def grid_iterate(i, grid_dict, name, parent_params):
key = iterable_keys[i]
name = key if name is None else name + "-" + key
print("name: {}".format(name))
if i < len(iterable_keys) - 1:
name += "("
for j in grid_dict[key]:
settings[key] = j
# track parents and their values for given run
parent_params = parent_params.copy()
parent_params[key] = j
paren_i = name.rfind("(")
if paren_i != -1:
name = name[:paren_i]
if libmag.is_number(j):
name += "({:.3g})".format(j)
else:
name += " {}".format(j)
grid_iterate(i + 1, grid_dict, name, parent_params)
else:
# process each value in parameter array
stats = []
last_param_vals = grid_dict[key]
for param in last_param_vals:
print("===============================================\n"
"Grid search hyperparameters {} for {}".format(
name, libmag.format_num(param, 3)))
settings[key] = param
stat, summaries = fnc(*fnc_args)
stats.append(stat)
file_summaries.extend(summaries)
iterable_dict[name] = (stats, last_param_vals, key, parent_params)
def color_picker_changed(self, text):
"""Respond to color picker :class:`TextBox` changes by updating
the specified intensity value in all plot editors.
Args:
text (str): String of text box value. Converted to an int if
non-empty.
"""
intensity = text
if text:
if not libmag.is_number(intensity): return
intensity = int(intensity)
print("updating specified color to", intensity)
for i, ed in enumerate(self.plot_eds.values()):
ed.intensity_spec = intensity
def scale_xticks(
ax: "axes.Axes", rotation: float,
x_labels: Optional[Sequence[Any]] = None):
"""Draw x-tick labels with smaller font for increasing number of labels.
Args:
ax: Matplotlib axes.
rotation: Label rotation angle.
x_labels: X-axis labels; defaults to None, in which case the current
labels will be used.
"""
if x_labels is None:
# default to use existing labels
x_labels = ax.get_xticklabels()
font_size = plt.rcParams["axes.titlesize"]
if libmag.is_number(font_size):
# scale font size of x-axis labels by a sigmoid function to rapidly
# decrease size for larger numbers of labels so they don't overlap
font_size *= (math.atan(len(x_labels) / 10 - 5) * -2 / math.pi + 1) / 2
font_dict = {"fontsize": font_size}
# draw x-ticks based on number of bars per group and align to right
# since center shifts the horiz middle of the label to the center;
# rotation_mode in dict helps but still slightly off
ax.set_xticklabels(
x_labels, rotation=rotation, horizontalalignment="right",
fontdict=font_dict)
# translate to right since "right" alignment shift the right of labels
# too far to the left of tick marks; shift less with more groups
offset = transforms.ScaledTranslation(
30 / np.cbrt(len(x_labels)) / ax.figure.dpi, 0,
ax.figure.dpi_scale_trans)
for lbl in ax.xaxis.get_majorticklabels():
lbl.set_transform(lbl.get_transform() + offset)
def test_is_number(self):
self.assertEqual(libmag.is_number(5), True)
self.assertEqual(libmag.is_number(5.4), True)
self.assertEqual(libmag.is_number("string"), False)