amche-layer-config.js

let layersConfig = [
    {
        id: 'streetmap',
        title: 'Street Map रस्त्याचो नकासो',
        description: 'Detailed street map sourced from <a href="https://www.openstreetmap.org/#map=11/15.4054/73.9280" target="_blank">OpenStreetMap contributors</a> and other data sources via <a href="https://docs.mapbox.com/data/tilesets/reference/mapbox-streets-v8/" target="_blank">Mapbox Streets</a> vector tiles.',
        type: 'style',
        headerImage: 'assets/map-layer-streetmap.png',
        initiallyChecked: true,
        layers: [
            { title: 'Places', sourceLayer: 'place_label' },
            { title: 'Landmarks', sourceLayer: 'poi_label' },
            { title: 'Buildings', sourceLayer: 'building' },
            { title: 'Structures', sourceLayer: 'structure' },
            { title: 'Roads', sourceLayer: 'road' },
            { title: 'Hillshading', sourceLayer: 'hillshade' },
            { title: 'Landcover', sourceLayer: 'landcover' },
            { title: 'Landuse', sourceLayer: 'landuse' },
            { title: 'Wetlands & National Parks', sourceLayer: 'landuse_overlay' },
            { title: 'Waterways', sourceLayer: 'waterway' },
            { title: 'Waterbodies', sourceLayer: 'water' },
        ]
    },
    {
        title: 'Community Pins',
        description: 'Pin your notes on the map for the rest of the community to see',
        headerImage: 'assets/map-layer-pins.png',
        type: 'markers',
        id: 'community-pins',
        dataUrl: 'https://docs.google.com/spreadsheets/d/1Y0l4aSIdks8G3lmxSxSKxuzLoARL-FCiYbTL9a0b3O0/gviz/tq?tqx=out:json&tq&gid=0',
        attribution: 'Collected by amche.in | <a href="https://docs.google.com/spreadsheets/d/1Y0l4aSIdks8G3lmxSxSKxuzLoARL-FCiYbTL9a0b3O0/edit?resourcekey=&gid=485622101#gid=485622101">View Source Spreadsheet</a>',
        style: {
            'circle-color': '#FF4136',
            'circle-radius': 8
        },
        inspect: {
            title: 'Pin Details',
            label: 'name',
            fields: ['Location Name', 'Additional Notes (optional)', 'Timestamp_ago'],
            fieldTitles: ['Name', 'Notes', 'Added'],
        }
    },

    {
        title: 'Cadastral Plot Boundaries',
        description: 'Cadastral Boundaries from the <a href="https://landrecords.karnataka.gov.in/Service2/">Department of Land Records</a>. The map is provided for information purpose only.',
        headerImage: 'assets/map-layer-survey.png',
        type: 'vector',
        id: 'plot',
        url: 'https://indianopenmaps.fly.dev/not-so-open/cadastrals/karnataka/kgismaps/{z}/{x}/{y}.pbf',
        sourceLayer: 'KGISMAPS_KN_Cadastrals',
        maxzoom: 13,
        attribution: '<a href="https://kgis.ksrsac.in/kgis1/portal.aspx">KGISMAPS Karnataka Cadastrals</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'text-font': ['Open Sans Bold'],
            'text-field': [
                "step",
                ["zoom"],
                "",
                12,
                [
                    "to-string",
                    ['get', 'surveynumberi']
                ]
            ],
            'text-color': 'black',
            'text-halo-color': 'white',
            'text-halo-width': .5,
            'text-halo-blur': 1,
            'text-size': 13,
            'fill-color': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, 'rgba(0, 0, 0, 0.05)',
                13, 'rgba(0, 0, 0, 0.1)'
            ],
            'line-color': 'black',
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    2,
                    ['boolean', ['feature-state', 'hover'], false],
                    1.5,
                    0
                ],
                13, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    6,
                    ['boolean', ['feature-state', 'hover'], false],
                    5,
                    .5
                ]
            ]
        },
        initiallyChecked: true,
        inspect: {
            id: 'KGISCadastralID',
            title: 'Survey Number',
            label: 'surveynumberi',
            fields: ['VillageNam', 'TalNam', 'KGISVillageCode'],
            fieldTitles: ['Village', 'Taluk', 'Village Code'],
            customHtml: '<a href="https://landrecords.karnataka.gov.in/Service2/" target="_blank">View ROR in Bhoomi Online</a>'
        }
    },


    {
        id: 'village',
        title: 'Village Boundaries',
        headerImage: 'assets/map-layer-village.png',
        description: 'Revenue village boundaries with <a href="https://lgdirectory.gov.in/" target="_blank">Local Government Directory</a> attributes.',
        type: 'vector',
        url: 'https://indianopenmaps.fly.dev/not-so-open/villages/lgd/{z}/{x}/{y}.pbf ',
        sourceLayer: 'LGD_Villages',
        maxzoom: 10,
