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liston-map.js
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liston-map.js
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var DEFAULT_LON = -26.3;
var DEFAULT_LAT = 35.41;
var DEFAULT_ZOOM = 3;
var pointClicked;
var urlLayerName;
var overlaySelected;
var historicLayers;
// necessary for use of Bing layers - generate your own at: https://msdn.microsoft.com/en-us/library/ff428642.aspx
var BingapiKey = "AgS4SIQqnI-GRV-wKAQLwnRJVcCXvDKiOzf9I1QpUQfFcnuV82wf1Aw6uw5GJPRz";
// a generic attribution variable for NLS historic map tilesets
var NLS_attribution = new ol.Attribution({
html: 'Historic background maps courtesy of the <a href="https://maps.nls.uk/">National Library of Scotland</a>'
});
// bounds of the map view
var maxExtent = ol.proj.transformExtent([-100.0,0,40.0,70.0], 'EPSG:4326', 'EPSG:3857');
// zooms left-hand map to the extents of each tour
function zoomtoextent() {
var extent = [mapleft.getLayers().getArray()[1].get('minx'), mapleft.getLayers().getArray()[1].get('miny'), mapleft.getLayers().getArray()[1].get('maxx'), mapleft.getLayers().getArray()[1].get('maxy')];
extent = ol.extent.applyTransform(extent, ol.proj.getTransform("EPSG:4326", "EPSG:3857"));
mapleft.getView().fitExtent(extent, mapleft.getSize());
mapright.getView().fitExtent(extent, mapright.getSize());
}
function getbaseLayer(mosaic_id) {
var layers = baseLayers.slice();
for (var x = 0; x < layers.length; x++) {
if (layers[x].get('mosaic_id') == mosaic_id) return layers[x];
}
}
function getOverlay(mosaic_id) {
var layers = tourLayers.slice();
for (var x = 0; x < layers.length; x++) {
if (layers[x].get('mosaic_id') == mosaic_id) return layers[x];
}
}
function resultsheaderclear() {
document.getElementById('wfsResultsleft').innerHTML = '';
str = "<br/><p id=\"noMapsSelected\">No maps selected - please <strong>click on a coloured box</strong> on the map to the left that covers the area you are interested in</p>";
document.getElementById('wfsResultsleft').innerHTML = '<strong>Zoom in and click on circles to view details of places the Listons visited ...</strong>';
unselectPreviousFeatures();
document.getElementById('ListonTourNo').innerHTML = "";
// ListonTourNo(urlLayerName);
pointClicked = '0,0';
updateUrl();
}
// parses the string following # in URL
function loadOptions()
{
args = [];
var hash = window.location.hash;
if (hash.length > 0)
{
var elements = hash.split('&');
elements[0] = elements[0].substring(1); /* Remove the # */
for(var i = 0; i < elements.length; i++)
{
var pair = elements[i].split('=');
args[pair[0]] = pair[1];
}
}
}
function setZoomLimit()
{
updateUrl();
}
function setPanEnd()
{
updateUrl();
}
// create and update URL
function updateUrl()
{
if (urlLayerName == undefined)
{
urlLayerName = 'ALL';
}
// else
// {
// if (mapleft.getLayers().getLength() > 1) urlLayerName = mapleft.getLayers().getArray()[1].get('mosaic_id');
// }
if (pointClicked == undefined)
{
pointClicked = '0,0';
}
var centre = ol.proj.transform(mapleft.getView().getCenter(), "EPSG:3857", "EPSG:4326");
window.location.hash = "zoom=" + mapleft.getView().getZoom() + "&lat=" + centre[1].toFixed(5) + "&lon=" + centre[0].toFixed(5) + "&tour=" + urlLayerName + "&point=" + pointClicked ;
}
// OpenStreetMap
var osm = new ol.layer.Tile({
title: 'Background - OpenStreetMap',
visible: false,
source: new ol.source.OSM({
