set_part("1","Brest -> Paris ")// delete this cell if you define your dot_fragment literally (without computation)
set_part("2","Paris -> München ")// delete this cell if you define your dot_fragment literally (without computation)
set_part("3","München -> Wien")// delete this cell if you define your dot_fragment literally (without computation)
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.