vgridjs/dist/qtm.d.ts

Vgrid DGGS JS

/**
 * Quarternary Triangular Mesh (QTM) implementation in TypeScript
 * Original Python implementation by Paulo Raposo and Randall Brown
 * Based on Geoffrey Dutton's conception
 */
interface Vertex {
    lat: number;
    lon: number;
}
interface Facet {
    vertices: Vertex[];
    orientation?: 'u' | 'd';
    isNorth?: boolean;
}
declare function qtmIdToFacet(qtmId: string): Facet;
declare function latlonToQtmId(lat: number, lon: number, resolution: number): string;
declare function qtmIdToLatlon(qtmId: string): Vertex;
declare function qtmParent(qtmId: string): string;
declare function qtmChildren(qtmId: string, resolution?: number): string[];

export { latlonToQtmId, qtmChildren, qtmIdToFacet, qtmIdToLatlon, qtmParent };