[Altair] Circle

작성일자 : 2024-09-21

Ver 0.1.1

 

Circle

Circel Mark는 Point Mark와 유사하지만 (1) 모양 값이 항상 원으로 설정되어 있고 (2) 기본적으로 채워집니다.

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속성

A circle mark definition can contain any standard mark properties and the following special properties:

속성	유형	설명
size	anyOf(number, ExprRef)	Default size for marks. For point/circle/square, this represents the pixel area of the marks. Note that this value sets the area of the symbol; the side lengths will increase with the square root of this value. For bar, this represents the band size of the bar, in pixels. For text, this represents the font size, in pixels. Default value: 30 for point, circle, square marks; width/height’s step 2 for bar marks with discrete dimensions; 5 for bar marks with continuous dimensions; 11 for text marks.

 

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Scatter Plot with Circle

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"),
)