"""
Hiding all node markers
=======================
"""

# %%
# By default, markers of root nodes of subtrees are visible. Visibility is controlled by marker
# sizes. All node markers can be hidden by setting all marker sizes to zero.

import plotly.graph_objects as go
import plotly.io as pio
import scipy

from pdendro import make_components

X = [[0.0], [1.0], [3.0], [6.0]]
Z = scipy.cluster.hierarchy.linkage(X)

T = scipy.cluster.hierarchy.fcluster(Z, 1.5, criterion="distance")
L, _ = scipy.cluster.hierarchy.leaders(Z, T)

node_trace, link_traces, x_axis, y_axis = make_components(Z, subtrees=L)
node_trace.update(marker={"size": [0]*len(node_trace.marker.size)})

fig = go.Figure()
fig.add_traces(list(link_traces.values()))
fig.add_trace(node_trace)
fig.update_xaxes(x_axis)
fig.update_yaxes(y_axis)
pio.show(fig)

# %%
# Alternatively, if the :func:`~pdendro.attach_dendrogram` function is used, marker sizes must be
# modified later.

from pdendro import attach_dendrogram

fig = go.Figure()
attach_dendrogram(fig, Z, subtrees=L)

node_trace = fig.data[-1]
node_trace.update(marker={"size": [0]*len(node_trace.marker.size)})

pio.show(fig)