Widget:Karte

<script type="text/javascript" src="https://unpkg.com/leaflet@1.4.0/dist/leaflet.js"></script> <link rel="stylesheet" type="text/css" href="https://unpkg.com/leaflet@1.4.0/dist/leaflet.css">

<style type="text/css"> .ak-map-container { display: flex; }

.ak-map { flex-grow: 1; height: 600px; }

.ak-map-sidebar { box-sizing: border-box; width: 20vw; min-width: 300px; height: 600px; margin: 0 0 0 2em; padding: 1em; border: 1px solid #ced4da; border-radius: 4px; box-shadow: 0px 3px 12px rgba(0,0,0,0.1); overflow-y: auto;

font-family: Arial, sans-serif; color: #495057; }

.ak-map-container fieldset { border: none; padding: 0; margin-bottom: 1.5em; }

.ak-map-container fieldset legend { margin-bottom: 0.75em; padding: 0;

font-weight: 600; }

.ak-map-container label, .ak-map-container input { cursor: pointer; }

.ak-map-layers { list-style: none; margin: 0; padding: 0; }

.ak-map-layers li { border-left-width: 0.5em; border-left-style: solid; padding-left: 0.5em; }

.ak-map-layers li+li { padding-top: 0.5em; }

.ak-map-layer-mittelalter { border-color: #e03131; }

.ak-map-layer-franzoesisch { border-color: #3b5bdb; }

.ak-map-layer-preussisch { border-color: #212529; }

.ak-map-layer-nachkriegszeit { border-color: #adb5bd; }

/* Opacity slider */

input[type=range].ak-map-opacity-slider { -webkit-appearance: none; width: 150px; height: 40px; background: none; }

input[type=range].ak-map-opacity-slider::-webkit-slider-runnable-track { width: 100%; height: 11.4px; border: 1px solid #adb5bd; border-radius: 10px; box-shadow: 0px 3px 12px rgba(0,0,0,0.5); background: linear-gradient(to right, rgb(255,255,255), #ffc078); cursor: pointer; }

input[type=range].ak-map-opacity-slider::-webkit-slider-thumb { width: 26px; height: 26px; margin-top: -8.5px; border: 1px solid #adb5bd; border-radius: 15px; box-shadow: 0px 3px 12px rgba(0,0,0,0.5); background: #ffffff; -webkit-appearance: none; cursor: pointer; }

input[type=range].ak-map-opacity-slider::-moz-range-track { width: 100%; height: 11.4px; border: 1px solid #adb5bd; border-radius: 10px; box-shadow: 0px 3px 12px rgba(0,0,0,0.5); background: linear-gradient(to right, rgb(255,255,255), #ffc078); cursor: pointer; }

input[type=range].ak-map-opacity-slider::-moz-range-thumb { width: 26px; height: 26px; border: 1px solid #adb5bd; border-radius: 15px; box-shadow: 0px 3px 12px rgba(0,0,0,0.5); background: #ffffff; cursor: pointer; }

input[type=range].ak-map-opacity-slider::-ms-track { width: 100%; height: 11.4px; border: 1px solid #adb5bd; border-radius: 10px; background: linear-gradient(to right, rgb(255,255,255), #ffc078); box-sizing: border-box; color: transparent; cursor: pointer; }

input[type=range].ak-map-opacity-slider::-ms-thumb { width: 26px; height: 26px; margin-top: 0px; border: 1px solid #adb5bd; border-radius: 15px; box-shadow: none; background: #ffffff; cursor: pointer; }

input[type=range].ak-map-opacity-slider::-ms-fill-lower, input[type=range].ak-map-opacity-slider::-ms-fill-upper { background: transparent; }

input[type=range].ak-map-opacity-slider::-ms-tooltip { display: none; }

</style>

<script type="text/javascript"> (function () {

L.Control.OpacitySlider = L.Control.extend({ options: { position: "topright", initialValue: 1, className: "ak-map-opacity-slider", label: "Transparenz", opacityLayer: undefined },

onAdd: function(map) { var sliderContainerElement = L.DomUtil.create("div");

var sliderElement = L.DomUtil.create("input", this.options.className); sliderElement.setAttribute("type", "range"); sliderElement.setAttribute("min", "0"); sliderElement.setAttribute("max", "1"); sliderElement.setAttribute("step", "0.1"); sliderElement.setAttribute("value", this.options.initialValue); sliderElement.setAttribute("title", this.options.label); sliderElement.setAttribute("aria-label", this.options.label);

