reading
https://discourse.holoviz.org/t/how-do-i-link-plots-and-tables/925
https://discourse.holoviz.org/t/selection-fails-when-shared-datasource/1061/2
bokeh=2.02 ,panel=0.9.5, holoviews=‘1.13.5’
i implemented the following code with following errors:-
import pandas as pd
import numpy as np
import holoviews as hv
from holoviews import opts
import panel as pn
import param
from holoviews.selection import link_selections
hv.extension('bokeh')
df = pd.DataFrame(np.random.rand(100,3), columns=['a','b','c'])
dataset = hv.Dataset(df)
link = link_selections.instance()
table = None
def print_sel_indices():
for i in table.dframe().index:
print("Dataset index '{i}' is currently selected:".format(i=i))
print(dataset.iloc[i].data)
print("-----------------------------------------")
@param.depends(link.param.selection_expr)
def sel_indices_to_table(_):
global table
table = hv.Table(dataset.select(link.selection_expr)).opts(width=900, height=200)
return table
scatter1 = hv.Scatter(data=dataset, kdims=['a', 'b'], vdims=['b'])
scatter2 = hv.Scatter(data=dataset, kdims=['a', 'c'], vdims=['c'])
scat_plots = link(scatter1 + scatter2).cols(2)
scat_plots.opts(shared_axes=True, shared_datasource=False)
layout = pn.Column(scat_plots, sel_indices_to_table)
layout
It Results into following error:-
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
e:\Anaconda\lib\site-packages\IPython\core\formatters.py in __call__(self, obj, include, exclude)
968
969 if method is not None:
--> 970 return method(include=include, exclude=exclude)
971 return None
972 else:
e:\Anaconda\lib\site-packages\panel\viewable.py in _repr_mimebundle_(self, include, exclude)
467
468 doc = _Document()
--> 469 model = self._render_model(doc, comm)
470 ref = model.ref['id']
471 manager = CommManager(comm_id=comm.id, plot_id=ref)
e:\Anaconda\lib\site-packages\panel\viewable.py in _render_model(self, doc, comm)
415 if comm is None:
416 comm = state._comm_manager.get_server_comm()
--> 417 model = self.get_root(doc, comm)
418
419 if config.embed:
e:\Anaconda\lib\site-packages\panel\viewable.py in get_root(self, doc, comm)
640 """
641 doc = doc or _curdoc()
--> 642 root = self._get_model(doc, comm=comm)
643 self._preprocess(root)
644 ref = root.ref['id']
e:\Anaconda\lib\site-packages\panel\layout.py in _get_model(self, doc, root, parent, comm)
118 if root is None:
119 root = model
--> 120 objects = self._get_objects(model, [], doc, root, comm)
121 props = dict(self._init_properties(), objects=objects)
122 model.update(**self._process_param_change(props))
e:\Anaconda\lib\site-packages\panel\layout.py in _get_objects(self, model, old_objects, doc, root, comm)
108 else:
109 try:
--> 110 child = pane._get_model(doc, root, model, comm)
111 except RerenderError:
112 return self._get_objects(model, current_objects[:i], doc, root, comm)
e:\Anaconda\lib\site-packages\panel\pane\holoviews.py in _get_model(self, doc, root, parent, comm)
225 plot = self.object
226 else:
--> 227 plot = self._render(doc, comm, root)
228
229 plot.pane = self
e:\Anaconda\lib\site-packages\panel\pane\holoviews.py in _render(self, doc, comm, root)
284 kwargs = {}
285
--> 286 return renderer.get_plot(self.object, **kwargs)
287
288 def _cleanup(self, root):
e:\Anaconda\lib\site-packages\holoviews\plotting\bokeh\renderer.py in get_plot(self_or_cls, obj, doc, renderer, **kwargs)
71 combining the bokeh model with another plot.
72 """
---> 73 plot = super(BokehRenderer, self_or_cls).get_plot(obj, doc, renderer, **kwargs)
74 if plot.document is None:
75 plot.document = Document() if self_or_cls.notebook_context else curdoc()
e:\Anaconda\lib\site-packages\holoviews\plotting\renderer.py in get_plot(self_or_cls, obj, doc, renderer, comm, **kwargs)
238 init_key = tuple(v if d is None else d for v, d in
239 zip(plot.keys[0], defaults))
--> 240 plot.update(init_key)
241 else:
242 plot = obj
e:\Anaconda\lib\site-packages\holoviews\plotting\plot.py in update(self, key)
924 def update(self, key):
925 if len(self) == 1 and ((key == 0) or (key == self.keys[0])) and not self.drawn:
--> 926 return self.initialize_plot()
927 item = self.__getitem__(key)
928 self.traverse(lambda x: setattr(x, '_updated', True))
e:\Anaconda\lib\site-packages\holoviews\plotting\bokeh\plot.py in initialize_plot(self, plots, ranges)
907
908 shared_plots = list(passed_plots) if self.shared_axes else None
--> 909 subplots = subplot.initialize_plot(ranges=ranges, plots=shared_plots)
910 nsubplots = len(subplots)
911
e:\Anaconda\lib\site-packages\holoviews\plotting\bokeh\plot.py in initialize_plot(self, ranges, plots)
1051 else:
1052 passed_plots = plots + adjoined_plots
-> 1053 adjoined_plots.append(subplot.initialize_plot(ranges=ranges, plots=passed_plots))
1054 self.drawn = True
1055 if not adjoined_plots: adjoined_plots = [None]
e:\Anaconda\lib\site-packages\holoviews\plotting\bokeh\element.py in initialize_plot(self, ranges, plot, plots)
2592 isinstance(sp, TablePlot) for sp in self.subplots.values())
2593 if plot is None and not self.tabs and not self.batched:
-> 2594 plot = self._init_plot(key, element, ranges=ranges, plots=plots)
2595 self._init_axes(plot)
2596 self.handles['plot'] = plot
e:\Anaconda\lib\site-packages\holoviews\plotting\bokeh\element.py in _init_plot(self, key, element, plots, ranges)
576
577 if self.toolbar != 'disable':
--> 578 tools = self._init_tools(element)
579 properties['tools'] = tools
580 properties['toolbar_location'] = self.toolbar
e:\Anaconda\lib\site-packages\holoviews\plotting\bokeh\element.py in _init_tools(self, element, callbacks)
2516 el = element.get(key)
2517 if el is not None:
-> 2518 el_tools = subplot._init_tools(el, self.callbacks)
2519 for tool in el_tools:
2520 if isinstance(tool, util.basestring):
e:\Anaconda\lib\site-packages\holoviews\plotting\bokeh\element.py in _init_tools(self, element, callbacks)
337 # Link the selection properties between tools
338 if box_tools and lasso_tools:
--> 339 box_tools[0].js_link('mode', lasso_tools[0], 'mode')
340 lasso_tools[0].js_link('mode', box_tools[0], 'mode')
341
e:\Anaconda\lib\site-packages\bokeh\model.py in js_link(self, attr, other, other_attr, attr_selector)
460 if attr not in self.properties():
461 raise ValueError("%r is not a property of self (%r)" %
--> 462 (attr, self))
463
464 if not isinstance(other, Model):
ValueError: 'mode' is not a property of self (BoxSelectTool(id='1009', ...))
Column
[0] HoloViews(Layout)
[1] ParamFunction(function)
