@loaders.gl/schema/dist/types/flat-geometries.d.ts

Table format APIs for JSON, CSV, etc...

import type { Feature, Geometry, Point, LineString, Polygon } from 'geojson';
/** Flat geometry type */
export type FlatGeometryType = 'Point' | 'LineString' | 'Polygon';
type RemoveCoordinatesField<Type> = {
    [Property in keyof Type as Exclude<Property, 'coordinates'>]: Type[Property];
};
/** Generic flat geometry data storage type */
export type FlatIndexedGeometry = {
    data: number[];
    indices: number[];
};
/** GeoJSON (Multi)Point geometry with coordinate data flattened into `data` array and indexed by `indices` */
export type FlatPoint = RemoveCoordinatesField<Point> & FlatIndexedGeometry;
/** GeoJSON (Multi)LineString geometry with coordinate data flattened into `data` array and indexed by `indices` */
export type FlatLineString = RemoveCoordinatesField<LineString> & FlatIndexedGeometry;
/** GeoJSON (Multi)Polygon geometry with coordinate data flattened into `data` array and indexed by 2D `indices` */
export type FlatPolygon = RemoveCoordinatesField<Polygon> & {
    data: number[];
    indices: number[][];
    areas: number[][];
};
/** GeoJSON geometry with coordinate data flattened into `data` array and indexed by 2D `indices` */
export type FlatGeometry = FlatPoint | FlatLineString | FlatPolygon;
type FlattenGeometry<Type> = {
    [Property in keyof Type]: Type[Property] extends Geometry ? FlatGeometry : Type[Property];
};
/** GeoJSON Feature with Geometry replaced by FlatGeometry */
export type FlatFeature = FlattenGeometry<Feature>;
export {};
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