attributions: [new ol.Attribution({html:'© <a href="https://www.openstreetmap.org/">OpenStreetMap</a> contributors'})],
url: 'https://{a-c}.tile.openstreetmap.org/{z}/{x}/{y}.png'
})
});
// Bing layers
var BingSatellite = new ol.layer.Tile({
title: 'Background - Bing Satellite',
visible: false,
source: new ol.source.BingMaps({
key: BingapiKey,
imagerySet: 'Aerial'
}),
opacity: 0.8
});
var BingRoad = new ol.layer.Tile({
title: 'Background - Bing Road',
visible: false,
source: new ol.source.BingMaps({
key: BingapiKey,
imagerySet: 'Road'
}),
opacity: 0.8
});
var BingAerialWithLabels = new ol.layer.Tile({
title: 'Background - Bing Hybrid',
visible: false,
source: new ol.source.BingMaps({
key: BingapiKey,
imagerySet: 'AerialWithLabels'
})
});
var opentopomap = new ol.layer.Tile({
title: 'Background - OpenTopoMap',
mosaic_id: '9',
type: 'base',
source: new ol.source.XYZ({
attributions: [
new ol.Attribution({html: 'Map tiles under <a href=\'https://creativecommons.org/licenses/by/3.0/\'>CC BY SA</a> from <a href=\'https://opentopomap.org/\'>OpenTopoMap</a>'})
],
urls:[
'https://a.tile.opentopomap.org/{z}/{x}/{y}.png',
'https://b.tile.opentopomap.org/{z}/{x}/{y}.png',
'https://c.tile.opentopomap.org/{z}/{x}/{y}.png'
],
}),
opacity: 0.8
});
var stamentoner = new ol.layer.Tile({
title: 'Background Map - Stamen Toner',
mosaic_id: '10',
visible: false,
source: new ol.source.Stamen({
layer: 'toner'
}),
opacity: 0.7
});
var stamentonerOV = new ol.layer.Tile({
title: 'Background - Stamen Toner',
mosaic_id: '10',
visible: true,
source: new ol.source.Stamen({
layer: 'toner'
}),
opacity: 0.8
});
var StamenWatercolor = new ol.layer.Tile({
title: 'Background - Stamen Watercolor',
visible: false,
source: new ol.source.Stamen({
layer: 'watercolor'
}),
opacity: 0.4
});
var stamenterrain = new ol.layer.Tile({
title: 'Background - Stamen Terrain',
mosaic_id: '10',
visible: true,
source: new ol.source.Stamen({
layer: 'terrain'
}),
opacity: 0.4
});
var esri_world_topo = new ol.layer.Tile({
preload: Infinity,
title: 'Background - ESRI World Topo',
mosaic_id: '2',
type: 'base',
source: new ol.source.XYZ({
attributions: [
new ol.Attribution({ html: 'Tiles © <a href="https://services.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer">ArcGIS</a>'})
],
url: 'https://server.arcgisonline.com/ArcGIS/rest/services/' +
'World_Topo_Map/MapServer/tile/{z}/{y}/{x}'
}),
opacity: 0.4
});
// the Web Tile Map Service layers from NLS - view full list at: https://maps.nls.uk/geo/explore/scripts/explore-layers.js
var arrowsmith_attribution = new ol.Attribution({
html: "Aaron Arrowsmith, 'Chart of the world on Mercator's projection...' (1796)."
});
var faden_america_attribution = new ol.Attribution({
html: "William Faden, 'The United States of North America…' (1796)."
});
var faden_caribbean_attribution = new ol.Attribution({
html: "William Faden, 'A General Chart of the West India Islands…' (1796)."
});
var pinkerton_europe_attribution = new ol.Attribution({
html: "'Europe', from John Pinkerton's 'A modern atlas' (1815)."
});
var pinkerton_england_attribution = new ol.Attribution({
html: "'England', from John Pinkerton's 'A modern atlas' (1815)."
});
var pinkerton_france_attribution = new ol.Attribution({
html: "'France', from John Pinkerton's 'A modern atlas' (1815)."
});
var pinkerton_austria_attribution = new ol.Attribution({
html: "'Austrian Dominions', from John Pinkerton's 'A modern atlas' (1815)."
