Package org.dcm4che3.media

Examples of org.dcm4che3.media.DicomDirReader


            Attributes frameFctGroups,
            int tag) {
        if (frameFctGroups == null) {
            return imgAttrs;
        }
        Attributes group = frameFctGroups.getNestedDataset(tag);
        if (group == null && sharedFctGroups != null) {
            group = sharedFctGroups.getNestedDataset(tag);
        }
        return group != null ? group : imgAttrs;
    }
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        dis = new DicomInputStream(new ImageInputStreamAdapter(iis));
        dis.setIncludeBulkData(IncludeBulkData.URI);
        dis.setBulkDataDescriptor(BulkDataDescriptor.PIXELDATA);
        dis.setURI("java:iis"); // avoid copy of pixeldata to temporary file
        Attributes fmi = dis.readFileMetaInformation();
        Attributes ds = dis.readDataset(-1, -1);
        metadata = new DicomMetaData(fmi, ds);
        Object pixeldata = ds.getValue(Tag.PixelData, pixeldataVR );
        if (pixeldata != null) {
            frames = ds.getInt(Tag.NumberOfFrames, 1);
            width = ds.getInt(Tag.Columns, 0);
            height = ds.getInt(Tag.Rows, 0);
            samples = ds.getInt(Tag.SamplesPerPixel, 1);
            banded = samples > 1 && ds.getInt(Tag.PlanarConfiguration, 0) != 0;
            bitsAllocated = ds.getInt(Tag.BitsAllocated, 8);
            bitsStored = ds.getInt(Tag.BitsStored, bitsAllocated);
            dataType = bitsAllocated <= 8 ? DataBuffer.TYPE_BYTE
                                          : DataBuffer.TYPE_USHORT;
            pmi = PhotometricInterpretation.fromString(
                    ds.getString(Tag.PhotometricInterpretation, "MONOCHROME2"));
            if (pixeldata instanceof BulkData) {
                iis.setByteOrder(ds.bigEndian()
                        ? ByteOrder.BIG_ENDIAN
                        : ByteOrder.LITTLE_ENDIAN);
                this.frameLength = pmi.frameLength(width, height, samples, bitsAllocated);
                this.pixeldata = (BulkData) pixeldata;
            } else {
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        }
    }

    private BulkData extractPixelData(BulkData src, int frame,
            int length) {
        return new BulkData(src.uriWithoutOffsetAndLength(),
                src.offset + frame * length, length,
                src.bigEndian);
    }
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        dataset.setBytes("PRIVATE", 0x00090002, VR.OB, BYTE01);
        dataset.setDouble(Tag.FrameTime, VR.DS, 33.0);
        dataset.setInt(Tag.SamplesPerPixel, VR.US, 1);
        dataset.setInt(Tag.NumberOfFrames, VR.IS, 1);
        dataset.setInt(Tag.FrameIncrementPointer, VR.AT, Tag.FrameTime);
        dataset.setValue(Tag.OverlayData, VR.OW, new BulkData(null, "file:/OverlayData", false));
        Fragments frags = dataset.newFragments(Tag.PixelData, VR.OB, 2);
        frags.add(null);
        frags.add(new BulkData(null, "file:/PixelData", false));
        StringWriter writer = new StringWriter();
        JsonGenerator gen = Json.createGenerator(writer);
        new JSONWriter(gen).write(dataset);
        gen.flush();
        assertEquals(RESULT, writer.toString());
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                    (byte[]) pixelData, frame, calcFrameLength(src)));
        } else if (pixelData instanceof BulkData) {
            dest.setValue(Tag.PixelData, vr.vr, extractPixelData(
                    (BulkData) pixelData, frame, calcFrameLength(src)));
        } else {
            Fragments destFrags = dest.newFragments(Tag.PixelData, vr.vr, 2);
            destFrags.add(null);
            destFrags.add(((Fragments) pixelData).get(frame + 1));
        }
    }
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        dataset.setDouble(Tag.FrameTime, VR.DS, 33.0);
        dataset.setInt(Tag.SamplesPerPixel, VR.US, 1);
        dataset.setInt(Tag.NumberOfFrames, VR.IS, 1);
        dataset.setInt(Tag.FrameIncrementPointer, VR.AT, Tag.FrameTime);
        dataset.setValue(Tag.OverlayData, VR.OW, new BulkData(null, "file:/OverlayData", false));
        Fragments frags = dataset.newFragments(Tag.PixelData, VR.OB, 2);
        frags.add(null);
        frags.add(new BulkData(null, "file:/PixelData", false));
        StringWriter writer = new StringWriter();
        JsonGenerator gen = Json.createGenerator(writer);
        new JSONWriter(gen).write(dataset);
        gen.flush();
        assertEquals(RESULT, writer.toString());
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        }
    }

