28:null 29:["$","title",null,{"children":"My Map | easz | Observable"}] 2e:T1bef,create_map = (container, options) => { // update container size on resize/fullscreen event let container_resize = () => { // map size is defined by its parent element. let width = container.parentElement.offsetWidth; let height = (document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement) ? container.parentElement.offsetHeight : (width / 1.6); container.style.width = options.width || width + 'px'; container.style.height = options.height || height + 'px'; }; window.onresize = () => { container_resize(); }; container_resize(); // supported layer types let layer_types = { WMTS: L.tileLayer, WMS: L.tileLayer.wms, GEOJSON: L.geoJSON, VECTOR: L.vectorGrid.slicer, PROTOBUF: L.vectorGrid.protobuf }; function create_layer(layer, default_options) { // create layer instance var l = layer_types[layer.type]( layer.url, { ...default_options, ...layer.options } ); // add event listener for (const hndl of (layer.on || [])) { l.on(hndl.event, hndl.handler); } return l; }; function create_layers(layers, default_options) { var result = {}; layers.forEach(layer => { if (Array.isArray(layer)) { var layer_name = undefined; var subs = layer.map(l => { layer_name = layer_name || l.name; return create_layer(l, default_options); }); result[layer_name] = L.layerGroup(subs); } else { result[layer.name] = create_layer(layer, default_options); } }); return result; } // map content let map = L.map(container, { ...options.map }); // base map layers let bases = create_layers(options.layer.base); // overlay map layers let overlays = create_layers(options.layer.overlay, { opacity: 0.45, rendererFactory: L.canvas.tile }); // TODO: use generic solution (e.g. vectorGrid)?? // overlay: user data layers options.layer.extra.forEach(def_layer => { // create a top-level overlay layer for each data set let user_layer_group = L.featureGroup.showHideOnZoom(); overlays[def_layer.name] = user_layer_group; // data of the layer const data = def_layer.filter ? def_layer.data.filter(def_layer.filter) : def_layer.data; const def_sub_layers = def_layer.subLayers ? def_layer.subLayers : []; // sub-layer definition // split data to represent each sub-layer const data_sub_layers = data.reduce( (data_groups, elm) => { // determine if elm belong to a sub-layer with its predicate const matched = def_sub_layers.some((def_sub_layer, sub_layer_idx) => { if (def_sub_layer.predicate(elm)) { data_groups[sub_layer_idx].push(elm); return true; } return false; }); // collect rest elemnts in a default sub-layer if (!matched) { data_groups[data_groups.length - 1].push(elm); } return data_groups; }, Array(def_sub_layers.length + 1) /* init data splitting result */ .fill() .map(x => []) ); // transform data from each sub-layer data_sub_layers.forEach((data_sub_layer, sub_layer_idx) => { const def_sub_layer = def_sub_layers[sub_layer_idx]; // create a sub-layer group with possible options let options = L.Util.setOptions({}, def_layer.options); if (def_sub_layer) options = L.Util.setOptions(options, def_sub_layer.options); let sub_layer_group = L.layerGroup([], options); // Array.map function for the sub-layer const map_sub_layer = def_sub_layer ? def_sub_layer.map : def_layer.map; data_sub_layer.forEach(elm => { // transform data to layers and add them to the sub-layer group sub_layer_group.addLayer(map_sub_layer(elm)); }); // add to the sub-layer group to the top-level group sub_layer_group.addTo(user_layer_group); }); }); // overlay user data layers // layer control L.control.layers(bases, overlays).addTo(map); // XXX: QnD UI which can be imporved.... // use `leaflet-geoman` only to add markers // use `leaflet-popup-modifier` to edit popup content and remove markers. // search control /* if (options.control.search) { let search_control = new L.Control.Search({ url: 'https://nominatim.openstreetmap.org/search?format=json&q={s}', jsonpParam: 'json_callback', propertyName: 'display_name', propertyLoc: ['lat', 'lon'], marker: L.circleMarker([0, 0], { radius: 30 }).bindPopup( L.popup({ removable: true, nametag: 'search result' }) ), autoCollapse: false, // set false, otherwise the search input text will not be availble to use firstTipSubmit: true, minLength: 2 }).on("search:locationfound", function(e) { e.target.options.marker.getPopup().setContent(e.text); e.target.collapse(); // instead of autoCollapse }); map.addControl(search_control); } */ // editing layer /* if (options.control.edit) { // leaflet-geoman let edit_layer = L.layerGroup().addTo(map); map.pm.setGlobalOptions({ layerGroup: edit_layer }); map.pm.addControls({ position: 'topleft', cutPolygon: false, dragMode: false, drawCircle: false, drawRectangle: false, drawPolygon: false, drawPolyline: false, drawCircleMarker: false, editMode: false, removalMode: false }); // leaflet-geoman creates markers map.on('pm:create', e => { e.layer.bindPopup( L.popup({ removable: true, editable: true }).setContent('') ); mutable map_edit_layer = edit_layer; // expose edited layer }); // leaflet-popup-modifier edits and removes markers document.addEventListener("saveMarker", e => { mutable map_edit_layer = edit_layer; // expose edited layer }); document.addEventListener("removeMarker", e => { e.detail.marker.removeFrom(edit_layer); mutable map_edit_layer = edit_layer; // expose edited layer }); } */ // scale if (options.control.scale) L.control.scale({ maxWidth: 250 }).addTo(map); // distance ruler /* if (options.control.ruler) L.control.ruler({ position: "topleft" }).addTo(map); */ // show enabled base layers or the first base layer by default var all_base_layers = options.layer.base.flat(); var any_enable_base = all_base_layers.filter(layer => layer.enable); if (any_enable_base.length) any_enable_base.forEach(l => { map.addLayer(bases[l.name]); }); else if (all_base_layers.length) map.addLayer(bases[all_base_layers[0].name]); // show enabled overlay layers options.layer.overlay.forEach(layer => { if (layer.enable) map.addLayer(overlays[layer.name]); }); // show enabled extra overlay layers options.layer.extra.forEach(layer => { if (layer.enable) map.addLayer(overlays[layer.name]); }); return map; }2f:T999,map_base_layers = [ { type: 'WMTS', name: 'Topo', url: 'https://{s}.tile.opentopomap.org/{z}/{x}/{y}.png', options: { attribution: 'Map data: © OpenStreetMap contributors, SRTM | Map style: © OpenTopoMap (CC-BY-SA)', maxNativeZoom: 17, opacity: 0.75 } }, { type: 'WMTS', name: 'Skitour', url: 'https://cdn.schneidergeo.com/wintertiles/{z}/{x}/{y}.png', options: { attribution: 'Map tiles © Schneider Geo, Map data © OpenStreetMap contributors', maxNativeZoom: 15 } }, { type: 'WMTS', name: 'Cycling', url: 'https://{s}.tile-cyclosm.openstreetmap.fr/cyclosm/{z}/{x}/{y}.png', options: { attribution: 'CyclOSM, © OpenStreetMap contributors', opacity: 0.75 } }, { type: 'WMTS', name: 'Public Transport' /* API key required */, url: 'https://{s}.tile.thunderforest.com/transport/{z}/{x}/{y}.png?apikey=' + my_map_apiKey_thunderforest, options: { attribution: '© Thunderforest, © OpenStreetMap contributors' } }, { type: 'WMTS', name: 'Satellite', url: 'https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', options: { attribution: 'Tiles © Esri — Source: Esri, i-cubed, USDA, USGS, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community' } }, { type: 'WMTS', name: 'Lite', url: 'https://{s}.piano.tiles.quaidorsay.fr/fr/{z}/{x}/{y}.png', options: { attribution: 'Tiles PianoFr | © OpenStreetMap contributors' } } ]30:T653,map_overlay_layers = [ { type: 'WMTS', name: 'Slope (Low Res.)', url: 'http://wmts.openslopemap.org/wmts/OSloOVERLAY_LR_Alps_16/{z}/{x}/{y}.png', options: { attribution: '© OpenSlopeMap, CC-BY-SA', maxNativeZoom: 14 } }, { type: 'WMTS', name: 'Slope (High Res.)', url: 'http://wmts.openslopemap.org/wmts/OSloOVERLAY_UHR_AlpsEast_16/{z}/{x}/{y}.png', options: { attribution: '© OpenSlopeMap, CC-BY-SA', maxNativeZoom: 10 } }, { type: 'WMTS', name: 'Hiking Trails', url: 'https://tile.waymarkedtrails.org/hiking/{z}/{x}/{y}.png', options: { attribution: '© waymarkedtrails.org, CC BY-SA 3.0 DE', opacity: 0.65 } }, { type: 'WMTS', name: 'Cycling Trails', url: 'https://tile.waymarkedtrails.org/cycling/{z}/{x}/{y}.png', options: { attribution: '© waymarkedtrails.org, CC BY-SA 3.0 DE', opacity: 0.65 } } ]31:T4e8,map_data_layers = [ { name: 'Alpine Huts' /* layer name */, data: data_alps_alpine_huts.elements /* data array */, filter: my_fn_filter_alpine_huts /* Array.filter to filter data */, map: my_fn_map_alpine_huts /* default Array.map applied on filtered data */, options: { from_zoom: 11 } /* default options for L.Layer */, /* sub layers definition */ subLayers: [ { predicate: my_fn_pred_alpine_huts_from_club /* predicate to select filtered data */, map: my_fn_map_alpine_huts_from_club /* optional Array.map to override default one */, options: { from_zoom: 7 } /* options to override default ones */ }, { predicate: my_fn_pred_alpine_huts_has_operator, map: my_fn_map_alpine_huts_has_operator, options: { from_zoom: 10 } } ] }, { name: 'Alpine Hiking', data: my_data_alpine_hiking.features, map: my_fn_map_alpine_hiking, options: { from_zoom: 6 } }, { name: 'Climbing', data: my_data_climbing_bouldering.features, map: my_fn_map_climbing_bouldering, options: { from_zoom: 6 } }, { name: 'Travel Distance', data: poi_transport, map: my_fn_map_poi_transport, options: { from_zoom: 6 } } ]32:T687,L = { // leaflet var L = await require("leaflet@1.8.0"); await load_style_link('leaflet@1.8.0/dist/leaflet.css'); // plugins // FIXME /* await require("leaflet-search@2.9.8"); await require('leaflet-search@2.9.8/dist/leaflet-search.src.js'); await load_style_link('leaflet-search@2.9.8/dist/leaflet-search.src.css'); */ // FIXME /* await require("@geoman-io/leaflet-geoman-free@2.9.0").catch(() => L.PM); await load_style_link( '@geoman-io/leaflet-geoman-free@2.9.0/dist/leaflet-geoman.css' ); */ // FIXME /* { // leaflet-popup-modifier const response = await fetch( "https://raw.githubusercontent.com/easz/leaflet-popup-modifier/master/popupMod.js" ); const text = await response.text(); (1, eval)(`{${text}}`); await load_style_text( 'https://raw.githubusercontent.com/easz/leaflet-popup-modifier/master/popupMod.css' ); } */ // FIXME /* await require("https://cdn.jsdelivr.net/gh/gokertanrisever/leaflet-ruler@1.0.0/src/leaflet-ruler.js"); await load_style_link( 'https://cdn.jsdelivr.net/gh/gokertanrisever/leaflet-ruler@1.0.0/src/leaflet-ruler.css' ); add_style_text(`.leaflet-ruler { height: 30px; width: 30px; } .leaflet-ruler-clicked { height: 30px; width: 30px; } `); */ // leaflet-fullscreen leaflet_plugin_fullscreen_1_0_2(L); load_style_link('leaflet-fullscreen@1.0.2/dist/leaflet.fullscreen.css'); // show/hide based on zoom 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i=0;i=128&&makeRoomForExtraLength(r,i,this),this.pos=r-1,this.writeVarint(i),this.pos+=i},writeMessage:function(t,e,r){this.writeTag(t,Pbf.Bytes),this.writeRawMessage(e,r)},writePackedVarint:function(t,e){this.writeMessage(t,writePackedVarint,e)},writePackedSVarint:function(t,e){this.writeMessage(t,writePackedSVarint,e)},writePackedBoolean:function(t,e){this.writeMessage(t,writePackedBoolean,e)},writePackedFloat:function(t,e){this.writeMessage(t,writePackedFloat,e)},writePackedDouble:function(t,e){this.writeMessage(t,writePackedDouble,e)},writePackedFixed32:function(t,e){this.writeMessage(t,writePackedFixed32,e)},writePackedSFixed32:function(t,e){this.writeMessage(t,writePackedSFixed32,e)},writePackedFixed64:function(t,e){this.writeMessage(t,writePackedFixed64,e)},writePackedSFixed64:function(t,e){this.writeMessage(t,writePackedSFixed64,e)},writeBytesField:function(t,e){this.writeTag(t,Pbf.Bytes),this.writeBytes(e)},writeFixed32Field:function(t,e){this.writeTag(t,Pbf.Fixed32),this.writeFixed32(e)},writeSFixed32Field:function(t,e){this.writeTag(t,Pbf.Fixed32),this.writeSFixed32(e)},writeFixed64Field:function(t,e){this.writeTag(t,Pbf.Fixed64),this.writeFixed64(e)},writeSFixed64Field:function(t,e){this.writeTag(t,Pbf.Fixed64),this.writeSFixed64(e)},writeVarintField:function(t,e){this.writeTag(t,Pbf.Varint),this.writeVarint(e)},writeSVarintField:function(t,e){this.writeTag(t,Pbf.Varint),this.writeSVarint(e)},writeStringField:function(t,e){this.writeTag(t,Pbf.Bytes),this.writeString(e)},writeFloatField:function(t,e){this.writeTag(t,Pbf.Fixed32),this.writeFloat(e)},writeDoubleField:function(t,e){this.writeTag(t,Pbf.Fixed64),this.writeDouble(e)},writeBooleanField:function(t,e){this.writeVarintField(t,Boolean(e))}};var