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hide default online layer options if we aren't online

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pull/163/head
Dave Conway-Jones 4 years ago
parent 9b7fa84554
commit d4cdc48a2f
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5 changed files with 168 additions and 156 deletions
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1
CHANGELOG.md
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@ -1,5 +1,6 @@
### Change Log for Node-RED Worldmap
- v2.12.1 - Only show online layer options if we are online.
- v2.12.0 - Add live rainfall radar data layer. Remove some non-loading overlays.
- v2.11.2 - Allow thicknesss of arc to be specified by weight
- v2.11.1 - Better handle KML point info - add popup.

10
README.md
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@ -11,6 +11,7 @@ map web page for plotting "things" on.
### Updates
- v2.12.1 - Only show online layer options if we are online.
- v2.12.0 - Add live rainfall radar data layer. Remove some non-loading overlays.
- v2.11.2 - Allow thicknesss of arc to be specified by weight
- v2.11.1 - Better handle KML point info - add popup.
@ -562,10 +563,13 @@ Again the boolean `fit` property can be added to make the map zoom to the releva
"overlay": "myWind",
"velocity": {
"displayValues": true,
"displayOptions": {
"displayOptions": {
"velocityType": "Global Wind",
"displayPosition": "bottomleft",
"displayEmptyString": "No wind data"
"emptyString": "No wind data",
"showCardinal": true,
"speedUnit": "k/h",
"angleConvention": "meteoCCW"
},
"maxVelocity": 15,
"data": [Array of data as per format referenced below]
@ -574,6 +578,8 @@ Again the boolean `fit` property can be added to make the map zoom to the releva
see https://github.com/danwild/leaflet-velocity for more details about options and data examples.
Note: If you use his wind-js-server you need to patch it as per [issue 9](https://github.com/danwild/wind-js-server/issues/9).
#### To add an Image Overlay
in a function node:

2
package.json
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@ -1,6 +1,6 @@
{
"name": "node-red-contrib-web-worldmap",
"version": "2.12.0",
"version": "2.12.1",
"description": "A Node-RED node to provide a web page of a world map for plotting things on.",
"dependencies": {
"cgi": "0.3.1",

2
worldmap/leaflet/leaflet-velocity.min.js vendored
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309
worldmap/worldmap.js
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@ -432,7 +432,7 @@ setInterval( function() { moveTerminator() }, 60000 );
// move the rainfall overlay (if enabled) every 10 minutes
function moveRainfall() {
if (map.hasLayer(overlays["rainfall"])) {
if (navigator.onLine && map.hasLayer(overlays["rainfall"])) {
overlays["rainfall"]["_url"] = 'https://tilecache.rainviewer.com/v2/radar/' + parseInt(Date.now()/600000)*600 + '/256/{z}/{x}/{y}/2/1_1.png';
overlays["rainfall"].redraw();
}
@ -734,134 +734,137 @@ map.on('contextmenu', function(e) {
});
// Add all the base layer maps
if (navigator.onLine) {
// Use this for OSM online maps
var osmUrl='https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png';
//var osmUrl='https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png';
var osmAttrib='Map data © OpenStreetMap contributors';
var osmg = new L.TileLayer.Grayscale(osmUrl, {attribution:osmAttrib, maxNativeZoom:19, maxZoom:20});
basemaps["OSM grey"] = osmg;
var osm = new L.TileLayer(osmUrl, {attribution:osmAttrib, maxNativeZoom:19, maxZoom:20});
basemaps["OSM"] = osm;
// Extra Leaflet map layers from https://leaflet-extras.github.io/leaflet-providers/preview/
var Esri_WorldStreetMap = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles © Esri', maxNativeZoom:19, maxZoom:20
});
basemaps["Esri"] = Esri_WorldStreetMap;
// Use this for OSM online maps
