mirror of
https://github.com/gpxstudio/gpx.studio.git
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vcoppeandvcoppe
8fe7d8d64d
* wasm first steps * parsing start * parsing continued * progress * progress * progress * progress * progress * progress * progress * progress * fixes * reorganize * change type * fix * progress * refactoring * progress * progress * progress * keep style info * progress * progress * remove (copy) in name * progress * merge methods into 1 * splice * progress * progress * progress * cleaning * progress * progress * progress * visibility * progress * progress * progress * progress * progress * fixes * progress * fix markers * fix * progress * progress * progress * progress * progress * progress * small fix * use engine info * fix popups * small fix * progress * progress * progress * clean tool * handle self closing elements * reduce data exchanges across boundary * copy on wasm side to avoid any data corruption * speed fix * routing * refactoring * reverse * reverse * crop * split * merge * progress * time tool * fix bounds for waypoints * reduce * fix reactivity * handle corrupt time data * export * progress * remove gpx js package * remove todo * update readme * cleaning * progress * fix link fields * remove unused fields * refactoring and tests * import and export of routes, ref #192 * per-chunk categories storage * cross-tab sync * outdated state * refactoring * reorder methods * refactoring * fix * improve flow * renaming * progress * progress * fix * progress * per file history * keep original flag * use history variant * fix * progress * file explorer * progress * fix * sticky folders * improved sticky folders * fix sortable * fix sortable * fix * fix tab size * no file delete on desktop * fix routing on other file * fix sorting * remember language * open links in browser * commit missing changes * avoid selecting on resize * clarify filename * explorer actions * fix folder styling * drop anywhere in folder * cleaning * fixes * remove focus-ring * full screen * small fix * consistent highlight color * improved preview * performance improvements * sparser data transfers * sparser data transfers * show popup once data is loaded * fix routing control size * fix * sparse desktop build * remove custom ign styles * use new endpoint for openhikingmap * strip native menu * reorder context menu items * route full support * route - track conversion * create route file action * route export, filter out anchors at high zoom level * clarify name handling * move hide & center to view * routes continued * update docs * fix power format, closes #378 * lint fixes * fix display of additional data with gaps, closes #361 * fix linting issues * fix import modules * fix multidrag * change base to resolve * fix type errors * fix layer typings * fix last type error * each keys * improve typings * deploy to cloudflare --------- Co-authored-by: vcoppe <vcoppe@hexaly.com>
32 lines
1.5 KiB
TypeScript
32 lines
1.5 KiB
TypeScript
import assert from 'node:assert/strict';
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import { describe, it } from 'node:test';
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import { distance } from '$lib/geo/coordinates';
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describe('distance', () => {
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it('is zero between a point and itself', () => {
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assert.equal(distance({ lng: 4, lat: 50 }, { lng: 4, lat: 50 }), 0);
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});
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it('measures a degree of latitude and longitude', () => {
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const meridian = distance({ lng: 0, lat: 0 }, { lng: 0, lat: 1 });
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assert.ok(Math.abs(meridian - 111195) < 10, `${meridian}`);
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const equator = distance({ lng: 0, lat: 0 }, { lng: 1, lat: 0 });
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assert.ok(Math.abs(equator - 111195) < 10, `${equator}`);
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// degrees of longitude get shorter away from the equator
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const north = distance({ lng: 0, lat: 60 }, { lng: 1, lat: 60 });
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assert.ok(Math.abs(north - 111195 / 2) < 100, `${north}`);
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});
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it('is symmetric and handles the antipodes and the antimeridian', () => {
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const a = { lng: 4.35, lat: 50.85 };
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const b = { lng: -74, lat: 40.7 };
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assert.equal(distance(a, b), distance(b, a));
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assert.ok(Math.abs(distance(a, b) - 5900_000) < 100_000);
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const half = Math.PI * 6371008.8;
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assert.ok(Math.abs(distance({ lng: 0, lat: 0 }, { lng: 180, lat: 0 }) - half) < 1);
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assert.ok(Math.abs(distance({ lng: 0, lat: 90 }, { lng: 0, lat: -90 }) - half) < 1);
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const across = distance({ lng: 179.5, lat: 0 }, { lng: -179.5, lat: 0 });
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assert.ok(Math.abs(across - 111195) < 10, `${across}`);
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});
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});
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