"Implements plot_sweep1d function"
import matplotlib.pyplot as plt
from ..exceptions import InvalidGPConstraint
def assign_axes(var, posys, axes):
"Assigns axes to posys, creating and formatting if necessary"
if not hasattr(posys, "__iter__"):
posys = [posys]
N = len(posys)
if axes is None:
_, axes = plt.subplots(N, 1, sharex="col", figsize=(4.5, 3+1.5*N))
if N == 1:
axes = [axes]
format_and_label_axes(var, posys, axes)
elif N == 1 and not hasattr(axes, "__len__"):
axes = [axes]
return posys, axes
def format_and_label_axes(var, posys, axes, ylabel=True):
"Formats and labels axes"
for posy, ax in zip(posys, axes):
if ylabel:
if hasattr(posy, "key"):
ylabel = (posy.key.descr.get("label", posy.key.name)
+ " [%s]" % posy.key.unitstr(dimless="-"))
else:
ylabel = str(posy)
ax.set_ylabel(ylabel)
ax.grid(color="0.6")
# ax.set_frame_on(False)
for item in [ax.xaxis.label, ax.yaxis.label]:
item.set_fontsize(12)
for item in ax.get_xticklabels() + ax.get_yticklabels():
item.set_fontsize(9)
ax.tick_params(length=0)
ax.spines['left'].set_visible(False)
ax.spines['top'].set_visible(False)
for i in ax.spines.values():
i.set_linewidth(0.6)
i.set_color("0.6")
i.set_linestyle("dotted")
xlabel = (var.key.descr.get("label", var.key.name)
+ " [%s]" % var.key.unitstr(dimless="-"))
ax.set_xlabel(xlabel) # pylint: disable=undefined-loop-variable
plt.locator_params(nbins=4)
plt.subplots_adjust(wspace=0.15)
# pylint: disable=too-many-locals,too-many-branches,too-many-statements
def plot_1dsweepgrid(model, sweeps, posys, origsol=None, tol=0.01, **solveargs):
"""Creates and plots a sweep from an existing model
Example usage:
f, _ = plot_sweep_1d(m, {'x': np.linspace(1, 2, 5)}, 'y')
f.savefig('mysweep.png')
"""
origsubs = {swept: model.substitutions[swept] for swept in sweeps
if swept in model.substitutions}
if origsubs and not origsol:
try:
origsol = model.solve(**solveargs)
except InvalidGPConstraint:
origsol = model.localsolve(**solveargs)
if not hasattr(posys, "__iter__"):
posys = [posys]
N, S = len(posys), len(sweeps)
f, axes = plt.subplots(N, S, sharex='col', sharey='row',
figsize=(4+2*S, 4+2*N))
plt.subplots_adjust(hspace=0.15)
for i, (swept, swept_over) in enumerate(sweeps.items()):
if isinstance(swept_over, tuple) and len(swept_over) == 2:
sol = model.autosweep({swept: swept_over}, tol=tol, **solveargs)
else:
sol = model.sweep({swept: swept_over}, **solveargs)
if len(sweeps) == 1:
if len(posys) == 1:
subaxes = [axes]
else:
subaxes = axes
elif len(posys) == 1:
subaxes = [axes[i]]
else:
subaxes = axes[:, i]
sol.plot(posys, subaxes)
if origsubs:
for posy, ax in zip(posys, subaxes):
ax.plot(origsubs[swept], origsol(posy), "ko", markersize=4)
format_and_label_axes(swept, posys, subaxes, ylabel=(i == 0))
model.substitutions.update(origsubs)
return f, axes
