Skip to the content

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 · Markers on the globe

orthoViewfunction

A view for places from a picture drawn straight on, as <chikyu-earth-realistic> and the line globe are: the point of the Earth in the middle, the disc's radius and centre and the box's size.

Import it

import { orthoView } from "@johnmorrisdotca/chikyu-earth/markers";

Definition

function orthoView(pose: Pose & { width: number; height: number; }): PlaceView

Parameters

NameTypeDescription
posePose & { width: number; height: number; }

The view and the box.

Returns

PlaceView

A view layoutPlaces can lay places on.

Examples

import { orthoView } from "@johnmorrisdotca/chikyu-earth/markers";

const out = { x: 0, y: 0, upX: 0, upY: 0, facing: 0 };
orthoView({ lon: 0, lat: 0, radius: 200, cx: 210, cy: 210, width: 420, height: 420 }).at(90, 0, out);
console.log(Math.round(out.x), out.facing < 0.01);
410 true

What it prints (run when this page was built)

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