index$5=Point$1;Point$1.prototype={clone:function(){return new Point$1(this.x,this.y)},add:function(t){return this.clone()._add(t)},sub:function(t){return this.clone()._sub(t)},mult:function(t){return this.clone()._mult(t)},div:function(t){return this.clone()._div(t)},rotate:function(t){return this.clone()._rotate(t)},matMult:function(t){return this.clone()._matMult(t)},unit:function(){return this.clone()._unit()},perp:function(){return this.clone()._perp()},round:function(){return this.clone()._round()},mag:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},equals:function(t){return this.x===t.x&&this.y===t.y},dist:function(t){return Math.sqrt(this.distSqr(t))},distSqr:function(t){var e=t.x-this.x,r=t.y-this.y;return e*e+r*r},angle:function(){return Math.atan2(this.y,this.x)},angleTo:function(t){return Math.atan2(this.y-t.y,this.x-t.x)},angleWith:function(t){return this.angleWithSep(t.x,t.y)},angleWithSep:function(t,e){return Math.atan2(this.x*e-this.y*t,this.x*t+this.y*e)},_matMult:function(t){var e=t[0]*this.x+t[1]*this.y,r=t[2]*this.x+t[3]*this.y;return this.x=e,this.y=r,this},_add:function(t){return this.x+=t.x,this.y+=t.y,this},_sub:function(t){return this.x-=t.x,this.y-=t.y,this},_mult:function(t){return this.x*=t,this.y*=t,this},_div:function(t){return this.x/=t,this.y/=t,this},_unit:function(){return this._div(this.mag()),this},_perp:function(){var t=this.y;return this.y=this.x,this.x=-t,this},_rotate:function(t){var e=Math.cos(t),r=Math.sin(t),i=e*this.x-r*this.y,n=r*this.x+e*this.y;return this.x=i,this.y=n,this},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}},Point$1.convert=function(t){return t instanceof Point$1?t:Array.isArray(t)?new Point$1(t[0],t[1]):t};var Point=index$5,vectortilefeature=VectorTileFeature$2;VectorTileFeature$2.types=["Unknown","Point","LineString","Polygon"],VectorTileFeature$2.prototype.loadGeometry=function(){var t=this._pbf;t.pos=this._geometry;for(var e,r=t.readVarint()+t.pos,i=1,n=0,o=0,s=0,a=[];t.pos>3}if(n--,1===i||2===i)o+=t.readSVarint(),s+=t.readSVarint(),1===i&&(e&&a.push(e),e=[]),e.push(new Point(o,s));else{if(7!==i)throw new Error("unknown command "+i);e&&e.push(e[0].clone())}}return e&&a.push(e),a},VectorTileFeature$2.prototype.bbox=function(){var t=this._pbf;t.pos=this._geometry;for(var e=t.readVarint()+t.pos,r=1,i=0,n=0,o=0,s=1/0,a=-1/0,u=1/0,h=-1/0;t.pos>3}if(i--,1===r||2===r)n+=t.readSVarint(),o+=t.readSVarint(),na&&(a=n),oh&&(h=o);else if(7!==r)throw new Error("unknown command "+r)}return[s,u,a,h]},VectorTileFeature$2.prototype.toGeoJSON=function(t,e,r){function i(t){for(var e=0;e=this._features.length)throw new Error("feature index out of bounds");this._pbf.pos=this._features[t];var e=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature$1(this._pbf,e,this.extent,this._keys,this._values)};var VectorTileLayer$1=vectortilelayer,vectortile=VectorTile$1,VectorTile=vectortile;L.SVG.Tile=L.SVG.extend({initialize:function(t,e,r){L.SVG.prototype.initialize.call(this,r),this._tileCoord=t,this._size=e,this._initContainer(),this._container.setAttribute("width",this._size.x),this._container.setAttribute("height",this._size.y),this._container.setAttribute("viewBox",[0,0,this._size.x,this._size.y].join(" ")),this._layers={}},getCoord:function(){return this._tileCoord},getContainer:function(){return this._container},onAdd:L.Util.falseFn,addTo:function(t){if(this._map=t,this.options.interactive)for(var e in this._layers){var r=this._layers[e];r._path.style.pointerEvents="auto",this._map._targets[L.stamp(r._path)]=r}},removeFrom:function(t){if(this.options.interactive)for(var e in this._layers){var r=this._layers[e];delete this._map._targets[L.stamp(r._path)]}delete this._map},_initContainer:function(){L.SVG.prototype._initContainer.call(this);L.SVG.create("rect")},_addPath:function(t){this._rootGroup.appendChild(t._path),this._layers[L.stamp(t)]=t},_updateIcon:function(t){var e=t._path=L.SVG.create("image"),r=t.options.icon,i=r.options,n=L.point(i.iconSize),o=i.iconAnchor||n&&n.divideBy(2,!0),s=t._point.subtract(o);e.setAttribute("x",s.x),e.setAttribute("y",s.y),e.setAttribute("width",n.x+"px"),e.setAttribute("height",n.y+"px"),e.setAttribute("href",i.iconUrl)}}),L.svg.tile=function(t,e,r){return new L.SVG.Tile(t,e,r)};var Symbolizer=L.Class.extend({render:function(t,e){this._renderer=t,this.options=e,t._initPath(this),t._updateStyle(this)},updateStyle:function(t,e){this.options=e,t._updateStyle(this)},_getPixelBounds:function(){for(var t=this._parts,e=L.bounds([]),r=0;rn&&(i=r,n=o);n>a?(e[i][2]=n,c.push(l),c.push(i),l=i):(u=c.pop(),l=c.pop())}}function getSqSegDist(e,t,r){var n=t[0],o=t[1],i=r[0],a=r[1],s=e[0],l=e[1],u=i-n,c=a-o;if(0!==u||0!==c){var f=((s-n)*u+(l-o)*c)/(u*u+c*c);f>1?(n=i,o=a):f>0&&(n+=u*f,o+=c*f)}return u=s-n,c=l-o,u*u+c*c}function convert$1(e,t){var r=[];if("FeatureCollection"===e.type)for(var n=0;n1?1:n,[r,n,0]}function calcSize(e){for(var t,r,n=0,o=0,i=0;i=r&&s<=n)return e;if(a>n||s=r&&f<=n)l.push(p);else if(!(c>n||f=t&&s<=r&&o.push(a)}return o}function clipGeometry(e,t,r,n,o,i){for(var a=[],s=0;sr?(x.push(o(l,h,t),o(l,h,r)),i||(x=newSlice(a,x,g,d,v))):p>=t&&x.push(o(l,h,t)):f>r?pr&&(x.push(o(l,h,r)),i||(x=newSlice(a,x,g,d,v))));l=m[y-1],f=l[n],f>=t&&f<=r&&x.push(l),c=x[x.length-1],i&&c&&(x[0][0]!==c[0]||x[0][1]!==c[1])&&x.push(x[0]),newSlice(a,x,g,d,v)}return a}function newSlice(e,t,r,n,o){return t.length&&(t.area=r,t.dist=n,void 0!