Mar 21, 2020 · Mar 21, 2020 · Mar 22, 2020 · Mar 22, 2020 · Mar 22, 2020 · Mar 22, 2020
diff --git a/lib/matplotlib/collections.py b/lib/matplotlib/collections.py
        # Fast path for arrays
        if isinstance(verts, np.ndarray):
            verts_pad = np.concatenate((verts, verts[:, :1]), axis=1)
            # Creating the codes once is much faster than having Path do it
            # separately each time by passing closed=True.
            codes = np.empty(verts_pad.shape[1], dtype=mpath.Path.code_type)
            codes[:] = mpath.Path.LINETO
            codes[0] = mpath.Path.MOVETO
            codes[-1] = mpath.Path.CLOSEPOLY
            self._paths = [mpath.Path(xy, codes) for xy in verts_pad]
            self._paths = mpath.PathCollection(verts_pad, closed=True)
            return

        self._paths = []
diff --git a/lib/matplotlib/path.py b/lib/matplotlib/path.py
 from .cbook import _to_unmasked_float_array, simple_linear_interpolation


 class PathCollection:
    _is_uniform_path_collection = True

    def __init__(self, vertices, codes=None, _interpolation_steps=1,
                 closed=False):
        # TODO: Should this support readonly??
        vertices = _to_unmasked_float_array(vertices)
        if vertices.ndim != 3 or vertices.shape[-1] != 2:
            raise ValueError(
                "'vertices' must be a 3D list or array with shape CxNx2")

        if codes is not None:
            codes = np.asarray(codes, Path.code_type)
            if codes.shape != vertices.shape[:-1]:
                raise ValueError("'codes' must be a 2D list or array with the "
                                 "same length of 'vertices'")
            if len(codes) and np.any(codes[0] != self.MOVETO):
                raise ValueError("The first element of 'code' must be equal "
                                 "to 'MOVETO' ({})".format(self.MOVETO))
        elif closed and len(vertices):
            codes = np.empty((1, vertices.shape[1]), dtype=Path.code_type)
            codes[:, 0] = Path.MOVETO
            codes[:, 1:-1] = Path.LINETO
            codes[:, -1] = Path.CLOSEPOLY
            codes = np.broadcast_to(codes, vertices.shape[:-1])

        self._vertices = vertices
        self._codes = codes
        self._interpolation_steps = _interpolation_steps
        self._example_path = Path(vertices[0], codes[0], _interpolation_steps)

    def __len__(self):
        return len(self._vertices)

    def __getitem__(self, i):
        pth = Path.__new__(Path)
        pth._vertices = self._vertices[i]
        pth._codes = self._codes[i]
        pth._readonly = False
        pth._should_simplify = self._example_path._should_simplify
        pth._simplify_threshold = self._example_path._simplify_threshold
        pth._interpolation_steps = self._example_path._interpolation_steps
        return pth

    @property
    def should_simplify(self):
        return self._example_path.should_simplify

    @property
    def simplify_threshold(self):
        return self._example_path.simplify_threshold


 class Path:
    """
    A series of possibly disconnected, possibly closed, line and curve
Original file line number	Diff line number	Diff line change
Expand Up		@@ -1096,13 +1096,7 @@ def set_verts(self, verts, closed=True):
		# Fast path for arrays
		if isinstance(verts, np.ndarray):
		verts_pad = np.concatenate((verts, verts[:, :1]), axis=1)
		# Creating the codes once is much faster than having Path do it
		# separately each time by passing closed=True.
		codes = np.empty(verts_pad.shape[1], dtype=mpath.Path.code_type)
		codes[:] = mpath.Path.LINETO
		codes[0] = mpath.Path.MOVETO
		codes[-1] = mpath.Path.CLOSEPOLY
		self._paths = [mpath.Path(xy, codes) for xy in verts_pad]
		self._paths = mpath.PathCollection(verts_pad, closed=True)
		return

		self._paths = []
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Original file line number	Diff line number	Diff line change
Expand Up		@@ -19,6 +19,59 @@
		from .cbook import _to_unmasked_float_array, simple_linear_interpolation


		class PathCollection:
Copy link Contributor anntzerMar 22, 2020• edited Loading Choose a reason for hiding this comment The reason will be displayed to describe this comment to others.Learn more. Perhaps another name would avoid confusion with`collections.PathCollection`? A tiny bit of docstring would be nice too. Copy link ContributorAuthor apaszkeMar 22, 2020 Choose a reason for hiding this comment The reason will be displayed to describe this comment to others.Learn more. Sure, name isn't important for me. I didn't know this one is taken already. Any suggestions? Copy link Contributor anntzerMar 22, 2020 Choose a reason for hiding this comment The reason will be displayed to describe this comment to others.Learn more. Nothing comes to my mind for now, but we can change this later (before this is merged).
		_is_uniform_path_collection = True

		def __init__(self, vertices, codes=None, _interpolation_steps=1,
		closed=False):
		# TODO: Should this support readonly??
		vertices = _to_unmasked_float_array(vertices)
		if vertices.ndim != 3 or vertices.shape[-1] != 2:
		raise ValueError(
		"'vertices' must be a 3D list or array with shape CxNx2")

		if codes is not None:
		codes = np.asarray(codes, Path.code_type)
		if codes.shape != vertices.shape[:-1]:
		raise ValueError("'codes' must be a 2D list or array with the "
		"same length of 'vertices'")
		if len(codes) and np.any(codes[0] != self.MOVETO):
		raise ValueError("The first element of 'code' must be equal "
		"to 'MOVETO' ({})".format(self.MOVETO))
		elif closed and len(vertices):
		codes = np.empty((1, vertices.shape[1]), dtype=Path.code_type)
		codes[:, 0] = Path.MOVETO
		codes[:, 1:-1] = Path.LINETO
		codes[:, -1] = Path.CLOSEPOLY
		codes = np.broadcast_to(codes, vertices.shape[:-1])

		self._vertices = vertices
		self._codes = codes
		self._interpolation_steps = _interpolation_steps
		self._example_path = Path(vertices[0], codes[0], _interpolation_steps)

		def __len__(self):
		return len(self._vertices)

		def __getitem__(self, i):
		pth = Path.__new__(Path)
		pth._vertices = self._vertices[i]
		pth._codes = self._codes[i]
		pth._readonly = False
		pth._should_simplify = self._example_path._should_simplify
		pth._simplify_threshold = self._example_path._simplify_threshold
		pth._interpolation_steps = self._example_path._interpolation_steps
		return pth

		@property
		def should_simplify(self):
		return self._example_path.should_simplify

		@property
		def simplify_threshold(self):
		return self._example_path.simplify_threshold


		class Path:
		"""
		A series of possibly disconnected, possibly closed, line and curve
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