var osmUrl='https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png';
//var osmUrl='https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png';
var osmAttrib='Map data © OpenStreetMap contributors';
var osmg = new L.TileLayer.Grayscale(osmUrl, {attribution:osmAttrib, maxNativeZoom:19, maxZoom:20});
basemaps["OSM grey"] = osmg;
var Esri_WorldImagery = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
//var Esri_WorldImagery = L.tileLayer('http://clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
attribution:'Tiles © Esri', maxNativeZoom:17, maxZoom:20
});
basemaps["Esri Satellite"] = Esri_WorldImagery;
var osm = new L.TileLayer(osmUrl, {attribution:osmAttrib, maxNativeZoom:19, maxZoom:20});
basemaps["OSM"] = osm;
var Esri_WorldTopoMap = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles © Esri — Esri, DeLorme, NAVTEQ, TomTom, Intermap, iPC, USGS, FAO, NPS, NRCAN, GeoBase, Kadaster NL, Ordnance Survey, Esri Japan, METI, Esri China (Hong Kong), and the GIS User Community'
});
basemaps["Esri Topography"] = Esri_WorldTopoMap;
// Extra Leaflet map layers from https://leaflet-extras.github.io/leaflet-providers/preview/
var Esri_WorldStreetMap = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles © Esri', maxNativeZoom:19, maxZoom:20
});
basemaps["Esri"] = Esri_WorldStreetMap;
// var Esri_WorldShadedRelief = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Shaded_Relief/MapServer/tile/{z}/{y}/{x}', {
// attribution: 'Tiles © Esri',
// maxNativeZoom:13
// });
// basemaps["Esri Terrain"] = Esri_WorldShadedRelief;
var Esri_WorldImagery = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
//var Esri_WorldImagery = L.tileLayer('http://clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
attribution:'Tiles © Esri', maxNativeZoom:17, maxZoom:20
});
basemaps["Esri Satellite"] = Esri_WorldImagery;
var Esri_OceanBasemap = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/Ocean_Basemap/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles © Esri — Sources: GEBCO, NOAA, CHS, OSU, UNH, CSUMB, National Geographic, DeLorme, NAVTEQ, and Esri',
maxZoom: 13
});
basemaps["Esri Ocean"] = Esri_OceanBasemap;
var Esri_WorldTopoMap = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles © Esri — Esri, DeLorme, NAVTEQ, TomTom, Intermap, iPC, USGS, FAO, NPS, NRCAN, GeoBase, Kadaster NL, Ordnance Survey, Esri Japan, METI, Esri China (Hong Kong), and the GIS User Community'
});
basemaps["Esri Topography"] = Esri_WorldTopoMap;
var Esri_WorldGrayCanvas = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Dark_Gray_Base/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles © Esri — Esri, DeLorme, NAVTEQ',
maxZoom: 16
});
basemaps["Esri Dark Grey"] = Esri_WorldGrayCanvas;
// var OpenMapSurfer_Roads = L.tileLayer('https://korona.geog.uni-heidelberg.de/tiles/roads/x={x}&y={y}&z={z}', {
// maxZoom: 18,
// attribution: 'Imagery from <a href="https://giscience.uni-hd.de/">University of Heidelberg</a> &mdash; Map data &copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'
// });
// basemaps["Mapsurfer"] = OpenMapSurfer_Roads;
// var MapQuestOpen_OSM = L.tileLayer('https://otile{s}.mqcdn.com/tiles/1.0.0/{type}/{z}/{x}/{y}.{ext}', {
// type: 'map',
// ext: 'jpg',
// attribution: 'Tiles Courtesy of <a href="https://www.mapquest.com/">MapQuest</a> &mdash; Map data &copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
// subdomains: '1234',
// maxNativeZoom: 17
// });
//basemaps["MapQuest OSM"] = MapQuestOpen_OSM;
var Esri_NatGeoWorldMap = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/NatGeo_World_Map/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles &copy; Esri',
maxNativeZoom:12
});
basemaps["Nat Geo"] = Esri_NatGeoWorldMap;
// var Esri_WorldShadedRelief = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Shaded_Relief/MapServer/tile/{z}/{y}/{x}', {
