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cams.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Meteor trajectory viewer</title>
<script src="https://code.jquery.com/jquery-3.5.0.js"></script>
<link rel="shortcut icon" type="image/x-icon" href="favicon.ico" />
<link rel="icon" type="image/x-icon" href="favicon.ico" />
<script src="https://unpkg.com/papaparse@5.3.0/papaparse.min.js"
integrity="sha384-fU3JmTM3BACOkkqkyvCkZsp5gC4snA8QP4b7tOxoRl8duHf6pxMO0g/YlxM4izL3"
crossorigin=""></script>
<link rel="stylesheet" href="mystyle.css" />
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"
integrity="sha512-xodZBNTC5n17Xt2atTPuE1HxjVMSvLVW9ocqUKLsCC5CXdbqCmblAshOMAS6/keqq/sMZMZ19scR4PsZChSR7A=="
crossorigin=""/>
<script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"
integrity="sha512-XQoYMqMTK8LvdxXYG3nZ448hOEQiglfqkJs1NOQV44cWnUrBc8PkAOcXy20w0vlaXaVUearIOBhiXZ5V3ynxwA=="
crossorigin=""></script>
<script src="https://unpkg.com/@mapbox/leaflet-pip@latest/leaflet-pip.js"></script>
<script src="https://unpkg.com/leaflet.locatecontrol@0.72.0/src/L.Control.Locate.js"
integrity="sha384-PSVTmppejJh0R+0VYiO5WfFwPwEhGaGi+vAg+amhVMPBgQIEynPFz44Qw/CzyAgA"
crossorigin=""></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" />
<link rel="stylesheet" href="https://unpkg.com/leaflet.locatecontrol@0.72.0/dist/L.Control.Locate.min.css"
integrity="sha384-vPNGCZwbWwO+u7VXCcmLEJRcz/YmtXGdC3LOF8O4/IvddhfpYZI1O0tJszYkbsD2"
crossorigin="" />
<link rel="stylesheet" href="https://unpkg.com/leaflet.markercluster@1.4.1/dist/MarkerCluster.css"
integrity="sha384-lPzjPsFQL6te2x+VxmV6q1DpRxpRk0tmnl2cpwAO5y04ESyc752tnEWPKDfl1olr"
crossorigin="" />
<script src="https://unpkg.com/leaflet.markercluster@1.4.1/dist/leaflet.markercluster-src.js"
integrity="sha384-N9K+COcUk7tr9O2uHZVp6jl7ueGhWsT+LUKUhd/VpA0svQrQMGArhY8r/u/Pkwih"
crossorigin=""></script>
<script src='//api.tiles.mapbox.com/mapbox.js/plugins/leaflet-omnivore/v0.3.1/leaflet-omnivore.min.js'></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js"></script>
<link href="https://unpkg.com/tabulator-tables@4.9.3/dist/css/tabulator_midnight.min.css" rel="stylesheet" />
<script type="text/javascript" src="https://unpkg.com/tabulator-tables@4.9.3/dist/js/tabulator.min.js"></script>
<script type="text/javascript" src="established.json"></script>
<script>
var mymap;
var meteorLayer;
var fovLayer;
var selectedMeteorIds = [];
var jsonData;
var meteorTable;
var stationsIndex; // Differs between CAMS and RMS
var stationLayers = {};
var fovLayers = {};
var stationMarkerLayers;
var establishedShowers = JSON.parse(establishedStr);
$(function () {
var holder = document.getElementById('mapid');
holder.ondragover = function() {
return false;
};
holder.ondragend = function() {
return false;
};
holder.ondrop = function(e) {
var file = e.dataTransfer.files[0];
reader = new FileReader();
reader.onload = function(event) {
if (file.name.includes(".KML") || file.name.includes(".kml")) {
console.log(event.target.result);
loadCamsFov(event.target.result);
} else {
var csvData = event.target.result.replace(/\r/g, "");
addMeteorsToMap(csvData);
panToExtent();
}
};
reader.readAsText(file);
return false;
};
mymap = L.map('mapid', {maxZoom: 12}).setView([52.3, 5], 8);
var CartoDB_DarkMatter = L.tileLayer('https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png', {
attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors ' +
'© <a href="https://carto.com/attributions">CARTO</a>; ' +
'© CC-BY 4.0 <a href="https://globalmeteornetwork.org/data/">Global Meteor Network</a>',
subdomains: 'abcd',
maxZoom: 18,
minZoom: 3
});
CartoDB_DarkMatter.addTo(mymap);
L.control.locate({drawCircle: false, drawMarker: false, locateOptions: {
maxZoom: 10
}}).addTo(mymap);
fovLayer = new L.FeatureGroup();
fovLayer.on("add", reorderLayers);
