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Zooming on Area Selection

Documentation

In this demo, you can drag the mouse (area selection) to zoom the chart (the dragToZoom property is enabled). To pan in this case, drag the mouse while pressing the panKey, for example, it is Shift in this demo.

Backend API
@(Html.DevExtreme().Chart() .ID("chart") .DataSource(d=>d .StaticJson().Url("~/SampleData/Birthlife.json") ) .Title("Life Expectancy vs. Birth Rates") .ArgumentAxis(a => a.Title("Life Expectancy")) .ValueAxis(a => a.Add().Title("Birth Rate")) .Crosshair(c => c .Enabled(true) .Label(l => l.Visible(true) )) .CommonSeriesSettings(c => c .Type(SeriesType.Scatter) .ArgumentField("life_exp") .ValueField("birth_rate") .Point(p => p.Size(8)) ) .SeriesTemplate(s => s.NameField("year")) .Tooltip(t => t .Enabled(true) .CustomizeTooltip(@<text> function(arg) { var data = arg.point.data; return { text: data.country + " " + data.year }; } </text>)) .ZoomAndPan(z=>z .ArgumentAxis(ChartZoomAndPanMode.Both) .ValueAxis(ChartZoomAndPanMode.Both) .DragToZoom(true) .AllowMouseWheel(true) .PanKey(EventKeyModifier.Shift) ) .Legend(l=>l .Position(RelativePosition.Inside) .Border(b=>b.Visible(true)) ) ) @(Html.DevExtreme().Button() .ID("reset-zoom") .Text("Reset") .OnClick(@<text> function() { $("#chart").dxChart("instance").resetVisualRange(); } </text>) )
using DevExtreme.AspNet.Data; using DevExtreme.AspNet.Mvc; using DevExtreme.NETCore.Demos.Models; using DevExtreme.NETCore.Demos.Models.SampleData; using Microsoft.AspNetCore.Mvc; using Newtonsoft.Json; using System; using System.Collections.Generic; using System.Linq; namespace DevExtreme.NETCore.Demos.Controllers { public class ChartsController : Controller { public ActionResult ZoomingOnAreaSelection() { return View(); } } }
[ { "year": 1970, "country": "Afghanistan", "birth_rate": 51.648, "life_exp": 36.678 }, { "year": 1970, "country": "Albania", "birth_rate": 31.821, "life_exp": 66.933 }, { "year": 1970, "country": "Algeria", "birth_rate": 47.021, "life_exp": 50.369 }, { "year": 1970, "country": "Angola", "birth_rate": 53.375, "life_exp": 37.047 }, { "year": 1970, "country": "Antigua and Barbuda", "birth_rate": 30.762, "life_exp": 65.897 }, { "year": 1970, "country": "Argentina", "birth_rate": 22.759, "life_exp": 66.449 }, { "year": 1970, "country": "Armenia", "birth_rate": 22.694, "life_exp": 70.143 }, { "year": 1970, "country": "Aruba", "birth_rate": 24.099, "life_exp": 69.14 }, { "year": 1970, "country": "Australia", "birth_rate": 20.6, "life_exp": 71.0185365853659 }, { "year": 1970, "country": "Austria", "birth_rate": 15, "life_exp": 69.9146341463415 }, { "year": 1970, "country": "Azerbaijan", "birth_rate": 32.003, "life_exp": 63.141 }, { "year": 1970, "country": "Bahamas, The", "birth_rate": 26.348, "life_exp": 65.943 }, { "year": 1970, "country": "Bahrain", "birth_rate": 38.264, "life_exp": 63.448 }, { "year": 1970, "country": "Bangladesh", "birth_rate": 47.832, "life_exp": 47.523 }, { "year": 1970, "country": "Barbados", "birth_rate": 21.746, "life_exp": 65.569 }, { "year": 1970, "country": "Belarus", "birth_rate": 