@deck.gl/layers/typed/solid-polygon-layer/polygon.d.ts

deck.gl core layers

import type { Position } from '@deck.gl/core/typed';
import type { NumericArray } from '@math.gl/core';
/** Simple Polygon: an array of points */
export declare type NestedSimplePolygonGeometry = Position[];
/** Complex Polygon: an array of array of points (array of rings)
 * with the first ring representing the outer hull and other rings representing holes
 */
export declare type NestedComplexPolygonGeometry = Position[][];
/** An array of numbers (flattened "simple polygon") */
export declare type FlatSimplePolygonGeometry = NumericArray;
/** Flattened "complex polygon" */
export declare type FlatComplexPolygonGeometry = {
    positions: NumericArray;
    holeIndices: NumericArray;
};
export declare type PolygonGeometry = NestedSimplePolygonGeometry | NestedComplexPolygonGeometry | FlatSimplePolygonGeometry | FlatComplexPolygonGeometry;
export declare type NormalizedPolygonGeometry = FlatSimplePolygonGeometry | FlatComplexPolygonGeometry;
/** Get the positions from a normalized polygon */
export declare function getPositions(polygon: NormalizedPolygonGeometry): NumericArray;
/** Get the hole indices from a normalized polygon */
export declare function getHoleIndices(polygon: NormalizedPolygonGeometry): NumericArray | null;
/**
 * Normalize any polygon representation into the "complex flat" format
 */
export declare function normalize(polygon: PolygonGeometry, positionSize: number): NormalizedPolygonGeometry;
export declare function getSurfaceIndices(polygon: NormalizedPolygonGeometry, positionSize: number, preproject?: (xy: number[]) => number[], full3d?: boolean): number[];
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