meteorLayer = new L.FeatureGroup();
meteorLayer.on("add", reorderLayers);
meteorLayer.addTo(mymap);
mymap.on('zoomend', fixStationScale);
mymap.on('click', fovClickHandler);
addStationsToMap();
loadFov();
const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
var urlStations = urlParams.get("stations");
if (urlStations) {
document.getElementById("stationsFilter").value = urlStations;
}
meteorTable = new Tabulator("#meteortable", {
data: [],
index: "0",
columns: getColumnDefinitions(false),
rowClick:function(e, row) {
var meteorId = row.getPosition();
selectMeteor(meteorId);
var leafletId = jsonData.data[meteorId].leafletId;
var selectedFeature = meteorLayer.getLayer(leafletId);
mymap.flyTo(selectedFeature.getBounds().getCenter(), 8);
},
selectable: 1,
layout: "fitData",
layoutColumnsOnNewData:true
});
updateFilter();
$("#stationsFilter").change(updateFilter);
$("#stationsFilter").keyup(updateFilter);
var initialDataset = urlParams.get("data");
if (initialDataset) {
if (initialDataset.length == 7) {
var year = initialDataset.slice(0, 4);
var month = initialDataset.slice(5);
var url = "https://www.tammo80.nl/camsfiles/monthly/SML-" + year + month + ".txt";
document.getElementById("dailymonthly_daily").checked = false;
document.getElementById("dailymonthly_monthly").checked = true;
} else {
var url = "https://www.tammo80.nl/camsfiles/daily/SML-" + initialDataset + ".txt";
}
dailyMonthlyChange(); // This will populate the dropdown
getMeteorsFromUrl(url);
} else {
dailyMonthlyChange(true); // Populate dropdown and load data
}
});
function reorderLayers() {
fovLayer.bringToBack();
meteorLayer.bringToFront();
for (var i in stationMarkerLayers) {
stationMarkerLayers[i].bringToFront();
}
}
function updatePermalink() {
var permalink = document.getElementById("permalink");
var datasetdropdown = document.getElementById("datasetDropdown");
var selecteddatasetindex = datasetdropdown.selectedIndex;
var stationliststr = document.getElementById("stationsFilter").value;
var newlink = "?stations=" + stationliststr;
if (selecteddatasetindex != -1) {
newlink += "&data=" + datasetdropdown.options[selecteddatasetindex].text;
}
permalink.href = newlink;
}
function chooseStationMarkerLayer(stationType) {
// 0: none, 1: CAMS (clustered), 2: CAMS, 3: RMS
if (mymap.hasLayer(stationMarkerLayers[0])) {
// Don't add stations to the map if they were removed manually
return;
}
for (var i=0; i<4; i++) {
if (i==stationType) {
mymap.addLayer(stationMarkerLayers[i]);
} else {
mymap.removeLayer(stationMarkerLayers[i]);
}
}
}
//custom file formatter
var kmlFormatter = function(list, options, setFileContents){
//list - an array of export rows representing one row of data for the table;
//options - the options object passed from the download function
//setFileContents - function to call to pass the formatted data to the downloader
var fileContents = [];
var headers = [];
fileContents.push(`<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.2">
<Document>
<name>Meteors from the Global Meteor Network</name>
<open>1</open>
<description>
<![CDATA[Courtesy of <a href=" http://www.globalmeteornetwork.org">globalmeteornetwork.org</a><br><br>
<p>To see the meteors captured by the global meteor network, click the play button in the time control at the top of the 3D view window.</p>]]>
</description>
<Style>
<ListStyle>
<listItemType>checkHideChildren</listItemType>
</ListStyle>
</Style>`)
//iterate over rows
list.forEach((row) => {
var item = [];
switch(row.type){
case "group":
case "calc":
break;
case "header":
break;
case "row":
fileContents.push(`
<Placemark>
<TimeStamp><when>${row.columns[0].value}</when></TimeStamp>
<LineString>
<coordinates>${row.columns[5].value*1.},${row.columns[6].value*1.},${row.columns[7].value*1000.} ${row.columns[8].value*1.},${row.columns[9].value*1.},${row.columns[10].value*1000.}</coordinates>
