def drawPNG(self, filename):
self.__canvas = CanvasBackend(self.__fig)
self.__canvas.print_figure(filename)
def drawHTTPstring(self):
self.__canvas = CanvasBackend(self.__fig)
cherrypy.response.headers['Content-Type'] = 'image/png'
buf = StringIO()
self.__canvas.print_png(buf)
return buf.getvalue()