(function(){
        // Global array to track dynamically added dashed layers.
        window.customDashedLayers = window.customDashedLayers || [];
        // Global object to track event attachments.
        window.layerEventsAttached = window.layerEventsAttached || {};

        // ----------------- Adding Layers for gb25_v2_track -----------------

        // GeoJSON URL for surface
        var urlSurface_gb25_v2_track_1 = './application/helpers/prefetch.surface.php?r=gb25_v2_track.geojson&light='+slowMobileConnection+'&fingerprint=GtcAeqzOjIKkOA2SGFMf6pK55TJChcbE_mod_1746543669';
        
        // Add GeoJSON Source if it doesn't already exist.
        if (!map.getSource('surface_gb25_v2_track')) {
            map.addSource('surface_gb25_v2_track', {
                type: 'geojson',
                data: urlSurface_gb25_v2_track_1            });
        }

        // ----------------- Shadow Layer -----------------
        var shadowLayerId_gb25_v2_track = 'surface_gb25_v2_track_1';
        if (!map.getLayer(shadowLayerId_gb25_v2_track)) {
            map.addLayer({
                "id": shadowLayerId_gb25_v2_track,
                "type": "line",
                "source": "surface_gb25_v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "butt"
                },
                "paint": {
                    "line-color": "rgba(255, 255, 255, 0.6)",
                    "line-width": 6
                }
            });
        }
        
        // ----------------- Track Layer -----------------
        var trackLayerId_gb25_v2_track = 'surface_gb25_v2_track_2';
        if (!map.getLayer(trackLayerId_gb25_v2_track)) {
            map.addLayer({
                "id": trackLayerId_gb25_v2_track,
                "type": "line",
                "source": "surface_gb25_v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "butt"
                },
                "paint": {
                    "line-color": "#551a8b",
                    "line-width": 4
                }
            });
        }
        
        // ----------------- Default Dashed Layer -----------------
        var dashedLayerId_gb25_v2_track_3_default = 'dashed_gb25_v2_track_3_default';
                if (!map.getLayer(dashedLayerId_gb25_v2_track_3_default)) {
            map.addLayer({
                "id": dashedLayerId_gb25_v2_track_3_default,
                "type": "line",
                "source": "surface_gb25_v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color":"#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6, 1, 6]
                },
                "filter": ["any",["!has","tracktype"],["all",["!=","tracktype","Grade 1"],["!=","tracktype","Grade 2"],["!=","tracktype","Grade 3"],["!=","tracktype","Grade 4"],["!=","tracktype","Grade 5"]]]            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_v2_track_3_default
            });
        }
        
        // ----------------- Dashed Layers for All Grades -----------------
                var dashedLayerId_gb25_v2_track_4_Grade_1 = 'dashed_gb25_v2_track_4_Grade_1';
        if (!map.getLayer(dashedLayerId_gb25_v2_track_4_Grade_1)) {
            map.addLayer({
                "id": dashedLayerId_gb25_v2_track_4_Grade_1,
                "type": "line",
                "source": "surface_gb25_v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 1"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_v2_track_4_Grade_1            });
        }
                var dashedLayerId_gb25_v2_track_5_Grade_2 = 'dashed_gb25_v2_track_5_Grade_2';
        if (!map.getLayer(dashedLayerId_gb25_v2_track_5_Grade_2)) {
            map.addLayer({
                "id": dashedLayerId_gb25_v2_track_5_Grade_2,
                "type": "line",
                "source": "surface_gb25_v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 2"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_v2_track_5_Grade_2            });
        }
                var dashedLayerId_gb25_v2_track_6_Grade_3 = 'dashed_gb25_v2_track_6_Grade_3';
        if (!map.getLayer(dashedLayerId_gb25_v2_track_6_Grade_3)) {
            map.addLayer({
                "id": dashedLayerId_gb25_v2_track_6_Grade_3,
                "type": "line",
                "source": "surface_gb25_v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 3"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_v2_track_6_Grade_3            });
        }
                var dashedLayerId_gb25_v2_track_7_Grade_4 = 'dashed_gb25_v2_track_7_Grade_4';
        if (!map.getLayer(dashedLayerId_gb25_v2_track_7_Grade_4)) {
            map.addLayer({
                "id": dashedLayerId_gb25_v2_track_7_Grade_4,
                "type": "line",
                "source": "surface_gb25_v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 4"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_v2_track_7_Grade_4            });
        }
                var dashedLayerId_gb25_v2_track_8_Grade_5 = 'dashed_gb25_v2_track_8_Grade_5';
        if (!map.getLayer(dashedLayerId_gb25_v2_track_8_Grade_5)) {
            map.addLayer({
                "id": dashedLayerId_gb25_v2_track_8_Grade_5,
                "type": "line",
                "source": "surface_gb25_v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 5"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_v2_track_8_Grade_5            });
        }
        