<altitudeMode>absolute</altitudeMode>
</LineString>
</Placemark>`)
break;
}
});
fileContents.push(`
</Document>
</kml>`);
//trigger file download, passing the formatted data and mime type
setFileContents(fileContents.join("\n"), "application/vnd.google-earth.kml+xml");
}
function clearFilter() {
document.getElementById("stationsFilter").value = "";
updateFilter();
}
function updateFilter() {
var stationliststr = document.getElementById("stationsFilter").value;
var stationlist = stationliststr.split(/, */);
meteorTable.setFilter(customFilter, {stationlist: stationlist});
document.getElementById("rowcount").innerHTML = meteorTable.getData('active').length;
selectFov(stationlist, false);
updatePermalink();
}
function customFilter(data, filterParams){
var leafletId = data.leafletId;
var selectedFeature = meteorLayer.getLayer(leafletId);
if (filterParams.stationlist[0]==[""]) {
L.DomUtil.removeClass(selectedFeature._path, 'filteredout-meteor');
return true;
} else {
// rowstations contains any of the filterparams.stationlist
var rowstations = data[stationsIndex];
for (i=0; i<filterParams.stationlist.length; i++) {
if (rowstations.includes(filterParams.stationlist[i])) {
L.DomUtil.removeClass(selectedFeature._path, 'filteredout-meteor');
return true;
}
}
L.DomUtil.addClass(selectedFeature._path, 'filteredout-meteor');
return false;
}
}
function onclickStation(e) {
deselectMeteors();
var append = false;
if (e.originalEvent.ctrlKey || e.originalEvent.metaKey || e.originalEvent.shiftKey) {
append = true;
}
var stationsFilterBox = document.getElementById("stationsFilter");
if (append) {
stationsFilterBox.value = stationsFilterBox.value + "," + e.target.feature.properties.id;
} else {
deselectAllStations();
stationsFilterBox.value = e.target.feature.properties.id;
}
selectStations(e.target.feature.properties.id.split(","), true);
updateFilter();
L.DomEvent.stop(e);
}
function onclickMeteor(e) {
var clickedMeteorId = e.target.options.meteorId;
selectMeteor(clickedMeteorId);
L.DomEvent.stop(e);
}
function dailyMonthlyChange(loadData) {
var dailyChecked = document.getElementById("dailymonthly_daily").checked;
populateDropdown(dailyChecked, loadData);
}
function loadDataFromGMN() {
var select = document.getElementById("datasetDropdown");
getMeteorsFromUrl(select.value);
updatePermalink();
}
function fixStationScale() {
var currentZoom = mymap.getZoom();
if (currentZoom <= 5) {
var markerRadius = 12000;
} else {
var markerRadius = 2700;
}
for (stationId in stationLayers) {
var stationLayer = stationLayers[stationId];
for (var s=0; s<stationLayer.length; s++) {
stationLayer[s].setRadius(markerRadius);
}
}
}
function deselectAllStations() {
for (stationId in stationLayers) {
var stationLayer = stationLayers[stationId];
for (var s=0; s<stationLayer.length; s++) {
stationLayer[s].setStyle({fillColor: "#3af"});
}
}
}
function deselectAllFov() {
for (var i in fovLayers) {
fovLayers[i].setStyle({fillColor: "#F33", fillOpacity:0.1});
}
}
function selectFov(stations, appendToSelection) {
if (!appendToSelection) {
deselectAllFov();
}
for (var i=0; i<stations.length; i++) {
if (stations[i] == "") {
continue;
}
if (!(stations[i] in fovLayers)) {
console.log("No FOV found for station " + stations[i]);
continue;
} else {
var fovLayer = fovLayers[stations[i]];
fovLayer.setStyle({fillColor: "#00F", fillOpacity: 0.3});
fovLayer.bringToFront();
}
}
reorderLayers();
}
function selectStations(stations, doSelect) {
if (!doSelect) {
doSelect = true;
}
for (var i=0; i<stations.length; i++) {
if (stations[i] == "") {
continue;
}
if (!(stations[i] in stationLayers)) {
// We don't have a feature for this station
console.log("No feature found for station " + stations[i]);
continue;
} else {