==o&&(t.outer=o),e.push(t)),[]}function wrap$1(e,t,r){var n=e,o=clip$2(e,1,-1-t,t,0,r,-1,2),i=clip$2(e,1,1-t,2+t,0,r,-1,2);return(o||i)&&(n=clip$2(e,1,-t,1+t,0,r,-1,2),o&&(n=shiftFeatureCoords(o,1).concat(n)),i&&(n=n.concat(shiftFeatureCoords(i,-1)))),n}function shiftFeatureCoords(e,t){for(var r=[],n=0;na.max[0]&&(a.max[0]=u[0]),u[1]>a.max[1]&&(a.max[1]=u[1])}return a}function addFeature(e,t,r,n){var o,i,a,s,l=t.geometry,u=t.type,c=[],f=r*r;if(1===u)for(o=0;of)&&(p.push(s),e.numSimplified++),e.numPoints++;3===u&&rewind(p,a.outer),c.push(p)}else e.numPoints+=a.length;c.length&&e.features.push({geometry:c,type:u,tags:t.tags||null})}function rewind(e,t){signedArea(e)<0===t&&e.reverse()}function signedArea(e){for(var t,r,n=0,o=0,i=e.length,a=i-1;o1)return!1;var i=o.geometry[0].length;if(5!==i)return!1;for(var a=0;a1&&console.time("creation"),m=s.tiles[h]=createTile(e,p,r,n,g,t===u.maxZoom),s.tileCoords.push({z:t,x:r,y:n}),c)){c>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",t,r,n,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd("creation"));var d="z"+t;s.stats[d]=(s.stats[d]||0)+1,s.total++}if(m.source=e,o){if(t===u.maxZoom||t===o)continue;var v=1<1&&console.time("clipping");var y,x,b,M,P,S,w=.5*u.buffer/u.extent,$=.5-w,C=.5+w,F=1+w;y=x=b=M=null,P=clip(e,p,r-w,r+C,0,intersectX,m.min[0],m.max[0]),S=clip(e,p,r+$,r+F,0,intersectX,m.min[0],m.max[0]),P&&(y=clip(P,p,n-w,n+C,1,intersectY,m.min[1],m.max[1]),x=clip(P,p,n+$,n+F,1,intersectY,m.min[1],m.max[1])),S&&(b=clip(S,p,n-w,n+C,1,intersectY,m.min[1],m.max[1]),M=clip(S,p,n+$,n+F,1,intersectY,m.min[1],m.max[1])),c>1&&console.timeEnd("clipping"),y&&l.push(y,t+1,2*r,2*n),x&&l.push(x,t+1,2*r,2*n+1),b&&l.push(b,t+1,2*r+1,2*n),M&&l.push(M,t+1,2*r+1,2*n+1)}else o&&(f=t)}return f},GeoJSONVT.prototype.getTile=function(e,t,r){var n=this,o=this.options,i=o.extent,a=o.debug,s=1<1&&console.log("drilling down to z%d-%d-%d",e,t,r);for(var u,c=e,f=t,p=r;!u&&c>0;)c--,f=Math.floor(f/2),p=Math.floor(p/2),u=n.tiles[toID(c,f,p)];if(!u||!u.source)return null;if(a>1&&console.log("found parent tile z%d-%d-%d",c,f,p),isClippedSquare(u,i,o.buffer))return transform.tile(u,i);a>1&&console.time("drilling down");var h=this.splitTile(u.source,c,f,p,e,t,r);if(a>1&&console.timeEnd("drilling down"),null!==h){var m=1<c&&(c=s[0]),s[1]f&&(f=s[1])}function r(e){switch(e.type){case"GeometryCollection":e.geometries.forEach(r);break;case"Point":t(e.coordinates);break;case"MultiPoint":e.coordinates.forEach(t)}}var n=e.bbox;if(!n){var o,i,a=transform$3(e),s=new Array(2),l=1/0,u=l,c=-l,f=-l;e.arcs.forEach(function(e){for(var t=-1,r=e.length;++tc&&(c=s[0]),s[1]f&&(f=s[1])});for(i in e.objects)r(e.objects[i]);n=e.bbox=[l,u,c,f]}return n},reverse=function(e,t){for(var r,n=e.length,o=n-t;o<--n;)r=e[o],e[o++]=e[n],e[n]=r},feature=function(e,t){return"GeometryCollection"===t.type?{type:"FeatureCollection",features:t.geometries.map(function(t){return feature$1(e,t)})}:feature$1(e,t)},stitch=function(e,t){function r(t){var r,n=e.arcs[t<0?~t:t],o=n[0];return e.transform?(r=[0,0],n.forEach(function(e){r[0]+=e[0],r[1]+=e[1]})):r=n[n.length-1],t<0?[r,o]:[o,r]}function n(e,t){for(var r in e){var n=e[r];delete t[n.start],delete n.start,delete n.end,n.forEach(function(e){o[e<0?~e:e]=1}),s.push(n)}}var o={},i={},a={},s=[],l=-1;return t.forEach(function(r,n){var o,i=e.arcs[r<0?~r:r];i.length<3&&!i[1][0]&&!i[1][1]&&(o=t[++l],t[l]=r,t[n]=o)}),t.forEach(function(e){var t,n,o=r(e),s=o[0],l=o[1];if(t=a[s])if(delete a[t.end],t.push(e),t.end=l,n=i[l]){delete i[n.start];var u=n===t?t:t.concat(n);i[u.start=t.start]=a[u.end=n.end]=u}else i[t.start]=a[t.end]=t;else if(t=i[l])if(delete i[t.start],t.unshift(e),t.start=s,n=a[s]){delete a[n.end];var c=n===t?t:n.concat(t);i[c.start=n.start]=a[c.end=t.end]=c}else i[t.start]=a[t.end]=t;else t=[e],i[t.start=s]=a[t.end=l]=t}),n(a,i),n(i,a),t.forEach(function(e){o[e<0?~e:e]||s.push([e])}),s},bisect=function(e,t){for(var r=0,n=e.length;r>>1;e[o] { // A "ShowHideOnZoom" layer contains layers with `from_zoom` and `to_zoom` // options to determine if they are shown/hidden on specific zoom level. // A "ShowHideOnZoom" layer is supposed to added to map directly L.FeatureGroup.ShowHideOnZoom = L.FeatureGroup.extend({ initialize: function() { this._layers = new Set(); this._featureGroup = L.featureGroup(); }, onAdd: function(map) { map.on('zoom', e => this._filter(e.target.getZoom())); this._filter(map.getZoom()); this._featureGroup.addTo(map); }, onRemove: function(map) { this._featureGroup.removeFrom(map); map.off('zoom', e => this._filter(e.target.getZoom())); }, addLayer: function(layer) { this._layers.add(layer); }, removeLayer: function(layer) { this._layers.delete(layer); }, _filter: function(zoom) { this._layers.forEach(layer => { let opts = layer.options; let shown = (opts.from_zoom == null || zoom >= opts.from_zoom) && (opts.to_zoom == null || zoom <= opts.to_zoom); if (shown) { if (!this._featureGroup.hasLayer(layer)) layer.addTo(this._featureGroup); } else { if (this._featureGroup.hasLayer(layer)) layer.removeFrom(this._featureGroup); } }); } }); L.featureGroup.showHideOnZoom = () => { return new L.FeatureGroup.ShowHideOnZoom(); }; return L.featureGroup.showHideOnZoom; }35:Te73,leaflet_plugin_fullscreen_1_0_2 = L => { L.Control.Fullscreen=L.Control.extend({options:{position:"topleft",title:{"false":"View Fullscreen","true":"Exit Fullscreen"}},onAdd:function(map){var container=L.DomUtil.create("div","leaflet-control-fullscreen leaflet-bar leaflet-control");this.link=L.DomUtil.create("a","leaflet-control-fullscreen-button leaflet-bar-part",container);this.link.href="#";this._map=map;this._map.on("fullscreenchange",this._toggleTitle,this);this._toggleTitle();L.DomEvent.on(this.link,"click",this._click,this);return container},_click:function(e){L.DomEvent.stopPropagation(e);L.DomEvent.preventDefault(e);this._map.toggleFullscreen(this.options)},_toggleTitle:function(){this.link.title=this.options.title[this._map.isFullscreen()]}});L.Map.include({isFullscreen:function(){return this._isFullscreen||false},toggleFullscreen:function(options){var container=this.getContainer();if(this.isFullscreen()){if(options&&options.pseudoFullscreen){this._disablePseudoFullscreen(container)}else if(document.exitFullscreen){document.exitFullscreen()}else if(document.mozCancelFullScreen){document.mozCancelFullScreen()}else if(document.webkitCancelFullScreen){document.webkitCancelFullScreen()}else