def __init__(self,
bokeh_plot,
callback,
delay=200,
timeout=2000,
throttle=None,
**kwargs):
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
self.ref = str(uuid.uuid4())
self.comms_handle = None
self.delay = delay
self.timeout = timeout
if throttle:
print(
"Warning: throttle parameter no longer supported; will not be accepted in future versions"
)
# Initialize the image and callback
self.ds, self.renderer = self._init_image()
callback = self._init_callback()
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
def figure_data(self, plot, fmt='html', **kwargs):
doc_handler = add_to_document(plot.state)
with doc_handler:
doc = doc_handler._doc
comm_id = plot.comm.id if plot.comm else None
div = notebook_div(plot.state, comm_id)
plot.document = doc
doc.add_root(plot.state)
return div
def figure_data(self, plot, fmt='html', **kwargs):
doc_handler = add_to_document(plot.state)
with doc_handler:
doc = doc_handler._doc
comms_target = str(uuid.uuid4())
doc.last_comms_target = comms_target
div = notebook_div(plot.state, comms_target)
plot.document = doc
doc.add_root(plot.state)
return div
def figure_data(self, plot, fmt='html', **kwargs):
doc_handler = add_to_document(plot.state)
with doc_handler:
doc = doc_handler._doc
comms_target = str(uuid.uuid4())
doc.last_comms_target = comms_target
div = notebook_div(plot.state, comms_target)
plot.document = doc
doc.add_root(plot.state)
return div
def __init__(self, bokeh_plot, callback, throttle=100, **kwargs):
"""
The callback function should have the signature:
fn(x_range=(xmin, xmax), y_range=(ymin, ymax), w, h, **kwargs)
and return a PIL image object. Any kwargs provided here will
be passed to the callback each time.
The throttle parameter allows control over how many times the
callback will get executed when there are frequent closely
spaced events.
"""
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
# Initialize RGBA image glyph and datasource
w, h = self.p.plot_width, self.p.plot_height
xmin, xmax = self.p.x_range.start, self.p.x_range.end
ymin, ymax = self.p.y_range.start, self.p.y_range.end
dw, dh = xmax-xmin, ymax-ymin
image = self.callback(x_range=(xmin, xmax), y_range=(ymin, ymax), w=w, h=h, **self.kwargs)
self.ds = ColumnDataSource(data=dict(image=[image.data], x=[xmin],
y=[ymin], dw=[dw], dh=[dh]))
self.p.image_rgba(source=self.ds, image='image', x='x', y='y',
dw='dw', dh='dh', dilate=False)
# Register callback on the class with unique reference
cls = type(self)
self.ref = str(uuid.uuid4())
cls._callbacks[self.ref] = self
# Generate python callback command
cmd = cls.cmd_template.format(module=cls.__module__,
cls=cls.__name__, ref=self.ref)
# Initialize callback
cb_code = cls.jscode.format(plot_id=self.p._id, cmd=cmd,
ref=self.ref.replace('-', '_'),
throttle=throttle)
cb_args = dict(x_range=self.p.x_range, y_range=self.p.y_range)
callback = CustomJS(args=cb_args, code=cb_code)
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
self.comms = None
def __init__(self, bokeh_plot, callback, throttle=500, **kwargs):
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
self.ref = str(uuid.uuid4())
self.comms_handle = None
self.throttle = throttle
# Initialize the image and callback
self.ds, self.renderer = self._init_image()
callback = self._init_callback()
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
def __init__(self, bokeh_plot, callback, throttle=500, **kwargs):
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
self.ref = str(uuid.uuid4())
self.comms_handle = None
self.throttle = throttle
# Initialize the image and callback
self.ds, self.renderer = self._init_image()
callback = self._init_callback()
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
def __init__(self, bokeh_plot, callback, throttle=100, **kwargs):
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
# Initialize RGBA image glyph and datasource
w, h = self.p.plot_width, self.p.plot_height
xmin, xmax = self.p.x_range.start, self.p.x_range.end
ymin, ymax = self.p.y_range.start, self.p.y_range.end
dw, dh = xmax-xmin, ymax-ymin
image = self.callback((xmin, xmax), (ymin, ymax), w, h, **self.kwargs)
self.ds = ColumnDataSource(data=dict(image=[image.img], x=[xmin],
y=[ymin], dw=[dw], dh=[dh]))
self.p.image_rgba(source=self.ds, image='image', x='x', y='y',
dw='dw', dh='dh', dilate=False)
# Register callback on the class with unique reference
cls = type(self)
self.ref = str(uuid.uuid4())
cls._callbacks[self.ref] = self
# Generate python callback command
cmd = cls.cmd_template.format(module=cls.__module__,
cls=cls.__name__, ref=self.ref)
# Initialize callback
cb_code = cls.jscode.format(plot_id=self.p._id, cmd=cmd,
ref=self.ref.replace('-', '_'),
throttle=throttle)
cb_args = dict(x_range=self.p.x_range, y_range=self.p.y_range)
callback = CustomJS(args=cb_args, code=cb_code)
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
self.comms = None
def __init__(self, bokeh_plot, callback, delay=200, timeout=2000, throttle=None,
**kwargs):
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
self.ref = str(uuid.uuid4())
self.comms_handle = None
self.delay = delay
self.timeout = timeout
if throttle:
print("Warning: throttle parameter no longer supported; will not be accepted in future versions")
# Initialize the image and callback
self.ds, self.renderer = self._init_image()
callback = self._init_callback()
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
