gnuplot 0.0.31

// This file is released into Public Domain.
use crate::common::*;
use gnuplot::*;

mod common;

fn example(c: Common)
{
	let zw = 61;
	let zh = 61;
	let mut z1 = Vec::with_capacity((zw * zh) as usize);
	for i in 0..zh
	{
		for j in 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.cos() * y.cos() / ((x * x + y * y).sqrt() + 1.0));
		}
	}

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

	fg.axes2d()
		.set_title("Image fg4.1", &[])
		.set_cb_range(Fix(-1.0), Fix(1.0))
		.set_cb_ticks(Some((Fix(0.25), 1)), &[], &[])
		.set_cb_label("Label", &[Rotate(0.0)])
		.image(z1.iter(), zw, zh, Some((-4.0, -4.0, 4.0, 4.0)), &[]);

	c.show(&mut fg, "fg4.1.gnuplot");

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

	fg.axes3d()
		.set_title("Surface fg4.2", &[])
		.surface(z1.iter(), zw, zh, Some((-4.0, -4.0, 4.0, 4.0)), &[])
		.set_x_label("X", &[])
		.set_y_label("Y", &[])
		.set_z_label("Z", &[])
		.set_z_range(Fix(-1.0), Fix(1.0))
		.set_z_ticks(Some((Fix(1.0), 1)), &[Mirror(false)], &[])
		.set_cb_range(Fix(-1.0), Fix(1.0))
		.set_view(45.0, 45.0);

	c.show(&mut fg, "fg4.2.gnuplot");

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

	fg.axes3d()
		.set_title("Cube Helix Palette fg4.3", &[])
		.surface(z1.iter(), zw, zh, Some((-4.0, -4.0, 4.0, 4.0)), &[])
		.set_x_label("X", &[])
		.set_y_label("Y", &[])
		.set_z_label("Z", &[])
		.set_z_range(Fix(-1.0), Fix(1.0))
		.set_z_ticks(Some((Fix(1.0), 1)), &[Mirror(false)], &[])
		.set_cb_range(Fix(-1.0), Fix(1.0))
		.set_palette(HELIX)
		.set_view(45.0, 45.0);

	c.show(&mut fg, "fg4.3.gnuplot");

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

	fg.axes3d()
		.set_title("Gray Palette fg4.4", &[])
		.surface(z1.iter(), zw, zh, Some((-4.0, -4.0, 4.0, 4.0)), &[])
		.set_x_label("X", &[])
		.set_y_label("Y", &[])
		.set_z_label("Z", &[])
		.set_z_range(Fix(-1.0), Fix(1.0))
		.set_z_ticks(Some((Fix(1.0), 1)), &[Mirror(false)], &[])
		.set_palette(GRAY)
		.set_view(45.0, 45.0);

	c.show(&mut fg, "fg4.4.gnuplot");

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

	fg.axes3d()
		.set_title("Black Body Palette fg4.5", &[])
		.surface(z1.iter(), zw, zh, Some((-4.0, -4.0, 4.0, 4.0)), &[])
		.set_x_label("X", &[])
		.set_y_label("Y", &[])
		.set_z_label("Z", &[])
		.set_z_range(Fix(-1.0), Fix(1.0))
		.set_z_ticks(Some((Fix(1.0), 1)), &[Mirror(false)], &[])
		.set_palette(HOT)
		.set_view(45.0, 45.0);

	c.show(&mut fg, "fg4.5.gnuplot");

	let palette: [(f32, f32, f32, f32); 6] = [
		(0.00, 1.0, 0.0, 0.0),
		(0.33, 1.0, 0.0, 0.0),
		(0.33, 0.0, 1.0, 0.0),
		(0.66, 0.0, 1.0, 0.0),
		(0.66, 0.0, 0.0, 1.0),
		(1.00, 0.0, 0.0, 1.0),
	];

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

	fg.axes3d()
		.set_title("Custom Palette fg4.5", &[])
		.surface(z1.iter(), zw, zh, Some((-4.0, -4.0, 4.0, 4.0)), &[])
		.set_x_label("X", &[])
		.set_y_label("Y", &[])
		.set_z_label("Z", &[])
		.set_z_range(Fix(-1.0), Fix(1.0))
		.set_z_ticks(Some((Fix(1.0), 1)), &[Mirror(false)], &[])
		.set_custom_palette(palette.iter().map(|&x| x))
		.set_view(45.0, 45.0);

	c.show(&mut fg, "fg4.5.gnuplot");
}

fn main()
{
	Common::new().map(|c| example(c));
}