python类imread()的实例源码

def draw2DMovie(solution, t_filming_step, x_start, x_end, y_start, legend, solution_min_value, solution_max_value, t_grid_step):
    #??????????, ?????????????? ????? ???? ?????(????? ??? ??????????)
    time_marker_length = len(str(t_filming_step))

    #!!!????? ?????????, ????? ?????? x ? ????? ?????? y ?? ????? ???????? ?????
    x_slice_value = 3
    y_slice_value = -1
    y_end = 0
    #???? ???????? ?? ?????, ??????? ???????? ?????? ? ???????? ????????? ??????:
    #1: ????? ???? ???? ?? ???????
    npArray = np.array(solution[0])

    #2: ???? ?????? ?? ????
    M = len(npArray)
    x_step = (x_end - x_start) / M
    x =  np.arange(x_start,x_end,x_step)
    x_slice_index = int((x_slice_value - x_start) / x_step) + 1

    #3: ???? ?????? ?? ??????
    M = len(npArray[0])
    y_step = (0 - y_start) / M
    y =  np.arange(y_start,y_end,y_step)
    y_slice_index = int((y_slice_value - y_start) / y_step) + 1

    #??????? ?????, ???? ?? ?? ??????????
    if not os.path.exists('img'):
        os.makedirs('img')

    #??????? ????? ?? ?????????? img\ ????? ????????? ????????.
    files = glob.glob('img' + os.sep + '*')
    for f in files:
        os.remove(f)

    #???? ???????????? ???, ??????, ?? ?????? ? ????, ??? ????? ???????? ???????? ??????? ???????????? ?? ?????. 
    #???????????? ????????????? ???? ?? ?????????? ? ?????.
    #?????????? ?? ????? ????? ?????? ??? ????? ??????.
    # absolute_solution_minimum = solution_min_value
    # absolute_solution_maximum = solution_max_value

    #???????? ????????? ?????? ?? ??????? ? ?????.
    for i in range(0, solution.shape[0], t_filming_step):
        #???? ???????????? ???, ?????? ?? ?????? ? ????????? ????. ???????????? ????????????? ???? ?? ?????????? ????? ????? ??????
        #?????????? ?? ????? ????? ??????????? ???????? ??? ??????? ?????
        absolute_solution_minimum = np.min(np.min(solution[i]))
        absolute_solution_maximum = np.max(np.max(solution[i]))
        draw2DSlice(solution[i], i * t_grid_step,
                    x_start, x_end, y_start, legend,
                    absolute_solution_minimum, absolute_solution_maximum,
                    time_marker_length)

    #?????? ????? ?? ??????????? ????? img\, ????????? ?? ???? ??.      
    images = []
    filenames = sorted(fn for fn in os.listdir(path='img' + os.sep) if fn.endswith('s.png'))
    for filename in filenames:
        tmp = imageio.imread('img' + os.sep + filename)
        images.append(tmp)
    imageio.mimsave('img' + os.sep + legend + ' movie.gif', images, duration = 0.2)