'; 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/koenigswinter/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 , 4 , 7 , 4 ]; qmPriceChartData.labels = [ "0 € / m² - 100 € / m²" , "100 € / m² - 200 € / m²" , "200 € / m² - 300 € / m²" , "300 € / m² - 400 € / m²" , "400 € / m²+" ]; qmPriceChartData.data = [ 1 , 3 , 3 , 3 , 9 ]; 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', 'Mai 2024', 'Juni 2024', 'Juli 2024', 'Sept. 2024', 'Okt. 2024', 'Nov. 2024', 'Dez. 2024', 'Jan. 2025', 'Feb. 2025', 'März 2025' ], datasets: [ { label: " €/m² im Durchschnitt", borderColor: "#0b4b82", backgroundColor: "#0b4b82", tension: 0.3, data: [ 650.2308781416484 , 467.8694830815864 , 427.01568244782794 , 433.45161319109974 , 537.128686333317 , 570.9372054336404 , 705.5074790528097 , 786.7061412533947 , 591.0876829259246 , 692.4720950781573 , 692.4720950781573 , 708.9923900280174 , 752.4947441649005 , 620.9823687024491 , 646.4679943612155 , 611.9058193295114 , 570.2107262466296 , 567.8484758115302 , 535.4218547549597 , 433.5100973229064 , 492.86980688271524 , 501.52714043688997 , 484.2672097170126 , 540.647433204909 , 553.4141882818635 , 591.5292302619918 , 568.3847879327267 , 502.2407560737212 , 497.95165918043296 , 473.7509620114731 , 515.6728504446314 , 414.7686677074128 , 442.4495205746198 , 469.1292329844597 , 399.01671409469424 , 396.64756967190175 , 450.01554339901 , 456.62644904441186 , 408.6049494904231 , 438.4385384643391 , 378.22977544722403 , 396.6430557296198 ], yAxisID: 'y', }, { label: " €/m² Median", borderColor: "#76b4e8", backgroundColor: "#76b4e8", tension: 0.3, type: 'line', data: [ 511.8421052631579, 294.9852507374631, 251.00401606425703, 251.00401606425703, 296.875, 296.875, 611.1111111111111, 800, 611.1111111111111, 620, 620, 561.0412926391382, 561.0412926391382, 542.7408412483039, 502.7586206896552, 502.7586206896552, 519.7916666666666, 519.7916666666666, 486.35477582846005, 467.828418230563, 490.74074074074076, 489.98459167950693, 465.3333333333333, 467.828418230563, 467.828418230563, 505.8651026392962, 500, 439.12175648702595, 467.828418230563, 467.828418230563, 545.8368376787216, 470, 470, 496.215306980656, 340, 368.49002849002846, 498, 498, 446.2975316877919, 498, 446.2975316877919, 446.2975316877919 ], } ] }, options: { legend: {display: true}, title: { display: true, text: 'Entwicklung der Quadratmeterpreise in Königswinter', fontSize: 16, fontStyle: "normal", fontFamily: "'Open Sans',sans-serif" } } }); });