var stationLayer = stationLayers[stations[i]];
for (var s=0; s<stationLayer.length; s++) {
if (doSelect) {
stationLayer[s].setStyle({fillColor: "#f83"});
} else {
stationLayer[s].setStyle({fillColor: "#3af"});
}
}
}
}
}
function deselectMeteors() {
for (var oldSelectedMeteorIdIndex in selectedMeteorIds) {
var oldSelectedMeteorId = selectedMeteorIds[oldSelectedMeteorIdIndex];
var selectedFeature = meteorLayer.getLayer(jsonData.data[oldSelectedMeteorId].leafletId);
L.DomUtil.removeClass(selectedFeature._path, 'selected-meteor');
selectStations(jsonData.data[oldSelectedMeteorId].stations, false);
}
selectStations(document.getElementById("stationsFilter").value.split(","), false);
selectedMeteorIds = [];
}
function selectMeteor(meteorId) {
if (true) { // TODO: multiple selection
deselectMeteors();
}
var selectedLayer = meteorLayer.getLayer(jsonData.data[meteorId].leafletId);
if (L.DomUtil.hasClass(selectedLayer._path, 'filteredout-meteor')) {
clearFilter();
}
L.DomUtil.addClass(selectedLayer._path, 'selected-meteor');
meteorLayer.getLayer(jsonData.data[meteorId].leafletId).bringToFront();
selectedMeteorIds.push(meteorId * 1);
meteorTable.deselectRow();
meteorTable.selectRow(jsonData.data[meteorId][0]); // The table is indexed by element 0
deselectAllStations();
selectStations(jsonData.data[meteorId].stations, true);
meteorTable.getSelectedRows()[0].scrollTo();
}
function getMeteorsFromUrl(url) {
showLoading();
$.getJSON('https://api.allorigins.win/get?url=' + encodeURIComponent(url) + '&callback=?', function (data) {
if (!data.contents) {
console.log(url);
}
var csvData = data.contents.replace(/\r/g, '');
addMeteorsToMap(csvData);
hideLoading();
panToExtent();
});
}
function showLoading() {
document.getElementById("loading").style.display = 'block';
}
function hideLoading() {
document.getElementById("loading").style.display = 'none';
}
function populateDropdown(daily, loadData) {
var select = document.getElementById("datasetDropdown");
for (var i = select.options.length - 1; i >= 0; i--) {
select.remove(i);
}
if (daily) {
url = "https://www.tammo80.nl/camsfiles/daily/";
} else {
alert("No monthly data for CAMS yet!");
return;
url = "https://www.tammo80.nl/camsfiles/monthly/";
}
$.getJSON('https://api.allorigins.win/get?url=' + encodeURIComponent(url) + '&callback=?', function (data) {
var parser = new DOMParser();
var doc = parser.parseFromString(data.contents, "text/html");
var docfrag = document.createDocumentFragment();
if (daily) {
var base_address = "https://www.tammo80.nl/camsfiles/daily/";
} else {
var base_address = "https://globalmeteornetwork.org/data/traj_summary_data/monthly/";
}
for (var i = 1, l=doc.links.length; i<l; i++) {
var filename = base_address + doc.links[i].getAttribute('href');
if (daily) {
var prettyname = filename.substr(43, filename.length - 47);
} else {
console.log(filename);
alert("No monthly data for CAMS yet!");
var prettyname = filename.substr(filename.length - 10, 4) + '-';
prettyname += filename.substr(filename.length - 6, 2);
}
docfrag.appendChild(new Option(prettyname, filename));
}
select.appendChild(docfrag);
select.selectedIndex = select.options.length-1;
if (loadData) {
loadDataFromGMN();
}
});
}
function panToExtent() {
if (document.getElementById("stationsFilter").value=="") {
return;
}
var tempLayer = new L.FeatureGroup();
var meteors = meteorLayer.getLayers();
for (var i=0; i<meteors.length; i++) {
if (!L.DomUtil.hasClass(meteors[i]._path, 'filteredout-meteor')) {
tempLayer.addLayer(meteors[i]);
}
}
if (tempLayer.getLayers().length > 0) {
mymap.panTo(tempLayer.getBounds().getCenter(), 7);
}
}
function onrightclickStation(e) {
var props = e.target.feature.properties;
var popupcontents = "<p>";
if (props.link) {
// Make up new istrastream links, assuming that if any station is on it, the rest will be as well.