// attribution: 'Tiles &copy; Esri',
// maxNativeZoom:13
// });
// basemaps["Esri Terrain"] = Esri_WorldShadedRelief;
var NLS_OS_opendata = L.tileLayer('https://geo.nls.uk/maps/opendata/{z}/{x}/{y}.png', {
attribution: '<a href="https://geo.nls.uk/maps/">National Library of Scotland Historic Maps</a>',
bounds: [[49.6, -12], [61.7, 3]],
minZoom:1, maxNativeZoom:18, maxZoom:18,
subdomains: '0123'
});
basemaps["UK OS Opendata"] = NLS_OS_opendata;
var Esri_OceanBasemap = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/Ocean_Basemap/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles &copy; Esri &mdash; Sources: GEBCO, NOAA, CHS, OSU, UNH, CSUMB, National Geographic, DeLorme, NAVTEQ, and Esri',
maxZoom: 13
});
basemaps["Esri Ocean"] = Esri_OceanBasemap;
var Open_Topo_Map = L.tileLayer('https://{s}.tile.opentopomap.org/{z}/{x}/{y}.png', {
subdomains: 'abc',
maxZoom: 19,
attribution: '&copy; <a href="https://www.opentopomap.org/copyright">OpenTopoMap</a> contributors'
});
basemaps["Open Topo Map"] = Open_Topo_Map;
var Esri_WorldGrayCanvas = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Dark_Gray_Base/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles &copy; Esri &mdash; Esri, DeLorme, NAVTEQ',
maxZoom: 16
});
basemaps["Esri Dark Grey"] = Esri_WorldGrayCanvas;
// var OpenMapSurfer_Roads = L.tileLayer('https://korona.geog.uni-heidelberg.de/tiles/roads/x={x}&y={y}&z={z}', {
// maxZoom: 18,
// attribution: 'Imagery from <a href="https://giscience.uni-hd.de/">University of Heidelberg</a> &mdash; Map data &copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'
// });
// basemaps["Mapsurfer"] = OpenMapSurfer_Roads;
// var MapQuestOpen_OSM = L.tileLayer('https://otile{s}.mqcdn.com/tiles/1.0.0/{type}/{z}/{x}/{y}.{ext}', {
// type: 'map',
// ext: 'jpg',
// attribution: 'Tiles Courtesy of <a href="https://www.mapquest.com/">MapQuest</a> &mdash; Map data &copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
// subdomains: '1234',
// maxNativeZoom: 17
// });
//basemaps["MapQuest OSM"] = MapQuestOpen_OSM;
var Esri_NatGeoWorldMap = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/NatGeo_World_Map/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles &copy; Esri',
maxNativeZoom:12
});
basemaps["Nat Geo"] = Esri_NatGeoWorldMap;
var HikeBike_HikeBike = L.tileLayer('https://tiles.wmflabs.org/hikebike/{z}/{x}/{y}.png', {
maxZoom: 19,
attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
});
basemaps["Hike Bike"] = HikeBike_HikeBike;
var NLS_OS_opendata = L.tileLayer('https://geo.nls.uk/maps/opendata/{z}/{x}/{y}.png', {
attribution: '<a href="https://geo.nls.uk/maps/">National Library of Scotland Historic Maps</a>',
bounds: [[49.6, -12], [61.7, 3]],
minZoom:1, maxNativeZoom:18, maxZoom:18,
subdomains: '0123'
});
basemaps["UK OS Opendata"] = NLS_OS_opendata;
var NLS_OS_1919_1947 = L.tileLayer( 'https://nls-{s}.tileserver.com/nls/{z}/{x}/{y}.jpg', {
attribution: 'Historical Maps Layer, from <a href="https://maps.nls.uk/projects/api/">NLS Maps</a>',
bounds: [[49.6, -12], [61.7, 3]],
minZoom:1, maxZoom:18,
subdomains: '0123'
});
basemaps["UK OS 1919-47"] = NLS_OS_1919_1947;
//var NLS_OS_1900 = L.tileLayer('https://nls-{s}.tileserver.com/NLS_API/{z}/{x}/{y}.jpg', {
var NLS_OS_1900 = L.tileLayer('https://nls-{s}.tileserver.com/fpsUZbzrfb5d/{z}/{x}/{y}.jpg', {
attribution: '<a href="https://geo.nls.uk/maps/">National Library of Scotland Historic Maps</a>',
bounds: [[49.6, -12], [61.7, 3]],
minZoom:1, maxNativeZoom:19, maxZoom:20,
subdomains: '0123'
});
basemaps["UK OS 1900"] = NLS_OS_1900;
var Open_Topo_Map = L.tileLayer('https://{s}.tile.opentopomap.org/{z}/{x}/{y}.png', {
subdomains: 'abc',
maxZoom: 19,
attribution: '&copy; <a href="https://www.opentopomap.org/copyright">OpenTopoMap</a> contributors'
});
basemaps["Open Topo Map"] = Open_Topo_Map;
