Crate ndslive_math 

ndslive-math — coordinate math, packed tile IDs, and Morton (Z-order) codes for NDS.Live geographic tiling.

This crate is a faithful Rust port of the Python reference implementation (ndslive.math). It provides:

• Wgs84 — a WGS84 lon/lat/alt point with NDS coordinate conversion, distance and bearing helpers.
• MortonCode — a standalone Z-order encoder/decoder.
• PackedTileId — an NDS.Live Packed Tile ID with geometry accessors and neighbour traversal.
• NdsBoundingBox — a rectangle in NDS coordinate space.
• get_tile_ids_for_bounding_box / bounding_box_from_tile_ids — bulk tile enumeration helpers.

Example

use ndslive_math::{Wgs84, MortonCode, PackedTileId};

// WGS84 -> NDS coordinates (uses floor, per the NDS recommendation).
let point = Wgs84::new(11.585, 48.137); // Munich
let (nds_x, nds_y) = point.to_nds_coordinates();

// Find the level-13 tile containing the point.
let morton = MortonCode::from_nds_coordinates(nds_x, nds_y);
let tile = PackedTileId::from_morton_and_level(morton, 13).unwrap();

let sw = tile.south_west_corner();
let east = tile.east_neighbour();

Re-exports

pub use bounding_box::NdsBoundingBox;

pub use morton::MortonCode;

pub use polygon::Orientation;

pub use polygon::Polygon;

pub use polygon::PolygonType;

pub use polygon_triangulation::PolygonTriangulation;

pub use tileid::bounding_box_from_tile_ids;

pub use tileid::get_tile_ids_for_bounding_box;

pub use tileid::PackedTileId;

pub use tileid::TileIdError;

pub use vec2::Vec2;

pub use wgs84::Wgs84;

pub use wgs84::EARTH_RADIUS_IN_METERS;

pub use wgs84::LAT_MAX;

pub use wgs84::LAT_MIN;

pub use wgs84::LAT_NDS_DELTA;

pub use wgs84::LAT_NDS_DELTA_POW2;

pub use wgs84::LON_MAX;

pub use wgs84::LON_MIN;

pub use wgs84::LON_NDS_DELTA;

pub use wgs84::LON_NDS_DELTA_POW2;

pub use wgs84::METERS_PER_DEGREE;

pub use wgs84_aabb::Wgs84Aabb;

pub use wgs84_polygon::Wgs84Polygon;

Modules

bounding_box

Axis-aligned bounding boxes in NDS coordinate space.

morton

Morton (Z-order) encoding for 2D NDS coordinates.

polygon

Generic polygon container with orientation, mirroring the C++ Polygon.

polygon_triangulation

Ear-clipping polygon triangulation.

tileid

NDS.Live Packed Tile IDs and bounding-box tile enumeration.

vec2

A plain 2D vector that is not WGS84-normalized.

wgs84

WGS84 coordinate point with NDS coordinate conversion and geodesic helpers.

wgs84_aabb

WGS84 axis-aligned bounding box.

wgs84_polygon

WGS84 polygon with bounding box, median, and SAT collision.