def new_axes(self,ax):
self.ax = ax
if self.canvas is not ax.figure.canvas:
for cid in self.cids:
self.canvas.mpl_disconnect(cid)
self.canvas = ax.figure.canvas
self.cids.append(self.canvas.mpl_connect('motion_notify_event', self.onmove))
self.cids.append(self.canvas.mpl_connect('button_press_event', self.press))
self.cids.append(self.canvas.mpl_connect('button_release_event', self.release))
self.cids.append(self.canvas.mpl_connect('draw_event', self.update_background))
if self.direction == 'horizontal':
trans = blended_transform_factory(self.ax.transData, self.ax.transAxes)
w,h = 0,1
else:
trans = blended_transform_factory(self.ax.transAxes, self.ax.transData)
w,h = 1,0
self.rect = Rectangle( (0,0), w, h,
transform=trans,
visible=False,
**self.rectprops
)
if not self.useblit: self.ax.add_patch(self.rect)
def new_axes(self, ax):
self.ax = ax
if self.canvas is not ax.figure.canvas:
for cid in self.cids:
self.canvas.mpl_disconnect(cid)
self.canvas = ax.figure.canvas
self.cids.append(
self.canvas.mpl_connect('motion_notify_event', self.onmove))
self.cids.append(
self.canvas.mpl_connect('button_press_event', self.press))
self.cids.append(
self.canvas.mpl_connect('button_release_event', self.release))
self.cids.append(
self.canvas.mpl_connect('draw_event', self.update_background))
if self.direction == 'horizontal':
trans = blended_transform_factory(self.ax.transData,
self.ax.transAxes)
w, h = 0, 1
else:
trans = blended_transform_factory(self.ax.transAxes,
self.ax.transData)
w, h = 1, 0
self.rect = Rectangle((0, 0),
w,
h,
transform=trans,
visible=False,
**self.rectprops)
if not self.useblit: self.ax.add_patch(self.rect)
def new_axes(self, ax):
self.ax = ax
if self.canvas is not ax.figure.canvas:
self.disconnect_events()
self.canvas = ax.figure.canvas
self.connect_event("motion_notify_event", self.onmove)
self.connect_event("button_press_event", self.press)
self.connect_event("button_release_event", self.release)
self.connect_event("draw_event", self.update_background)
if self.direction == "horizontal":
trans = blended_transform_factory(self.ax.transData, self.ax.transAxes)
w, h = 0, 1
else:
trans = blended_transform_factory(self.ax.transAxes, self.ax.transData)
w, h = 1, 0
self.rect = Rectangle((0, 0), w, h, transform=trans, visible=False, **self.rectprops)
if not self.useblit:
self.ax.add_patch(self.rect)
def __init__(self,
ax,
onselect,
direction,
minspan=None,
useblit=False,
rectprops=None,
onmove_callback=None):
"""
Create a span selector in ax. When a selection is made, clear
the span and call onselect with
onselect(vmin, vmax)
and clear the span.
direction must be 'horizontal' or 'vertical'
If minspan is not None, ignore events smaller than minspan
The span rect is drawn with rectprops; default
rectprops = dict(facecolor='red', alpha=0.5)
set the visible attribute to False if you want to turn off
the functionality of the span selector
"""
if rectprops is None:
rectprops = dict(facecolor='red', alpha=0.5)
assert direction in [
'horizontal', 'vertical'
], 'Must choose horizontal or vertical for direction'
self.direction = direction
self.ax = ax
self.visible = True
self.canvas = ax.figure.canvas
self.canvas.mpl_connect('motion_notify_event', self.onmove)
self.canvas.mpl_connect('button_press_event', self.press)
self.canvas.mpl_connect('button_release_event', self.release)
self.canvas.mpl_connect('draw_event', self.update_background)
self.rect = None
self.background = None
self.rectprops = rectprops
self.onselect = onselect
self.onmove_callback = onmove_callback
self.useblit = useblit
self.minspan = minspan
# Needed when dragging out of axes
self.buttonDown = False
self.prev = (0, 0)
if self.direction == 'horizontal':
trans = blended_transform_factory(self.ax.transData,
self.ax.transAxes)
w, h = 0, 1
else:
trans = blended_transform_factory(self.ax.transAxes,
self.ax.transData)
w, h = 1, 0
self.rect = Rectangle((0, 0),
w,
h,
transform=trans,
visible=False,
**self.rectprops)
if not self.useblit: self.ax.add_patch(self.rect)
self.pressv = None
def __init__(self, ax, onselect, direction, minspan=None, useblit=False, rectprops=None, onmove_callback=None):
"""
Create a span selector in ax. When a selection is made, clear
the span and call onselect with
onselect(vmin, vmax)
and clear the span.
direction must be 'horizontal' or 'vertical'
If minspan is not None, ignore events smaller than minspan
The span rect is drawn with rectprops; default
rectprops = dict(facecolor='red', alpha=0.5)
set the visible attribute to False if you want to turn off
the functionality of the span selector
"""
if rectprops is None:
rectprops = dict(facecolor='red', alpha=0.5)
assert direction in ['horizontal', 'vertical'], 'Must choose horizontal or vertical for direction'
self.direction = direction
self.ax = ax
self.visible = True
self.canvas = ax.figure.canvas
self.canvas.mpl_connect('motion_notify_event', self.onmove)
self.canvas.mpl_connect('button_press_event', self.press)
self.canvas.mpl_connect('button_release_event', self.release)
self.canvas.mpl_connect('draw_event', self.update_background)
self.rect = None
self.background = None
self.rectprops = rectprops
self.onselect = onselect
self.onmove_callback = onmove_callback
self.useblit = useblit
self.minspan = minspan
# Needed when dragging out of axes
self.buttonDown = False
self.prev = (0, 0)
if self.direction == 'horizontal':
trans = blended_transform_factory(self.ax.transData, self.ax.transAxes)
w,h = 0,1
else:
trans = blended_transform_factory(self.ax.transAxes, self.ax.transData)
w,h = 1,0
self.rect = Rectangle( (0,0), w, h,
transform=trans,
visible=False,
**self.rectprops
)
if not self.useblit: self.ax.add_patch(self.rect)
self.pressv = None
