'; 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/ballrechten-dottingen/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 , 5 , 5 , 2 , 1 ]; qmPriceChartData.labels = [ "0 € / m² - 100 € / m²" , "100 € / m² - 200 € / m²" , "200 € / m² - 300 € / m²" , "300 € / m² - 400 € / m²" , "400 € / m²+" ]; qmPriceChartData.data = [ 1 , 0 , 1 , 0 , 11 ]; buildCharts(areaChartData, qmPriceChartData); new Chart(document.getElementById("trend-chart"), { type: 'line', data: { labels: [ 'Apr. 2021', 'Aug. 2021', 'Nov. 2021', 'Dez. 2021', 'Jan. 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', 'März 2024', 'Apr. 2024', 'Juli 2024', 'Sept. 2024', 'Dez. 2024', 'Feb. 2025', 'März 2025' ], datasets: [ { label: " €/m² im Durchschnitt", borderColor: "#0b4b82", backgroundColor: "#0b4b82", tension: 0.3, data: [ 673.0199408185374 , 365.77359492513415 , 225.8397157834069 , 226.1937885921589 , 226.1937885921589 , 441.6973986486332 , 467.61993757907345 , 412.6413632295902 , 615.8977910085665 , 615.8977910085665 , 562.0837910680947 , 566.675183812786 , 486.41935264754585 , 533.1206036983284 , 563.5355137212413 , 592.9028474391164 , 678.4521229659207 , 580.6027605371996 , 624.7431398021461 , 887.1391096850161 , 467.90608088988483 , 463.892487700436 , 394.6627168192139 , 443.2317289905096 , 416.87947774592527 , 456.2810009630817 , 395.42317141142024 , 449.304742799794 , 456.5990870347424 , 438.52240917679325 , 426.8250565269027 , 457.81793618667626 , 791.9621114891735 , 738.8698681375748 , 784.0498187064878 ], yAxisID: 'y', }, { label: " €/m² Median", borderColor: "#76b4e8", backgroundColor: "#76b4e8", tension: 0.3, type: 'line', data: [ 337.38191632928476, 219, 270.4852824184566, 203.82165605095543, 203.82165605095543, 432.4680313923495, 409.68342644320296, 425, 580, 580, 432.4680313923495, 432.4680313923495, 400.9009009009009, 452.41094949032185, 432.4680313923495, 452.41094949032185, 496.27791563275434, 491.07142857142856, 580, 741.0881801125704, 524.0963855421687, 452.41094949032185, 432.4680313923495, 436.93693693693695, 432.4680313923495, 436.93693693693695, 436.93693693693695, 480.81345274230904, 436.93693693693695, 394.44444444444446, 500, 729.8311444652908, 806.8902991840436, 729.8311444652908, 729.8311444652908 ], } ] }, options: { legend: {display: true}, title: { display: true, text: 'Entwicklung der Quadratmeterpreise in Ballrechten-Dottingen', fontSize: 16, fontStyle: "normal", fontFamily: "'Open Sans',sans-serif" } } }); });