});
var pinkerton_spain_attribution = new ol.Attribution({
html: "'Spain and Portugal', from John Pinkerton's 'A modern atlas' (1815)."
});
var pinkerton_turkey_attribution = new ol.Attribution({
html: "'Turkey in Europe', from John Pinkerton's 'A modern atlas' (1815)."
});
var pinkerton_switzerland_attribution = new ol.Attribution({
html: "'Swisserland', from John Pinkerton's 'A modern atlas' (1815)."
});
var pinkerton_germany_attribution = new ol.Attribution({
html: "'Germany, south of the Mayn', from John Pinkerton's 'A modern atlas' (1815)."
});
var pinkerton_southern_italy_attribution = new ol.Attribution({
html: "'Southern Italy', from John Pinkerton's 'A modern atlas' (1815)."
});
var constantinople_attribution = new ol.Attribution({
html: "'Carte de Constantinople, levée par F. Kauffer & Jean Baptiste Lechevalier' (1815)."
});
var arrowsmith_world = new ol.layer.Tile({
title: "Arrowsmith - World",
source: new ol.source.XYZ({
attributions: [arrowsmith_attribution],
url: "https://geo.nls.uk/mapdata3/100611144/{z}/{x}/{y}.png",
minZoom: 1,
maxZoom: 8
})
});
var arrowsmith_scotland = new ol.layer.Tile({
extent: ol.proj.transformExtent([-8.512302, 54.349378, -1.319661, 59.123888], 'EPSG:4326', 'EPSG:3857'),
title: 'Scotland - Aaron Arrowsmith, 1807',
source: new ol.source.XYZ({
attributions: [new ol.Attribution({html: '<a href="https://maps.nls.uk/joins/747.html">Aaron Arrowsmith, <em>Map of Scotland constructed from original materials</em> (1807)</a>'})],
url: 'https://geo.nls.uk/mapdata3/123969245/{z}/{x}/{y}.png',
minZoom: 2,
maxZoom: 12,
tilePixelRatio: 1
}),
minx: -8.512302,
miny: 54.349378,
maxx: -1.319661,
maxy: 59.123888
});
var faden_america = new ol.layer.Tile({
title: "William Faden",
source: new ol.source.XYZ({
attributions: [faden_america_attribution],
url: "https://geo.nls.uk/mapdata3/122170812/{z}/{x}/{y}.png",
extent: ol.proj.transformExtent([-109.597691, 21.391718, -48.250326, 55.105487], 'EPSG:4326', 'EPSG:3857'),
minZoom: 1,
maxZoom: 10
})
});
var faden_america_zoom = new ol.layer.Tile({
title: "William Faden",
source: new ol.source.XYZ({
url: "https://geo.nls.uk/mapdata3/122170812_zoom/{z}/{x}/{y}.png",
minZoom: 9,
maxZoom: 11
})
});
var faden_caribbean = new ol.layer.Tile({
title: "William Faden",
source: new ol.source.XYZ({
attributions: [faden_caribbean_attribution],
url: "https://geo.nls.uk/mapdata3/122170815/{z}/{x}/{y}.png",
extent: ol.proj.transformExtent([-88.691979, 8.240951, -58.137256, 28.835113], 'EPSG:4326', 'EPSG:3857'),
minZoom: 1,
maxZoom: 10
})
});
var pinkerton_europe = new ol.layer.Tile({
title: "Europe, 1815",
source: new ol.source.XYZ({
attributions: [pinkerton_europe_attribution],
url: "https://geo.nls.uk/mapdata3/196412626/{z}/{x}/{y}.png",
extent: ol.proj.transformExtent([-40.82729136, 28.88035352, 75.81889829, 72.01039034], 'EPSG:4326', 'EPSG:3857'),
minZoom: 5,
maxZoom: 7
}),
minx: -40.82729136,
miny: 28.88035352,
maxx: 75.81889829,
maxy: 72.01039034
});
var pinkerton_england = new ol.layer.Tile({
title: "England, 1815",
source: new ol.source.XYZ({
attributions: [pinkerton_england_attribution],
url: "https://geo.nls.uk/mapdata3/196412629/{z}/{x}/{y}.png",
minZoom: 1,
maxZoom: 10
}),
extent: ol.proj.transformExtent([-6.25698447, 49.54450306, 2.17453187, 53.08527569], 'EPSG:4326', 'EPSG:3857'),
minx: -6.25698447,
