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