Ignite UI™ API Documentation

ui.igLinearGauge

Overview
Options
Events
Methods
Theming

The igLinearGauge control is an Ignite UI control which allows for visualizing data in the form of a linear gauge. It provides a simple and concise view of a primary value compared against a scale and one or more comparative ranges.

Code Sample

 
<!DOCTYPE html>
<html>
<head>
    <title></title>

    <!-- Ignite UI Required Combined CSS Files -->
    <link href="../../igniteui/css/themes/infragistics/infragistics.theme.css" rel="stylesheet" />
    <link href="../../igniteui/css/structure/infragistics.css" rel="stylesheet" />

    <!-- Used to style the API Viewer and Explorer UI -->
    <link href="../../css/apiviewer.css" rel="stylesheet" type="text/css" />

    <script src="../../js/modernizr.min.js"></script>
    <script src="../../js/jquery.min.js"></script>
    <script src="../../js/jquery-ui.min.js"></script>

    <!-- Ignite UI Required Combined JavaScript Files -->
    <script src="../../igniteui/js/infragistics.core.js"></script>
    <script src="../../igniteui/js/infragistics.dv.js"></script>

</head>
<body> 

    <div id="lineargauge" ></div> 

    <script type="text/javascript">
        $(function () {
            $("#lineargauge").igLinearGauge({
                height: "80px",
                width: "700px",
                value: 45,
                maximumValue: 60,
                ranges: [
                    {startValue:0, endValue:12, name:"target1"},
                    {startValue:12, endValue:24, name:"target2"},
                    {startValue:24, endValue:36, name:"target3"},
                    {startValue:36, endValue:48, name:"target4"},
                    {startValue:48, endValue:60, name:"target5"}]
            });
        });
    </script>
</body>
</html>

Related Samples

backingBrush

Type:: string
Default:: null

Gets or sets the brush to use to fill the backing of the linear gauge.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    backingBrush: "#164F6D"
});

// Get
var backingBrush = $(".selector").igLinearGauge("option", "backingBrush");

// Set
$(".selector").igLinearGauge("option", "backingBrush", "#164F6D");

backingInnerExtent

Type:: number
Default:: 0

Gets or sets the inner extent of the linear gauge backing.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    backingInnerExtent: 0.3
});

// Get
var backingInnerExtent = $(".selector").igLinearGauge("option", "backingInnerExtent");

// Set
$(".selector").igLinearGauge("option", "backingInnerExtent", 0.3);

backingOuterExtent

Type:: number
Default:: 1

Gets or sets the outer extent of the linear gauge backing.

Code Sample

// Initialize
$(".selector").igLinearGauge({
    backingOuterExtent: 0.65
});

// Get
var backingOuterExtent = $(".selector").igLinearGauge("option", "backingOuterExtent");

// Set
$(".selector").igLinearGauge("option", "backingOuterExtent", 0.65);

backingOutline

Type:: string
Default:: null

Gets or sets the brush to use for the outline of the backing.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    backingOutline: "#164F6D"
});

// Get
var backingOutline = $(".selector").igLinearGauge("option", "backingOutline");

// Set
$(".selector").igLinearGauge("option", "backingOutline", "#164F6D");

backingStrokeThickness

Type:: number
Default:: 2

Gets or sets the stroke thickness of the backing outline.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    backingStrokeThickness: 3
});

// Get
var backingStrokeThickness = $(".selector").igLinearGauge("option", "backingStrokeThickness");

// Set
$(".selector").igLinearGauge("option", "backingStrokeThickness", 3);

font

Type:: string
Default:: null

Gets or sets the font.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    font: "20px Georgia"
});

// Get
var font = $(".selector").igLinearGauge("option", "font");

// Set
$(".selector").igLinearGauge("option", "font", "20px Georgia");

fontBrush

Type:: string
Default:: null

Gets or sets the brush to use for the label font.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    fontBrush: "#164F6D"
});

// Get
var fontBrush = $(".selector").igLinearGauge("option", "fontBrush");

// Set
$(".selector").igLinearGauge("option", "fontBrush", "#164F6D");

height

Type:

enumeration

Default:

null
The height of the gauge. It can be set as a number in pixels, string (px) or percentage (%).
Members
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    height: "150px"
});

// Get
var height = $(".selector").igLinearGauge("option", "height");

// Set
$(".selector").igLinearGauge("option", "height", "150px");
      