L.DomEvent.on(sliderElement, "input", this._setOpacity.bind(this)); // Necessary for IE10/11 support L.DomEvent.on(sliderElement, "change", this._setOpacity.bind(this)); // Prevent dragging of slider handle from moving the map. L.DomEvent.on(sliderElement, "mousedown", function(event) { map.dragging.disable(); }); L.DomEvent.on(sliderElement, "mouseup", function(event) { map.dragging.enable(); });

this._sliderElement = sliderElement; this._opacityLayer = this.options.opacityLayer;

sliderContainerElement.appendChild(sliderElement); return sliderContainerElement; },

_setOpacity: function() { if (this._opacityLayer) { this._opacityLayer.setOpacity(this._sliderElement.value); } },

setOpacityLayer: function(layer) { this._opacityLayer = layer; this._setOpacity(); } });

L.control.opacitySlider = function(opts) { return new L.Control.OpacitySlider(opts); }

function initMap(mapContainerElement) { if (mapContainerElement.dataset.initialised) { return; } mapContainerElement.dataset.initialised = true;

var mapElement = mapContainerElement.getElementsByClassName("ak-map")[0];

var mapView = L.map(mapElement, { // Bounding box for Köln (<https://www.openstreetmap.org/relation/62578>). maxBounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], }).setView([50.938056, 6.956944], 14);

mapView.on('zoom', function(event) { // For testing purposes and to figure out good min/max zoom levels for new maps. console.log("Zoom:", mapView.getZoom()); });

// Base layers var osmLayer = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { minZoom: 6, maxZoom: 18, attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors' }); var dopLayer = L.tileLayer.wms('https://www.wms.nrw.de/geobasis/wms_nw_dop?', { layers: 'nw_dop_rgb', minZoom: 6, maxZoom: 18, bounds: [ [52.57192795134163, 9.683550865862706], [50.265130303028236, 5.532200974503678] ], version: '1.3.0', attribution: 'Land NRW (2019), dl-de/by-2-0 (<a href="https://www.govdata.de/dl-de/by-2-0">www.govdata.de/dl-de/by-2-0</a>), <a href="https://www.bezreg-koeln.nrw.de/brk_internet/geobasis/luftbilderzeugnisse/digitale_orthophotos/index.html">Datensatz</a>' });

var eras = { mittelalter: { "class": "ak-map-layer-mittelalter", tooltip: "Mittelalter / Freie Reichsstadt / Hansestadt Köln" }, franzoesisch: { "class": "ak-map-layer-franzoesisch", tooltip: "Französisches Köln" }, preussisch: { "class": "ak-map-layer-preussisch", tooltip: "Preußisches Köln" }, nachkriegszeit: { "class": "ak-map-layer-nachkriegszeit", tooltip: "Kriegs-/Nachkriegszeit bis heute" } };

