# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""Specialized markers."""
from matplotlib.path import Path
import numpy as np
__all__ = ('earth', 'reticle')
earth = Path.unit_circle()
verts = np.concatenate([earth.vertices, [[-1, 0], [1, 0], [0, -1], [0, 1]]])
codes = np.concatenate([earth.codes, [Path.MOVETO, Path.LINETO] * 2])
earth = Path(verts, codes)
del verts, codes
earth.__doc__ = """
The Earth symbol (circle and cross).
Examples
--------
.. plot::
:context: reset
:include-source:
:align: center
from matplotlib import pyplot as plt
from ligo.skymap.plot.marker import earth
plt.plot(0, 0, markersize=20, markeredgewidth=2,
markerfacecolor='none', marker=earth)
