vis.py 文件源码

python
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项目:wradlib 作者: wradlib 项目源码 文件源码
def add_lines(ax, lines, **kwargs):
    """
    Add lines (points in the form Nx2) to axes

    Add lines (points in the form Nx2) to existing axes ax
    using :class:`matplotlib:matplotlib.collections.LineCollection`.

    .. versionadded:: 0.6.0

    Parameters
    ----------
    ax : :class:`matplotlib:matplotlib.axes.Axes`
    lines : nested :class:`numpy:numpy.ndarray` Nx2 array(s)
    kwargs : :class:`matplotlib:matplotlib.collections.LineCollection`

    Examples
    --------
    See :ref:`notebooks/visualisation/wradlib_overlay.ipynb`.
    """
    try:
        ax.add_collection(LineCollection([lines], **kwargs))
    except AssertionError:
        ax.add_collection(LineCollection([lines[None, ...]], **kwargs))
    except ValueError:
        for line in lines:
            add_lines(ax, line, **kwargs)
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