miny: 49.54450306,
maxx: 2.17453187,
maxy: 53.08527569
});
var pinkerton_france = new ol.layer.Tile({
title: "France, 1815",
source: new ol.source.XYZ({
attributions: [pinkerton_france_attribution],
url: "https://geo.nls.uk/mapdata3/196412632/{z}/{x}/{y}.png",
minZoom: 4,
maxZoom: 9
}),
extent: ol.proj.transformExtent([-8.19416968, 41.55812536, 13.87247460, 52.18712432], 'EPSG:4326', 'EPSG:3857'),
minx: -8.19416968,
miny: 41.55812536,
maxx: 13.87247460,
maxy: 50.5,
});
var pinkerton_austria = new ol.layer.Tile({
title: "Austrian Dominions, 1815",
source: new ol.source.XYZ({
attributions: [pinkerton_austria_attribution],
url: "https://geo.nls.uk/mapdata3/196412635/{z}/{x}/{y}.png",
minZoom: 1,
maxZoom: 9
}),
extent: ol.proj.transformExtent([8.14676753, 43.51730303, 27.50205324, 52.72071907], 'EPSG:4326', 'EPSG:3857'),
minx: 8.14676753,
miny: 43.51730303,
maxx: 27.50205324,
maxy: 52.72071907,
});
var pinkerton_spain = new ol.layer.Tile({
title: "Spain and Portugal, 1815",
source: new ol.source.XYZ({
attributions: [pinkerton_spain_attribution],
url: "https://geo.nls.uk/mapdata3/196412638/{z}/{x}/{y}.png",
minZoom: 1,
maxZoom: 9
}),
extent: ol.proj.transformExtent([-10.96827556, 34.99237602, 6.21912989, 44.25893816], 'EPSG:4326', 'EPSG:3857'),
minx: -10.96827556,
miny: 34.99237602,
maxx: 6.21912989,
maxy: 42.0
});
var pinkerton_turkey = new ol.layer.Tile({
title: "Turkey in Europe, 1815",
source: new ol.source.XYZ({
attributions: [pinkerton_turkey_attribution],
url: "https://geo.nls.uk/mapdata3/196412641/{z}/{x}/{y}.png",
minZoom: 1,
maxZoom: 9
}),
extent: ol.proj.transformExtent([15.04416811, 33.73025813, 31.66875165, 49.62582703], 'EPSG:4326', 'EPSG:3857'),
minx: 15.04416811,
miny: 33.73025813,
maxx: 31.66875165,
maxy: 44.0
});
var pinkerton_switzerland = new ol.layer.Tile({
title: "Swisserland, 1815",
source: new ol.source.XYZ({
attributions: [pinkerton_switzerland_attribution],
url: "https://geo.nls.uk/mapdata3/196412644/{z}/{x}/{y}.png",
}),
extent: ol.proj.transformExtent([5.97879893, 45.61216140, 10.92353395, 48.01740365], 'EPSG:4326', 'EPSG:3857'),
minx: 5.97879893,
miny: 45.61216140,
maxx: 10.92353395,
maxy: 45.5,
minZoom: 1,
maxZoom: 11
});
var pinkerton_germany = new ol.layer.Tile({
title: "Germany, 1815",
source: new ol.source.XYZ({
attributions: [pinkerton_germany_attribution],
url: "https://geo.nls.uk/mapdata3/196412647/{z}/{x}/{y}.png",
minZoom: 1,
maxZoom: 11
}),
extent: ol.proj.transformExtent([6.42751081, 46.47584914, 15.18252244, 50.63214960], 'EPSG:4326', 'EPSG:3857'),
minx: 6.42751081,
miny: 46.47584914,
maxx: 13.0,
maxy: 50.63214960
});
var pinkerton_southern_italy = new ol.layer.Tile({
title: "Southern Italy, 1815",
source: new ol.source.XYZ({
attributions: [pinkerton_southern_italy_attribution],
url: "https://geo.nls.uk/mapdata3/196412653/{z}/{x}/{y}.png",
minZoom: 1,
maxZoom: 11
}),
extent: ol.proj.transformExtent([7.15250706, 35.75123633, 19.49641560, 43.09206091], 'EPSG:4326', 'EPSG:3857'),
minx: 7.15250706,
miny: 36.69,
maxx: 19.49641560,
maxy: 43.09206091
});
var constantinople = new ol.layer.Tile({
title: "Constantinople, 1815",
source: new ol.source.XYZ({
attributions: [constantinople_attribution],
url: "https://geo.nls.uk/mapdata3/196412631/{z}/{x}/{y}.png",
minZoom: 1,
maxZoom: 16
}),
