29:null 2a:["$","title",null,{"children":"Forts Around New Orleans | mradamcox | Observable"}] 2f:T144e,map = { let container = DOM.element('div', { style: `width:${width}px;height:${width/1.6}px` }); yield container; // Now we create a map object and add a layer to it. let map = L.map(container,{ fullscreenControl: true }).setView([30.186330, -90.136365], 10); let latlongpopup = L.popup({'className' : 'latlong-popup'}); map.on("contextmenu", function (event) { let latitude = event.latlng.lat.toFixed(4); let longitude = event.latlng.lng.toFixed(4); let gm = 'http://maps.google.com/maps?z=7&t=k&q=loc:'+latitude+'+'+longitude; let gmlink = '
google maps' latlongpopup .setLatLng(event.latlng) .setContent(latitude+', '+longitude+'
zoom level: '+map.getZoom()+gmlink) .openOn(map); }); let osmLayer = L.tileLayer('https://maps.wikimedia.org/osm-intl/{z}/{x}/{y}@2x.png', { attribution: 'Wikimedia maps beta | © OpenStreetMap contributors' }); // not using the ESRI aerial anymore 9-26-18 let mapLink = 'Esri'; let wholink = 'i-cubed, USDA, USGS, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community'; let esri_aerial = L.tileLayer( 'http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', { attribution: '© '+mapLink+', '+wholink, maxZoom: 19, }); let mapbox_key = "pk.eyJ1IjoibGVnaW9uZ2lzIiwiYSI6ImNpdzg1ZXVvbjAxa2IydG1zcm5kcnZ5NXIifQ.dTfsQ7s5nQv59mHKcNPi_w" let mapbox_aerial = L.tileLayer('https://api.tiles.mapbox.com/v4/mapbox.satellite/{z}/{x}/{y}.png?access_token='+mapbox_access_token,{ maxNativeZoom:18, maxZoom:19, attribution: "© Mapbox © OpenStreetMap Improve this map" }); let sanborn_general_attr = 'Sanborn Map Co. | Library of Congress'; let lidar_attr = "MS Coastal LiDAR, 2015"; let legionows = "https://db.legiongis.com/geoserver/ows?" let relief = L.tileLayer.wms(legionows, { layers: 'misc:logtown_elev', format: 'image/png', transparent: true, attribution: lidar_attr, tiled: true, maxZoom:19, }); //osmLayer.setZIndex(1); //relief.setZIndex(3); let baseLayers = { // "Open Street Map":osmLayer, "Aerial Imagery":mapbox_aerial }; let overlayLayers = { //"elevation relief":relief, }; let c_layers = new L.control.layers(baseLayers, overlayLayers,{position:'topright',autoZIndex:true}); map.addLayer(mapbox_aerial); map.addControl(c_layers); let fortIcon = L.icon({ iconUrl: 'https://image.flaticon.com/icons/svg/90/90389.svg', iconSize: [20], // size of the icon }); let battbien = L.marker([29.9848958,-89.8811531]) battbien.bindPopup("Battery Bienvenue"); battbien.addTo(map); let ftpike = L.marker([30.165890, -89.736599]) ftpike.bindPopup("Fort Pike"); ftpike.addTo(map); let ftmacomb = L.marker([30.0645022,-89.8048633]) ftmacomb.bindPopup("Fort Macomb"); ftmacomb.addTo(map); let twrdupre = L.marker([29.9451267,-89.8351888]) twrdupre.bindPopup("Tower Dupre - only rubble"); twrdupre.addTo(map); let bmr = L.marker([29.97652,-89.87455]) bmr.bindPopup("Bayou Mazant Redoubt - located at this confluence of Bayou Villere (Mazant) and Bayou Ducros"); bmr.addTo(map); let ftproctor = L.marker([29.867256, -89.678320]) ftproctor.bindPopup("Fort Proctor"); ftproctor.addTo(map); let vc = L.marker([29.953974, -89.933500]) vc.bindPopup("Villere Canal"); vc.addTo(map); let vcr = L.marker([29.96342,-89.92957]) vcr.bindPopup("Villere Canal Redoubt - spent a long time tracking this down. It is reportedly at the intersection of Villere Canal and Bayou Villere (Mazant). Villere Canal no longer exists on maps (never has on USGS maps as far as I can tell), but I believe that a fragment of it can be seen south and slightly west of this point, heading south into the levy. LiDAR reveals this channel continuing in the woods on the other side of the levy and leading to the Villere Plantation ruins on Murphy Oil property. This point is on a spot in Bayou Villere (Mazant) where the canal could have intersected it."); vcr.addTo(map); let ar = L.marker([57.666667, -2.64], { icon: new L.DivIcon({ className: 'my-div-icon', html: '

'+ 'RAF Banff Airfield' }) }); //let credits = L.control.attribution().addTo(map); //credits.addAttribution('© Mapbox © OpenStreetMap Improve this map') }30:[] 2d:{"id":"61f856d3818f2d05","slug":"forts","title":"Forts Around New Orleans","thumbnail":"0505cbed9e2dd3087a2674a51125fd9c18a1462d9394ad0ebf69d870a87ba1e7","access_level":"public","create_time":"$D2018-09-08T21:20:57.309Z","update_time":"$D2024-02-17T16:18:43.539Z","view_time":null,"first_public_time":"$D2018-09-09T00:37:05.677Z","has_unpublished_edits":null,"fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"0ae73f6174cae4c3","login":"mradamcox","name":"","avatar_url":"https://avatars-next.observableusercontent.com/748562e30e1ea8d52d99446db67cf5bcf90ff0dff6c65ab473a44a444958ee6a","tier":"starter_2024"},"version":53,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"826f0155b2644262","login":"mradamcox","name":"","avatar_url":"https://avatars-next.observableusercontent.com/748562e30e1ea8d52d99446db67cf5bcf90ff0dff6c65ab473a44a444958ee6a","tier":null}],"members":[{"type":"individual","id":"826f0155b2644262","login":"mradamcox","name":"","avatar_url":"https://avatars-next.observableusercontent.com/748562e30e1ea8d52d99446db67cf5bcf90ff0dff6c65ab473a44a444958ee6a","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":2,"collection":{"id":"70cfd9ccf13be446","slug":"exploration","title":"exploration","owner":{"id":"0ae73f6174cae4c3","login":"mradamcox","name":""}},"type":"notebook","body":{"titling":"auto","title":"Forts Around New Orleans","cells":[{"id":0,"value":"md`# Forts Around New Orleans\nhttps://www.northamericanforts.com/East/ladelta.html\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2,"value":"L = require('leaflet@1.3.1')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4,"value":"html`\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":6,"value":"$2f","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":50,"value":"import {mapbox_access_token} from \"@mradamcox/resources\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W30","stdlib":"1"}} 2e:"$2d:body"