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some bing imagery docs comments

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This commit is contained in:
Milos Brzakovic
2021-07-07 20:56:04 +02:00
parent 81ce43e055
commit 887938c406
1 changed files with 11 additions and 0 deletions
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11
modules/renderer/background_source.js
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@@ -267,6 +267,7 @@ export function rendererBackgroundSource(data) {
rendererBackgroundSource.Bing = function(data, dispatch) {
// https://docs.microsoft.com/en-us/bingmaps/rest-services/imagery/get-imagery-metadata
// https://docs.microsoft.com/en-us/bingmaps/rest-services/directly-accessing-the-bing-maps-tiles
//fallback url template
data.template = 'https://ecn.t{switch:0,1,2,3}.tiles.virtualearth.net/tiles/a{u}.jpeg?g=10555&n=z';
@@ -274,6 +275,13 @@ rendererBackgroundSource.Bing = function(data, dispatch) {
var bing = rendererBackgroundSource(data);
var key = 'Arzdiw4nlOJzRwOz__qailc8NiR31Tt51dN2D7cm57NrnceZnCpgOkmJhNpGoppU'; // P2, JOSM, etc
//var key = 'Ak5oTE46TUbjRp08OFVcGpkARErDobfpuyNKa-W2mQ8wbt1K1KL8p1bIRwWwcF-Q'; // iD
/*
missing tile image strictness param (n=)
• n=f -> (Fail) returns a 404
• n=z -> (Empty) returns a 200 with 0 bytes (no content)
• n=t -> (Transparant) returns a 200 with a transparent (png) tile
*/
const strictParam = 'n';
var url = 'https://dev.virtualearth.net/REST/v1/Imagery/Metadata/Aerial?include=ImageryProviders&key=' + key;
@@ -284,6 +292,8 @@ rendererBackgroundSource.Bing = function(data, dispatch) {
d3_json(url)
.then(function(json) {
let imageryResource = json.resourceSets[0].resources[0];
//retrieve and prepare up to date imagery template
let template = imageryResource.imageUrl; //http://ecn.{subdomain}.tiles.virtualearth.net/tiles/a{quadkey}.jpeg?g=10339
let subDomains = imageryResource.imageUrlSubdomains; //["t0, t1, t2, t3"]
let subDomainNumbers = subDomains.map((subDomain) => {
@@ -295,6 +305,7 @@ rendererBackgroundSource.Bing = function(data, dispatch) {
template += `&${strictParam}=z`;
}
bing.template(template);
providers = imageryResource.imageryProviders.map(function(provider) {
return {
attribution: provider.attribution,