15.961, "life_exp": 70.079243902439 }, { "year": 1970, "country": "Belgium", "birth_rate": 14.7, "life_exp": 70.9719512195122 }, { "year": 1970, "country": "Belize", "birth_rate": 41.927, "life_exp": 65.566 }, { "year": 1970, "country": "Benin", "birth_rate": 46.835, "life_exp": 42.152 }, { "year": 1970, "country": "Bermuda", "birth_rate": 20.3, "life_exp": 70.29 }, { "year": 1970, "country": "Bhutan", "birth_rate": 49.178, "life_exp": 39.635 }, { "year": 1970, "country": "Bolivia", "birth_rate": 42.261, "life_exp": 45.671 }, { "year": 1970, "country": "Bosnia and Herzegovina", "birth_rate": 23.626, "life_exp": 66.187 }, { "year": 1970, "country": "Botswana", "birth_rate": 45.998, "life_exp": 54.609 }, { "year": 1970, "country": "Brazil", "birth_rate": 35.31, "life_exp": 59.154 }, { "year": 1970, "country": "Brunei Darussalam", "birth_rate": 36.653, "life_exp": 66.928 }, { "year": 1970, "country": "Bulgaria", "birth_rate": 16.3, "life_exp": 71.2563414634146 }, { "year": 1970, "country": "Burkina Faso", "birth_rate": 47.464, "life_exp": 39.095 }, { "year": 1970, "country": "Burundi", "birth_rate": 47.263, "life_exp": 43.829 }, { "year": 1970, "country": "Cabo Verde", "birth_rate": 41.611, "life_exp": 53.669 }, { "year": 1970, "country": "Cambodia", "birth_rate": 43.026, "life_exp": 41.566 }, { "year": 1970, "country": "Cameroon", "birth_rate": 44.86, "life_exp": 46.104 }, { "year": 1970, "country": "Canada", "birth_rate": 17.4, "life_exp": 72.7004878048781 }, { "year": 1970, "country": "Central African Republic", "birth_rate": 43.131, "life_exp": 41.946 }, { "year": 1970, "country": "Chad", "birth_rate": 46.916, "life_exp": 41.332 }, { "year": 1970, "country": "Channel Islands", "birth_rate": 14.786, "life_exp": 71.823 }, { "year": 1970, "country": "Chile", "birth_rate": 29.774, "life_exp": 62.311 }, { "year": 1970, "country": "China", "birth_rate": 33.43, "life_exp": 59.085 }, { "year": 1970, "country": "Colombia", "birth_rate": 37.506, "life_exp": 60.91 }, { "year": 1970, "country": "Comoros", "birth_rate": 45.509, "life_exp": 45.642 }, { "year": 1970, "country": "Congo, Dem. Rep.", "birth_rate": 46.647, "life_exp": 43.915 }, { "year": 1970, "country": "Congo, Rep.", "birth_rate": 43.267, "life_exp": 53.38 }, { "year": 1970, "country": "Costa Rica", "birth_rate": 32.832, "life_exp": 66.439 }, { "year": 1970, "country": "Cote d'Ivoire", "birth_rate": 52.447, "life_exp": 43.695 }, { "year": 1970, "country": "Croatia", "birth_rate": 13.8, "life_exp": 68.2004878048781 }, { "year": 1970, "country": "Cuba", "birth_rate": 29.405, "life_exp": 69.812 }, { "year": 1970, "country": "Cyprus", "birth_rate": 19.107, "life_exp": 72.576 }, { "year": 1970, "country": "Czech Republic", "birth_rate": 15, "life_exp": 69.440243902439 }, { "year": 1970, "country": "Denmark", "birth_rate": 14.4, "life_exp": 73.3434146341463 }, { "year": 1970, "country": "Djibouti", "birth_rate": 45.106, "life_exp": 49.16 }, { "year": 1970, "country": "Dominican Republic", "birth_rate": 41.75, "life_exp": 58.468 }, { "year": 1970, "country": "Ecuador", "birth_rate": 41.044, "life_exp": 57.783 }, { "year": 1970, "country": "Egypt, Arab