julia_matplotlib_ex.jl

function draw_new_frame(fig, cb, image, frame, file)
    image[:set_data](frame)

    # get the filename written prev.
    texts = fig[:texts]
    for i in range(1, length(texts))
        # and remove each
        texts[1][:remove]()
    end
    # write new filename
    fig[:text](0.4, 0.9, file)
    # scale the colorbar
    image[:set_clim](0, 100)
    cb[:update_normal](image)
    fig[:canvas][:draw]()
    draw()
end