// Historical maps var maps = [ { id: "merian", label: "1641 Merian", tooltip: "Colonia Agrippina - Cölln, 1641, aus: Topographia Germaniae: 6. Topographia Archiepiscopatuum Moguntinensis, Trevirensis et Coloniensis, hrsg. 1645 von Matthäus Merian", era: eras.mittelalter, layer: L.tileLayer('https://mapwarper.net/maps/tile/39783/{z}/{x}/{y}.png', { minZoom: 6, maxZoom: 17, // TODO Restrict bounds even further. bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], attribution: '<a href="https://mapwarper.net/maps/39783">Datensatz</a>' }) }, { id: "stockdale", label: "1800 Stockdale", tooltip: "A Plan of the City of Cologne, 1800, John Stockdale", era: eras.franzoesisch, layer: L.tileLayer('https://mapwarper.net/maps/tile/39780/{z}/{x}/{y}.png', { minZoom: 6, maxZoom: 17, // TODO Restrict bounds even further. bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], attribution: '<a href="https://mapwarper.net/maps/39780">Datensatz</a>' }) }, { id: "tranchot", label: "1801-1828 Tranchot/v. Müffling", tooltip: "1801 - 1828: Kartenaufnahme der Rheinlande 1:25.000; Tranchot/v. Müffling", era: eras.franzoesisch, layer: L.tileLayer.wms('https://www.wms.nrw.de/geobasis/wms_nw_tranchot?', { layers: 'nw_tranchot', minNativeZoom: 12, minZoom: 10, maxZoom: 16, bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], version: '1.3.0', attribution: 'Land NRW (2019), dl-de/by-2-0 (<a href="https://www.govdata.de/dl-de/by-2-0">www.govdata.de/dl-de/by-2-0</a>), <a href="https://www.bezreg-koeln.nrw.de/brk_internet/geobasis/sonstige/historische_karten/1801/index.html">Datensatz</a>' }) }, { id: "vogt", label: "1815 Vogt/Picquet", tooltip: "Grundriss der Stadt Köln 1815, gezeichnet von Vogt, gestochen von Picquet", era: eras.franzoesisch, layer: L.tileLayer('https://mapwarper.net/maps/tile/39826/{z}/{x}/{y}.png', { minZoom: 6, maxZoom: 17, // TODO Restrict bounds even further. bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], attribution: '<a href="https://mapwarper.net/maps/39826">Datensatz</a>' }) }, { id: "uraufnahme", label: "1836-1850 Uraufnahme", tooltip: "1836 - 1850: Preußische Kartenaufnahme 1:25.000; Uraufnahme", era: eras.preussisch, layer: L.tileLayer.wms('https://www.wms.nrw.de/geobasis/wms_nw_uraufnahme?', { layers: 'nw_uraufnahme_gk', minNativeZoom: 14, minZoom: 12, maxZoom: 17, bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], version: '1.3.0', attribution: 'Land NRW (2019), dl-de/by-2-0 (<a href="https://www.govdata.de/dl-de/by-2-0">www.govdata.de/dl-de/by-2-0</a>), <a href="https://www.bezreg-koeln.nrw.de/brk_internet/geobasis/sonstige/historische_karten/1836/index.html">Datensatz</a>' }) }, { id: "neuaufnahme", label: "1891-1912 Neuaufnahme", tooltip: "1891 - 1912: Preußische Kartenaufnahme 1:25.000; Neuaufnahme", era: eras.preussisch, layer: L.tileLayer.wms('https://www.wms.nrw.de/geobasis/wms_nw_neuaufnahme?', { layers: 'nw_neuaufnahme', minNativeZoom: 12, minZoom: 10, maxZoom: 17, bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], // TODO Do I want to provide a way to turn transparency off for these ones? In addition to having the opacity slider it might be nice to be able to just see the map on its own without the base layer backdrop. transparent: true, // Transparency only works with PNGs. format: 'image/png; mode=8bit', version: '1.3.0', attribution: 'Land NRW (2019), dl-de/by-2-0 (<a href="https://www.govdata.de/dl-de/by-2-0">www.govdata.de/dl-de/by-2-0</a>), <a href="https://www.bezreg-koeln.nrw.de/brk_internet/geobasis/sonstige/historische_karten/1891/index.html">Datensatz</a>' }) }, { id: "meyer", label: "1900 Meyer", tooltip: "Meyers Stadtplan von Köln um 1900", era: eras.preussisch, layer: L.tileLayer('https://mapwarper.net/maps/tile/39790/{z}/{x}/{y}.png', { minZoom: 6, maxZoom: 17, // TODO Restrict bounds even further. bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], attribution: '<a href="https://mapwarper.net/maps/39790">Datensatz</a>' }) }, { id: "tk25", label: "1936-1945 TK25", tooltip: "Topographische Karten - ältere Auflagejahre", era: eras.nachkriegszeit, layer: L.tileLayer.wms('https://www.wms.nrw.de/geobasis/wms_nw_tk25_1936-1945?', { layers: 'nw_tk25_1936-1945', minNativeZoom: 15, minZoom: 13, maxZoom: 17, bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], version: '1.3.0', attribution: 'Land NRW (2019), dl-de/by-2-0 (<a href="https://www.govdata.de/dl-de/by-2-0">www.govdata.de/dl-de/by-2-0</a>), <a href="https://www.bezreg-koeln.nrw.de/brk_internet/geobasis/sonstige/topographische_karten_aeltere/index.html">Datensatz</a>' }) }, { id: "hop", label: "1988-1994 Historische Orthophotos", tooltip: "1988-1994 Historische Orthophotos", era: eras.nachkriegszeit, layer: L.tileLayer.wms('https://www.wms.nrw.de/geobasis/wms_nw_histortho_1988-1994?', { layers: 'nw_histortho_1988-1994', minNativeZoom: 15, minZoom: 13, maxZoom: 18, bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], version: '1.3.0', attribution: 'Land NRW (2019), dl-de/by-2-0 (<a href="https://www.govdata.de/dl-de/by-2-0">www.govdata.de/dl-de/by-2-0</a>), <a href="https://www.bezreg-koeln.nrw.de/brk_internet/geobasis/luftbilderzeugnisse/altere_orthophotos/index.html">Datensatz</a>' }) }, { id: "dgk", label: "-2016 Deutsche Grundkarte", tooltip: "Deutsche Grundkarte 1:5.000 (DGK5) – historisch", era: eras.nachkriegszeit, layer: L.tileLayer.wms('https://www.wms.nrw.de/geobasis/wms_nw_dgk5?', { layers: 'nw_dgk5_grundriss', minNativeZoom: 16, minZoom: 13, maxZoom: 18, bounds: [ [50.8304494, 6.7725303], [51.0849743, 7.1620280] ], transparent: true, // Transparency only works with PNGs. format: 'image/png; mode=8bit', version: '1.3.0', attribution: 'Land NRW (2019), dl-de/by-2-0 (<a href="https://www.govdata.de/dl-de/by-2-0">www.govdata.de/dl-de/by-2-0</a>), <a href="https://www.bezreg-koeln.nrw.de/brk_internet/geobasis/sonstige/deutsche_grundkarte/index.html">Datensatz</a>' }) } ];

