'; 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/ovelgoenne/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 , 4 , 7 , 2 , 4 ]; qmPriceChartData.labels = [ "0 € / m² - 100 € / m²" , "100 € / m² - 200 € / m²" , "200 € / m² - 300 € / m²" , "300 € / m² - 400 € / m²" , "400 € / m²+" ]; qmPriceChartData.data = [ 5 , 10 , 2 , 0 , 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', 'Juli 2023', 'Okt. 2023', 'Dez. 2023', 'Jan. 2024', 'März 2024', 'Apr. 2024', 'Sept. 2024', 'Okt. 2024', 'Nov. 2024', 'Dez. 2024', 'Feb. 2025', 'März 2025' ], datasets: [ { label: " €/m² im Durchschnitt", borderColor: "#0b4b82", backgroundColor: "#0b4b82", tension: 0.3, data: [ 141.8325427315202 , 250.5561044352515 , 298.51844204746175 , 260.6689525173368 , 248.5061255318776 , 334.8222451423871 , 178.8559251603934 , 226.26637065529374 , 171.84396694732825 , 285.9608552646024 , 285.9608552646024 , 185.51742673477202 , 243.740311311496 , 222.84274628893849 , 197.82802019737304 , 218.08978848107637 , 253.20561508311917 , 216.2323425872113 , 185.92002269529226 , 171.17496862523578 , 157.19129453997354 , 82.19117572149769 , 123.76268543648152 , 1.8680548994348185 , 108.21524315667614 , 146.20364600947454 , 146.09121533276837 , 140.85939836730958 , 132.18348675387048 , 139.81224866245094 , 126.90608115940101 ], yAxisID: 'y', }, { label: " €/m² Median", borderColor: "#76b4e8", backgroundColor: "#76b4e8", tension: 0.3, type: 'line', data: [ 88.98250728862973, 274.72527472527474, 136.25, 136.25, 136.25, 152.56410256410257, 152.56410256410257, 152.56410256410257, 138.88888888888889, 328.3740701381509, 328.3740701381509, 156.90376569037656, 235.98064332479362, 171.25382262996942, 170.3958691910499, 183.33333333333334, 212.56038647342996, 173.91304347826087, 171.25382262996942, 166.6822429906542, 165.8695652173913, 123.43096234309624, 150.91383812010443, 1.893535310433113, 123.43096234309624, 159.35334872979215, 156.25, 155.7955961778147, 156.25, 159.0909090909091, 159.0909090909091 ], } ] }, options: { legend: {display: true}, title: { display: true, text: 'Entwicklung der Quadratmeterpreise in Ovelgönne', fontSize: 16, fontStyle: "normal", fontFamily: "'Open Sans',sans-serif" } } }); });