'; 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/stolberg/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 , 11 , 0 , 1 , 1 ]; qmPriceChartData.labels = [ "0 € / m² - 100 € / m²" , "100 € / m² - 200 € / m²" , "200 € / m² - 300 € / m²" , "300 € / m² - 400 € / m²" , "400 € / m²+" ]; qmPriceChartData.data = [ 0 , 2 , 2 , 1 , 8 ]; 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', 'Sept. 2023', 'Okt. 2023', 'Nov. 2023', 'Dez. 2023', 'Mai 2024', 'Dez. 2024', 'Jan. 2025', 'Feb. 2025', 'März 2025' ], datasets: [ { label: " €/m² im Durchschnitt", borderColor: "#0b4b82", backgroundColor: "#0b4b82", tension: 0.3, data: [ 241.57504878215838 , 249.69367243810078 , 259.3631988348851 , 227.55489039212873 , 244.45409976542126 , 395.3859324776431 , 291.0971225457819 , 311.41241926544075 , 250.16985134435393 , 308.3303481243641 , 308.3303481243641 , 332.36973912131367 , 339.4403354500051 , 325.28420439965856 , 342.1145657677673 , 369.64592216971903 , 350.82358807093607 , 311.0092752024408 , 272.6110136263908 , 314.0192177388752 , 274.92064554483625 , 253.16283421379026 , 288.345168751878 , 182.0910805570555 , 233.8711711424443 , 227.00421835274474 , 354.9505111740956 , 354.9505111740956 ], yAxisID: 'y', }, { label: " €/m² Median", borderColor: "#76b4e8", backgroundColor: "#76b4e8", tension: 0.3, type: 'line', data: [ 214.42885771543087, 272.9357798165138, 262.38159675236807, 227.69953051643193, 227.69953051643193, 372.3404255319149, 304.53082446150034, 325, 292.15686274509807, 295.7233848953594, 295.7233848953594, 343.50132625994695, 395, 343.50132625994695, 343.50132625994695, 403.0612244897959, 395.70552147239266, 395.70552147239266, 237.26273726273726, 510.752688172043, 314.75409836065575, 244.8512585812357, 260, 151.42198308993082, 295, 295, 423.3394591756366, 423.3394591756366 ], } ] }, options: { legend: {display: true}, title: { display: true, text: 'Entwicklung der Quadratmeterpreise in Stolberg', fontSize: 16, fontStyle: "normal", fontFamily: "'Open Sans',sans-serif" } } }); });