let mut data: GraphData = serde_json::from_str(include_str!("les-miserables.json")).unwrap();

for d in data.nodes.iter_mut() {

if d.symbol_size > 30.0 {

d.label = Some(GraphNodeLabel::new().show(true));

}

}

let legend: Vec<String> = data.categories.iter().map(|c| c.name.clone()).collect();

Chart::new()

.title(

Title::new()

.text("Les Miserables")

.subtext("Circular layout")

.top("bottom")

.left("right"),

)

.legend(Legend::new().data(legend))

.tooltip(Tooltip::new())

.series(

Graph::new()

.name("Les Miserables")

.layout(GraphLayout::Circular)

.circular(GraphLayoutCircular::new().rotate_label(true))

.roam(true)

.label(Label::new().position(LabelPosition::Right).formatter("{b}"))

.line_style(LineStyle::new().color("source").curveness(0.3))

.data(data),

)