def __init__(
self,
ax,
a,
b,
ymid,
highlight=False,
style="curve",
ec="k",
fc="k",
alpha=0.2,
lw=1,
zorder=1,
):
"""Create syntenic wedges between tracks.
Args:
ax: matplotlib Axes
a (tuple of floats): ((start_x, start_y), (end_x, end_y))
b (tuple of floats): ((start_x, start_y), (end_x, end_y))
ymid (float): y-mid position for curve style only
highlight (bool, optional): Plot this shade if color is specified. Defaults to False.
style (str, optional): Style. Defaults to "curve", must be one of
("curve", "line")
ec (str, optional): Edge color. Defaults to "k".
fc (str, optional): Face color. Defaults to "k".
alpha (float, optional): Transparency. Defaults to 0.2.
lw (int, optional): Line width. Defaults to 1.
zorder (int, optional): Z-order. Defaults to 1.
"""
fc = fc or "gainsboro" # Default block color is grayish
assert style in self.Styles, "style must be one of {}".format(self.Styles)
a1, a2 = a
b1, b2 = b
ax1, ay1 = a1
ax2, ay2 = a2
bx1, by1 = b1
bx2, by2 = b2
M, C4, L, CP = Path.MOVETO, Path.CURVE4, Path.LINETO, Path.CLOSEPOLY
if style == "curve":
pathdata = [
(M, a1),
(C4, (ax1, ymid)),
(C4, (bx1, ymid)),
(C4, b1),
(L, b2),
(C4, (bx2, ymid)),
(C4, (ax2, ymid)),
(C4, a2),
(CP, a1),
]
else:
pathdata = [(M, a1), (L, b1), (L, b2), (L, a2), (CP, a1)]
codes, verts = zip(*pathdata)
path = Path(verts, codes)
if highlight:
ec = fc = highlight
pp = PathPatch(path, ec=ec, fc=fc, alpha=alpha, lw=lw, zorder=zorder)
ax.add_patch(pp)
def __init__(self, ax, a, b, ymid, highlight=False, ec="k", fc="k",
alpha=.2, lw=1, zorder=1):
a1, a2 = a
b1, b2 = b
ax1, ay1 = a1
ax2, ay2 = a2
bx1, by1 = b1
bx2, by2 = b2
M, C4, L, CP = Path.MOVETO, Path.CURVE4, Path.LINETO, Path.CLOSEPOLY
pathdata = \
[
(M, a1),
(C4, (ax1, ymid)),
(C4, (bx1, ymid)),
(C4, b1),
(L, b2),
(C4, (bx2, ymid)),
(C4, (ax2, ymid)),
(C4, a2),
(CP, a1)
]
codes, verts = zip(*pathdata)
path = Path(verts, codes)
if highlight:
ec = fc = highlight
pp = PathPatch(path, ec=ec, fc=fc, alpha=alpha,
lw=lw, zorder=zorder)
ax.add_patch(pp)