    private Sequence refSOPSeq(String studyIUID, String seriesIUID) {
        Attributes refStudy = getOrAddItem(evidenceSeq, Tag.StudyInstanceUID, studyIUID);
        Sequence refSeriesSeq = refStudy.ensureSequence(Tag.ReferencedSeriesSequence, 10);
        Attributes refSeries = getOrAddItem(refSeriesSeq,Tag.SeriesInstanceUID, seriesIUID);
        return refSeries.ensureSequence(Tag.ReferencedSOPSequence, 100);
    }
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    public Attributes makeActionInfo(List<String> refSOPs) {
        Attributes actionInfo = new Attributes(2);
        actionInfo.setString(Tag.TransactionUID, VR.UI, UIDUtils.createUID());
        int n = refSOPs.size() / 2;
        Sequence refSOPSeq = actionInfo.newSequence(Tag.ReferencedSOPSequence, n);
        for (int i = 0, j = 0; j < n; j++) {
            Attributes refSOP = new Attributes(2);
            refSOP.setString(Tag.ReferencedSOPClassUID, VR.UI, refSOPs.get(i++));
            refSOP.setString(Tag.ReferencedSOPInstanceUID, VR.UI, refSOPs.get(i++));
            refSOPSeq.add(refSOP);
        }
        return actionInfo;
    }
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        adjustReferencedImages(dest, Tag.SourceImageSequence);
        return dest;
    }

    private void adjustReferencedImages(Attributes attrs, int sqtag) {
        Sequence sq = attrs.getSequence(sqtag);
        if (sq == null)
            return;
       
        ArrayList<Attributes> newRefs = new ArrayList<Attributes>();
        for (Iterator<Attributes> itr = sq.iterator(); itr.hasNext();) {
            Attributes ref = (Attributes) itr.next();
            String cuid = legacySOPClassUID(ref.getString(Tag.ReferencedSOPClassUID));
            if (cuid == null)
                continue;

            itr.remove();
            String iuid = uidMapper.get(ref.getString(Tag.ReferencedSOPInstanceUID));
            int[] frames = ref.getInts(Tag.ReferencedFrameNumber);
            int n = frames == null ? nofAccessor.getNumberOfFrames(iuid)
                                   : frames.length;
            ref.remove(Tag.ReferencedFrameNumber);
            ref.setString(Tag.ReferencedSOPClassUID, VR.UI, cuid);
            for (int i = 0; i < n; i++) {
                Attributes newRef = new Attributes(ref);
                newRef.setString(Tag.ReferencedSOPInstanceUID, VR.UI,
                        iuid + '.' + (frames != null ? frames[i] : (i+1)));
                newRefs.add(newRef);
            }
        }
        for (Attributes ref : newRefs)
            sq.add(ref);
    }
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        String layerName = psAttrs.getString(tagOverlayActivationLayer);
        if (layerName == null)
            throw new IllegalArgumentException("Missing "
                    + TagUtils.toString(tagOverlayActivationLayer)
                    + " Overlay Activation Layer");
        Sequence layers = psAttrs.getSequence(Tag.GraphicLayerSequence);
        if (layers == null)
            throw new IllegalArgumentException("Missing "
                    + TagUtils.toString(Tag.GraphicLayerSequence)
                    + " Graphic Layer Sequence");
       
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