```

interval

Type:: number
Default:: 0

Gets or sets the interval to use for the scale.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    interval: 15
});

// Get
var interval = $(".selector").igLinearGauge("option", "interval");

// Set
$(".selector").igLinearGauge("option", "interval", 15);

isNeedleDraggingEnabled

Type:: bool
Default:: false

Gets or sets whether needle dragging is enabled or not.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    isNeedleDraggingEnabled: true
});

// Get
var isDraggingEnabled = $(".selector").igLinearGauge("option", "isNeedleDraggingEnabled");

// Set
$(".selector").igLinearGauge("option", "isNeedleDraggingEnabled", true);

isScaleInverted

Type:: bool
Default:: false

Gets or sets a value indicating whether the scale is inverted.
When the scale is inverted the direction in which the scale values increase is right to left.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    isScaleInverted: true
});

// Get
var isScaleInverted = $(".selector").igLinearGauge("option", "isScaleInverted");

// Set
$(".selector").igLinearGauge("option", "isScaleInverted", true);

labelExtent

Type:

number

Default:

0
Gets or sets the position at which to put the labels as a value from 0 to 1, measured from the bottom of the scale.
Values further from zero than 1 can be used to hide the labels of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    labelExtent: 0.65
});

// Get
var labelExtent = $(".selector").igLinearGauge("option", "labelExtent");

// Set
$(".selector").igLinearGauge("option", "labelExtent", 0.65);
      
```

labelInterval

Type:: number
Default:: 0

Gets or sets the interval to use for rendering labels. This defaults to be the same interval as the tickmarks on the scale.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    labelInterval: 15
});

// Get
var labelInterval = $(".selector").igLinearGauge("option", "labelInterval");

// Set
$(".selector").igLinearGauge("option", "labelInterval", 15);

labelsPostInitial

Type:: number
Default:: 0

A value to start adding labels, added to the scale's MinimumValue.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    labelsPostInitial: 5000
});

// Get
var labelsPostInitial = $(".selector").igLinearGauge("option", "labelsPostInitial");

// Set
$(".selector").igLinearGauge("option", "labelsPostInitial", 5000);

labelsPreTerminal

Type:: number
Default:: 0

A value to stop adding labels, subtracted from the scale's MaximumValue.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    labelsPreTerminal: 5000
});

// Get
var labelsPreTerminal = $(".selector").igLinearGauge("option", "labelsPreTerminal");

// Set
$(".selector").igLinearGauge("option", "labelsPreTerminal", 5000);

maximumValue

Type:: number
Default:: 100

Gets or sets the maximum value of the scale.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    maximumValue: 5000
});

// Get
var maximumValue = $(".selector").igLinearGauge("option", "maximumValue");

// Set
$(".selector").igLinearGauge("option", "maximumValue", 5000);

minimumValue

Type:: number
Default:: 0

Gets or sets the minimum value of the scale.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    minimumValue: 500
});

// Get
var minimumValue = $(".selector").igLinearGauge("option", "minimumValue");

// Set
$(".selector").igLinearGauge("option", "minimumValue", 500);

minorTickBrush

Type:: string
Default:: null

Gets or sets the brush to use for the minor tickmarks.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    minorTickBrush: "blue"
});

// Get
var minorTickBrush = $(".selector").igLinearGauge("option", "minorTickBrush");

// Set
$(".selector").igLinearGauge("option", "minorTickBrush", "blue");

minorTickCount

Type:: number
Default:: 4

Gets or sets the number of minor tickmarks to place between major tickmarks.

Code Sample

// Initialize
$(".selector").igLinearGauge({
    minorTickCount: 5
});

// Get
var minorTickCount = $(".selector").igLinearGauge("option", "minorTickCount");

// Set
$(".selector").igLinearGauge("option", "minorTickCount", 5);

minorTickEndExtent

Type:

number

Default:

0.35
Gets or sets the position at which to stop rendering the minor tickmarks as a value from 0 to 1, measured from the front/bottom of the linear gauge.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
// Initialize
$(".selector").igLinearGauge({
    minorTickEndExtent: .5
});

// Get
var minorTickEndExtent = $(".selector").igLinearGauge("option", "minorTickEndExtent");

// Set
$(".selector").igLinearGauge("option", "minorTickEndExtent", .5);
      
```
minorTickStartExtent

Type:

number

Default:

0.05
Gets or sets the position at which to start rendering the minor tickmarks as a value from 0 to 1, measured from the front/bottom of the linear gauge.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
// Initialize
$(".selector").igLinearGauge({
    minorTickStartExtent: .05
});

// Get
var minorTickStartExtent = $(".selector").igLinearGauge("option", "minorTickStartExtent");

// Set
$(".selector").igLinearGauge("option", "minorTickStartExtent", .05);
       
```

minorTickStrokeThickness

Type:: number
Default:: 1

Gets or sets the stroke thickness to use when rendering minor ticks.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    minorTickStrokeThickness: 4
});

// Get
var minorTickStrokeThickness = $(".selector").igLinearGauge("option", "minorTickStrokeThickness");

// Set
$(".selector").igLinearGauge("option", "minorTickStrokeThickness", 4);

needleBreadth

Type:: number
Default:: 6

Gets or sets the needle breadth.