        attribution: '<a href="https://mapservice.gov.in/gismapservice/rest/services/BharatMapService/Village_Boundary/MapServer/0">NIC Bharatmaps GIS</a>, <a href="https://lgdirectory.gov.in/" target="_blank">Local Government Directory, Ministry of Panchayati Raj</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'text-field': ['get', 'vilnam_soi'],
            'text-color': 'white',
            'text-halo-color': 'black',
            'text-halo-width': 5,
            'text-size': 13,
            'fill-color': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, 'rgba(0, 0, 0, 0)',
                12, 'rgba(0, 0, 0, 0.1)'
            ],
            'line-color': 'black',
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    1.5,
                    ['boolean', ['feature-state', 'hover'], false],
                    1,
                    0
                ],
                12, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    3,
                    ['boolean', ['feature-state', 'hover'], false],
                    2,
                    1
                ]
            ]
        },
        inspect: {
            title: 'Village',
            label: 'vilnam_soi',
            id: 'OBJECTID',
            fields: ['vil_lgd', 'gp_name', 'block_name', 'sdtname', 'dtname'],
            fieldTitles: ['Village Code', 'Gram Panchayat', 'Block', 'Sub District', 'District']
        }
    },
    {
        id: 'municipal-wards',
        title: 'Municipal Ward Boundaries',
        headerImage: 'assets/map-layer-ulb-wards.png',
        description: 'Ward boundaries for Panaji Municipal Corporation and Municipal Councils (partial coverage)',
        type: 'vector',
        url: 'https://indianopenmaps.fly.dev/not-so-open/urban/wards/sbm/{z}/{x}/{y}.pbf',
        sourceLayer: 'SBM_Wards',
        maxzoom: 12,
        attribution: '<a href="https://sbm-g-esriindia1.hub.arcgis.com/">Swachh Bharat Mission GIS</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'text-field': ['get', 'wardcode'],
            'text-color': 'white',
            'text-halo-color': 'purple',
            'text-halo-width': 5,
            'text-size': 13,
            'fill-color': [
                'interpolate',
                ['linear'],
                ['zoom'],
                16, 'rgba(0, 0, 0, 0.05)',
                18, 'rgba(0, 0, 0, 0.1)'
            ],
            'line-color': 'hsl(278, 82%, 57%)',
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                12, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    4,
                    ['boolean', ['feature-state', 'hover'], false],
                    4,
                    1
                ],
                18, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    6,
                    ['boolean', ['feature-state', 'hover'], false],
                    5,
                    3
                ]
            ]
        },
        inspect: {
            title: 'Ward Number',
            label: 'wardcode',
            id: 'objectid',
            fields: ['ulbname'],
            fieldTitles: ['Urban Local Body']
        }
    },
    {
        title: 'Local Body Boundaries',
        description: 'Municipal and Panchayat local body boundaries. Please see <a href="https://grammanchitra.gov.in/gm4MVC" target="_blank">Gramanchiitra</a> for panchayat demographic profile and information on elected representatives.',
        headerImage: 'assets/map-layer-local-boundaries.png',
        type: 'vector',
        id: 'local-body',
        url: 'https://indianopenmaps.fly.dev/not-so-open/panchayats/lgd/{z}/{x}/{y}.pbf',
        sourceLayer: 'LGD_Panchayats',
        maxzoom: 10,
        attribution: '<a href="https://bharatmaps.gov.in/BharatMaps/Home/Map">LGD/Bharatmaps</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        initiallyChecked: true,
        style: {
            'text-field': ['get', 'gp_name'],
            'text-color': 'white',
            'text-halo-color': 'purple',
            'text-halo-width': 5,
            'text-size': 14,
            'fill-color': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, 'rgba(0, 0, 0, 0)',
                12, 'rgba(0, 0, 0, 0.1)'
            ],
            'line-color': 'purple',
            'line-dasharray': [6, 6],
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    1.5,
                    ['boolean', ['feature-state', 'hover'], false],
                    1,
                    .1
                ],
                12, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    3.5,
                    ['boolean', ['feature-state', 'hover'], false],
                    2.5,
                    1.5
                ]
            ],
        },
        inspect: {
            title: 'Local Body Name',
            label: 'gp_name',
            id: 'OBJECTID',
            fields: ['vilname11', 'blkname', 'sdtname', 'dtname', 'stname'],
            fieldTitles: ['Village', 'Block', 'Sub District', 'District', 'State']
        }
    },
    {
        title: 'Assembly Constituencies',