Rep.", "birth_rate": 41.939, "life_exp": 52.155 }, { "year": 1970, "country": "El Salvador", "birth_rate": 42.824, "life_exp": 54.987 }, { "year": 1970, "country": "Equatorial Guinea", "birth_rate": 42.132, "life_exp": 39.738 }, { "year": 1970, "country": "Eritrea", "birth_rate": 46.624, "life_exp": 43.157 }, { "year": 1970, "country": "Estonia", "birth_rate": 15.8, "life_exp": 69.9370975609756 }, { "year": 1970, "country": "Eswatini", "birth_rate": 49.298, "life_exp": 48.041 }, { "year": 1970, "country": "Ethiopia", "birth_rate": 48.076, "life_exp": 42.944 }, { "year": 1970, "country": "Fiji", "birth_rate": 33.899, "life_exp": 59.857 }, { "year": 1970, "country": "Finland", "birth_rate": 14, "life_exp": 70.179512195122 }, { "year": 1970, "country": "France", "birth_rate": 17, "life_exp": 71.6585365853659 }, { "year": 1970, "country": "French Polynesia", "birth_rate": 35.14, "life_exp": 60.184 }, { "year": 1970, "country": "Gabon", "birth_rate": 37.074, "life_exp": 46.698 }, { "year": 1970, "country": "Gambia, The", "birth_rate": 50.313, "life_exp": 37.824 }, { "year": 1970, "country": "Georgia", "birth_rate": 19.874, "life_exp": 67.452 }, { "year": 1970, "country": "Germany", "birth_rate": 13.4, "life_exp": 70.6397804878049 }, { "year": 1970, "country": "Ghana", "birth_rate": 46.702, "life_exp": 49.339 }, { "year": 1970, "country": "Greece", "birth_rate": 16.5, "life_exp": 70.9036341463415 }, { "year": 1970, "country": "Grenada", "birth_rate": 28.084, "life_exp": 63.843 }, { "year": 1970, "country": "Guam", "birth_rate": 31.779, "life_exp": 65.662 }, { "year": 1970, "country": "Guatemala", "birth_rate": 45.324, "life_exp": 52.501 }, { "year": 1970, "country": "Guinea", "birth_rate": 45.302, "life_exp": 36.656 }, { "year": 1970, "country": "Guinea-Bissau", "birth_rate": 42.734, "life_exp": 41.538 }, { "year": 1970, "country": "Guyana", "birth_rate": 36.051, "life_exp": 61.789 }, { "year": 1970, "country": "Haiti", "birth_rate": 39.104, "life_exp": 47.215 }, { "year": 1970, "country": "Honduras", "birth_rate": 47.73, "life_exp": 52.523 }, { "year": 1970, "country": "Hong Kong SAR, China", "birth_rate": 20, "life_exp": 71.386512195122 }, { "year": 1970, "country": "Hungary", "birth_rate": 14.7, "life_exp": 69.1646341463415 }, { "year": 1970, "country": "Iceland", "birth_rate": 19.7, "life_exp": 73.9339024390244 }, { "year": 1970, "country": "India", "birth_rate": 39.145, "life_exp": 47.721 }, { "year": 1970, "country": "Indonesia", "birth_rate": 39.969, "life_exp": 54.537 }, { "year": 1970, "country": "Iran, Islamic Rep.", "birth_rate": 42.099, "life_exp": 50.856 }, { "year": 1970, "country": "Iraq", "birth_rate": 45.644, "life_exp": 58.199 }, { "year": 1970, "country": "Ireland", "birth_rate": 21.8, "life_exp": 71.0314390243903 }, { "year": 1970, "country": "Israel", "birth_rate": 26.1, "life_exp": 71.2134146341463 }, { "year": 1970, "country": "Italy", "birth_rate": 16.7, "life_exp": 71.5587804878049 }, { "year": 1970, "country": "Jamaica", "birth_rate": 35.184, "life_exp": 68.324 }, { "year": 1970, "country": "Japan", "birth_rate": 18.7, "life_exp": 71.950243902439 }, { "year": 1970, "country": "Jordan", "birth_rate": 50.793, "life_exp": 60.171 }, { "year": 1970, "country": "Kazakhstan", "birth_rate": 25.607, "life_exp": 62.2764634146342 }, { "year": 1970, "country": "Kenya", "birth_rate": 50.735, "life_exp": 52.222 }, { "year": 1970, "country": "Kiribati", "birth_rate": 34.614, "life_exp": 54.384 }, { "year": 1970, "country": "Korea, Dem. People’s Rep.", "birth_rate": 36.881, "life_exp": 59.656 }, { "year": 1970, "country": "Korea, Rep.", "birth_rate": 31.2, "life_exp": 62.1634146341463 }, { "year": 1970, "country": "Kuwait", "birth_rate": 48.251, "life_exp": 66.027 }, { "year": 1970, "country": "Kyrgyz Republic", "birth_rate": 32.318, "life_exp": 60.2449024390244 }, { "year": 1970, "country": "Lao PDR", "birth_rate": 43.028, "life_exp": 46.273 }, { "year": 1970, "country": "Latvia", "birth_rate": 14.6, "life_exp": 69.8353658536586 }, { "year": 1970, "country": "Lebanon", "birth_rate": 32.323, "life_exp": 66.067 }, { "year": 1970, "country": "Lesotho", "birth_rate": 42.756, "life_exp": 49.037 }, { "year": 1970, "country": "Liberia", "birth_rate": 49.055, "life_exp": 39.254 }, { "year": 1970, "country": "Libya", "birth_rate": 50.993, "life_exp": 56.052 }, { "year": 1970, "country": "Lithuania", "birth_rate": 17.7, "life_exp": 70.8043902439024 }, { "year": 1970, "country": "Luxembourg", "birth_rate": 13, "life_exp": 69.9834634146341 }, { "year": 1970, "country": "Macao SAR, China", "birth_rate": 11.569, "life_exp": 69.36 }, { "year": 1970, "country": "Macedonia, FYR", "birth_rate": 25.219, "life_exp": 66.301 }, { "year": 1970, "country": "Madagascar", "birth_rate": 48.047, "life_exp": 44.771 }, { "year": 1970, "country": "Malawi", "birth_rate": 53.782, "life_exp": 40.558 }, { "year": 1970, "country": "Malaysia", "birth_rate": 33.85, "life_exp": 64.445 }, { "year": 1970, "country": "Maldives", "birth_rate": 50.32, "life_exp": 44.241 }, { "year": 1970, "country": "Mali", "birth_rate": 50.357, "life_exp": 32.388 }, { "year": 1970, "country": "Malta", "birth_rate": 17.6, "life_exp": 71.33 }, { "year": 1970, "country": "Mauritania", "birth_rate": 46.109, "life_exp": 49.13 }, { "year": 1970, "country": "Mauritius", "birth_rate": 27.5, "life_exp": 63.1180487804878 }, { "year": 1970, "country": "Mexico", "birth_rate": 44.075, "life_exp": 61.369 }, { "year": 1970, "country": "Micronesia, Fed. Sts.", "birth_rate": 41.016, "life_exp": 61.634 }, { "year": 1970, "country": "Moldova", "birth_rate": 19.619, "life_exp": 65.045 }, { "year": 1970, "country": "Mongolia", "birth_rate": 44.044, "life_exp": 55.364 }, { "year": 1970, "country": "Montenegro", "birth_rate": 21.52, "life_exp": 69.929 }, { "year": 1970, "country": "Morocco", "birth_rate": 42.81, "life_exp": 52.572 }, { "year": 1970, "country": "Mozambique", "birth_rate": 48.309, "life_exp": 39.271 }, { "year": 1970, "country": "Myanmar", "birth_rate": 39.499, "life_exp": 50.989 }, { "year": 1970, "country": "Namibia", "birth_rate": 43.372, "life_exp": 52.338 }, { "year": 1970, "country": "Nepal", "birth_rate": 42.795, "life_exp": 40.544 }, { "year": 1970, "country": "Netherlands", "birth_rate": 