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Start Server
Start ElixirNote using:
elixir-lab --allow-root --ip=0.0.0.0
ElixirNote will open automatically in your browser.
If your notebook files are not in the current directory, you can pass your working directory path as an argument when starting ElixirNote.
elixir-lab --allow-root --ip=0.0.0.0 --notebook-dir=~/myNotebooks
ElixirNote runs on top of Elixir Server, so see the server section if necessary.
Edit Your First Notebook
Copy below content into cell:
import altair as alt
from vega_datasets import data
boroughs = alt.topo_feature(data.londonBoroughs.url, 'boroughs')
tubelines = alt.topo_feature(data.londonTubeLines.url, 'line')
centroids = data.londonCentroids
Output like this:
.
url
background = alt.Chart(boroughs).mark_geoshape(
stroke='white',
strokeWidth=2
).encode(
color=alt.value('#eee'),
).properties(
width=1200,
height=700
)
labels = alt.Chart(centroids).mark_text().encode(
longitude='cx:Q',
latitude='cy:Q',
text='bLabel:N',
size=alt.value(8),
opacity=alt.value(0.6)
).transform_calculate(
"bLabel", "indexof (datum.name,' ') > 0 ? substring(datum.name,0,indexof(datum.name, ' ')) : datum.name"
)
line_scale = alt.Scale(domain=["Bakerloo", "Central", "Circle", "District", "DLR",
"Hammersmith & City", "Jubilee", "Metropolitan", "Northern",
"Piccadilly", "Victoria", "Waterloo & City"],
range=["rgb(137,78,36)", "rgb(220,36,30)", "rgb(255,206,0)",
"rgb(1,114,41)", "rgb(0,175,173)", "rgb(215,153,175)",
"rgb(106,114,120)", "rgb(114,17,84)", "rgb(0,0,0)",
"rgb(0,24,168)", "rgb(0,160,226)", "rgb(106,187,170)"])
lines = alt.Chart(tubelines).mark_geoshape(
filled=False,
strokeWidth=2
).encode(
alt.Color(
'id:N',
legend=alt.Legend(
title=None,
orient='bottom-right',
offset=0
),
scale=line_scale
)
)
background + labels + lines