if(document.msExitFullscreen){document.msExitFullscreen()}else{this._disablePseudoFullscreen(container)}}else{if(options&&options.pseudoFullscreen){this._enablePseudoFullscreen(container)}else if(container.requestFullscreen){container.requestFullscreen()}else if(container.mozRequestFullScreen){container.mozRequestFullScreen()}else if(container.webkitRequestFullscreen){container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT)}else if(container.msRequestFullscreen){container.msRequestFullscreen()}else{this._enablePseudoFullscreen(container)}}},_enablePseudoFullscreen:function(container){L.DomUtil.addClass(container,"leaflet-pseudo-fullscreen");this._setFullscreen(true);this.fire("fullscreenchange")},_disablePseudoFullscreen:function(container){L.DomUtil.removeClass(container,"leaflet-pseudo-fullscreen");this._setFullscreen(false);this.fire("fullscreenchange")},_setFullscreen:function(fullscreen){this._isFullscreen=fullscreen;var container=this.getContainer();if(fullscreen){L.DomUtil.addClass(container,"leaflet-fullscreen-on")}else{L.DomUtil.removeClass(container,"leaflet-fullscreen-on")}this.invalidateSize()},_onFullscreenChange:function(e){var fullscreenElement=document.fullscreenElement||document.mozFullScreenElement||document.webkitFullscreenElement||document.msFullscreenElement;if(fullscreenElement===this.getContainer()&&!this._isFullscreen){this._setFullscreen(true);this.fire("fullscreenchange")}else if(fullscreenElement!==this.getContainer()&&this._isFullscreen){this._setFullscreen(false);this.fire("fullscreenchange")}}});L.Map.mergeOptions({fullscreenControl:false});L.Map.addInitHook(function(){if(this.options.fullscreenControl){this.fullscreenControl=new L.Control.Fullscreen(this.options.fullscreenControl);this.addControl(this.fullscreenControl)}var fullscreenchange;if("onfullscreenchange"in document){fullscreenchange="fullscreenchange"}else if("onmozfullscreenchange"in document){fullscreenchange="mozfullscreenchange"}else if("onwebkitfullscreenchange"in document){fullscreenchange="webkitfullscreenchange"}else if("onmsfullscreenchange"in document){fullscreenchange="MSFullscreenChange"}if(fullscreenchange){var onFullscreenChange=L.bind(this._onFullscreenChange,this);this.whenReady(function(){L.DomEvent.on(document,fullscreenchange,onFullscreenChange)});this.on("unload",function(){L.DomEvent.off(document,fullscreenchange,onFullscreenChange)})}});L.control.fullscreen=function(options){return new L.Control.Fullscreen(options)}; }36:Td92,leaflet_plugin_sync = L => { var n={animate:!1,reset:!0,disableViewprereset:!0};L.Sync=function(){},L.Sync.offsetHelper=function(s,t){var c=L.Util.isArray(s)?s:[.5,.5],a=L.Util.isArray(t)?t:[.5,.5];return function(s,t,n,e){var i=n.getSize(),o=e.getSize(),r=n.project(s,t).subtract([(.5-c[0])*i.x,(.5-c[1])*i.y]).add([(.5-a[0])*o.x,(.5-a[1])*o.y]);return n.unproject(r,t)}},L.Map.include({sync:function(s,t){return this._initSync(),t=L.extend({noInitialSync:!1,syncCursor:!1,syncCursorMarkerOptions:{radius:10,fillOpacity:.3,color:"#da291c",fillColor:"#fff"},offsetFn:function(s,t,n,e){return s}},t),-1===this._syncMaps.indexOf(s)&&(this._syncMaps.push(s),this._syncOffsetFns[L.Util.stamp(s)]=t.offsetFn),t.noInitialSync||s.setView(t.offsetFn(this.getCenter(),this.getZoom(),this,s),this.getZoom(),n),t.syncCursor&&(void 0===s.cursor&&(s.cursor=L.circleMarker([0,0],t.syncCursorMarkerOptions).addTo(s)),this._cursors.push(s.cursor),this.on("mousemove",this._cursorSyncMove,this),this.on("mouseout",this._cursorSyncOut,this)),this.on("resize zoomend",this._selfSetView),this.on("moveend",this._syncOnMoveend),this.on("dragend",this._syncOnDragend),this},unsync:function(e){var n=this;return this._cursors&&this._cursors.forEach(function(s,t,n){s===e.cursor&&n.splice(t,1)}),e.cursor&&e.cursor.setLatLng([0,0]),this._syncMaps&&this._syncMaps.forEach(function(s,t){e===s&&(delete n._syncOffsetFns[L.Util.stamp(e)],n._syncMaps.splice(t,1))}),this._syncMaps&&0!=this._syncMaps.length||(this.off("resize zoomend",this._selfSetView),this.off("moveend",this._syncOnMoveend),this.off("dragend",this._syncOnDragend)),this},isSynced:function(t){var n=this.hasOwnProperty("_syncMaps")&&0 { return "railway" in o.tags; }, aerialway: o => { return "aerialway" in o.tags; }, ferry: o => { return o.tags.amenity == "ferry_terminal"; }, bus: o => { return o.tags.highway == "bus_stop" || "bus" in o.tags; } }; let result = {}; // find the nearst one for every trasport kind ['train', 'aerialway', 'ferry', 'bus'].forEach(m => { result[m] = opts['filter_' + m] ? geokdbush.around(index, lng, lat, 1, dist_km, filter[m]) : []; }); const geokdbush_distance = (lng, lat, feature) => { const [lng1, lat1] = feature.lat ? [feature.lon, feature.lat] : [feature.center.lon, feature.center.lat]; return geokdbush.distance(lng, lat, lng1, lat1); }; // discard some results if they don't have shorter distance than train const prefer_train = result => { if (opts.prefer_train && result.train.length) { const dist_train = geokdbush_distance(lng, lat, result.train[0]); ['aerialway', 'ferry', 'bus'].forEach(m => { if (result[m].length) { const dist = geokdbush_distance(lng, lat, result[m][0]); if (dist_train - dist <= opts.prefer_threshold_km) { result[m] = []; } } }); } return result; }; return Object.values(prefer_train(result)).flat(); }38:T554,calculate_shortest_travel_time_ms = ( from, destinations, hafas_clients, departure_time ) => { // array_any_async: query all possible criteria // array_some_async: query the fisrt criterion with valid result const query_hafas_strategy = array_any_async; const query_departure_strategy = array_some_async; let result = { from: from, to: {} }; destinations.forEach(async (poi, i) => { let durations = []; 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Travel with public transportation whenever possible`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":44,"value":"{\n let container = html`