        description: 'Members of Legislative Assembly (MLA) constituencies.',
        headerImage: 'assets/map-layer-assembly-boundaries.png',
        type: 'vector',
        id: 'assembly-constituencies',
        url: 'https://indianopenmaps.fly.dev/not-so-open/constituencies/assembly/lgd/{z}/{x}/{y}.pbf ',
        sourceLayer: 'LGD_Assembly_Constituencies',
        maxzoom: 10,
        attribution: '<a href="https://mapservice.gov.in/gismapservice/rest/services/BharatMapService/AC_PC/MapServer/2">LGD/Bharatmaps/ECI</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'text-field': ['get', 'ac_name'],
            'text-color': 'white',
            'text-halo-color': 'blue',
            'text-halo-width': 5,
            'text-size': 15,
            'fill-color': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, 'rgba(0, 0, 0, 0)',
                12, 'rgba(0, 0, 0, 0.1)'
            ],
            'line-color': 'blue',
            'line-dasharray': [6, 6],
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    1.5,
                    ['boolean', ['feature-state', 'hover'], false],
                    1,
                    .1
                ],
                12, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    3.5,
                    ['boolean', ['feature-state', 'hover'], false],
                    2.5,
                    1.5
                ]
            ],
        },
        inspect: {
            title: 'Name',
            label: 'ac_name',
            id: 'OBJECTID',
            fields: ['AC_ID', 'pc_name', 'dist_name', 'st_name'],
            fieldTitles: ['Constituency Code', 'Parliamentary Constituency', 'District', 'State']
        }
    },
    {
        title: 'Parliamentary Constituencies',
        description: 'Members of Parliament (MP) constituencies',
        headerImage: 'assets/map-layer-parliament-boundaries.png',
        type: 'vector',
        id: 'parliamentary-constituencies',
        url: 'https://indianopenmaps.fly.dev/not-so-open/constituencies/parliament/lgd/{z}/{x}/{y}.pbf ',
        sourceLayer: 'LGD_Parliament_Constituencies',
        maxzoom: 10,
        attribution: '<a href="https://mapservice.gov.in/gismapservice/rest/services/BharatMapService/AC_PC/MapServer/1">LGD/Bharatmaps/ECI</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'text-field': ['get', 'pc_name'],
            'text-color': 'white',
            'text-halo-color': 'blue',
            'text-halo-width': 5,
            'text-size': 18,
            'fill-color': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, 'rgba(0, 0, 0, 0)',
                12, 'rgba(0, 0, 0, 0.1)'
            ],
            'line-color': 'blue',
            'line-dasharray': [6, 6],
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    4,
                    ['boolean', ['feature-state', 'hover'], false],
                    4,
                    3
                ],
                12, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    6,
                    ['boolean', ['feature-state', 'hover'], false],
                    6,
                    5
                ]
            ],
        },
        inspect: {
            title: 'Name',
            label: 'pc_name',
            id: 'OBJECTID',
            fields: ['dist_name', 'st_name'],
            fieldTitles: ['District', 'State']
        }
    },
    {
        title: 'Rivers',
        description: 'Rivers and streams with stream order',
        headerImage: 'assets/map-layer-rivers.png',
        type: 'vector',
        id: 'rivers',
        url: 'https://indianopenmaps.fly.dev/streams/wris/{z}/{x}/{y}.pbf',
        sourceLayer: 'wris_streams',
        maxzoom: 11,
        attribution: '<a href="https://indiawris.gov.in/wris/">India WRIS</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'line-color': '#0084f7',
            'line-opacity': 0.8,
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                8, [
                    'case',
                    ['has', 'ordsh'],
                    ['*', 0.5, ['to-number', ['get', 'ordsh']]],
                    0  // default width for undefined stream order
                ],
                14, [
                    'case',
                    ['has', 'ordsh'],
                    ['*', 2, ['to-number', ['get', 'ordsh']]],
                    1  // default width for undefined stream order
                ],
                18, [
                    'case',
                    ['has', 'ordsh'],
                    ['*', 1, ['to-number', ['get', 'ordsh']]],
                    1  // default width for undefined stream order
                ]
            ]
        },
        inspect: {
            title: 'Name',
            label: 'rivname',
            fields: ['bacode', 'ordsh'],
            fieldTitles: ['Basin Code', 'Stream Order']
        }
    },
    {
        id: 'watershed',
        title: 'Watershed Boundaries',
