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https://github.com/ratatui-org/ratatui
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docs(examples): refactor chart example to showcase scatter (#703)
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Valentin271
GitHub
parent
b7a479392e
commit
d6b851301e
1 changed files with 162 additions and 56 deletions
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@ -9,18 +9,10 @@ use crossterm::{
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execute,
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terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
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};
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use ratatui::{prelude::*, widgets::*};
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const DATA: [(f64, f64); 5] = [(0.0, 0.0), (1.0, 1.0), (2.0, 2.0), (3.0, 3.0), (4.0, 4.0)];
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const DATA2: [(f64, f64); 7] = [
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(0.0, 0.0),
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(10.0, 1.0),
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(20.0, 0.5),
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(30.0, 1.5),
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(40.0, 1.0),
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(50.0, 2.5),
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(60.0, 3.0),
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];
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use ratatui::{
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prelude::*,
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widgets::{block::Title, *},
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};
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#[derive(Clone)]
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pub struct SinSignal {
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@ -142,14 +134,28 @@ fn run_app<B: Backend>(
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fn ui(f: &mut Frame, app: &App) {
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let size = f.size();
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let chunks = Layout::default()
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.direction(Direction::Vertical)
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.constraints([
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Constraint::Ratio(1, 3),
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Constraint::Ratio(1, 3),
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Constraint::Ratio(1, 3),
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])
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.split(size);
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let vertical_chunks = Layout::new(
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Direction::Vertical,
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[Constraint::Percentage(40), Constraint::Percentage(60)],
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)
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.split(size);
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// top chart
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render_chart1(f, vertical_chunks[0], app);
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let horizontal_chunks = Layout::new(
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Direction::Horizontal,
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[Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)],
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)
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.split(vertical_chunks[1]);
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// bottom left
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render_line_chart(f, horizontal_chunks[0]);
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// bottom right
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render_scatter(f, horizontal_chunks[1]);
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}
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fn render_chart1(f: &mut Frame, area: Rect, app: &App) {
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let x_labels = vec![
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Span::styled(
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format!("{}", app.window[0]),
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@ -194,64 +200,164 @@ fn ui(f: &mut Frame, app: &App) {
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.labels(vec!["-20".bold(), "0".into(), "20".bold()])
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.bounds([-20.0, 20.0]),
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);
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f.render_widget(chart, chunks[0]);
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f.render_widget(chart, area);
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}
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fn render_line_chart(f: &mut Frame, area: Rect) {
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let datasets = vec![Dataset::default()
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.name("data")
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.name("Line from only 2 points")
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.marker(symbols::Marker::Braille)
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.style(Style::default().fg(Color::Yellow))
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.graph_type(GraphType::Line)
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.data(&DATA)];
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.data(&[(1., 1.), (4., 4.)])];
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let chart = Chart::new(datasets)
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.block(
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Block::default()
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.title("Chart 2".cyan().bold())
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.title(
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Title::default()
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.content("Line chart".cyan().bold())
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.alignment(Alignment::Center),
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)
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.borders(Borders::ALL),
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)
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.x_axis(
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Axis::default()
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.title("X Axis")
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.style(Style::default().fg(Color::Gray))
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.style(Style::default().gray())
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.bounds([0.0, 5.0])
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.labels(vec!["0".bold(), "2.5".into(), "5.0".bold()]),
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)
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.y_axis(
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Axis::default()
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.title("Y Axis")
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.style(Style::default().fg(Color::Gray))
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.style(Style::default().gray())
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.bounds([0.0, 5.0])
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.labels(vec!["0".bold(), "2.5".into(), "5.0".bold()]),
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)
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.hidden_legend_constraints((Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)));
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f.render_widget(chart, chunks[1]);
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let datasets = vec![Dataset::default()
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.name("data")
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.marker(symbols::Marker::Braille)
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.style(Style::default().fg(Color::Yellow))
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.graph_type(GraphType::Line)
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.data(&DATA2)];
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let chart = Chart::new(datasets)
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.block(
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Block::default()
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.title("Chart 3".cyan().bold())
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.borders(Borders::ALL),
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)
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.x_axis(
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Axis::default()
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.title("X Axis")
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.style(Style::default().fg(Color::Gray))
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.bounds([0.0, 50.0])
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.labels(vec!["0".bold(), "25".into(), "50".bold()]),