`;\n yield container;\n create_map(container, map_options );\n\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":174,"value":"{\n if (my_map_apiKey_thunderforest == '')\n return md`**Note**: To use additional map sources (e.g. Public Transport) an API key from [Thunderforest](https://www.thunderforest.com/) service is required: You can fork the notebook and set your API key to the constant [\\`my_map_apiKey_thunderforest\\`](#my_map_apiKey_thunderforest)).`;\n else return md``;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1292,"value":"md`\n\nTo use this map in your notebook:\n~~~javascript\n map = {\n let container = DOM.element('div');\n yield container; \n create_map(container, map_options);\n }\n\n import { create_map, map_options } from \"@easz/my-map\"\n~~~\n\nThis map can be customized with [\\`map_options\\`](#map_options):\n- Base tile map layers defined in [\\`map_base_layers\\`](#map_base_layers)\n- Overlay tile map layers defined in [\\`map_overlay_layers\\`](#map_overlay_layers)\n- Overlay user data layers defined in [\\`map_data_layers\\`](#map_data_layers)\n\nand the editable layer is exposed as \\`mutable\\` [\\`map_edit_layer\\`](#map_edit_layer)\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4478,"value":"md`Public transport stops or stations (i.e. [\\`poi_transport\\`](#poi_transport)) are determined accroding to the user data (e.g. hiking destinations). The travel time from '${travel_from.name}' is calculated (i.e. [\\`poi_transport_travel_time_ms\\`](#poi_transport_travel_time_ms)) and represented with different color code.` ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3280,"value":"md`Any manually added/edited markers

will be listed in the following table:`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3174,"value":"{\n let d = Object.values(map_edit_layer._layers).map(l => {\n return {\n Coordinates: l.getLatLng(),\n Description: l._popup ? l._popup.getContent() : ''\n };\n });\n if (d.length) return Table(d, { sortable: true });\n else return md`_no user added marker yet_`;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":651,"value":"html`

`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":45,"value":"md`## Appendix\nDetailed implementation of this notebook`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":203,"value":"md`### Map`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4723,"value":"md`Map creation`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":567,"value":"md`Assign Thunderforest API key (by default with the secret name \\`API_THUNDERFOREST\\`) to \\`my_map_apiKey_thunderforest\\``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":168,"value":"my_map_apiKey_thunderforest = \"b08b495f994c4e148aeea9cbe20810e0\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4721,"value":"$2e","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4726,"value":"map_options = ({\n // options for L.map\n map: {\n // deafult map center coordinates\n center: { lat: 47.422106, lng: 11.043963 },\n // default map zoom level\n zoom: 9,\n // in favor of large amount of markers\n preferCanvas: true,\n // full screen conrtol\n fullscreenControl: true\n },\n // map controls\n control: {\n search: true, // osm search\n edit: true, // marker editing\n scale: true, // scale\n ruler: true // distance ruler\n },\n // map layers\n layer: {\n base: map_base_layers, // base layers\n overlay: map_overlay_layers, // overlay layers\n extra: map_data_layers // extra user defined data\n }\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":584,"value":"md`Define \\`map_base_layers\\` with desirable base maps. Only one single base map can be shown at the same time.\nYou may find some interesting maps from \n - https://leaflet-extras.github.io/leaflet-providers/preview/`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":109,"value":"$2f","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":595,"value":"md`Define \\`map_overlay_layers\\` with desirable overlay maps. Multiple overlay layers can be shown at the same time. You may find some interesting maps from \n - https://wiki.openstreetmap.org/wiki/Tile_servers\n - https://wmts.openslopemap.org/wmts/`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":271,"value":"$30","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":710,"value":"md`Define \\`map_data_layers\\` with user data to show`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":693,"value":"$31","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3331,"value":"md`Expose \\`map_edit_layer\\` with user edited markers`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3131,"value":"mutable map_edit_layer = L.layerGroup()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3334,"value":"md`Imported Data`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4210,"value":"md`Huts in the whole Alps`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":691,"value":"import { data_alps_alpine_huts } from \"@easz/overpass-api-for-openstreetmap\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4213,"value":"md`POIs of hiking destinations`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2372,"value":"my_data_alpine_hiking = FileAttachment(\"alpine_hiking@2.geojson\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4216,"value":"md`POIs of climbing destinations`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2380,"value":"my_data_climbing_bouldering = FileAttachment(\"climbing_bouldering@1.geojson\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4227,"value":"md`TODO: remove this `","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4224,"value":"md`POIs of all transport stations/stops in the whole Alps`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3415,"value":"import { data_alps_public_transport } from \"@easz/overpass-api-for-openstreetmap\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2089,"value":"md`We filter out data without tags`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":698,"value":"my_fn_filter_alpine_huts = d => {\n return d.tags && d.tags.name ? true : false;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2093,"value":"md`Determine alpine huts operated by alpine clubs`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1934,"value":"my_fn_pred_alpine_huts_from_club = d => {\n const pattern = /(AV)|(Club Alpin)|(Sektion)|(Alpenverein)|(C\\.?A\\.?I\\.?)|(SAC)|(CAS)|(FFCAM)|(FEDME)|(FAT)|(Alpinisti Tridentini)|(Planinsk. dru)|(PZS)|(^PD )|(Naturfreunde)/;\n for (const [k, v] of Object.entries(d.tags))\n if (/operator/.test(k)) {\n if (pattern.test(v)) return true;\n }\n return false;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1946,"value":"my_fn_map_alpine_huts_from_club = d => {\n const popup_name = create_osm_display_name(d.tags);\n const op_name = extract_osm_operator(d.tags);\n const latlng = d.center\n ? L.latLng(d.center.lat, d.center.lon)\n : L.latLng(d.lat, d.lon);\n return create_marker(latlng, {\n radius: 8,\n weight: 3,\n color: '#AE2321',\n opacity: 0.9,\n fillOpacity: 0.5\n }).bindPopup(popup_name + '
