'; let req = new XMLHttpRequest(); req.onreadystatechange = function () { if (req.readyState === 4 && req.status === 200) { let result = JSON.parse(req.response); document.getElementById("landprices").innerHTML = result.data; buildCharts(result.charts.areaChartData, result.charts.qmPriceChartData); loading = false; } else if (req.readyState === 4) { loading = false; } }; const url = "/stadt/roetgen/aggregation?year=" + val[1] + "&month=" + val[0]; req.open('GET', url, true); setTimeout(function () { req.send(); }, 1200); } }) } const areaChartData = { labels: [], data: [] }; const qmPriceChartData = { labels: [], data: [] }; areaChartData.labels = [ "0 m² - 100 m²" , "100 m² - 500 m²" , "500 m² - 1000 m²" , "1000 m² - 2000 m²" , "2000 m²+" ]; areaChartData.data = [ 0 , 2 , 3 , 14 , 3 ]; qmPriceChartData.labels = [ "0 € / m² - 100 € / m²" , "100 € / m² - 200 € / m²" , "200 € / m² - 300 € / m²" , "300 € / m² - 400 € / m²" , "400 € / m²+" ]; qmPriceChartData.data = [ 6 , 5 , 8 , 3 , 0 ]; buildCharts(areaChartData, qmPriceChartData); new Chart(document.getElementById("trend-chart"), { type: 'line', data: { labels: [ 'Apr. 2021', 'Aug. 2021', 'Nov. 2021', 'Dez. 2021', 'Jan. 2022', 'Feb. 2022', 'März 2022', 'Apr. 2022', 'Mai 2022', 'Juni 2022', 'Juli 2022', 'Aug. 2022', 'Sept. 2022', 'Okt. 2022', 'Nov. 2022', 'Dez. 2022', 'Jan. 2023', 'Feb. 2023', 'März 2023', 'Apr. 2023', 'Mai 2023', 'Juni 2023', 'Juli 2023', 'Aug. 2023', 'Sept. 2023', 'Okt. 2023', 'Nov. 2023', 'Dez. 2023', 'Jan. 2024', 'Feb. 2024', 'März 2024', 'Apr. 2024', 'Juni 2024', 'Juli 2024', 'Sept. 2024', 'Nov. 2024', 'Dez. 2024', 'Jan. 2025', 'Feb. 2025', 'März 2025' ], datasets: [ { label: " €/m² im Durchschnitt", borderColor: "#0b4b82", backgroundColor: "#0b4b82", tension: 0.3, data: [ 258.1036458188073 , 185.3243329568536 , 244.57367491873805 , 212.39158071585038 , 212.39158071585038 , 272.5403381276627 , 199.19890283837282 , 240.70569591414358 , 213.77277377344862 , 225.41904289376026 , 225.41904289376026 , 366.98151847754605 , 271.0581690442589 , 295.1541742901039 , 297.36444098004154 , 343.88220553254166 , 336.46251217617345 , 307.09908222180127 , 253.7532612878067 , 251.46906654181655 , 266.0571414924624 , 185.37267673302273 , 161.22344650598464 , 173.01311851631533 , 178.9239029886181 , 184.2299233637237 , 171.8544335994022 , 178.2926175395209 , 166.92259703185232 , 265.7117688513037 , 254.6088425603338 , 242.71275839576285 , 196.8510736911415 , 152.7592824581222 , 187.54557281259883 , 163.74388420048888 , 174.50570908155012 , 176.1633702143319 , 185.9677923816496 , 181.91780729782806 ], yAxisID: 'y', }, { label: " €/m² Median", borderColor: "#76b4e8", backgroundColor: "#76b4e8", tension: 0.3, type: 'line', data: [ 214.42885771543087, 154.87674169346195, 260, 227.69953051643193, 227.69953051643193, 290.30444964871197, 195.14611193660227, 260, 260, 197.42857142857142, 197.42857142857142, 457.0552147239264, 292.15686274509807, 306.2913907284768, 292.15686274509807, 403.0612244897959, 403.0612244897959, 395.70552147239266, 205.99250936329588, 210.9407069555302, 210.9407069555302, 135, 135, 133.0520393811533, 130, 139.66480446927375, 133.0520393811533, 133.0520393811533, 130, 350, 296.8646864686469, 244.8512585812357, 191.1764705882353, 191.1764705882353, 191.1764705882353, 191.1764705882353, 191.1764705882353, 191.1764705882353, 228.40119165839127, 228.40119165839127 ], } ] }, options: { legend: {display: true}, title: { display: true, text: 'Entwicklung der Quadratmeterpreise in Roetgen', fontSize: 16, fontStyle: "normal", fontFamily: "'Open Sans',sans-serif" } } }); });