@sk-global/hazard-risk/dist/raster.d.ts

A TypeScript library for analyzing hazard risks and calculating risk assessments

import type { TileCoord, PixelCoord, HazardConfig } from './types';
import { TileCache } from './cache';
import type { RasterReader } from './raster-reader';
export declare function fetchTile(url: string, cache?: TileCache, coords?: {
    z: number;
    x: number;
    y: number;
}): Promise<Buffer>;
export declare function createTileProvider(urlTemplate: string, cache?: TileCache): (z: number, x: number, y: number) => Promise<Buffer>;
export declare class NodeRasterReader implements RasterReader {
    private tileProvider;
    constructor(tileProvider: (z: number, x: number, y: number) => Promise<Buffer>);
    getPixelRGB(tile: TileCoord, pixel: PixelCoord): Promise<{
        r: number;
        g: number;
        b: number;
    }>;
    getPixelRiskInfo(tile: TileCoord, pixel: PixelCoord, hazardConfig: HazardConfig): Promise<{
        riskLevel: number;
        isWater: boolean;
    }>;
}
export declare class BrowserRasterReader implements RasterReader {
    private hazardTileProvider;
    private baseTileProvider?;
    private level0Color;
    constructor(hazardTileProvider: (z: number, x: number, y: number) => Promise<ImageBitmap>, baseTileProvider?: ((z: number, x: number, y: number) => Promise<ImageBitmap>) | undefined, level0Color?: string);
    getPixelRGB(tile: TileCoord, pixel: PixelCoord): Promise<{
        r: number;
        g: number;
        b: number;
    }>;
    getPixelRiskInfo(tile: TileCoord, pixel: PixelCoord, hazardConfig: HazardConfig): Promise<{
        riskLevel: number;
        isWater: boolean;
    }>;
}
export declare function createBrowserTileProvider(urlTemplate: string): (z: number, x: number, y: number) => Promise<ImageBitmap>;