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# Figure Factory Subplots in Python

Subplots with Plotly Figure Factory Charts

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New to Plotly?

Plotly is a free and open-source graphing library for Python. We recommend you read our Getting Started guide for the latest installation or upgrade instructions, then move on to our Plotly Fundamentals tutorials or dive straight in to some Basic Charts tutorials.

#### Plotly's Figure Factory Module¶

Plotly's Python API contains a figure factory module which includes many wrapper functions that create unique chart types that are not yet included in plotly.js, Plotly's open-source graphing library. The figure factory functions create a full figure, so some Plotly features, such as subplotting, should be implemented slightly differently with these charts.

#### Vertical Figure Factory Charts¶

First create the figures that you'd like to appear in the subplot:

In :
import plotly.figure_factory as ff
import plotly.graph_objects as go

import numpy as np

## Create first figure
x1,y1 = np.meshgrid(np.arange(0, 2, .2), np.arange(0, 2, .2))
u1 = np.cos(x1)*y1
v1 = np.sin(x1)*y1

fig1 = ff.create_quiver(x1, y1, u1, v1, name='Quiver')

## Create second figure
x = np.linspace(-3, 3, 100)
y = np.linspace(-3, 3, 100)
Y, X = np.meshgrid(x, y)
u = -1 - X**2 + Y
v = 1 + X - Y**2

fig2 = ff.create_streamline(x, y, u, v, arrow_scale=.1, name='Steamline')


Edit the figures' x and y axes attributes to create subplots:

In :
for i in range(len(fig1.data)):
fig1.data[i].xaxis='x1'
fig1.data[i].yaxis='y1'

fig1.layout.xaxis1.update({'anchor': 'y1'})
fig1.layout.yaxis1.update({'anchor': 'x1', 'domain': [.55, 1]})

for i in range(len(fig2.data)):
fig2.data[i].xaxis='x2'
fig2.data[i].yaxis='y2'

# initialize xaxis2 and yaxis2
fig2['layout']['xaxis2'] = {}
fig2['layout']['yaxis2'] = {}

fig2.layout.xaxis2.update({'anchor': 'y2'})
fig2.layout.yaxis2.update({'anchor': 'x2', 'domain': [0, .45]})

Out:
layout.YAxis({
'anchor': 'x2', 'domain': [0, 0.45]
})

Combine the data and layout objects to create a figure

In :
fig = go.Figure()

fig.layout.update(fig1.layout)
fig.layout.update(fig2.layout)

fig.show()


#### Horizontal Table and Chart¶

In :
import plotly.graph_objects as go
import plotly.figure_factory as ff

table_data = [['Team', 'Wins', 'Losses', 'Ties'],
['Dallas Stars', 18, 5, 0],
['NY Rangers', 16, 5, 0],
['Boston<br>Bruins', 13, 8, 0],
['Chicago<br>Blackhawks', 13, 8, 0],
['LA Kings', 13, 8, 0],
['Ottawa<br>Senators', 12, 5, 0]]

fig = ff.create_table(table_data, height_constant=60)

teams = ['Montréal Canadiens', 'Dallas Stars', 'NY Rangers',
'Boston Bruins', 'Chicago Blackhawks', 'LA Kings', 'Ottawa Senators']
GFPG = [3.54, 3.48, 3.0, 3.27, 2.83, 2.45, 3.18]
GAPG = [2.17, 2.57, 2.0, 2.91, 2.57, 2.14, 2.77]

trace1 = go.Scatter(x=teams, y=GFPG,
marker=dict(color='#0099ff'),
name='Goals For<br>Per Game',
xaxis='x2', yaxis='y2')
trace2 = go.Scatter(x=teams, y=GAPG,
marker=dict(color='#404040'),
name='Goals Against<br>Per Game',
xaxis='x2', yaxis='y2')

# initialize xaxis2 and yaxis2
fig['layout']['xaxis2'] = {}
fig['layout']['yaxis2'] = {}

# Edit layout for subplots
fig.layout.xaxis.update({'domain': [0, .5]})
fig.layout.xaxis2.update({'domain': [0.6, 1.]})

# The graph's yaxis MUST BE anchored to the graph's xaxis
fig.layout.yaxis2.update({'anchor': 'x2'})
fig.layout.yaxis2.update({'title': 'Goals'})

# Update the margins to add a title and see graph x-labels.
fig.layout.margin.update({'t':50, 'b':100})
fig.layout.update({'title': '2016 Hockey Stats'})

fig.show()


#### Vertical Table and Chart¶

In :
import plotly.graph_objects as go
import plotly.figure_factory as ff

table_data = [['Team', 'Wins', 'Losses', 'Ties'],
['Dallas Stars', 18, 5, 0],
['NY Rangers', 16, 5, 0],
['Boston<br>Bruins', 13, 8, 0],
['Chicago<br>Blackhawks', 13, 8, 0],
['Ottawa<br>Senators', 12, 5, 0]]

# Initialize a figure with ff.create_table(table_data)
fig = ff.create_table(table_data, height_constant=60)

teams = ['Montréal Canadiens', 'Dallas Stars', 'NY Rangers',
'Boston Bruins', 'Chicago Blackhawks', 'Ottawa Senators']
GFPG = [3.54, 3.48, 3.0, 3.27, 2.83, 3.18]
GAPG = [2.17, 2.57, 2.0, 2.91, 2.57, 2.77]

# Make traces for graph
trace1 = go.Bar(x=teams, y=GFPG, xaxis='x2', yaxis='y2',
marker=dict(color='#0099ff'),
name='Goals For<br>Per Game')
trace2 = go.Bar(x=teams, y=GAPG, xaxis='x2', yaxis='y2',
marker=dict(color='#404040'),
name='Goals Against<br>Per Game')

# Add trace data to figure

# initialize xaxis2 and yaxis2
fig['layout']['xaxis2'] = {}
fig['layout']['yaxis2'] = {}

# Edit layout for subplots
fig.layout.yaxis.update({'domain': [0, .45]})
fig.layout.yaxis2.update({'domain': [.6, 1]})

# The graph's yaxis2 MUST BE anchored to the graph's xaxis2 and vice versa
fig.layout.yaxis2.update({'anchor': 'x2'})
fig.layout.xaxis2.update({'anchor': 'y2'})
fig.layout.yaxis2.update({'title': 'Goals'})

# Update the margins to add a title and see graph x-labels.
fig.layout.margin.update({'t':75, 'l':50})
fig.layout.update({'title': '2016 Hockey Stats'})

# Update the height because adding a graph vertically will interact with
# the plot height calculated for the table
fig.layout.update({'height':800})

# Plot!
fig.show()


#### Reference¶

Dash is an open-source framework for building analytical applications, with no Javascript required, and it is tightly integrated with the Plotly graphing library.

Learn about how to install Dash at https://dash.plot.ly/installation.

Everywhere in this page that you see fig.show(), you can display the same figure in a Dash application by passing it to the figure argument of the Graph component from the built-in dash_core_components package like this:

import plotly.graph_objects as go # or plotly.express as px
fig = go.Figure() # or any Plotly Express function e.g. px.bar(...)
# fig.update_layout( ... )

import dash
import dash_core_components as dcc
import dash_html_components as html

app = dash.Dash()
app.layout = html.Div([
dcc.Graph(figure=fig)
]) 