Example #1
0
def stack2mrc(stack, mrc, imfilter=lambda im: im):
    """
    Converts an image stack to an MRC file. Returns the new MRC file object.

    Arguments:
    stack    -- the images to read, an iterable of file names
    mrc      -- the MRC filename to save to
    
    Optional Arguments:
    imfilter  -- a function/callable that takes and returns an image
    """
    from mrc import MRC
    from images import imread

    stack = iter(stack)
    try:
        img = imfilter(imread(stack.next()))
    except StopIteration:
        raise ValueError("Must provide at least one image")
    mrc = MRC(mrc, nx=img.shape[1], ny=img.shape[0], dtype=img.dtype)
    mrc.append(img)
    mrc.append_all(imfilter(imread(img))
                   for img in stack)  # will skip the first one
    mrc.write_header()
    return mrc
Example #2
0
def stack2mrc(stack, mrc, imfilter = lambda im: im):
    """
    Converts an image stack to an MRC file. Returns the new MRC file object.

    Arguments:
    stack    -- the images to read, an iterable of file names
    mrc      -- the MRC filename to save to
    
    Optional Arguments:
    imfilter  -- a function/callable that takes and returns an image
    """
    from mrc import MRC
    from images import imread

    stack = iter(stack)
    try: img = imfilter(imread(stack.next()))
    except StopIteration: raise ValueError("Must provide at least one image")
    mrc = MRC(mrc, nx=img.shape[1], ny=img.shape[0], dtype=img.dtype)
    mrc.append(img)
    mrc.append_all(imfilter(imread(img)) for img in stack) # will skip the first one
    mrc.write_header()
    return mrc