// TODO Find a way to display the attribution of the layers more clearly. "|" as a separator instead of ",".

// Keeping track of selected layers. Set initially selected ones. var currentMap = maps[0]; var currentBaseLayer = osmLayer;

// Switching between base layers function baseMapSwitcher() { if (this.checked) { currentBaseLayer.remove(); if (this.value === "osm") { currentBaseLayer = osmLayer; } else { currentBaseLayer = dopLayer; } // TODO Funktioniert nicht. currentBaseLayer.options.minZoom = currentMap.layer.minZoom; currentBaseLayer.options.maxZoom = currentMap.layer.maxZoom; currentBaseLayer.addTo(mapView); currentBaseLayer.bringToBack(); } } mapContainerElement.querySelector(".ak-base-map-selection--osm").addEventListener("change", baseMapSwitcher); mapContainerElement.querySelector(".ak-base-map-selection--dop").addEventListener("change", baseMapSwitcher);

// Setting opacity var opacitySliderControl = L.control.opacitySlider({ opacityLayer: currentMap.layer }).addTo(mapView);

// Render radio buttons for historical map switching. var layersListElement = mapContainerElement.querySelector(".ak-map-layers"); maps.forEach(function(map) { var listItemElement = L.DomUtil.create("li", map.era["class"]); listItemElement.setAttribute("title", map.era.tooltip); layersListElement.appendChild(listItemElement); var labelElement = L.DomUtil.create("label"); labelElement.setAttribute("title", map.tooltip); listItemElement.appendChild(labelElement); var inputElement = L.DomUtil.create("input"); inputElement.setAttribute("type", "radio"); inputElement.setAttribute("name", "ak-map-layer-selection"); inputElement.setAttribute("value", map.id); labelElement.appendChild(inputElement); labelElement.appendChild(document.createTextNode(map.label));

if (map === currentMap) { inputElement.checked = true; }

inputElement.addEventListener("change", function() { if (inputElement.checked) { currentMap.layer.remove(); currentMap = map; opacitySliderControl.setOpacityLayer(currentMap.layer); currentMap.layer.addTo(mapView); // TODO check zoom range and bounds of map, adjust mapView accordingly. } }); });

// Show layers. currentBaseLayer.addTo(mapView); currentMap.layer.addTo(mapView); }

// Initialise all found maps when DOM is ready. document.addEventListener("DOMContentLoaded", function(event) { var mapContainerElements = document.getElementsByClassName("ak-map-container"); for(var i = 0; i < mapContainerElements.length; i++) { initMap(mapContainerElements.item(i)); } }); })(); </script>

<form class="ak-map-sidebar" autocomplete="off"> <fieldset> <legend>Basiskarte</legend> <label><input type="radio" class="ak-base-map-selection--osm" name="ak-base-map-selection" value="osm" checked>OpenStreetMap</label> <label><input type="radio" class="ak-base-map-selection--dop" name="ak-base-map-selection" value="dop">Digitale Orthophotos</label> </fieldset> <fieldset> <legend>Historische Karten</legend>

</fieldset> </form>