18.3, "life_exp": 73.5856097560976 }, { "year": 1970, "country": "New Caledonia", "birth_rate": 35, "life_exp": 63.0292682926829 }, { "year": 1970, "country": "New Zealand", "birth_rate": 22.1, "life_exp": 71.2731707317073 }, { "year": 1970, "country": "Nicaragua", "birth_rate": 46.094, "life_exp": 53.685 }, { "year": 1970, "country": "Niger", "birth_rate": 56.951, "life_exp": 35.884 }, { "year": 1970, "country": "Nigeria", "birth_rate": 46.324, "life_exp": 40.97 }, { "year": 1970, "country": "Norway", "birth_rate": 16.7, "life_exp": 74.0880487804878 }, { "year": 1970, "country": "Oman", "birth_rate": 48.094, "life_exp": 50.31 }, { "year": 1970, "country": "Pakistan", "birth_rate": 43.111, "life_exp": 52.837 }, { "year": 1970, "country": "Panama", "birth_rate": 37.596, "life_exp": 65.529 }, { "year": 1970, "country": "Papua New Guinea", "birth_rate": 41.205, "life_exp": 48.512 }, { "year": 1970, "country": "Paraguay", "birth_rate": 37.309, "life_exp": 65.486 }, { "year": 1970, "country": "Peru", "birth_rate": 42.335, "life_exp": 53.457 }, { "year": 1970, "country": "Philippines", "birth_rate": 39.198, "life_exp": 60.832 }, { "year": 1970, "country": "Poland", "birth_rate": 16.8, "life_exp": 69.8682926829268 }, { "year": 1970, "country": "Portugal", "birth_rate": 20.8, "life_exp": 67.0731707317073 }, { "year": 1970, "country": "Puerto Rico", "birth_rate": 24.8, "life_exp": 71.5355365853659 }, { "year": 1970, "country": "Qatar", "birth_rate": 36.154, "life_exp": 68.313 }, { "year": 1970, "country": "Romania", "birth_rate": 21.1, "life_exp": 68.0564146341464 }, { "year": 1970, "country": "Russian Federation", "birth_rate": 14.671, "life_exp": 68.1336585365854 }, { "year": 1970, "country": "Rwanda", "birth_rate": 49.911, "life_exp": 44.338 }, { "year": 1970, "country": "Samoa", "birth_rate": 41.229, "life_exp": 54.777 }, { "year": 1970, "country": "Sao Tome and Principe", "birth_rate": 41.043, "life_exp": 55.859 }, { "year": 1970, "country": "Saudi Arabia", "birth_rate": 46.773, "life_exp": 52.693 }, { "year": 1970, "country": "Senegal", "birth_rate": 50.082, "life_exp": 39.227 }, { "year": 1970, "country": "Sierra Leone", "birth_rate": 48.771, "life_exp": 34.601 }, { "year": 1970, "country": "Singapore", "birth_rate": 22.1, "life_exp": 68.2794146341463 }, { "year": 1970, "country": "Slovak Republic", "birth_rate": 17.8, "life_exp": 70.134243902439 }, { "year": 1970, "country": "Slovenia", "birth_rate": 15.9, "life_exp": 68.609756097561 }, { "year": 1970, "country": "Solomon Islands", "birth_rate": 45.384, "life_exp": 54.252 }, { "year": 1970, "country": "Somalia", "birth_rate": 46.606, "life_exp": 40.958 }, { "year": 1970, "country": "South Africa", "birth_rate": 37.785, "life_exp": 55.852 }, { "year": 1970, "country": "South Sudan", "birth_rate": 50.911, "life_exp": 35.807 }, { "year": 1970, "country": "Spain", "birth_rate": 19.5, "life_exp": 72.0273170731707 }, { "year": 1970, "country": "Sri Lanka", "birth_rate": 30.601, "life_exp": 64.097 }, { "year": 1970, "country": "St. Lucia", "birth_rate": 38.748, "life_exp": 63.017 }, { "year": 1970, "country": "St. Vincent and the