' + op_name);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2098,"value":"md`Determine alpine huts whose operators publicly known`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":875,"value":"my_fn_pred_alpine_huts_has_operator = d => {\n return Object.keys(d.tags).some(k => {\n return /operator/.test(k);\n });\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":901,"value":"my_fn_map_alpine_huts_has_operator = d => {\n let popup_name = create_osm_display_name(d.tags);\n let op_name = extract_osm_operator(d.tags);\n const latlng = d.center\n ? L.latLng(d.center.lat, d.center.lon)\n : L.latLng(d.lat, d.lon);\n return create_marker(latlng, {\n radius: 8,\n weight: 3,\n color: '#D90E18',\n opacity: 0.8,\n fillOpacity: 0.5\n }).bindPopup(popup_name + '
' + op_name);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2102,"value":"md`The rest of alpine huts which may be own privately`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":778,"value":"my_fn_map_alpine_huts = d => {\n const popup_name = create_osm_display_name(d.tags);\n const latlng = d.center\n ? L.latLng(d.center.lat, d.center.lon)\n : L.latLng(d.lat, d.lon);\n return create_marker(latlng, {\n radius: 8,\n weight: 3,\n color: '#FA1754',\n opacity: 0.7,\n fillOpacity: 0.5\n }).bindPopup(popup_name);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2537,"value":"md`Other data mapping`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2396,"value":"my_fn_map_alpine_hiking = d => {\n const popup_name = /http/.test(d.properties.description)\n ? html`${d.properties.name}`\n : d.properties.name;\n const latlng = L.latLng(d.geometry.coordinates[1], d.geometry.coordinates[0]);\n return create_marker(latlng, {\n radius: 10,\n weight: 4,\n color: '#36454f',\n fillColor: '#8a7f80',\n opacity: 0.90,\n fillOpacity: 0.6\n }).bindPopup(popup_name);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2472,"value":"my_fn_map_climbing_bouldering = d => {\n const popup_name = /https:/.test(d.properties.description)\n ? html`${d.properties.name}`\n : d.properties.name;\n const latlng = L.latLng(d.geometry.coordinates[1], d.geometry.coordinates[0]);\n return create_marker(latlng, {\n radius: 10,\n weight: 4,\n color: '#7C3F7C',\n fillColor: '#C8A2C8',\n opacity: 0.90,\n fillOpacity: 0.6\n }).bindPopup(popup_name);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3953,"value":"my_fn_map_poi_transport = d => {\n const time_ms = poi_transport_travel_time_ms.to[d.id];\n const popup_name = time_ms\n ? html`${d.tags.name}
${format_duration(time_ms)} from ${\n poi_transport_travel_time_ms.from.name\n }`\n : html`${d.tags.name}`;\n const latlng = L.latLng(d.lat, d.lon);\n return create_marker(latlng, {\n radius: 10,\n weight: 1,\n color: '#0',\n fillColor: !time_ms\n ? 'grey'\n : time_ms <= 1.5 * 60 * 60 * 1000\n ? 'green'\n : time_ms <= 2 * 60 * 60 * 1000\n ? 'yellow'\n : time_ms <= 3 * 60 * 60 * 1000\n ? 'orange'\n : 'orangered',\n opacity: 0.8,\n fillOpacity: 0.67\n }).bindPopup(popup_name);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1263,"value":"md`functions to extract tags and construct display`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2036,"value":"create_marker = (latlng, opts) => {\n return L.circleMarker(latlng, opts);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1268,"value":"extract_osm_url = tags => {\n let url = '';\n Object.keys(tags).some(k => {\n if (/website/.test(k)) {\n url = tags[k];\n return true;\n } else return false;\n });\n return url;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1969,"value":"extract_osm_operator = tags => {\n for (const [k, v] of Object.entries(tags))\n if (/operator/.test(k)) {\n return v;\n }\n return undefined;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1278,"value":"create_osm_display_name = tags => {\n const url = extract_osm_url(tags);\n return /./.test(url)\n ? '' + tags.name + ''\n : tags.name;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":562,"value":"md`#### Libraries`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":603,"value":"md`[Leaflet](https://leafletjs.com/) for drawing maps`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4804,"value":"await require.resolve('leaflet@1.7.1/dist/leaflet.css')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":32,"value":"$32","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4792,"value":"load_style_link = async p => {\n var link = html``;\n return document.head.appendChild(link);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4843,"value":"load_style_text = async p => {\n const response = await fetch(p);\n const text = await response.text();\n return add_style_text(text);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4860,"value":"add_style_text = async text => {\n var style = html``;\n return document.head.appendChild(style);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1595,"value":"md`An extended Leaflet layer containing sub-layers which can be shown and hidden on different zoom levels independently.