Ternary Plots in Python
How to make Ternary plots in Python with Plotly.
Basic Ternary Plot with Markers¶
In [1]:
import plotly.graph_objects as go
rawData = [
{'journalist':75,'developer':25,'designer':0,'label':'point 1'},
{'journalist':70,'developer':10,'designer':20,'label':'point 2'},
{'journalist':75,'developer':20,'designer':5,'label':'point 3'},
{'journalist':5,'developer':60,'designer':35,'label':'point 4'},
{'journalist':10,'developer':80,'designer':10,'label':'point 5'},
{'journalist':10,'developer':90,'designer':0,'label':'point 6'},
{'journalist':20,'developer':70,'designer':10,'label':'point 7'},
{'journalist':10,'developer':20,'designer':70,'label':'point 8'},
{'journalist':15,'developer':5,'designer':80,'label':'point 9'},
{'journalist':10,'developer':10,'designer':80,'label':'point 10'},
{'journalist':20,'developer':10,'designer':70,'label':'point 11'},
];
def makeAxis(title, tickangle):
return {
'title': title,
'titlefont': { 'size': 20 },
'tickangle': tickangle,
'tickfont': { 'size': 15 },
'tickcolor': 'rgba(0,0,0,0)',
'ticklen': 5,
'showline': True,
'showgrid': True
}
fig = go.Figure(go.Scatterternary({
'mode': 'markers',
'a': [i for i in map(lambda x: x['journalist'], rawData)],
'b': [i for i in map(lambda x: x['developer'], rawData)],
'c': [i for i in map(lambda x: x['designer'], rawData)],
'text': [i for i in map(lambda x: x['label'], rawData)],
'marker': {
'symbol': 100,
'color': '#DB7365',
'size': 14,
'line': { 'width': 2 }
}
}))
fig.update_layout({
'ternary': {
'sum': 100,
'aaxis': makeAxis('Journalist', 0),
'baxis': makeAxis('<br>Developer', 45),
'caxis': makeAxis('<br>Designer', -45)
},
'annotations': [{
'showarrow': False,
'text': 'Simple Ternary Plot with Markers',
'x': 0.5,
'y': 1.3,
'font': { 'size': 15 }
}]
})
fig.show()
Reference¶
See https://plot.ly/python/reference/#scatterternary for more information and chart attribute options!