//var CartoPos = L.tileLayer('https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png', {
// attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, &copy; <a href="https://cartodb.com/attributions">CartoDB</a>'
//});
//basemaps["CartoDB Light"] = CartoPos;
// Nice terrain based maps by Stamen Design
var terrainUrl = "https://stamen-tiles-{s}.a.ssl.fastly.net/terrain/{z}/{x}/{y}.jpg";
basemaps["Terrain"] = L.tileLayer(terrainUrl, {
subdomains: ['a','b','c','d'],
minZoom: 0,
maxZoom: 20,
type: 'jpg',
attribution: 'Map tiles by <a href="https://stamen.com">Stamen Design</a>, under <a href="https://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. Data by <a href="https://openstreetmap.org">OpenStreetMap</a>, under <a href="https://creativecommons.org/licenses/by-sa/3.0">CC BY SA</a>'
});
var HikeBike_HikeBike = L.tileLayer('https://tiles.wmflabs.org/hikebike/{z}/{x}/{y}.png', {
maxZoom: 19,
attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
});
basemaps["Hike Bike"] = HikeBike_HikeBike;
// Nice watercolour based maps by Stamen Design
var watercolorUrl = "https://stamen-tiles-{s}.a.ssl.fastly.net/watercolor/{z}/{x}/{y}.jpg";
basemaps["Watercolor"] = L.tileLayer(watercolorUrl, {
subdomains: ['a','b','c','d'],
minZoom: 0,
maxZoom: 20,
type: 'jpg',
attribution: 'Map tiles by <a href="https://stamen.com">Stamen Design</a>, under <a href="https://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. Data by <a href="https://openstreetmap.org">OpenStreetMap</a>, under <a href="https://creativecommons.org/licenses/by-sa/3.0">CC BY SA</a>'
});
var NLS_OS_1919_1947 = L.tileLayer( 'https://nls-{s}.tileserver.com/nls/{z}/{x}/{y}.jpg', {
attribution: 'Historical Maps Layer, from <a href="https://maps.nls.uk/projects/api/">NLS Maps</a>',
bounds: [[49.6, -12], [61.7, 3]],
minZoom:1, maxZoom:18,
subdomains: '0123'
});
basemaps["UK OS 1919-47"] = NLS_OS_1919_1947;
//var NLS_OS_1900 = L.tileLayer('https://nls-{s}.tileserver.com/NLS_API/{z}/{x}/{y}.jpg', {
var NLS_OS_1900 = L.tileLayer('https://nls-{s}.tileserver.com/fpsUZbzrfb5d/{z}/{x}/{y}.jpg', {
attribution: '<a href="https://geo.nls.uk/maps/">National Library of Scotland Historic Maps</a>',
bounds: [[49.6, -12], [61.7, 3]],
minZoom:1, maxNativeZoom:19, maxZoom:20,
subdomains: '0123'
});
basemaps["UK OS 1900"] = NLS_OS_1900;
//var CartoPos = L.tileLayer('https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png', {
// attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, &copy; <a href="https://cartodb.com/attributions">CartoDB</a>'
//});
//basemaps["CartoDB Light"] = CartoPos;
// Nice terrain based maps by Stamen Design
var terrainUrl = "https://stamen-tiles-{s}.a.ssl.fastly.net/terrain/{z}/{x}/{y}.jpg";
basemaps["Terrain"] = L.tileLayer(terrainUrl, {
subdomains: ['a','b','c','d'],
minZoom: 0,
maxZoom: 20,
type: 'jpg',
attribution: 'Map tiles by <a href="https://stamen.com">Stamen Design</a>, under <a href="https://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. Data by <a href="https://openstreetmap.org">OpenStreetMap</a>, under <a href="https://creativecommons.org/licenses/by-sa/3.0">CC BY SA</a>'
});
// Nice watercolour based maps by Stamen Design
var watercolorUrl = "https://stamen-tiles-{s}.a.ssl.fastly.net/watercolor/{z}/{x}/{y}.jpg";
basemaps["Watercolor"] = L.tileLayer(watercolorUrl, {
subdomains: ['a','b','c','d'],
minZoom: 0,
maxZoom: 20,
type: 'jpg',
attribution: 'Map tiles by <a href="https://stamen.com">Stamen Design</a>, under <a href="https://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. Data by <a href="https://openstreetmap.org">OpenStreetMap</a>, under <a href="https://creativecommons.org/licenses/by-sa/3.0">CC BY SA</a>'
});
}
// Now add the overlays
@ -1047,41 +1050,43 @@ layers["_daynight"] = new L.LayerGroup();
overlays["day/night"] = layers["_daynight"];