var stations = props.id.split(",");
var firstStation = props.link.slice(-6);
for (var i=0; i<stations.length; i++) {
popupcontents += `<a href="${props.link.replace(firstStation, stations[i])}" title="${stations[i]}" target="_blank">${stations[i]} on IstraStream</a><br />`;
}
} else {
popupcontents = `${props.id} is not on IstraStream`;
}
popupcontents += "</p>"
var popup = L.popup().setContent(popupcontents);
popup.setLatLng(e.target.getLatLng());
mymap.openPopup(popup);
}
function forEachStation(stationFeature, layer) {
layer.on("click", onclickStation);
layer.on("contextmenu", onrightclickStation);
var tooltip = "";
if (stationFeature.properties.name == "") {
tooltip = stationFeature.properties.id;
} else {
tooltip = stationFeature.properties.name + " (" + stationFeature.properties.id + ")";
}
layer.bindTooltip(tooltip);
var stationIds = stationFeature.properties.id.split(",");
for (var stationIdIdx=0; stationIdIdx<stationIds.length; stationIdIdx++) {
var stationId = stationIds[stationIdIdx];
if (stationFeature.properties.id in stationLayers) {
stationLayers[stationId].push(layer);
} else {
stationLayers[stationId] = [layer];
}
}
}
function loadCamsFov(kmlContents) {
fovLayer.eachLayer(function (layer) {
fovLayer.removeLayer(layer);
});
fovLayers = {};
var layer = omnivore.kml.parse(kmlContents);
layer.setStyle({fillColor: "#F33", fillOpacity: .1, stroke: false});
layer.eachLayer(function (oneStationLayer) {
var dummyLayer = new L.FeatureGroup(); // Mimic layout of RMS FOV
oneStationLayer.addTo(dummyLayer);
dummyLayer.addTo(fovLayer);
var stationid = oneStationLayer.feature.id.replace(/^0*/, "");
fovLayers[stationid] = dummyLayer;
});
}
function loadFov() {
var url = "https://www.tammo80.nl/camsfiles/cams_fov.kml";
$.getJSON('https://api.allorigins.win/get?url=' + encodeURIComponent(url) + '&callback=?', function (data) {
loadCamsFov(data.contents);
});
}
function fovClickHandler(e) {
if (!mymap.hasLayer(fovLayer)) {
return;
}
deselectAllStations();
deselectAllFov();
var clickBounds = L.latLngBounds(e.latlng, e.latlng);
var clickedFov = [];
for (var f in fovLayer._layers) {
var feature = fovLayer._layers[f];
var featurebounds = feature.getBounds();
if (featurebounds && clickBounds.intersects(featurebounds)) { // Should be pip
var results = leafletPip.pointInLayer([e.latlng.lng, e.latlng.lat], feature);
if (results.length > 0) {
for (f1 in feature._layers) {
var stationid = feature._layers[f1].feature.id.replace(/^0*/, '');
clickedFov.push(stationid);
}
}
}
}
document.getElementById("stationsFilter").value = clickedFov.join(",");
selectStations(clickedFov);
updateFilter();
}
function loadOneFov(url) {
$.getJSON('https://api.allorigins.win/get?url=' + encodeURIComponent(url) + '&callback=?', function (data) {
var layer = omnivore.kml.parse(data.contents);
layer.setStyle({fillColor: "#F33", fillOpacity: .1, stroke: false});
layer.addTo(fovLayer);
for (f1 in layer._layers) {
var stationid = layer._layers[f1].feature.id;
fovLayers[stationid] = layer;
}
});
}
function addStationsToMap() {
var emptyLayer = new L.FeatureGroup();
var geojsonMarkerOptions = {
radius: 2700,
fillColor: "#3af",
color: "#000",
weight: 1,
opacity: 1,
fillOpacity: 0.7
};
function makeGeoJsonLayer(layer, stationfilename) {
$.getJSON(stationfilename, function (data) {
locations = L.geoJson(data, {
onEachFeature: forEachStation,
pointToLayer: function (feature, latlng) {
return L.circle(latlng, geojsonMarkerOptions)
}
});
locations.addTo(layer);
});
layer.on("add", reorderLayers);
}
var camsStationLayer = new L.markerClusterGroup({showCoverageOnHover: false,
