gnuplot 0.0.2

Rust gnuplot controller
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// This file is released into Public Domain.
#![feature(globs)]
#![feature(unboxed_closures)]

extern crate gnuplot;

use std::iter::{repeat, range_step};

use gnuplot::*;

mod common;

fn example(show: |fg: &mut Figure, filename: &str|, set_term: |fg: &mut Figure|)
{
	let x = &[1i32, 2, 3, 4, 5];
	let x = x.iter();
	let y1: Vec<i32> = x.map(|&v| { v * v }).collect();
	let y1 = y1.iter();
	
	let x2 = &[1i32, 4, 5];
	let x2 = x2.iter();
	let y2: Vec<i32> = x2.map(|&v| { v * v }).collect();
	let y2 = y2.iter();
	let w = repeat(0.5f32);
	
	let x3 = &[-3i32, -2, -1, 0, 2, 3];
	let x3 = x3.iter();
	let y3: Vec<i32> = x3.map(|&v| { v * v * v }).collect();
	let y3 = y3.iter();
	
	let zw = 16u;
	let zh = 16u;
	let mut z1 = Vec::with_capacity((zw * zh) as uint);
	for i in range(0, zh)
	{
		for j in range(0, zw)
		{
			let y = 8.0 * (i as f64) / zh as f64 - 4.0;
			let x = 8.0 * (j as f64) / zw as f64 - 4.0;
			z1.push(x + y);
		}
	}
	
	let mut fg = Figure::new();
	set_term(&mut fg);
	
	fg.axes2d()
	.set_title("Arrows", &[])
	.lines(x, y1, &[LineWidth(3.0), Color("brown"), LineStyle(DotDash)])
	.arrow(Graph(0.5), Graph(1.0), Axis(1.0), Axis(1.0), &[ArrowType(Filled), ArrowSize(0.1), LineStyle(DotDotDash), LineWidth(2.0), Color("red")])
	.arrow(Graph(0.5), Graph(1.0), Axis(3.0), Axis(9.0), &[ArrowType(Open), Color("green")]);
	
	show(&mut fg, "fg2.1.gnuplot");
	
	let mut fg = Figure::new();
	set_term(&mut fg);
	
	fg.axes2d()
	.set_title("Boxes", &[])
	.boxes(x2, y2, &[LineWidth(2.0), Color("cyan"), BorderColor("blue"), LineStyle(DotDash)])
	.boxes_set_width(x, y1, w, &[LineWidth(2.0), Color("gray"), BorderColor("black")]);
	
	show(&mut fg, "fg2.2.gnuplot");
	
	let mut fg = Figure::new();
	set_term(&mut fg);
	
	fg.axes2d()
	.set_title("Axis Ticks", &[])
	.lines(x3, y3, &[LineWidth(2.0), Color("blue")])
	.set_x_ticks_custom(range_step(0u, 10, 2).map(|x| Major(x as f32, Fix("%.2f ms".to_string())))
	                    .chain(range_step(1u, 10, 2).map(|x| Minor(x as f32))).chain(Some(Major(-2.1f32, Fix("%.2f ms".to_string()))).into_iter()), 
						&[MajorScale(2.0), MinorScale(0.5), OnAxis(true)], &[TextColor("blue"), TextAlign(AlignCenter)])
	.set_y_ticks(Some((Fix(2.0), 1)), &[Mirror(false)], &[]);
	
	show(&mut fg, "fg2.3.gnuplot");
	
	let mut fg = Figure::new();
	set_term(&mut fg);
	
	fg.axes2d()
	.set_title("Border, Axes", &[])
	.set_border(true, &[Left, Bottom], &[LineWidth(2.0)])
	.set_x_ticks(Some((Fix(1.0), 1)), &[Mirror(false)], &[])
	.set_y_ticks(Some((Fix(5.0), 0)), &[Mirror(false)], &[])
	.lines(x3, y3, &[LineWidth(2.0), Color("blue")])
	.set_x_axis(true, &[LineWidth(2.0), LineStyle(DotDotDash)])
	.set_y_axis(true, &[LineWidth(2.0), Color("red")]);
	
	show(&mut fg, "fg2.4.gnuplot");
	
	let mut fg = Figure::new();
	set_term(&mut fg);
	
	fg.axes2d()
	.set_title("Image", &[])
	.image(z1.iter(), zw, zh, Some((-4.0, -4.0, 4.0, 4.0)), &[]);
	
	show(&mut fg, "fg2.5.gnuplot");
	
	let mut fg = Figure::new();
	set_term(&mut fg);

	fg.axes2d()
	.set_title("Image without borders", &[])
	.set_border(false, &[], &[])
	.set_x_ticks(None, &[], &[])
	.set_y_ticks(None, &[], &[])
	.image(z1.iter(), zw, zh, Some((-4.0, -4.0, 4.0, 4.0)), &[]);
	
	show(&mut fg, "fg2.6.gnuplot");

	let x4 = &[1f32, 10.0, 100.0];
	let y4 = &[1f32, 3f32, 9f32];

	let mut fg = Figure::new();
	set_term(&mut fg);

	fg.axes2d()
	.set_title("Logarithmic", &[])
	.lines(x4.iter(), y4.iter(), &[])
	.set_x_ticks(Some((Auto, 1)), &[], &[])
	.set_y_ticks(Some((Auto, 1)), &[], &[])
	.set_x_log(Some(10.0))
	.set_y_log(Some(3.0));

	show(&mut fg, "fg2.7.gnuplot");
}

fn main()
{
	common::run().map(|(_, f, t)| example(|fg, fi| f.call((fg, fi)), |fg| t.call((fg,))));
}