8000 add zorder to streamplot by mgoacolou · Pull Request #2225 · matplotlib/matplotlib · GitHub
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add zorder to streamplot #2225

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Merged
merged 2 commits into from
Jul 17, 2013
+12 −5
Merged

add zorder to streamplot #2225

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5ab1a68
add zorder to streamplot
mgoacolou Jul 17, 2013
2a53a90
doc for zorder parameter of streamplot
mgoacolou Jul 17, 2013
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5 changes: 3 additions & 2 deletions lib/matplotlib/axes/_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3811,7 +3811,7 @@ def stackplot(self, x, *args, **kwargs):

def streamplot(self, x, y, u, v, density=1, linewidth=None, color=None,
cmap=None, norm=None, arrowsize=1, arrowstyle='-|>',
minlength=0.1, transform=None):
minlength=0.1, transform=None, zorder=1):
if not self._hold:
self.cla()
stream_container = mstream.streamplot(self, x, y, u, v,
Expand All @@ -3823,7 +3823,8 @@ def streamplot(self, x, y, u, v, density=1, linewidth=None, color=None,
arrowsize=arrowsize,
arrowstyle=arrowstyle,
minlength=minlength,
transform=transform)
transform=transform,
zorder=zorder)
return stream_container
streamplot.__doc__ = mstream.streamplot.__doc__

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5 changes: 3 additions & 2 deletions lib/matplotlib/pyplot.py
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Expand Up @@ -3213,7 +3213,7 @@ def step(x, y, *args, **kwargs):
@_autogen_docstring(Axes.streamplot)
def streamplot(x, y, u, v, density=1, linewidth=None, color=None, cmap=None,
norm=None, arrowsize=1, arrowstyle='-|>', minlength=0.1,
transform=None, hold=None):
transform=None, hold=None, zorder=1):
ax = gca()
# allow callers to override the hold state by passing hold=True|False
washold = ax.ishold()
Expand All @@ -3224,7 +3224,8 @@ def streamplot(x, y, u, v, density=1, linewidth=None, color=None, cmap=None,
ret = ax.streamplot(x, y, u, v, density=density, linewidth=linewidth,
color=color, cmap=cmap, norm=norm,
arrowsize=arrowsize, arrowstyle=arrowstyle,
minlength=minlength, transform=transform)
minlength=minlength, transform=transform,
zorder=zorder)
draw_if_interactive()
finally:
ax.hold(washold)
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7 changes: 6 additions & 1 deletion lib/matplotlib/streamplot.py
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Expand Up @@ -16,7 +16,7 @@

def streamplot(axes, x, y, u, v, density=1, linewidth=None, color=None,
cmap=None, norm=None, arrowsize=1, arrowstyle='-|>',
minlength=0.1, transform=None):
minlength=0.1, transform=None, zorder=1):
"""Draws streamlines of a vector flow.

*x*, *y* : 1d arrays
Expand Down Expand Up @@ -47,6 +47,8 @@ def streamplot(axes, x, y, u, v, density=1, linewidth=None, color=None,
See :class:`~matplotlib.patches.FancyArrowPatch`.
*minlength* : float
Minimum length of streamline in axes coordinates.
*zorder* : int
any number

Returns:

Expand Down Expand Up @@ -98,6 +100,9 @@ def streamplot(axes, x, y, u, v, density=1, linewidth=None, color=None,
line_kw['linewidth'] = linewidth
arrow_kw['linewidth'] = linewidth

line_kw['zorder'] = zorder
arrow_kw['zorder'] = zorder

## Sanity checks.
assert u.shape == grid.shape
assert v.shape == grid.shape
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