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.. currentmodule:: altair
.. _user-guide-circle-marks:
Circle
~~~~~~
``circle`` mark is similar to ``point`` mark, except that (1) the ``shape`` value is always set to ``circle`` (2) they are filled by default.
Circle Mark Properties
^^^^^^^^^^^^^^^^^^^^^^
A ``circle`` mark definition can contain any :ref:`standard mark properties <mark-properties>`
and the following special properties:
.. altair-object-table:: altair.MarkDef
:properties: size
Scatter Plot with Circle
^^^^^^^^^^^^^^^^^^^^^^^^
Here is an example scatter plot with ``circle`` marks:
.. altair-plot::
import altair as alt
from vega_datasets import data
source = data.cars.url
alt.Chart(source).mark_circle().encode(
x=("Horsepower:Q"),
y=("Miles_per_Gallon:Q"),
)
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