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)
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.y_axis(
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Axis::default()
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.title("Y Axis")
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.style(Style::default().fg(Color::Gray))
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.bounds([0.0, 5.0])
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.labels(vec!["0".bold(), "2.5".into(), "5".bold()]),
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)
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.legend_position(Some(LegendPosition::TopLeft))
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.hidden_legend_constraints((Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)));
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f.render_widget(chart, chunks[2]);
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f.render_widget(chart, area)
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}
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fn render_scatter(f: &mut Frame, area: Rect) {
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let datasets = vec![
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Dataset::default()
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.name("Heavy")
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.marker(Marker::Dot)
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.graph_type(GraphType::Scatter)
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.style(Style::new().yellow())
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.data(&HEAVY_PAYLOAD_DATA),
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Dataset::default()
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.name("Medium")
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.marker(Marker::Braille)
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.graph_type(GraphType::Scatter)
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.style(Style::new().magenta())
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.data(&MEDIUM_PAYLOAD_DATA),
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Dataset::default()
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.name("Small")
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.marker(Marker::Dot)
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.graph_type(GraphType::Scatter)
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.style(Style::new().cyan())
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.data(&SMALL_PAYLOAD_DATA),
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];
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let chart = Chart::new(datasets)
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.block(
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Block::new().borders(Borders::all()).title(
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Title::default()
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.content("Scatter chart".cyan().bold())
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.alignment(Alignment::Center),
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),
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)
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.x_axis(
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Axis::default()
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.title("Year")
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.bounds([1960., 2020.])
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.style(Style::default().fg(Color::Gray))
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.labels(vec!["1960".into(), "1990".into(), "2020".into()]),
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)
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.y_axis(
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Axis::default()
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.title("Cost")
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.bounds([0., 75000.])
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.style(Style::default().fg(Color::Gray))
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.labels(vec!["0".into(), "37 500".into(), "75 000".into()]),
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)
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.hidden_legend_constraints((Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)));
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f.render_widget(chart, area);
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}
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// Data from https://ourworldindata.org/space-exploration-satellites
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const HEAVY_PAYLOAD_DATA: [(f64, f64); 9] = [
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(1965., 8200.),
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(1967., 5400.),
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(1981., 65400.),
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(1989., 30800.),
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(1997., 10200.),
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(2004., 11600.),
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(2014., 4500.),
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(2016., 7900.),
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(2018., 1500.),
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];
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const MEDIUM_PAYLOAD_DATA: [(f64, f64); 29] = [
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(1963., 29500.),
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(1964., 30600.),
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(1965., 177900.),
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(1965., 21000.),
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(1966., 17900.),
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(1966., 8400.),
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(1975., 17500.),
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(1982., 8300.),
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(1985., 5100.),
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(1988., 18300.),
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(1990., 38800.),
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(1990., 9900.),
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(1991., 18700.),
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(1992., 9100.),
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(1994., 10500.),
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(1994., 8500.),
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(1994., 8700.),
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(1997., 6200.),
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(1999., 18000.),
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(1999., 7600.),
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(1999., 8900.),
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(1999., 9600.),
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(2000., 16000.),
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(2001., 10000.),
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(2002., 10400.),
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(2002., 8100.),
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(2010., 2600.),
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(2013., 13600.),
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(2017., 8000.),
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];
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const SMALL_PAYLOAD_DATA: [(f64, f64); 23] = [
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(1961., 118500.),
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(1962., 14900.),
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(1975., 21400.),
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(1980., 32800.),
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(1988., 31100.),
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(1990., 41100.),
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(1993., 23600.),
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(1994., 20600.),
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(1994., 34600.),
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(1996., 50600.),
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(1997., 19200.),
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(1997., 45800.),
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(1998., 19100.),
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(2000., 73100.),
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(2003., 11200.),
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(2008., 12600.),
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(2010., 30500.),
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(2012., 20000.),
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(2013., 10600.),
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(2013., 34500.),
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(2015., 10600.),
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(2018., 23100.),
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(2019., 17300.),
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];
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