diff -r 7bb0e27910aa -r 69db1d2e4cec rust/land_dump/src/main.rs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/land_dump/src/main.rs	Sat Nov 03 18:29:58 2018 +0100
@@ -0,0 +1,99 @@
+extern crate integral_geometry;
+extern crate land2d;
+extern crate landgen;
+extern crate lfprng;
+extern crate png;
+extern crate structopt;
+
+use png::HasParameters;
+use std::fs::File;
+use std::io::BufWriter;
+use std::path::Path;
+use structopt::StructOpt;
+
+use integral_geometry::{Point, Rect, Size};
+use landgen::outline_template::OutlineTemplate;
+use landgen::template_based::TemplatedLandGenerator;
+use landgen::LandGenerationParameters;
+use landgen::LandGenerator;
+use lfprng::LaggedFibonacciPRNG;
+
+#[derive(StructOpt, Debug)]
+#[structopt(name = "basic")]
+struct Opt {
+    #[structopt(short = "s", long = "seed", default_value = "TEST_SEED")]
+    seed: String,
+    #[structopt(short = "d", long = "dump-before-distort")]
+    dump_before_distort: bool,
+    #[structopt(short = "b", long = "dump-before-bezierize")]
+    dump_before_bezierize: bool,
+}
+
+fn template() -> OutlineTemplate {
+    let mut template = OutlineTemplate::new(Size::new(4096, 2048));
+    template.islands = vec![vec![
+        Rect::new(100, 2050, 1, 1),
+        Rect::new(100, 500, 400, 1200),
+        Rect::new(3600, 500, 400, 1200),
+        Rect::new(3900, 2050, 1, 1),
+    ]];
+    template.fill_points = vec![Point::new(2047, 2047)];
+
+    template
+}
+
+fn dump(
+    seed: &[u8],
+    skip_distort: bool,
+    skip_bezier: bool,
+    file_name: &Path,
+) -> std::io::Result<()> {
+    let params = LandGenerationParameters::new(0 as u8, 255, 100, skip_distort, skip_bezier);
+    let landgen = TemplatedLandGenerator::new(template());
+    let mut prng = LaggedFibonacciPRNG::new(seed);
+    let land = landgen.generate_land(&params, &mut prng);
+
+    let file = File::create(file_name)?;
+    let ref mut w = BufWriter::new(file);
+
+    let mut encoder = png::Encoder::new(w, land.width() as u32, land.height() as u32); // Width is 2 pixels and height is 1.
+    encoder
+        .set(png::ColorType::Grayscale)
+        .set(png::BitDepth::Eight);
+    let mut writer = encoder.write_header()?;
+
+    writer.write_image_data(land.raw_pixels()).unwrap();
+
+    Ok(())
+}
+
+fn main() {
+    let opt = Opt::from_args();
+    println!("{:?}", opt);
+
+    if opt.dump_before_distort {
+        dump(
+            opt.seed.as_str().as_bytes(),
+            true,
+            true,
+            Path::new("out.before_distort.png"),
+        )
+        .unwrap();
+    }
+    if opt.dump_before_bezierize {
+        dump(
+            opt.seed.as_str().as_bytes(),
+            false,
+            true,
+            Path::new("out.before_bezier.png"),
+        )
+        .unwrap();
+    }
+    dump(
+        opt.seed.as_str().as_bytes(),
+        false,
+        true,
+        Path::new("out.full.png"),
+    )
+    .unwrap();
+}