Files
iD/data/update_imagery.js

114 lines
3.3 KiB
JavaScript

var fs = require('fs');
var sources = require('editor-layer-index/imagery.json');
var imagery = [];
// ignore imagery more than 20 years old..
var cutoffDate = new Date();
cutoffDate.setFullYear(cutoffDate.getFullYear() - 20);
var blacklist = {
'hike_n_bike': true, // 'Hike & Bike'
'osm-mapnik-german_style': true, // 'OpenStreetMap (German Style)'
'osm-mapnik-black_and_white': true, // 'OpenStreetMap (Standard Black & White)'
'skobbler': true, // 'Skobbler'
'openpt_map': true, // 'OpenPT Map (overlay)'
'tf-cycle': true, // 'Thunderforest OpenCycleMap'
'qa_no_address': true, // 'QA No Address'
'OSM-US-TIGER-Roads_Overlay-2012': true,
'Waymarked_Trails-Cycling': true,
'Waymarked_Trails-Hiking': true,
'Waymarked_Trails-MTB': true,
'Waymarked_Trails-Skating': true,
'Waymarked_Trails-Winter_Sports': true,
'OSM_Inspector-Addresses': true,
'OSM_Inspector-Geometry': true,
'OSM_Inspector-Highways': true,
'OSM_Inspector-Multipolygon': true,
'OSM_Inspector-Places': true,
'OSM_Inspector-Routing': true,
'OSM_Inspector-Tagging': true
};
var whitelist = [
// Add custom sources here if needed.
];
var descriptions = {
'Bing': 'Satellite and aerial imagery.',
'Mapbox': 'Satellite and aerial imagery.',
'MAPNIK': 'The default OpenStreetMap layer.'
};
sources.concat(whitelist).forEach(function(source) {
if (source.type !== 'tms' && source.type !== 'bing') return;
if (source.id in blacklist) return;
if (source.end_date) {
var endDate = new Date(source.end_date),
isValid = !isNaN(endDate.getTime());
if (isValid && endDate <= cutoffDate) return;
}
var im = {
id: source.id,
name: source.name,
type: source.type,
template: source.url
};
var description = source.description || descriptions[im.id];
if (description) im.description = description;
var extent = source.extent || {};
if (extent.min_zoom || extent.max_zoom) {
im.scaleExtent = [
extent.min_zoom || 0,
extent.max_zoom || 20
];
}
if (extent.polygon) {
im.polygon = extent.polygon;
} else if (extent.bbox) {
im.polygon = [[
[extent.bbox.min_lon, extent.bbox.min_lat],
[extent.bbox.min_lon, extent.bbox.max_lat],
[extent.bbox.max_lon, extent.bbox.max_lat],
[extent.bbox.max_lon, extent.bbox.min_lat],
[extent.bbox.min_lon, extent.bbox.min_lat]
]];
}
if (source.id === 'mapbox_locator_overlay') {
im.overzoom = false;
}
var attribution = source.attribution || {};
if (attribution.url) {
im.terms_url = attribution.url;
}
if (attribution.text) {
im.terms_text = attribution.text;
}
if (attribution.html) {
im.terms_html = attribution.html;
}
['default', 'overlay', 'best'].forEach(function(a) {
if (source[a]) {
im[a] = source[a];
}
});
imagery.push(im);
});
imagery.sort(function(a, b) {
return a.name.localeCompare(b.name);
});
fs.writeFileSync('data/imagery.json', JSON.stringify({ dataImagery: imagery }, null, 4));