\nInspired by https://github.com/auto-mat/leaflet-zoom-show-hide`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":5405,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":1356,"value":"$34","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":5261,"value":"$35","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":5399,"value":"$36","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3166,"value":"md`Table display`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3400,"value":"import {Table} from \"@observablehq/inputs\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2748,"value":"md`Public Transport API`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2740,"value":"import { hafas_oebb, hafas_db } from \"@easz/public-transport-api\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4014,"value":"md`Geospatial Search`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3654,"value":"kdbush = require(\"https://bundle.run/kdbush@3.0.0\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3658,"value":"geokdbush = require(\"https://bundle.run/geokdbush@1.1.0\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4024,"value":"md`#### Implementation`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4030,"value":"md`build index of OSM JSON data (e.g. results from Overpass API)`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3661,"value":"build_index = osmjson =>\n new kdbush(\n // index only tags with 'name'\n osmjson.elements.filter(o => o.tags.name),\n o => {\n return o.lon ? o.lon : o.center.lon;\n },\n o => {\n return o.lat ? o.lat : o.center.lat;\n }\n )","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4034,"value":"md`find nearby public transport stations`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3643,"value":"$37","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4281,"value":"md`Define travel from...`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4235,"value":"travel_from = ({\n type: 'stop',\n id: '8000261', // can be found out with hafas client's `stations`\n name: 'München Hbf'\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4039,"value":"md`Find out transport stations near specified POIs`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4262,"value":"// load pre-calculaed result\npoi_transport = FileAttachment(\"poi_transport.json\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":3850,"value":"// or re-calculate poi_transport again\n/*\npoi_transport = find_poi_nearby(\n [...my_data_alpine_hiking.features, ...my_data_climbing_bouldering.features],\n build_index(data_alps_public_transport),\n 25\n)\n*/","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4659,"value":"find_poi_nearby = (from_pois, dest_poi_index, distance_km) => {\n let nearby = from_pois\n .filter(o => o.geometry.type == \"Point\")\n .map(o =>\n nearby_transport(\n dest_poi_index,\n o.geometry.coordinates[0],\n o.geometry.coordinates[1],\n distance_km\n )\n )\n .flat();\n\n // remove duplicates\n const s = new Set();\n nearby = nearby.filter(el => {\n const duplicate = s.has(el.id);\n s.add(el.id);\n return !duplicate;\n });\n\n return nearby;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4495,"value":"md`Find out the shortest travel time`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4416,"value":"// Array.prototype.some(await predicate);\narray_some_async = async (a, p) => {\n for (let e of a) {\n if (await p(e)) return true;\n }\n return false;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4420,"value":"// similar to Array.prototype.some(await predicate)\n// but the predicates will be applied to all elemets\n// default: false\narray_any_async = async (a, p) => {\n let r = false;\n for (let e of a) {\n r |= await p(e);\n }\n return r;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4243,"value":"format_duration = duration_ms => {\n const d = duration_ms / (1000 * 60 * 60);\n const h = Math.trunc(d);\n const m = Math.round((d - h) * 60);\n return h + \":\" + String(m).padStart(2, '0');\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4553,"value":"date_time_weekend_morning = (hint_month, hint_day) => {\n let d = new Date();\n\n d.setMonth(hint_month);\n d.setDate(hint_day);\n d.setDate(hint_day + (6 - d.getDay())); // next Saturday\n\n d.setHours(5);\n d.setMinutes(0);\n d.setSeconds(0);\n d.setMilliseconds(0);\n return d;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4609,"value":"departure_time_tomorrow = {\n let d = new Date();\n\n d.setDate(d.getDate() + 1);\n\n d.setHours(5);\n d.setMinutes(0);\n d.setSeconds(0);\n d.setMilliseconds(0);\n return d;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4346,"value":"departure_time_winter = date_time_weekend_morning(0, 10)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4545,"value":"departure_time_spring = date_time_weekend_morning(2, 10)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4566,"value":"departure_time_summer = date_time_weekend_morning(6, 1)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4512,"value":"journey_duration = journey => {\n return (\n Date.parse(journey.legs[journey.legs.length - 1].arrival) -\n Date.parse(journey.legs[0].departure)\n );\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4354,"value":"shortest_duration_from_journeys = journeys => {\n const journey_duration = journey => {\n return (\n Date.parse(journey.legs[journey.legs.length - 1].arrival) -\n Date.parse(journey.legs[0].departure)\n );\n };\n\n return journeys\n .map(j => {\n return journey_duration(j);\n })\n .sort(function(a, b) {\n return a - b;\n })[0];\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4473,"value":"// load pre-calculaed result\npoi_transport_travel_time_ms = FileAttachment(\n \"poi_transport_travel_time_ms@1.json\"\n).json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2752,"value":"// or re-calculate poi_transport_travel_time_ms again\n/*\ncalculate_shortest_travel_time_ms(\n travel_from,\n poi_transport,\n [hafas_oebb, hafas_db],\n [\n departure_time_tomorrow,\n departure_time_winter,\n departure_time_spring,\n departure_time_summer\n ]\n)\n*/","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4674,"value":"$38","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2772,"value":"md`### Sandbox`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W39","stdlib":"1","titling":"auto"}} 2d:"$2c:body"