        headerImage: 'assets/map-layer-watersheds.png',
        description: 'Watershed Boundaries',
        type: 'vector',
        url: 'https://indianopenmaps.fly.dev/watersheds/wris/{z}/{x}/{y}.pbf',
        sourceLayer: 'wris_watershed',
        maxzoom: 10,
        attribution: '<a href="https://indiawris.gov.in/wris/#/riverBasins">India Water Resources Information System, Ministry of Jal Shakti</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'fill-color': 'rgba(0, 0, 0, 0)',
            'line-color': 'blue',
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                12, 5,
                18, 9
            ]
        },
        inspect: {
            id: 'objectid',
            title: 'Watershed Code',
            label: 'wsconc'
        }
    },
    {
        id: 'micro-watersheds',
        title: 'Micro Watershed Boundaries',
        headerImage: 'assets/map-layer-micro-watersheds.png',
        description: 'Micro Watershed Boundaries',
        type: 'vector',
        url: 'https://indianopenmaps.fly.dev/micro-watersheds/priorities/slusi/{z}/{x}/{y}.pbf',
        sourceLayer: 'SLUSI_Priority_MicroWatersheds',
        maxzoom: 10,
        attribution: '<a href="https://soilhealth.dac.gov.in/slusi-visualisation/">Soil and Land Use Survey of India, Ministry of Agriculture and Farmers Welfare</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'fill-color': [
                'match',
                ['get', 'Priority'],
                'Very High', 'rgba(255, 0, 0, 0.8)',      // Bright red - most visible
                'High', 'rgba(255, 140, 0, 0.7)',         // Orange
                'Medium', 'rgba(255, 255, 0, 0.6)',       // Yellow
                'Low', 'rgba(144, 238, 144, 0.5)',        // Light green
                'Very Low', 'rgba(0, 100, 0, 0.4)',       // Dark green - least visible
                'rgba(128, 128, 128, 0.5)'                // Default gray for unknown values
            ],
            'fill-opacity': 0.4,
            'line-color': 'blue',
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                12, 2,
                18, 4
            ]
        },
        inspect: {
            title: 'Micro Watershed Code',
            label: 'HYDRO_UNIT',
            fields: ['Priority'],
            fieldTitles: ['Watershed Priority']
        }
    },
    {
        title: 'Reserve Forests',
        description: 'Forest beat boundaries',
        headerImage: 'assets/map-layer-forest.png',
        type: 'vector',
        id: 'forests',
        url: 'https://indianopenmaps.fly.dev/not-so-open/forests/beats/fsi/{z}/{x}/{y}.pbf',
        sourceLayer: 'FSI_Beats',
        maxzoom: 11,
        attribution: '<a href="https://bharatmaps.gov.in/BharatMaps/Home/Map">Bharatmaps/Forest Survey of India</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'line-color': '#006400',
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                14, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    4,
                    ['boolean', ['feature-state', 'hover'], false],
                    3,
                    1
                ],
                18, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    8,
                    ['boolean', ['feature-state', 'hover'], false],
                    5,
                    2
                ]
            ],
            'fill-color': 'green',
            'fill-opacity': 0.7
        },
        inspect: {
            id: 'OBJECTID_12',
            title: 'Forest Range',
            label: 'Beat_Name',
            fields: ['Range'],
        }
    },
    {
        title: 'Mining Leases',
        description: 'Major mining lease boundaries',
        headerImage: 'assets/map-layer-mines.png',
        type: 'vector',
        id: 'mining',
        url: ' https://indianopenmaps.fly.dev/not-so-open/mining/leases/major/ncog/{z}/{x}/{y}.pbf',
        sourceLayer: 'NCOG_Major_Mining_Leases',
        maxzoom: 11,
        attribution: '<a href="https://mss.ncog.gov.in/login">National Centre of Geo-Informatics(NCOG) Mining Surveillance System</a> - Collected by <a href="https://datameet.org">Datameet Community</a>',
        style: {
            'text-field': [
                "step",
                ["zoom"],
                [
                    "to-string",
                    ['get', 'mineral_na']
                ],
                12,
                ["concat",
                    [
                        "to-string",
                        ['get', 'mine_name']
                    ],
                    '\n',
                    [
                        "to-string",
                        ['get', 'mineral_na']
                    ]]
                ,
                15,
                ["concat",
                    'LEASEE:',
                    '\n',
                    [
                        "to-string",
                        ['get', 'name_of_le']
                    ]

                ]
