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Module « matplotlib.artist »

Classe « Path »

Informations générales

Héritage

builtins.object
    Path

Définition

class Path(builtins.object):

help(Path)

A series of possibly disconnected, possibly closed, line and curve
segments.

The underlying storage is made up of two parallel numpy arrays:

- *vertices*: an (N, 2) float array of vertices
- *codes*: an N-length `numpy.uint8` array of path codes, or None

These two arrays always have the same length in the first
dimension.  For example, to represent a cubic curve, you must
provide three vertices and three `CURVE4` codes.

The code types are:

- `STOP`   :  1 vertex (ignored)
    A marker for the end of the entire path (currently not required and
    ignored)

- `MOVETO` :  1 vertex
    Pick up the pen and move to the given vertex.

- `LINETO` :  1 vertex
    Draw a line from the current position to the given vertex.

- `CURVE3` :  1 control point, 1 endpoint
    Draw a quadratic Bézier curve from the current position, with the given
    control point, to the given end point.

- `CURVE4` :  2 control points, 1 endpoint
    Draw a cubic Bézier curve from the current position, with the given
    control points, to the given end point.

- `CLOSEPOLY` : 1 vertex (ignored)
    Draw a line segment to the start point of the current polyline.

If *codes* is None, it is interpreted as a `MOVETO` followed by a series
of `LINETO`.

Users of Path objects should not access the vertices and codes arrays
directly.  Instead, they should use `iter_segments` or `cleaned` to get the
vertex/code pairs.  This helps, in particular, to consistently handle the
case of *codes* being None.

Some behavior of Path objects can be controlled by rcParams. See the
rcParams whose keys start with 'path.'.

.. note::

    The vertices and codes arrays should be treated as
    immutable -- there are a number of optimizations and assumptions
    made up front in the constructor that will not change when the
    data changes.

Constructeur(s)

Signature du constructeur	Description
__init__(self, vertices, codes=None, _interpolation_steps=1, closed=False, readonly=False)

Liste des opérateurs

Opérateurs hérités de la classe object

__eq__, __ge__, __gt__, __le__, __lt__, __ne__

Méthodes héritées de la classe object

__delattr__, __dir__, __format__, __getattribute__, __getstate__, __hash__, __init_subclass__, __reduce__, __reduce_ex__, __setattr__, __sizeof__, __str__, __subclasshook__

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