// Add live rain data
overlays["rainfall"] = new L.TileLayer('https://tilecache.rainviewer.com/v2/radar/' + parseInt(Date.now()/600000)*600 + '/256/{z}/{x}/{y}/2/1_1.png', {
tileSize: 256,
opacity: 0.4,
transparent: true,
attribution: '<a href="https://rainviewer.com" target="_blank">rainviewer.com</a>'
});
if (navigator.onLine) {
overlays["rainfall"] = new L.TileLayer('https://tilecache.rainviewer.com/v2/radar/' + parseInt(Date.now()/600000)*600 + '/256/{z}/{x}/{y}/2/1_1.png', {
tileSize: 256,
opacity: 0.4,
transparent: true,
attribution: '<a href="https://rainviewer.com" target="_blank">rainviewer.com</a>'
});
// Add the buildings layer
// overlays["buildings"] = new OSMBuildings(map).load();
// map.removeLayer(overlays["buildings"]); // Hide it at start
// Add Roads
// overlays["roads"] = L.tileLayer('https://{s}.tile.openstreetmap.se/hydda/roads_and_labels/{z}/{x}/{y}.png', {
// maxZoom: 18,
// attribution: 'Tiles courtesy of <a href="https://openstreetmap.se/" target="_blank">OpenStreetMap Sweden</a> &mdash; Map data &copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
// opacity: 0.8
// });
// // Add Railways
// overlays["railways"] = L.tileLayer('https://{s}.tiles.openrailwaymap.org/standard/{z}/{x}/{y}.png', {
// maxZoom: 19,
// attribution: 'Map data: &copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> | Map style: &copy; <a href="https://www.OpenRailwayMap.org">OpenRailwayMap</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-SA</a>)'
// });
// // Add Public Transport (Buses)
// overlays["public transport"] = L.tileLayer('https://openptmap.org/tiles/{z}/{x}/{y}.png', {
// maxZoom: 17,
// attribution: 'Map data: &copy; <a href="https://www.openptmap.org">OpenPtMap</a> contributors'
// });
// Add the OpenSea markers layer
overlays["ship nav"] = L.tileLayer('https://tiles.openseamap.org/seamark/{z}/{x}/{y}.png', {
maxZoom: 19,
attribution: 'Map data: &copy; <a href="https://www.openseamap.org">OpenSeaMap</a> contributors'
});
// Add the buildings layer
// overlays["buildings"] = new OSMBuildings(map).load();
// map.removeLayer(overlays["buildings"]); // Hide it at start
// Add Roads
// overlays["roads"] = L.tileLayer('https://{s}.tile.openstreetmap.se/hydda/roads_and_labels/{z}/{x}/{y}.png', {
// maxZoom: 18,
// attribution: 'Tiles courtesy of <a href="https://openstreetmap.se/" target="_blank">OpenStreetMap Sweden</a> &mdash; Map data &copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
// opacity: 0.8
// });
// // Add Railways
// overlays["railways"] = L.tileLayer('https://{s}.tiles.openrailwaymap.org/standard/{z}/{x}/{y}.png', {
// maxZoom: 19,
// attribution: 'Map data: &copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> | Map style: &copy; <a href="https://www.OpenRailwayMap.org">OpenRailwayMap</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-SA</a>)'
// });
// // Add Public Transport (Buses)
// overlays["public transport"] = L.tileLayer('https://openptmap.org/tiles/{z}/{x}/{y}.png', {
// maxZoom: 17,
// attribution: 'Map data: &copy; <a href="https://www.openptmap.org">OpenPtMap</a> contributors'
// });
// Add the OpenSea markers layer
overlays["ship nav"] = L.tileLayer('https://tiles.openseamap.org/seamark/{z}/{x}/{y}.png', {
maxZoom: 19,
attribution: 'Map data: &copy; <a href="https://www.openseamap.org">OpenSeaMap</a> contributors'
});
}
// Add the heatmap layer
var heat = L.heatLayer([], {radius:60, gradient:{0.2:'blue', 0.4:'lime', 0.6:'red', 0.8:'yellow', 1:'white'}});
@ -1095,7 +1100,7 @@ if (showUserMenu) {
}
}
}
basemaps[baselayername].addTo(map);
if (navigator.onLine) { basemaps[baselayername].addTo(map); }
// Layer control based on select box rather than radio buttons.
//var layercontrol = L.control.selectLayers(basemaps, overlays).addTo(map);

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