        // ----------------- Hover Events for Shadow Layer -----------------
        if (!window.layerEventsAttached[shadowLayerId_gb25_v2_track]) {
            var previousShadowId_gb25_v2_track = null;
            map.on('mouseenter', shadowLayerId_gb25_v2_track, function(e) {
                var properties = e.features[0].properties;
                var featureId = properties.id || "";
                if (featureId === previousShadowId_gb25_v2_track) return;
                map.setPaintProperty(shadowLayerId_gb25_v2_track, 'line-width', ['match', ['get', 'id'], featureId, 10, 6]);
                previousShadowId_gb25_v2_track = featureId;
            });
            map.on('mouseleave', shadowLayerId_gb25_v2_track, function() {
                if (previousShadowId_gb25_v2_track !== null) {
                    map.setPaintProperty(shadowLayerId_gb25_v2_track, 'line-width', ['match', ['get', 'id'], previousShadowId_gb25_v2_track, 6, 6]);
                    previousShadowId_gb25_v2_track = null;
                }
            });
            window.layerEventsAttached[shadowLayerId_gb25_v2_track] = true;
        }

        // ----------------- Hover Events for Track Layer -----------------
        if (!window.layerEventsAttached[trackLayerId_gb25_v2_track]) {
            var previousTrackId_gb25_v2_track = null;
            map.on('mouseenter', trackLayerId_gb25_v2_track, function(e) {
                var properties = e.features[0].properties;
                var coordinates = e.lngLat;
                var featureId = properties.id || "";
                if (featureId === previousTrackId_gb25_v2_track) return;
                map.setPaintProperty(trackLayerId_gb25_v2_track, 'line-width', ['match', ['get', 'id'], featureId, 6, 4]);
                var content = '';
                if (properties.type === 'unclassified') {
                    properties.surface = 'Unpaved';
                    properties.type = '';
                }
                var contentParts = [];
                if (properties.name) {
                    contentParts.push("<span style='font-family:monospace;'><strong>Name:</strong> " + properties.name + "</span>");
                }
                if (properties.surface) {
                    contentParts.push("<span style='font-family:monospace;'><strong>Surface:</strong> " + properties.surface + "</span>");
                }
                if (properties.type) {
                    contentParts.push("<span style='font-family:monospace;'><strong>Type:</strong> " + properties.type + "</span>");
                }
                if (properties.tracktype) {
                    contentParts.push("<span style='font-family:monospace;'><strong>Track Type:</strong> " + properties.tracktype + "</span>");
                }
                if (contentParts.length > 0) {
                    content = contentParts.join("<br>");
                }
                if(content) {
                    content += "<br><span style='font-family:monospace;'><strong>Length:</strong> " + writeDistance(properties.segmentLength, distanceNotation) + " " + distanceLabel + "</span>";
                }
                if (content) {
                    updateSurfaceTooltip(content, coordinates);
                }
                previousTrackId_gb25_v2_track = featureId;
            });
            map.on('mouseleave', trackLayerId_gb25_v2_track, function () {
                if (previousTrackId_gb25_v2_track !== null) {
                    map.setPaintProperty(trackLayerId_gb25_v2_track, 'line-width', ['match', ['get', 'id'], previousTrackId_gb25_v2_track, 4, 4]);
                    previousTrackId_gb25_v2_track = null;
                }
                hideSurfaceTooltip();
            });
            window.layerEventsAttached[trackLayerId_gb25_v2_track] = true;
        }

        map.on('dragstart', function () {
            hideSurfaceTooltip();
        });

    })();
    (function(){
        // Global array to track dynamically added dashed layers.
        window.customDashedLayers = window.customDashedLayers || [];
        // Global object to track event attachments.
        window.layerEventsAttached = window.layerEventsAttached || {};

