graph.py 文件源码

def __init__(self,xcoord,ycoord,**kwargs):
        collections.PatchCollection.__init__(self,[],**kwargs)
        tol = 0.02
        _xdata1 = np.array([xcoord-tol,xcoord,xcoord+tol])
        _ydata1 = np.array([ycoord-tol,ycoord,ycoord-tol])
        _xdata2 = np.array([xcoord-tol,xcoord,xcoord-tol])
        _ydata2 = np.array([ycoord-tol,ycoord,ycoord+tol])
        # Polygons
        p1 = patches.Polygon(zip(_xdata1,_ydata1))
        p1.set_color("r")
        p2 = patches.Polygon(zip(_xdata2,_ydata2))
        #print p1,p2
        #p2.set_color("g")
        # Set data
        self.set_paths((p1,p2))
        self.set_color("k")
        #self.set_marker("-")
        #self.set_mfc('r')
        #self.set_ms(10)