extent: ol.proj.transformExtent([28.90121349, 40.96029267, 29.05797949, 41.06195828], 'EPSG:4326', 'EPSG:3857'),
minx: 28.90121349,
miny: 40.96029267,
maxx: 29.05797949,
maxy: 41.06195828
});
// an array of the base layers listed above
var baseLayers = [stamentoner, stamenterrain, StamenWatercolor, osm, esri_world_topo, opentopomap, BingSatellite, BingRoad];
// arrowsmith_world, faden_caribbean, faden_america, faden_america_zoom, pinkerton_europe,
var historicLayersAll = [pinkerton_spain, pinkerton_france, arrowsmith_scotland, pinkerton_england, pinkerton_austria, pinkerton_turkey, pinkerton_germany, pinkerton_switzerland, pinkerton_southern_italy, constantinople ];
historicLayers = [pinkerton_spain, pinkerton_france, arrowsmith_scotland, pinkerton_england, pinkerton_austria, pinkerton_turkey, pinkerton_germany, pinkerton_switzerland, pinkerton_southern_italy, constantinople ];
// makes the stamentoner layer visible
stamentoner.setVisible(true);
// generate layerSelect drop-down for the baseLayers
var layerSelect = document.getElementById('layerSelect');
for (var x = 0; x < baseLayers.length; x++) {
// if (!baseLayers[x].displayInLayerSwitcher) continue;
var option = document.createElement('option');
option.appendChild(document.createTextNode(baseLayers[x].get('title')));
option.setAttribute('value', x);
option.setAttribute('id', 'baseOption' + baseLayers[x].get('title'));
layerSelect.appendChild(option);
}
// Define styles for circles
var normalStyle = new ol.style.Style({
image: new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: 'rgba(23, 255, 54, 0.3)',
}),
stroke: new ol.style.Stroke({
color: 'rgba(0, 0, 0, 0.9)',
width: 2
})
})
});
var normalStyleSmall = new ol.style.Style({
image: new ol.style.Circle({
radius: 2,
fill: new ol.style.Fill({
color: 'rgba(23, 255, 54, 0.6)',
}),
stroke: new ol.style.Stroke({
color: 'rgba(0, 0, 0, 0.9)',
width: 1
})
})
});
var selectedStyle = new ol.style.Style({
image: new ol.style.Circle({
radius: 10,
fill: new ol.style.Fill({
color: 'rgba(255, 153, 0,0.9)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.9)',
width: 3
})
})
});
var liston_tour_style_1 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(239, 66, 233,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_2 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(51, 119, 255,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_3 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(119, 255, 51,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_4 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(113, 34, 11,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_5 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(204, 204, 0,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_6 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(255, 0, 102,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_7 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(51, 51, 153,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_8 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(0, 102, 0,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_9 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(51, 119, 255,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_10 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(119, 255, 51,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var liston_tour_style_11 = new ol.style.Style({
