Esempio n. 1
0
    def __init__(self, path=None, array=None, xy_array=None):
        self._modified = False
        self.scale = 1
        self._path = None
        self._format = None

        n_args = len([a for a in [path, array, xy_array] if a is not None])
        if n_args != 1:
            msg = "Must provide a single keyword arg (path, array, xy_array)."
            ValueError(msg)
        elif path is not None:
            if not is_url(path):
                path = os.path.abspath(path)
            self._path = path
            with file_or_url_context(path) as context:
                self.array = img_as_ubyte(io.imread(context))
                self._format = imghdr.what(context)
        elif array is not None:
            self.array = array
        elif xy_array is not None:
            self.xy_array = xy_array

        # Force RGBA internally (use max alpha)
        if self.array.shape[-1] == 3:
            self.array = np.insert(self.array, 3, values=255, axis=2)
Esempio n. 2
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    def __init__(self, path=None, array=None, xy_array=None):
        self._modified = False
        self.scale = 1
        self._path = None
        self._format = None

        n_args = len([a for a in [path, array, xy_array] if a is not None])
        if n_args != 1:
            msg = "Must provide a single keyword arg (path, array, xy_array)."
            ValueError(msg)
        elif path is not None:
            if not is_url(path):
                path = os.path.abspath(path)
            self._path = path
            with file_or_url_context(path) as context:
                self.array = img_as_ubyte(io.imread(context))
                self._format = imghdr.what(context)
        elif array is not None:
            self.array = array
        elif xy_array is not None:
            self.xy_array = xy_array

        # Force RGBA internally (use max alpha)
        if self.array.shape[-1] == 3:
            self.array = np.insert(self.array, 3, values=255, axis=2)
Esempio n. 3
0
    def __init__(self, path=None, array=None, xy_array=None):
        self._modified = False
        self.scale = 1
        self._path = None
        self._format = None

        n_args = len([a for a in [path, array, xy_array] if a is not None])
        if n_args != 1:
            msg = "Must provide a single keyword arg (path, array, xy_array)."
            ValueError(msg)
        elif path is not None:
            if not is_url(path):
                path = os.path.abspath(path)
            self._path = path
            with file_or_url_context(path) as context:
                self.array = io.imread(context)
                self._format = imghdr.what(context)
        elif array is not None:
            self.array = array
        elif xy_array is not None:
            self.xy_array = xy_array