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Data Chart - Crosshair Layer

This sample demonstrates the Crosshair Layer that provides crossing lines that meet at the actual value of every series that they are targeting. The sample options pane allows you to edit the properties of the layer, such as changing the thickness of the crosshair.
Category Item Highlight Options
Brush
Thickness 1
Opacity 1
Use Interpolation
Population data from:
U.S. Census Bureau
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HTML
                    <!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Crosshair Layer</title>

    <script src="http://ajax.aspnetcdn.com/ajax/modernizr/modernizr-2.8.3.js"></script>
    <script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
    <script src="http://code.jquery.com/ui/1.11.1/jquery-ui.min.js"></script>

    <!-- Ignite UI for jQuery Required Combined CSS Files -->
    <link href="http://cdn-na.infragistics.com/igniteui/2024.1/latest/css/themes/infragistics/infragistics.theme.css" rel="stylesheet" />
    <link href="http://cdn-na.infragistics.com/igniteui/2024.1/latest/css/structure/infragistics.css" rel="stylesheet" />

    <!--CSS file specific for chart styling -->
    <link href="http://cdn-na.infragistics.com/igniteui/2024.1/latest/css/structure/modules/infragistics.ui.chart.css" rel="stylesheet" />

    <!-- Ignite UI for jQuery Required Combined JavaScript Files -->
    <script src="http://cdn-na.infragistics.com/igniteui/2024.1/latest/js/infragistics.core.js"></script>
    <script src="http://cdn-na.infragistics.com/igniteui/2024.1/latest/js/infragistics.dv.js"></script>

</head>
<body>
    <script type="text/javascript">


        $(function () {

            var data = [
                { "CountryName": "China", "Pop1995": 1216, "Pop2005": 1297, "Pop2015": 1361, "Pop2025": 1394 },
                { "CountryName": "India", "Pop1995": 920, "Pop2005": 1090, "Pop2015": 1251, "Pop2025": 1396 },
                { "CountryName": "USA", "Pop1995": 266, "Pop2005": 295, "Pop2015": 322, "Pop2025": 351 },
                { "CountryName": "Indonesia", "Pop1995": 197, "Pop2005": 229, "Pop2015": 256, "Pop2025": 277 },
                { "CountryName": "Brazil", "Pop1995": 161, "Pop2005": 186, "Pop2015": 204, "Pop2025": 218 }
            ];

            $("#chart").igDataChart({
                width: "100%",
                height: "400px",
                title: "Population per Country",
                subtitle: "A comparison of population in 1995 and 2005",
                dataSource: data,
                horizontalZoomable: true,
                verticalZoomable: true,
                windowResponse: "immediate",
                axes: [
                {
                    name: "xAxis",
                    type: "categoryX",
                    title: "Country",
                    label: "CountryName",
                },
                {
                    name: "yAxis",
                    type: "numericY",
                    minimumValue: 0,
                    title: "Millions of People",
                }
                ],
                series: [
                {
                    name: "2005Population",
                    type: "column",
                    isTransitionInEnabled: true,
                    xAxis: "xAxis",
                    yAxis: "yAxis",
                    valueMemberPath: "Pop2005"
                },
                {
                    name: "1995Population",
                    type: "column",
                    isTransitionInEnabled: true,
                    xAxis: "xAxis",
                    yAxis: "yAxis",
                    valueMemberPath: "Pop1995"
                },
                {
                    name: "crosshairLayer",
                    title: "crosshair",
                    type: "crosshairLayer",
                    useInterpolation: false,
                    transitionDuration: 0,
                    isAxisAnnotationEnabled: true,
                    xAxisAnnotationTextColor: "white",
                    yAxisAnnotationTextColor: "white",
                }]
            })

            $("#brush").on({
                change: function (e) {
                    var brushColor = $(this).val();
                    $("#chart").igDataChart("option", "series", [{ name: "crosshairLayer", brush: brushColor }]);
                }
            });

