open-vector-tile/dist/open/gridLayer.d.ts

This library reads/writes Open Vector Tiles

import { PbfReader } from 'pbf-ts';
import type { Extents } from './index.js';
/** Grid object to read from */
export declare class GridData {
    #private;
    name: string;
    private dataPos;
    extent: Extents;
    size: number;
    min: number;
    max: number;
    /**
     * @param pbf - the pbf protocol we are reading from
     * @param end - the position to stop at
     */
    constructor(pbf: PbfReader, end: number);
    /**
     * Get the raw gridded data. Reads much like a raw image.
     * @returns - the decomposed gridded data
     */
    data(): number[];
}
/**
 * Gridded data input. It is assumed data is the actual grid data of each point in the tile
 */
export interface GridInput {
    /** The name of the grid data */
    name: string;
    /** The size of the square tile. The length and width MUST be the same size */
    size: number;
    /**
     * The actual grid data assumed to be floating point (32-bit) precise.
     * It is assumed to find data you can use: `index = y * size + x`
     */
    data: number[];
    /** The extent defines the 0->extent range to remap the data to  */
    extent: Extents;
}
/**
 * @param input - the data to encode
 * @returns - the encoded data
 */
export declare function writeGridData(input: GridInput): Uint8Array;
/**
 * @param r - red
 * @param g - green
 * @param b - blue
 * @returns - elevation
 */
export declare function convertTerrariumElevationData(r: number, g: number, b: number): number;
/**
 * @param r - red
 * @param g - green
 * @param b - blue
 * @returns - elevation
 */
export declare function convertMapboxElevationData(r: number, g: number, b: number): number;
//# sourceMappingURL=gridLayer.d.ts.map