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'rgba(113, 34, 11,0.6)'
}),
stroke: new ol.style.Stroke({
color: 'rgba(0,0,0,0.8)',
width: 3
})
})
});
var selectedTextStyleFunction = function(name) {
return new ol.style.Style({
text: new ol.style.Text({
font: '14px helvetica,sans-serif',
text: name,
fill: new ol.style.Fill({
color: '#000'
}),
stroke: new ol.style.Stroke({
color: '#fff',
width: 2
})
})
});
};
// style function for the Liston routes lines
var function_liston_routes = function(feature, resolution) {
var geometry = feature.getGeometry();
var linestring_width = 4;
var linedash = [3, 5,3,5];
if(resolution>1000) {
linestring_width = 3;
linedash = [1,1];
}
else if(resolution<1000) {
linestring_width = 4;
linedash = [3, 5,3,5];
}
var styles = [
// linestring
new ol.style.Style({
stroke: new ol.style.Stroke({
color: feature.get('Color'),
width: linestring_width,
lineDash: linedash,
})
})
];
var arrowimage = feature.get('arrow');
if(resolution>=1000) {
arrowimage = 'https://digital.nls.uk/travels-of-henrietta-liston/map/img/none.png';
}
geometry.forEachSegment(function(start, end) {
var dx = end[0] - start[0];
var dy = end[1] - start[1];
var rotation = Math.atan2(dy, dx);
// arrows
styles.push(new ol.style.Style({
geometry: new ol.geom.Point(end),
image: new ol.style.Icon({
src: arrowimage,
anchor: [1.2, 0.5],
rotateWithView: false,
opacity: 0.8,
rotation: -rotation
})
}));
});
return styles;
};
var liston_routes = new ol.layer.Vector({
source: new ol.source.Vector({
// url: 'https://geo.nls.uk/maps/dev/liston/scripts/all_routes.js',
url: 'https://digital.nls.uk/travels-of-henrietta-liston/map/scripts/all_routes.js',
format: new ol.format.GeoJSON(),
}),
style: function_liston_routes
// maxResolution: 305.748113140705
});
// styles for each of the Liston tours
var StyleFunction_liston_tour_1 = function(feature, resolution) {
var radius_tour_1 = '7';
var strokewidth = '2.5';
if(resolution>5000) {
radius_tour_1 = '2';
strokewidth = '1';
}
else if(resolution>2000) {
radius_tour_1 = '5';
strokewidth = '2';
}
return [new ol.style.Style({
image: new ol.style.Circle({
radius: radius_tour_1,
fill: new ol.style.Fill({
color: 'rgba(239, 66, 233,0.6)',
}),
stroke: new ol.style.Stroke({
color: 'rgba(0, 0, 0, 0.9)',
width: strokewidth
})
})
})];
};
var liston_tour_1 = new ol.layer.Vector({
source: new ol.source.Vector({
// url: 'https://geo.nls.uk/maps/dev/liston/scripts/1_North_America_1796.js',
url: 'https://digital.nls.uk/travels-of-henrietta-liston/map/scripts/1_North_America_1796.js',
format: new ol.format.GeoJSON(),
}),
style: StyleFunction_liston_tour_1
});
var liston_line_1 = new ol.layer.Vector({
source: new ol.source.Vector({
// url: 'https://geo.nls.uk/maps/dev/liston/scripts/1_North_America_1796_route.js',
url: 'https://digital.nls.uk/travels-of-henrietta-liston/map/scripts/1_North_America_1796_route.js',
format: new ol.format.GeoJSON(),
}),
style: function_liston_routes
// maxResolution: 305.748113140705
});
// liston_tour_1 Group - liston_tour_1 itinerary and point circles together
var liston_tour_1_group = new ol.layer.Group({
title: 'North America, 1796',
color:'#FF0000',
group_no: '',
mosaic_id: '1',
layers: [liston_line_1, liston_tour_1],
minx: -78.1633,
miny: 38.708,
maxx: -73.9868,