            $("#thicknessSlider").slider({
                min: 0,
                max: 10,
                value: 2,
                slide: function (event, ui) {
                    $("#chart").igDataChart("option", "series", [{ name: "crosshairLayer", thickness: ui.value }]);
                    $("#thicknessLabel").text(ui.value);
                }
            });

            $("#opacitySlider").slider({
                min: 0,
                max: 1,
                step: 0.1,
                value: 0.5,
                slide: function (event, ui) {
                    $("#chart").igDataChart("option", "series", [{ name: "crosshairLayer", opacity: ui.value }]);
                    $("#opacityLabel").text(ui.value);
                }
            });

            $("#transitionDurationSlider").slider({
                min: 0,
                max: 1000,
                value: 500,
                slide: function (event, ui) {
                    $("#chart").igDataChart("option", "series", [{ name: "crosshairLayer", transitionDuration: ui.value }]);
                    $("#transitionDurationLabel").text(ui.value);
                }
            });

            $("#useInterpolationCheckBox").click(function (e) {
                var useInterpolationResult = $("#useInterpolationCheckBox").is(":checked") ? true : false;
                $("#chart").igDataChart("option", "series", [{ name: "crosshairLayer", useInterpolation: useInterpolationResult }]);
            });

        });

    </script>

    <style type="text/css">
        .chart {
            position: relative;
            float: left;
            margin-right: 10px;
        }

        .optionsPane {
            position: relative;
            float: initial;
            width: 210px;
            margin: 6px 3px 6px 6px;
            display: inline-block;
            padding-top: 18px;
        }

        .optionsColumn {
            float: left;
            position: relative;
            margin: 2px;
            padding: 2px;
            display: inline-block;
            -moz-border-radius: 4px;
            -webkit-border-radius: 4px;
            border-radius: 4px;
            border: 1px solid #e0e0e0;
        }

        .slider {
            width: 160px;
            margin: 10px 10px 10px 6px;
            padding-right: 3px;
            padding-left: 3px;
            display: inline-block;
            float: left;
        }

        .selector {
            height: 30px;
            width: 175px;
            margin: 10px 10px 4px 6px;
            padding-right: 3px;
            padding-left: 3px;
            display: inline-block;
            float: left;
        }

        .labels {
            padding-right: 7px;
        }

        .values {
            padding-left: 7px;
            padding-right: 7px;
            width: 15px;
        }
    </style>

    <div>
        <div class="chart" id="chart"></div>
        <div>
            <div class="optionsPane">
                <div><b>Category Item Highlight Options</b></div>
                <div class="optionsColumn">

                    <div>
                        <label class="labels">Brush</label>
                        <select class="selector" id="brush">
                            <option value="gray">gray</option>
                            <option value="blue">blue</option>
                            <option value="red">red</option>
                            <option value="green">green</option>
                            <option value="orange">orange</option>
                            <option value="violet">violet</option>
                            <option value="indigo">indigo</option>
                            <option value="black">black</option>
                            <option value="white">white</option>
                        </select>
                    </div>

                    <div>
                        <label class="labels">Thickness</label>
                        <label class="values" id="thicknessLabel">1</label>
                        <div class="slider" id="thicknessSlider"></div>
                    </div>

                    <div>
                        <label class="labels">Opacity</label>
                        <label class="values" id="opacityLabel">1</label>
                        <div class="slider" id="opacitySlider"></div>
                    </div>

                    <!--commented out because crosshair hides annotation after changing transition duration-->
                    <!--<div>
                        <label class="labels">Transition Duration</label>
                        <label class="values" id="transitionDurationLabel">500</label>
                        <div class="slider" id="transitionDurationSlider"></div>
                    </div>-->

                    <label class="labels">Use Interpolation</label>
                    <input class="checkbox" id="useInterpolationCheckBox" type="checkbox" checked />

                </div>

            </div>
        </div>

        <div class="USCensus-attribution">
            Population data from:<br />
            <a href="http://www.census.gov/" target="_blank">U.S. Census Bureau</a>
        </div>
    </div>
</body>
</html>
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Data Chart - Crosshair Layer

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