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test 2

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This commit is contained in:
acalcutt 2024-12-21 14:51:25 -05:00
parent c124b5ee1f
commit 77c4e31bc8
1 changed files with 27 additions and 18 deletions
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45
src/contour.js
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@ -8,12 +8,12 @@ import { getPMtilesTile } from './pmtiles_adapter.js';
export class LocalDemManager {
/**
* Creates a new LocalDemManager instance.
* @param {string} encoding - The encoding type for the DEM data.
* @param {number} maxzoom - The maximum zoom level for the DEM data.
* @param {object} source - The source object that contains either pmtiles or mbtiles.
* @param encoding - The encoding type for the DEM data.
* @param maxzoom - The maximum zoom level for the DEM data.
* @param source - The source object that contains either pmtiles or mbtiles.
* @param {'pmtiles' | 'mbtiles'} sourceType - The type of data source
* @param {Function} [extractZXYFromUrlTrimFunction] - The function to extract the zxy from the url.
* @param {Function} [GetTileFunction] - the function that returns a tile from the pmtiles object.
* @param [extractZXYFromUrlTrimFunction] - The function to extract the zxy from the url.
* @param [GetTileFunction] - the function that returns a tile from the pmtiles object.
*/
constructor(
encoding,
@ -27,9 +27,8 @@ export class LocalDemManager {
this.maxzoom = maxzoom;
this.source = source;
this.sourceType = sourceType;
this.getTile = GetTileFunction || this.GetTile.bind(this);
this.extractZXYFromUrlTrim =
extractZXYFromUrlTrimFunction || this.extractZXYFromUrlTrim.bind(this);
this._getTile = GetTileFunction;
this._extractZXYFromUrlTrim = extractZXYFromUrlTrimFunction;
this.manager = new mlcontour.LocalDemManager({
demUrlPattern: '/{z}/{x}/{y}',
@ -42,12 +41,22 @@ export class LocalDemManager {
});
}
get getTileFunction() {
return this._getTile ? this._getTile.bind(this) : this.GetTile.bind(this);
}
get extractZXYFromUrlTrim() {
return this._extractZXYFromUrlTrim
? this._extractZXYFromUrlTrim.bind(this)
: this._extractZXYFromUrlTrimFunction.bind(this);
}
/**
* Processes image data from a blob.
* @param {Blob} blob - The image data as a Blob.
* @param {AbortController} abortController - An AbortController to cancel the image processing.
* @param blob - The image data as a Blob.
* @param abortController - An AbortController to cancel the image processing.
* @returns {Promise<any>} - A Promise that resolves with the processed image data, or null if aborted.
* @throws {Error} If an error occurs during image processing.
* @throws If an error occurs during image processing.
*/
async getImageData(blob, abortController) {
try {
@ -81,10 +90,10 @@ export class LocalDemManager {
/**
* Fetches a tile using the provided url and abortController
* @param {string} url - The url that should be used to fetch the tile.
* @param {AbortController} abortController - An AbortController to cancel the request.
* @param url - The url that should be used to fetch the tile.
* @param abortController - An AbortController to cancel the request.
* @returns {Promise<{data: Blob, expires: undefined, cacheControl: undefined}>} A promise that resolves with the response data.
* @throws {Error} If an error occurs fetching or processing the tile.
* @throws If an error occurs fetching or processing the tile.
*/
async GetTile(url, abortController) {
console.log(url);
@ -100,7 +109,7 @@ export class LocalDemManager {
let data;
if (this.sourceType === 'pmtiles') {
let zxyTile;
if (this.getPMtilesTile) {
if (getPMtilesTile) {
zxyTile = await getPMtilesTile(
this.source,
$zxy.z,
@ -160,10 +169,10 @@ export class LocalDemManager {
/**
* Default implementation for extracting z,x,y from a url
* @param {string} url - The url to extract from
* @param url - The url to extract from
* @returns {{z: number, x: number, y:number} | null} Returns the z,x,y of the url, or null if can't extract
*/
extractZXYFromUrlTrim(url) {
_extractZXYFromUrlTrimFunction(url) {
// 1. Find the index of the last `/`
const lastSlashIndex = url.lastIndexOf('/');
if (lastSlashIndex === -1) {
@ -197,7 +206,7 @@ export class LocalDemManager {
/**
* Get the underlying maplibre-contour LocalDemManager
* @returns {any} the underlying maplibre-contour LocalDemManager
* @returns the underlying maplibre-contour LocalDemManager
*/
getManager() {
return this.manager;