Grenadines", "birth_rate": 40.396, "life_exp": 65.1 }, { "year": 1970, "country": "Sudan", "birth_rate": 47.184, "life_exp": 52.234 }, { "year": 1970, "country": "Suriname", "birth_rate": 36.931, "life_exp": 63.268 }, { "year": 1970, "country": "Sweden", "birth_rate": 13.7, "life_exp": 74.6492682926829 }, { "year": 1970, "country": "Switzerland", "birth_rate": 16.1, "life_exp": 73.020243902439 }, { "year": 1970, "country": "Syrian Arab Republic", "birth_rate": 46.147, "life_exp": 58.814 }, { "year": 1970, "country": "Tajikistan", "birth_rate": 42.362, "life_exp": 60.114 }, { "year": 1970, "country": "Tanzania", "birth_rate": 48.338, "life_exp": 46.718 }, { "year": 1970, "country": "Thailand", "birth_rate": 37.847, "life_exp": 59.387 }, { "year": 1970, "country": "Timor-Leste", "birth_rate": 42.847, "life_exp": 39.528 }, { "year": 1970, "country": "Togo", "birth_rate": 48.245, "life_exp": 46.568 }, { "year": 1970, "country": "Tonga", "birth_rate": 36.235, "life_exp": 64.876 }, { "year": 1970, "country": "Trinidad and Tobago", "birth_rate": 26.774, "life_exp": 65.081 }, { "year": 1970, "country": "Tunisia", "birth_rate": 41.224, "life_exp": 51.145 }, { "year": 1970, "country": "Turkey", "birth_rate": 39.992, "life_exp": 52.286 }, { "year": 1970, "country": "Turkmenistan", "birth_rate": 37.898, "life_exp": 58.472 }, { "year": 1970, "country": "Uganda", "birth_rate": 48.789, "life_exp": 48.827 }, { "year": 1970, "country": "Ukraine", "birth_rate": 15.141, "life_exp": 70.2352195121951 }, { "year": 1970, "country": "United Arab Emirates", "birth_rate": 37.156, "life_exp": 61.721 }, { "year": 1970, "country": "United Kingdom", "birth_rate": 16.2, "life_exp": 71.9731707317073 }, { "year": 1970, "country": "United States", "birth_rate": 18.4, "life_exp": 70.8073170731707 }, { "year": 1970, "country": "Uruguay", "birth_rate": 20.762, "life_exp": 68.617 }, { "year": 1970, "country": "Uzbekistan", "birth_rate": 37.06, "life_exp": 62.391 }, { "year": 1970, "country": "Vanuatu", "birth_rate": 42.035, "life_exp": 52.369 }, { "year": 1970, "country": "Venezuela, RB", "birth_rate": 37.394, "life_exp": 64.569 }, { "year": 1970, "country": "Vietnam", "birth_rate": 36.415, "life_exp": 59.571 }, { "year": 1970, "country": "Virgin Islands (U.S.)", "birth_rate": 31.2111111111111, "life_exp": 69.0511951219512 }, { "year": 1970, "country": "Yemen, Rep.", "birth_rate": 53.184, "life_exp": 41.161 }, { "year": 1970, "country": "Zambia", "birth_rate": 49.514, "life_exp": 49.039 }, { "year": 1970, "country": "Zimbabwe", "birth_rate": 47.447, "life_exp": 54.92 }, { "year": 2010, "country": "Afghanistan", "birth_rate": 39.232, "life_exp": 61.226 }, { "year": 2010, "country": "Albania", "birth_rate": 11.819, "life_exp": 76.652 }, { "year": 2010, "country": "Algeria", "birth_rate": 24.762, "life_exp": 74.676 }, { "year": 2010, "country": "Angola", "birth_rate": 45.314, "life_exp": 58.192 }, { "year": 2010, "country": "Antigua and Barbuda", "birth_rate": 17.308, "life_exp": 75.412 }, { "year": 2010, "country": "Argentina", "birth_rate": 18.154, "life_exp": 75.595 }, 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