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extern crate piston_window;
extern crate graphics as piston_graphics;
use piston_window::*;
use piston_graphics::*;
pub fn plot(
x: &[f64],
y: &[f64],
min_x: f64,
min_y: f64,
max_x: f64,
max_y: f64)
{
assert!(min_x < max_x && min_y < max_y);
let (window_width, window_height) = (600, 600);
let mut window: PistonWindow = WindowSettings::new("2d_line_plot", [window_width, window_height]).exit_on_esc(true).build().unwrap();
while let Some(e) = window.next()
{
window.draw_2d(&e, |context, graphics| {
clear([1.0, 1.0, 1.0, 1.0], graphics);
let line = Line::new([0.0, 0.0, 0.0, 1.0], 1.0);
let mut prev: Option<(f64, f64)> = None;
for (x, y) in x.into_iter().zip(y.into_iter())
{
match prev
{
Some((px, py)) => {
let coords = [
(px - min_x) / (max_x - min_x) * (window_width as f64),
(py - min_y) / (max_y - min_y) * (window_height as f64),
(x - min_x) / (max_x - min_x) * (window_width as f64),
(y - min_y) / (max_y - min_y) * (window_height as f64)];
line.draw(
coords,
&context.draw_state,
context.transform,
graphics);
}
None => {}
}
prev = Some((*x, *y));
}
});
}
}
#[cfg(test)]
mod tests
{
use super::*;
#[test]
fn it_works()
{
}
}