOM_TAG_MODALITY, false))
2774 {
2775 if (modality == "MR" ||
2776 modality == "CT" ||
2777 modality == "NM" ||
2778 modality == "OPT" ||
2779 modality == "PT" ||
2780 modality == "RTDOSE" ||
2781 modality == "XA")
2782 {
2783 // For series that might correspond to 3D images, use their
2784 // central frame as the first frame to be displayed
2785 cursor_.reset(new SeriesCursor(frames_->GetFramesCount(), true));
2786 }
2787 }
2788 }
2767 2789
2768 LOG(INFO) << "Number of frames in series: " << frames_->GetFramesCount(); 2790 LOG(INFO) << "Number of frames in series: " << frames_->GetFramesCount();
2769 2791
2770 SetWindowingPreset(); 2792 SetWindowingPreset();
2771 ClearViewport(); 2793 ClearViewport();