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Chikyu Earth地球

A line-drawn globe of the world's countries that turns at the Earth's own rate, with an optional realistic Earth from space and markers for any place.

Chikyu is the Japanese word 地球 for the Earth. About the name

Contents

Reference · The realistic Earth's pure parts

GridLinestype

The grid's lines, ready for one batch of line segments: the special lines first, then the lines every 30 degrees, then the ones every 15 degrees in between, so that the first coarse points are the grid of a small Earth and all points the grid of a large one.

Import it

import type { GridLines } from "@johnmorrisdotca/chikyu-earth/realistic";

Definition

interface GridLines {
    positions: Float32Array;
    colours: Uint8Array;
    coarse: number;
    points: number;
}

Members

NameTypeDescription
positionsFloat32Array<ArrayBufferLike>

x, y, z of each point, two points to a segment.

coloursUint8Array<ArrayBufferLike>

r, g, b of each point (0 to 255).

coarsenumber

How many points the special lines and the 30-degree lines take.

pointsnumber

How many points there are in all.

Examples

import { gridLines, type GridLines } from "@johnmorrisdotca/chikyu-earth/realistic";

const grid: GridLines = gridLines();
console.log(grid.coarse < grid.points);
true

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/chikyu-earth 0.51.1.