zoomToBoundsOnClick: false, maxClusterRadius:1});
makeGeoJsonLayer(camsStationLayer, "cams-sites.json");
var camsStationLayerDedup = new L.FeatureGroup();
makeGeoJsonLayer(camsStationLayerDedup, "cams-sites-dedup.json");
var rmsStationLayer = new L.FeatureGroup();
makeGeoJsonLayer(rmsStationLayer, "rms-sites.json");
stationMarkerLayers = [emptyLayer,
camsStationLayer,
camsStationLayerDedup,
rmsStationLayer];
L.control.layers({"No cameras": emptyLayer,
"CAMS cameras (grouped)": camsStationLayer,
"CAMS stations": camsStationLayerDedup,
"RMS stations": rmsStationLayer}, {
"Meteors": meteorLayer,
"Fields of view": fovLayer
}).addTo(mymap);
}
function getColumnDefinitions(isCams) {
function numStationsSorter(a, b, aRow, bRow, column, dir, sorterParams) {
var lenA = a.split(/[,_]/).length;
var lenB = b.split(/[,_]/).length;
return lenB - lenA;
}
if (isCams) {
var dateConcatMutator = function(value, data, type, params, component){
//value - original value of the cell
//data - the data for the row
//type - the type of mutation occurring (data|edit)
//params - the mutatorParams object from the column definition
//component - when the "type" argument is "edit", this contains the cell component for the edited cell, otherwise it is the column component for the column'
var startDate = new Date(Date.parse(data[1] + " " + data[2] + "Z") + data[3] * 1000);
return startDate.toISOString().replace("T", " ").substr(0, 22);
}
var stationsMutator = function(value) {
return value.replaceAll("_", ",").slice(1);
}
return [
{title: "Number", field: "0"},
{title: "Start (UTC)", field: "sumcol", mutator: dateConcatMutator},
{title:"Vinf (km/s)", hozAlign:"right", field: "9"},
{title:"Int-mV (mag)", hozAlign:"right", field: "31"},
{title: "Stations", field: "34", sorter:numStationsSorter, mutator:stationsMutator},
{title: "LonBeg", hozAlign:"right", field: "17"},
{title: "LatBeg", hozAlign:"right", field: "15"},
{title:"Ht_beg (km)", hozAlign:"right", field: "19"},
{title: "LonEnd", hozAlign:"right", field: "23"},
{title: "LatEnd", hozAlign:"right", field: "21"},
{title:"Ht_end (km)", hozAlign:"right", field: "25"},
]
} else {
var showerMutator = function(value, data, type, params, component) {
if (value.trim() in establishedShowers) {
return establishedShowers[value.trim()];
} else if (value == "...") {
return "Sporadic";
} else {
return value.trim();
}
}
return [
{title:"Start (UTC)", field:"1"},
{title:"V_avg (km/s)", hozAlign:"right", field: "58"},
{title:"Duration (s)", hozAlign:"right", field: "72"},
{title:"Peak (abs mag)", hozAlign:"right", field: "73"},
{title:"Stations", field:"82", sorter:numStationsSorter},
{title: "LonBeg", hozAlign:"right", field: "62"},
{title: "LatBeg", hozAlign:"right", field: "60"},
{title:"Ht_beg (km)", hozAlign:"right", field: "64"},
{title: "LonEnd", hozAlign:"right", field: "68"},
{title: "LatEnd", hozAlign:"right", field: "66"},
{title:"Ht_end (km)", hozAlign:"right", field: "70"},
{title:"Shower", field:"3", mutator:showerMutator}
]
}
}
function addMeteorsToMap(csvData) {
deselectMeteors();
if ((!csvData.includes(';')) && !(csvData.includes(','))) {
// Make CAMS format (fixed-width) ;-separated
csvData = csvData.replace(/ */g, ";");
csvData = csvData.replace(/^Ver.*/, "");
csvData = csvData.replace(/Number.*/, "");
csvData = csvData.replace(/^\n*-----[-;\n]*/, "");
}
jsonData = Papa.parse(csvData, {
comments: "#",
delimiter: ';',
dynamicTyping: false,
skipEmptyLines: true
});
if (jsonData.data[0].length == 83) {
console.log("RMS format detected");
chooseStationMarkerLayer(3);
var lonBegIndex = 62;
