__init__.py 文件源码

def drawcoastlines(self,linewidth=1.,linestyle='solid',color='k',antialiased=1,ax=None,zorder=None):
        """
        Draw coastlines.

        .. tabularcolumns:: |l|L|

        ==============   ====================================================
        Keyword          Description
        ==============   ====================================================
        linewidth        coastline width (default 1.)
        linestyle        coastline linestyle (default solid)
        color            coastline color (default black)
        antialiased      antialiasing switch for coastlines (default True).
        ax               axes instance (overrides default axes instance)
        zorder           sets the zorder for the coastlines (if not specified,
                         uses default zorder for
                         matplotlib.patches.LineCollections).
        ==============   ====================================================

        returns a matplotlib.patches.LineCollection object.
        """
        if self.resolution is None:
            raise AttributeError('there are no boundary datasets associated with this Basemap instance')
        # get current axes instance (if none specified).
        ax = ax or self._check_ax()
        coastlines = LineCollection(self.coastsegs,antialiaseds=(antialiased,))
        coastlines.set_color(color)
        coastlines.set_linestyle(linestyle)
        coastlines.set_linewidth(linewidth)
        coastlines.set_label('_nolabel_')
        if zorder is not None:
            coastlines.set_zorder(zorder)
        # clip coastlines for round polar plots.
        if self.round: coastlines,c = self._clipcircle(ax,coastlines)
        ax.add_collection(coastlines)
        # set axes limits to fit map region.
        self.set_axes_limits(ax=ax)
        return coastlines