DicomBrowser.py 文件源码

def __init__(self,args,parent=None):
        QtGui.QMainWindow.__init__(self,parent)

        self.srclist=[] # list of source directories
        self.imageIndex=0 # index of selected image
        self.seriesMap=OrderedDict() # maps series table row tuples to DicomSeries object it was generated from
        self.seriesColumns=list(seriesListColumns) # keywords for columns
        self.selectedRow=-1 # selected series row
        self.lastDir='.' # last loaded directory root
        self.filterRegex='' # regular expression to filter tags by

        # create the directory queue and loading thread objects
        self.dirQueue=Queue() # queue of directories to load
        self.loadDirThread=threading.Thread(target=self._loadDirsThread)
        self.loadDirThread.daemon=True # clean shutdown possible with daemon threads
        self.loadDirThread.start() # start the thread now, it will wait until something is put on self.dirQueue

        # setup ui
        self.setupUi(self) # create UI elements based on the loaded .ui file
        self.setWindowTitle('DicomBrowser v%s (FOR RESEARCH ONLY)'%(__version__))
        self.setStatus('')

        # connect signals
        self.importButton.clicked.connect(self._openDirDialog)
        self.statusSignal.connect(self.setStatus)
        self.updateSignal.connect(self._updateSeriesTable)
        self.filterLine.textChanged.connect(self._setFilterString)
        self.imageSlider.valueChanged.connect(self.setSeriesImage)
        self.seriesView.clicked.connect(self._seriesTableClicked)

        # setup the list and table models
        self.srcmodel=QStringListModel()
        self.seriesmodel=SeriesTableModel(self.seriesColumns)
        self.seriesmodel.layoutChanged.connect(self._seriesTableResize)
        self.tagmodel=QtGui.QStandardItemModel()

        # assign models to views
        self.sourceListView.setModel(self.srcmodel)
        self.seriesView.setModel(self.seriesmodel)
        self.tagView.setModel(self.tagmodel)

        # create the pyqtgraph object for viewing images
        self.imageview=pg.ImageView()
        layout=QtGui.QGridLayout(self.view2DGroup)
        layout.addWidget(self.imageview)

        # load the empty image placeholder into a ndarray
        qimg=QtGui.QImage(':/icons/noimage.png')
        bytedata=qimg.constBits().asstring(qimg.width()*qimg.height())
        self.noimg=np.ndarray((qimg.width(),qimg.height()),dtype=np.ubyte,buffer=bytedata)

        # add the directories passed as arguments to the directory queue to start loading
        for i in args:
            if os.path.isdir(i):
                self.addSourceDir(i)