var latBegIndex = 60;
var lonEndIndex = 68;
var latEndIndex = 66;
stationsIndex = 82;
var isCams = false;
} else if (jsonData.data[0].length == 35) {
console.log("CAMS format detected");
chooseStationMarkerLayer(2);
var lonBegIndex = 17;
var latBegIndex = 15;
var lonEndIndex = 23;
var latEndIndex = 21;
stationsIndex = 34;
var isCams = true;
} else {
console.log("Undetected format, num fields is " + jsonData.data[0].length)
}
meteorLayer.eachLayer(function (layer) {
meteorLayer.removeLayer(layer);
});
for (meteorIndex in jsonData.data) {
var lonBeg = jsonData.data[meteorIndex][lonBegIndex];
var latBeg = jsonData.data[meteorIndex][latBegIndex];
var lonEnd = jsonData.data[meteorIndex][lonEndIndex];
var latEnd = jsonData.data[meteorIndex][latEndIndex];
var stations = jsonData.data[meteorIndex][stationsIndex].replace(/^[_ ]/, "").split(/[,_]/);
stations.forEach((name, index) => stations[index] = name.replace(/^0*/, ""));
jsonData.data[meteorIndex].stations = stations;
meteorFeature = L.polyline([[latBeg, lonBeg], [latEnd, lonEnd]], {className: 'unselected-meteor', meteorId: meteorIndex});
meteorFeature.addTo(meteorLayer);
meteorFeature.on("click", onclickMeteor);
jsonData.data[meteorIndex].leafletId = meteorLayer.getLayerId(meteorFeature);
}
meteorTable.setColumns(getColumnDefinitions(isCams));
meteorTable.setData(jsonData.data);
document.getElementById("rowcount").innerHTML = meteorTable.getData('active').length;
}
</script>
</head>
<body>
<h1>Meteor trajectory viewer</h1>
<svg height="0" width="0" version="1.1" xmlns="http://www.w3.org/2000/svg" style="height:0; position:absolute; width:0">
<defs>
<linearGradient id="GradientUnselected">
<stop offset="5%" stop-color="#FFFFF0" />
<stop offset="95%" stop-color="#857f32" />
</linearGradient>
<linearGradient id="GradientSelected">
<stop offset="5%" stop-color="#FFF" />
<stop offset="95%" stop-color="#DB2721" />
</linearGradient>
<linearGradient id="GradientFilteredOut">
<stop offset="5%" stop-color="#888" />
<stop offset="95%" stop-color="#333" />
</linearGradient>
</defs>
</svg>
<p>Drag a SummaryMeteorLog file or a traj_summary file onto the map to view them. Or click below to load meteors
from the Global Meteor Network. The data from the <a href="https://globalmeteornetwork.org/data/">Global Meteor
Network</a> is used under a CC-BY 4.0 license.
The maps on this website are therefore also licensed CC-BY 4.0. <b>Legend</b>: the meteors go in the direction from darker to white. So the white part of the trail is the lowest and last part of the trail.</p>
<p>Link for the current selection: <a id="permalink" href="?data=latest_daily&stations=">here</a>.</p>
<div id="gmnform">
<select id="datasetDropdown" onChange="loadDataFromGMN()"></select>
<input type="radio" id="dailymonthly_daily" name="dailymonthlyradio" value="daily" checked="checked" onChange="dailyMonthlyChange(true)" />
<label for="daily"checked="true">Daily</label>
<input type="radio" id="dailymonthly_monthly" name="dailymonthlyradio" value="monthly" onChange="dailyMonthlyChange(true)" />
<label for="monthly">Monthly</label>
</div>
<div style="display:none" id="loading">Loading...</div>
<br />
<br />
<div id="mapid"></div>
<br />
Filter stations: <input type="text" id="stationsFilter"></input>
<button onclick="clearFilter()">❌</button>
<button onclick="meteorTable.download('csv', 'meteors.csv')">Download selection as CSV</button><button onclick="meteorTable.download(kmlFormatter, 'meteors.kml')">Download selection as KML</button> Number of meteors: <span id="rowcount">0</span>
<div id="meteortable"></div>
</body>
</html>