plots.py 文件源码

def __init__(self, frameSize=1024, imageWidth=1024, imageHeight=1024, zmin=-1, zmax=1, defaultValue=0.0):
        PlotBase.__init__(self)

        self._frameSize = frameSize
        self._sink = None

        # Raster state
        self._imageData = numpy.ones((imageHeight, imageWidth)) * defaultValue
        self._image = self._plot.imshow(self._imageData, extent=(0, 1, 1, 0))
        self._zmin = zmin
        self._zmax = zmax
        norm = self._getNorm(self._zmin, self._zmax)
        self._image.set_norm(norm)
        self._row = 0
        self._xdelta = None

        # Maintain aspect ratio of image
        self._aspect = float(imageHeight)/imageWidth
        self._plot.set_aspect(self._aspect)

        # Add a colorbar
        self._colorbar = self._figure.colorbar(self._image)