        // ----------------- Adding Layers for gb25_330v2_track -----------------

        // GeoJSON URL for surface
        var urlSurface_gb25_330v2_track_9 = './application/helpers/prefetch.surface.php?r=gb25_330v2_track.geojson&light='+slowMobileConnection+'&fingerprint=GtcAeqzOjIKkOA2SGFMf6pK55TJChcbE_mod_1746533606';
        
        // Add GeoJSON Source if it doesn't already exist.
        if (!map.getSource('surface_gb25_330v2_track')) {
            map.addSource('surface_gb25_330v2_track', {
                type: 'geojson',
                data: urlSurface_gb25_330v2_track_9            });
        }

        // ----------------- Shadow Layer -----------------
        var shadowLayerId_gb25_330v2_track = 'surface_gb25_330v2_track_9';
        if (!map.getLayer(shadowLayerId_gb25_330v2_track)) {
            map.addLayer({
                "id": shadowLayerId_gb25_330v2_track,
                "type": "line",
                "source": "surface_gb25_330v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "butt"
                },
                "paint": {
                    "line-color": "rgba(255, 255, 255, 0.6)",
                    "line-width": 6
                }
            });
        }
        
        // ----------------- Track Layer -----------------
        var trackLayerId_gb25_330v2_track = 'surface_gb25_330v2_track_10';
        if (!map.getLayer(trackLayerId_gb25_330v2_track)) {
            map.addLayer({
                "id": trackLayerId_gb25_330v2_track,
                "type": "line",
                "source": "surface_gb25_330v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "butt"
                },
                "paint": {
                    "line-color": "#bf0000",
                    "line-width": 4
                }
            });
        }
        
        // ----------------- Default Dashed Layer -----------------
        var dashedLayerId_gb25_330v2_track_11_default = 'dashed_gb25_330v2_track_11_default';
                if (!map.getLayer(dashedLayerId_gb25_330v2_track_11_default)) {
            map.addLayer({
                "id": dashedLayerId_gb25_330v2_track_11_default,
                "type": "line",
                "source": "surface_gb25_330v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color":"#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6, 1, 6]
                },
                "filter": ["any",["!has","tracktype"],["all",["!=","tracktype","Grade 1"],["!=","tracktype","Grade 2"],["!=","tracktype","Grade 3"],["!=","tracktype","Grade 4"],["!=","tracktype","Grade 5"]]]            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_330v2_track_11_default
            });
        }
        
        // ----------------- Dashed Layers for All Grades -----------------
                var dashedLayerId_gb25_330v2_track_12_Grade_1 = 'dashed_gb25_330v2_track_12_Grade_1';
        if (!map.getLayer(dashedLayerId_gb25_330v2_track_12_Grade_1)) {
            map.addLayer({
                "id": dashedLayerId_gb25_330v2_track_12_Grade_1,
                "type": "line",
                "source": "surface_gb25_330v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 1"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_330v2_track_12_Grade_1            });
        }
                var dashedLayerId_gb25_330v2_track_13_Grade_2 = 'dashed_gb25_330v2_track_13_Grade_2';
        if (!map.getLayer(dashedLayerId_gb25_330v2_track_13_Grade_2)) {
            map.addLayer({
                "id": dashedLayerId_gb25_330v2_track_13_Grade_2,
                "type": "line",
                "source": "surface_gb25_330v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 2"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_330v2_track_13_Grade_2            });
        }
                var dashedLayerId_gb25_330v2_track_14_Grade_3 = 'dashed_gb25_330v2_track_14_Grade_3';
        if (!map.getLayer(dashedLayerId_gb25_330v2_track_14_Grade_3)) {
            map.addLayer({
                "id": dashedLayerId_gb25_330v2_track_14_Grade_3,
                "type": "line",
                "source": "surface_gb25_330v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 3"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_330v2_track_14_Grade_3            });
        }
                var dashedLayerId_gb25_330v2_track_15_Grade_4 = 'dashed_gb25_330v2_track_15_Grade_4';
        if (!map.getLayer(dashedLayerId_gb25_330v2_track_15_Grade_4)) {
            map.addLayer({
                "id": dashedLayerId_gb25_330v2_track_15_Grade_4,
                "type": "line",
                "source": "surface_gb25_330v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 4"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_330v2_track_15_Grade_4            });
        }
                var dashedLayerId_gb25_330v2_track_16_Grade_5 = 'dashed_gb25_330v2_track_16_Grade_5';
        if (!map.getLayer(dashedLayerId_gb25_330v2_track_16_Grade_5)) {
            map.addLayer({
                "id": dashedLayerId_gb25_330v2_track_16_Grade_5,
                "type": "line",
                "source": "surface_gb25_330v2_track",
                "layout": {
                    "line-join": "round",
                    "line-cap": "round"
                },
                "paint": {
                    "line-color": "#ffffff",
                    "line-width": 3,
                    "line-dasharray": [1, 6]
                },
                "filter": ["==", "tracktype", "Grade 5"]
            });
            window.customDashedLayers.push({
                id: dashedLayerId_gb25_330v2_track_16_Grade_5            });
        }
        
