__all__ = ['imread', 'imsave']

try:
    import SimpleITK as sitk
except ImportError:
    raise ImportError(
        "SimpleITK could not be found. "
        "Please try "
        "  easy_install SimpleITK "
        "or refer to "
        "  http://simpleitk.org/ "
        "for further instructions."
    )


def imread(fname):
    sitk_img = sitk.ReadImage(fname)
    return sitk.GetArrayFromImage(sitk_img)


def imsave(fname, arr):
    sitk_img = sitk.GetImageFromArray(arr, isVector=True)
    sitk.WriteImage(sitk_img, fname)