            ],
            'text-color': [
                'match',
                ['get', 'mineral_na'],
                'Gold',
                'black',
                'white'  // default color for all other cases
            ],
            'text-halo-color': [
                'match',
                ['get', 'mineral_na'],
                ['Iron Ore', 'Iron'],
                'brown',
                ['Bauxite'],
                'blue',
                ['Mangenese', 'Manganese', 'Mangnese Ore'],
                'magenta',
                ['Gold'],
                'gold',
                ['Magnesite'],
                'red',
                ['Limestone', 'Limeshell'],
                'green',
                'black'  // default color for all other cases
            ],
            'text-halo-width': 2,
            'text-size': 14,
            'line-color': [
                'match',
                ['get', 'mineral_na'],
                ['Iron Ore', 'Iron'],
                'brown',
                ['Bauxite'],
                'blue',
                ['Mangenese', 'Manganese', 'Mangnese Ore'],
                'magenta',
                ['Gold'],
                'gold',
                ['Magnesite'],
                'red',
                ['Limestone', 'Limeshell'],
                'green',
                'black'  // default color for all other cases
            ],
            'line-width': [
                'interpolate',
                ['linear'],
                ['zoom'],
                14, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    4,
                    ['boolean', ['feature-state', 'hover'], false],
                    3,
                    1
                ],
                18, [
                    'case',
                    ['boolean', ['feature-state', 'selected'], false],
                    8,
                    ['boolean', ['feature-state', 'hover'], false],
                    5,
                    2
                ]
            ],
            'fill-color': [
                'match',
                ['get', 'mineral_na'],
                ['Iron Ore', 'Iron'],
                'brown',
                ['Bauxite'],
                'blue',
                ['Mangenese', 'Manganese', 'Mangnese Ore'],
                'magenta',
                ['Gold'],
                'gold',
                ['Magnesite'],
                'red',
                ['Limestone', 'Limeshell'],
                'green',
                'black'  // default color for all other cases
            ],
            'fill-opacity': 0.4
        },
        inspect: {
            id: 'mine_code',
            title: 'Mine Name',
            label: 'mine_name',
            fields: ['mineral_na', 'name_of_le', 'reg_no', 'vil_name11', 'mine_code'],
            fieldTitles: ['Mineral Name', 'Name of Leasee', 'Registration Number', 'Village Name', 'Mine Code']
        }
    },
    {
        title: 'Bengaluru Masterplan',
        description: 'USE AT YOUR OWN RISK. The proposed landuse maps of the <a href="https://bdabangalore.org/uploads/files/TPM_Documents/BangaloreMasterPlan2015_VisionDocument.pdf">Revised Master Plan 2015 of Bengaluru</a> prepared by <a href="https://eng.bdabangalore.org/town-planning-section.html">Bangalore Development Authority (BDA)</a>. See <a href="https://eng.bdabangalore.org/uploads/files/EODB/Additional%20document/Zonal%20Regulation%202007.pdf">zoning and landuse regulations</a> for more information',
        headerImage: 'assets/map-layer-community-maps.png',
        type: 'tms',
        id: 'bda-masterplan',
        url: 'https://mapwarper.net/mosaics/tile/2147/{z}/{x}/{y}.png',
        attribution: '<a href="https://bdabangalore.org/ಪರಿಷ್ಕೃತ-ಮಹಾಯೋಜನೆ-2015.html">Bengaluru RMP 2015 PLU</a> georeferenced via <a href="https://mapwarper.net/layers/2147">Mapwarper</a>'
    },
    {
        title: 'SOI Toposheets',
        description: 'Survey of India',
        headerImage: 'assets/map-layer-soi.png',
        legendImage: 'assets/map-layer-soi-legend.png',
        type: 'tms',
        id: 'goa-soi-map',
        url: 'https://indianopenmaps.fly.dev/soi/osm/{z}/{x}/{y}.webp',
        attribution: '<a href="https://onlinemaps.surveyofindia.gov.in/FreeMapSpecification.aspx">Open Series Toposheets from Survey of India</a>',
    },
    {
        id: 'osm',
        title: 'OpenStreetMap',
        description: 'OpenStreetMap Data',
        headerImage: 'assets/map-layer-osm.png',
        type: 'tms',
        url: 'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
        description: 'Map data contributed by the <a href="https://www.openstreetmap.in/">OpenStreetMap India Community.',
        attribution: '© OpenStreetMap contributors'
    },
    {
        title: '3D Terrain',
        description: 'Terrain Controls',
        headerImage: 'assets/map-layer-terrain.png',
        type: 'terrain',
        initiallyChecked: true
    }
];