Function test_plot_3d

tests/test_plot.rs:101–160

()

#[test]
fn test_plot_3d() -> Result<(), StrError> {
    // curve
    let curve = gen_curve_3d();

    // plot
    let mut plot = Plot::new();
    plot.set_subplot_3d(2, 2, 1)
        .add(&curve)
        .set_labels_3d("X AXIS", "Y AXIS", "Z AXIS")
        .set_num_ticks_x(0)
        .set_num_ticks_y(0)
        .set_num_ticks_z(0)
        .set_subplot_3d(2, 2, 2)
        .add(&curve)
        .set_label_x("X AXIS IS BEAUTIFUL")
        .set_label_y("Y AXIS IS BEAUTIFUL")
        .set_label_z("Z AXIS IS BEAUTIFUL")
        .set_xrange(-3.0, 3.0)
        .set_yrange(-3.0, 3.0)
        .set_zrange(-1.5, 1.5)
        .set_num_ticks_x(3)
        .set_num_ticks_y(3)
        .set_num_ticks_z(3)
        .set_hide_xticks()
        .set_hide_yticks()
        .set_hide_zticks()
        .set_subplot_3d(2, 2, 3)
        .add(&curve)
        .set_labels_3d("X HERE", "Y HERE", "Z HERE")
        .set_xmin(-2.0)
        .set_xmax(2.0)
        .set_ymin(-2.0)
        .set_ymax(2.0)
        .set_zmin(-1.0)
        .set_zmax(1.0)
        .set_subplot_3d(2, 2, 4)
        .add(&curve)
        .set_hide_xticks()
        .set_hide_yticks()
        .set_hide_zticks()
        .set_label_x_and_pad("X IS CLOSER NOW", -15.0)
        .set_label_y_and_pad("Y IS CLOSER NOW", -15.0)
        .set_label_z_and_pad("Z IS CLOSER NOW", -15.0)
        .set_range_3d(-10.0, 10.0, -10.0, 10.0, -3.0, 3.0);

    // save figure
    let path = Path::new(OUT_DIR).join("integ_plot_3d.svg");
    plot.set_horizontal_gap(0.2)
        .set_save_pad_inches(0.4)
        .set_figure_size_points(600.0, 600.0)
        .save(&path)?;

    // check number of lines
    let file = File::open(path).map_err(|_| "cannot open file")?;
    let buffered = BufReader::new(file);
    let lines_iter = buffered.lines();
    let n_lines = lines_iter.count();
    assert!(n_lines > 1800 && n_lines < 1950);