def on_button_release(event):
if event.button != 3: # Right-click.
return
images = [*_iter_overlapping_normed_images(artist, event)]
if not images:
return
def edit_norm(_arg=None): # Only some backends pass in an argument.
axs = plt.figure().subplots(len(images), 1, squeeze=False)[:, 0]
for ax, image in zip(axs, images):
array = image.get_array()
ax.hist(array.ravel(),
_hist_bins(image),
histtype="stepfilled")
if isinstance(image.norm, mpl.colors.LogNorm):
ax.set(xscale="log")
elif array.dtype.kind in "iu": # not log.
ax.xaxis.get_major_locator().set_params(integer=True)
def on_select(vmin, vmax, *, _image=image):
array = _image.get_array()
if vmin == vmax:
_image.set_clim((array.min(), array.max()))
else:
_image.set_clim((vmin, vmax))
_image.figure.canvas.draw()
if hasattr(SpanSelector, "extents"):
ss = SpanSelector(ax,
on_select,
"horizontal",
useblit=True,
interactive=True)
ss.extents = (image.norm.vmin, image.norm.vmax)
else:
ss = SpanSelector(ax,
on_select,
"horizontal",
useblit=True,
span_stays=True)
ss.stay_rect.set(x=image.norm.vmin,
width=image.norm.vmax - image.norm.vmin,
visible=True)
_selectors.setdefault(ax, []).append(ss)
plt.show(block=False)
gui_event = event.guiEvent
pkg = type(gui_event).__module__.split(".")[0]
if pkg == "gi":
from gi.repository import Gtk
menu = Gtk.Menu()
item = Gtk.MenuItem.new_with_label("Norm")
menu.append(item)
item.connect("activate", edit_norm)
item.show()
menu.popup_at_pointer(gui_event)
elif pkg.startswith(("PyQt", "PySide")):
from matplotlib.backends.qt_compat import QtWidgets
menu = QtWidgets.QMenu()
menu.addAction("Norm", edit_norm)
menu.exec(gui_event.globalPos())
elif pkg == "tkinter":
from tkinter import Menu
menu = Menu(gui_event.widget, tearoff=0)
menu.add_command(label="Norm", command=edit_norm)
try:
menu.tk_popup(gui_event.x_root, gui_event.y_root)
finally:
menu.grab_release()
elif pkg == "wx":
import wx
menu = wx.Menu()
item = menu.Append(wx.ID_ANY, "Norm")
gui_event.EventObject.Bind(wx.EVT_MENU, edit_norm, id=item.Id)
gui_event.EventObject.PopupMenu(menu)
else:
raise NotImplementedError("The current backend is not supported")
def on_button_release(event):
if event.button != 3: # Right-click.
return
images = [*_iter_overlapping_normed_images(artist, event)]
if not images:
return
def edit_norm(_arg=None): # Only some backends pass in an argument.
try:
im, = images
except ValueError:
raise NotImplementedError from None
array = im.get_array().ravel()
sub_ax = plt.figure().subplots()
sub_ax.hist(array, _hist_bins(im), histtype="stepfilled")
if isinstance(im.norm, mpl.colors.LogNorm):
sub_ax.set(xscale="log")
def on_select(vmin, vmax):
if vmin == vmax:
im.set_clim((array.min(), array.max()))
else:
im.set_clim((vmin, vmax))
im.figure.canvas.draw()
ss = sub_ax.__ss = SpanSelector(sub_ax,
on_select,
"horizontal",
useblit=True,
span_stays=True)
ss.stay_rect.set(x=im.norm.vmin,
width=im.norm.vmax - im.norm.vmin,
visible=True)
plt.show(block=False)
gui_event = event.guiEvent
pkg = type(gui_event).__module__.split(".")[0]
if pkg == "gi":
from gi.repository import Gtk
menu = Gtk.Menu()
item = Gtk.MenuItem.new_with_label("Norm")
menu.append(item)
item.connect("activate", edit_norm)
item.show()
menu.popup_at_pointer(gui_event)
elif pkg.startswith(("PyQt", "PySide")):
from matplotlib.backends.qt_compat import QtWidgets
menu = QtWidgets.QMenu()
menu.addAction("Norm", edit_norm)
menu.exec(gui_event.globalPos())
elif pkg == "tkinter":
from tkinter import Menu
menu = Menu(gui_event.widget, tearoff=0)
menu.add_command(label="Norm", command=edit_norm)
try:
menu.tk_popup(gui_event.x_root, gui_event.y_root)
finally:
menu.grab_release()
elif pkg == "wx":
import wx
menu = wx.Menu()
item = menu.Append(wx.ID_ANY, "Norm")
gui_event.EventObject.Bind(wx.EVT_MENU, edit_norm, id=item.Id)
gui_event.EventObject.PopupMenu(menu)
else:
raise NotImplementedError("The current backend is not supported")