        // ----------------- Hover Events for Shadow Layer -----------------
        if (!window.layerEventsAttached[shadowLayerId_gb25_330v2_track]) {
            var previousShadowId_gb25_330v2_track = null;
            map.on('mouseenter', shadowLayerId_gb25_330v2_track, function(e) {
                var properties = e.features[0].properties;
                var featureId = properties.id || "";
                if (featureId === previousShadowId_gb25_330v2_track) return;
                map.setPaintProperty(shadowLayerId_gb25_330v2_track, 'line-width', ['match', ['get', 'id'], featureId, 10, 6]);
                previousShadowId_gb25_330v2_track = featureId;
            });
            map.on('mouseleave', shadowLayerId_gb25_330v2_track, function() {
                if (previousShadowId_gb25_330v2_track !== null) {
                    map.setPaintProperty(shadowLayerId_gb25_330v2_track, 'line-width', ['match', ['get', 'id'], previousShadowId_gb25_330v2_track, 6, 6]);
                    previousShadowId_gb25_330v2_track = null;
                }
            });
            window.layerEventsAttached[shadowLayerId_gb25_330v2_track] = true;
        }

        // ----------------- Hover Events for Track Layer -----------------
        if (!window.layerEventsAttached[trackLayerId_gb25_330v2_track]) {
            var previousTrackId_gb25_330v2_track = null;
            map.on('mouseenter', trackLayerId_gb25_330v2_track, function(e) {
                var properties = e.features[0].properties;
                var coordinates = e.lngLat;
                var featureId = properties.id || "";
                if (featureId === previousTrackId_gb25_330v2_track) return;
                map.setPaintProperty(trackLayerId_gb25_330v2_track, 'line-width', ['match', ['get', 'id'], featureId, 6, 4]);
                var content = '';
                if (properties.type === 'unclassified') {
                    properties.surface = 'Unpaved';
                    properties.type = '';
                }
                var contentParts = [];
                if (properties.name) {
                    contentParts.push("<span style='font-family:monospace;'><strong>Name:</strong> " + properties.name + "</span>");
                }
                if (properties.surface) {
                    contentParts.push("<span style='font-family:monospace;'><strong>Surface:</strong> " + properties.surface + "</span>");
                }
                if (properties.type) {
                    contentParts.push("<span style='font-family:monospace;'><strong>Type:</strong> " + properties.type + "</span>");
                }
                if (properties.tracktype) {
                    contentParts.push("<span style='font-family:monospace;'><strong>Track Type:</strong> " + properties.tracktype + "</span>");
                }
                if (contentParts.length > 0) {
                    content = contentParts.join("<br>");
                }
                if(content) {
                    content += "<br><span style='font-family:monospace;'><strong>Length:</strong> " + writeDistance(properties.segmentLength, distanceNotation) + " " + distanceLabel + "</span>";
                }
                if (content) {
                    updateSurfaceTooltip(content, coordinates);
                }
                previousTrackId_gb25_330v2_track = featureId;
            });
            map.on('mouseleave', trackLayerId_gb25_330v2_track, function () {
                if (previousTrackId_gb25_330v2_track !== null) {
                    map.setPaintProperty(trackLayerId_gb25_330v2_track, 'line-width', ['match', ['get', 'id'], previousTrackId_gb25_330v2_track, 4, 4]);
                    previousTrackId_gb25_330v2_track = null;
                }
                hideSurfaceTooltip();
            });
            window.layerEventsAttached[trackLayerId_gb25_330v2_track] = true;
        }

        map.on('dragstart', function () {
            hideSurfaceTooltip();
        });

    })();