maxy: 40.732
});
var StyleFunction_liston_tour_2 = function(feature, resolution) {
var radius_tour_2 = '7';
var strokewidth = '2.5';
if(resolution>5000) {
radius_tour_2 = '2';
strokewidth = '1';
}
else if(resolution>2000) {
radius_tour_2 = '5';
strokewidth = '2';
}
return [new ol.style.Style({
image: new ol.style.Circle({
radius: radius_tour_2,
fill: new ol.style.Fill({
color: 'rgba(51, 119, 255, 0.5)',
}),
stroke: new ol.style.Stroke({
color: 'rgba(0, 0, 0, 0.9)' ,
width: strokewidth
})
})
})];
};
var liston_tour_2 = new ol.layer.Vector({
source: new ol.source.Vector({
// url: 'https://geo.nls.uk/maps/dev/liston/scripts/2_Southern_States.js',
url: 'https://digital.nls.uk/travels-of-henrietta-liston/map/scripts/2_Southern_States.js',
format: new ol.format.GeoJSON(),
}),
style: StyleFunction_liston_tour_2
});
var liston_line_2 = new ol.layer.Vector({
source: new ol.source.Vector({
// url: 'https://geo.nls.uk/maps/dev/liston/scripts/2_Southern_States_route.js',
url: 'https://digital.nls.uk/travels-of-henrietta-liston/map/scripts/2_Southern_States_route.js',
format: new ol.format.GeoJSON(),
}),
style: function_liston_routes
// maxResolution: 305.748113140705
});
// liston_tour_1 Group - liston_tour_1 itinerary and point circles together
var liston_tour_2_group = new ol.layer.Group({
title: 'Tour to Southern States, 1797-8',
color:'#FF0000',
group_no: '',
mosaic_id: '2',
layers: [liston_line_2, liston_tour_2],
minx: -80.8923,
miny: 32.7765,
maxx: -75.1516,
maxy: 39.9525
});
var StyleFunction_liston_tour_3 = function(feature, resolution) {
var radius_tour_3 = '7';
var strokewidth = '2.5';
if(resolution>5000) {
radius_tour_3 = '2';
strokewidth = '1';
}
else if(resolution>2000) {
radius_tour_3 = '5';
strokewidth = '2';
}
return [new ol.style.Style({
image: new ol.style.Circle({
radius: radius_tour_3,
fill: new ol.style.Fill({
color: 'rgba(0, 102, 0, 0.4)',
}),
stroke: new ol.style.Stroke({
color: 'rgba(0, 0, 0, 0.9)' ,
width: strokewidth
})
})
})];
};
var liston_tour_3 = new ol.layer.Vector({
source: new ol.source.Vector({
// url: 'https://geo.nls.uk/maps/dev/liston/scripts/3_NewYorkandEasternStates.js',
url: 'https://digital.nls.uk/travels-of-henrietta-liston/map/scripts/3_NewYorkandEasternStates.js',
format: new ol.format.GeoJSON(),
}),
style: StyleFunction_liston_tour_3
});
var liston_line_3 = new ol.layer.Vector({
source: new ol.source.Vector({
// url: 'https://geo.nls.uk/maps/dev/liston/scripts/3_NewYorkandEasternStates_route.js',
url: 'https://digital.nls.uk/travels-of-henrietta-liston/map/scripts/3_NewYorkandEasternStates_route.js',
format: new ol.format.GeoJSON(),
}),
style: function_liston_routes
// maxResolution: 305.748113140705
});
var liston_tour_3_group = new ol.layer.Group({
title: 'New York & Eastern States, 1798',
color:'#FF0000',
group_no: '',
mosaic_id: '3',
layers: [liston_line_3, liston_tour_3],
minx: -75.1516,
miny: 39.9525,
maxx: -70.2553,
maxy: 43.6615
});
var StyleFunction_liston_tour_4 = function(feature, resolution) {
var radius_tour_4 = '7';
var strokewidth = '2.5';
if(resolution>5000) {
radius_tour_4 = '2';
strokewidth = '1';
}
else if(resolution>2000) {
radius_tour_4 = '5';
strokewidth = '2';
}
return [new ol.style.Style({
image: new ol.style.Circle({
radius: radius_tour_4,
fill: new ol.style.Fill({
color: 'rgba(255, 0, 102, 0.4)',
}),