Code Sample

 
      // Initialize
$(".selector").igLinearGauge({
    needleBreadth: 4
});

// Get
var needleBreadth = $(".selector").igLinearGauge("option", "needleBreadth");

// Set
$(".selector").igLinearGauge("option", "needleBreadth", 4);

needleBrush

Type:: string
Default:: null

Gets or sets the brush to use for needle element.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleBrush: "green"
});

// Get
var needleBrush = $(".selector").igLinearGauge("option", "needleBrush");

// Set
$(".selector").igLinearGauge("option", "needleBrush", "green");

needleInnerBaseWidth

Type:: number
Default:: 0

Gets or sets the width of the needle's inner base.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleInnerBaseWidth: .5
});

// Get
var needleInnerBaseWidth = $(".selector").igLinearGauge("option", "needleInnerBaseWidth");

// Set
$(".selector").igLinearGauge("option", "needleInnerBaseWidth", .5);

needleInnerExtent

Type:

number

Default:

0
Gets or sets the position at which to start rendering the needle geometry, measured from the front/bottom of the linear gauge as a value from 0 to 1.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    needleInnerExtent: .5
});

// Get
var needleInnerExtent = $(".selector").igLinearGauge("option", "needleInnerExtent");

// Set
$(".selector").igLinearGauge("option", "needleInnerExtent", .5);
      
```

needleInnerPointExtent

Type:: number
Default:: 0

Gets or sets the extent of the needle's inner point.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleInnerPointExtent: .5
});

// Get
var needleInnerPointExtent = $(".selector").igLinearGauge("option", "needleInnerPointExtent");

// Set
$(".selector").igLinearGauge("option", "needleInnerPointExtent", .5);

needleInnerPointWidth

Type:: number
Default:: 0

Gets or sets the width of the needle's inner point.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleInnerPointWidth: .5
});

// Get
var needleInnerPointWidth = $(".selector").igLinearGauge("option", "needleInnerPointWidth");

// Set
$(".selector").igLinearGauge("option", "needleInnerPointWidth", .5);

needleName

Type:: string
Default:: null

Gets or sets the name used for needle.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleName: "Value: "
});

// Get
var needleName = $(".selector").igLinearGauge("option", "needleName");

// Set
$(".selector").igLinearGauge("option", "needleName", "Value: ");

needleOuterBaseWidth

Type:: number
Default:: 0

Gets or sets the width of the needle's outer base.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleOuterBaseWidth: .5
});

// Get
var needleOuterBaseWidth = $(".selector").igLinearGauge("option", "needleOuterBaseWidth");

// Set
$(".selector").igLinearGauge("option", "needleOuterBaseWidth", .5);

needleOuterExtent

Type:

number

Default:

0
Gets or sets the position at which to stop rendering the needle geometry as a value from 0 to 1 measured from the front/bottom of the linear gauge.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    needleOuterExtent: .5
});

// Get
var needleOuterExtent = $(".selector").igLinearGauge("option", "needleOuterExtent");

// Set
$(".selector").igLinearGauge("option", "needleOuterExtent", .5);
      
```

needleOuterPointExtent

Type:: number
Default:: 0

Gets or sets the extent of the needle's outer point.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleOuterPointExtent: .5
});

// Get
var needleOuterPointExtent = $(".selector").igLinearGauge("option", "needleOuterPointExtent");

// Set
$(".selector").igLinearGauge("option", "needleOuterPointExtent", .5);

needleOuterPointWidth

Type:: number
Default:: 0

Gets or sets the width of the needle's outer point.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleOuterPointWidth: .5
});

// Get
var needleOuterPointWidth = $(".selector").igLinearGauge("option", "needleOuterPointWidth");

// Set
$(".selector").igLinearGauge("option", "needleOuterPointWidth", .5);

needleOutline

Type:: string
Default:: null

Gets or sets the brush to use for the outline of needle element.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleOutline: "green"
});

// Get
var needleOutline = $(".selector").igLinearGauge("option", "needleOutline");

// Set
$(".selector").igLinearGauge("option", "needleOutline", "green");

needleShape

Type:

enumeration

Default:

needle
Gets or sets the shape to use when rendering the needle from a number of options.
Members
- custom
- Type:string
- A custom user defined needle shape.
- rectangle
- Type:string
- A needle shaped like a rectangle.
- triangle
- Type:string
- A needle shaped like a triangle.
- needle
- Type:string
- A needle shaped like a needle.
- trapezoid
- Type:string
- A needle shaped like a trapezoid.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    needleShape: "triangle"
});

// Get
var needleShape = $(".selector").igLinearGauge("option", "needleShape");

// Set
$(".selector").igLinearGauge("option", "needleShape", "trapezoid");
      
```

needleStrokeThickness

Type:: number
Default:: 1

Gets or sets the stroke thickness to use when rendering single actual value element.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    needleStrokeThickness: .5
});

// Get
var needleStrokeThickness = $(".selector").igLinearGauge("option", "needleStrokeThickness");

// Set
$(".selector").igLinearGauge("option", "needleStrokeThickness", .5);

needleToolTipTemplate

Type:: string
Default:: null

Gets or sets the needle's tooltip template.

Code Sample

 
<script id="myNeedleToolTipTemplateScript" type="text/x-jquery-tmpl">
    <div class='ui-lineargauge-needle-tooltip' style='background-color: ${itemBrush};'>
        <span>${label}</span>
    </div>
</script>
      
// Initialize
$(".selector").igLinearGauge({
    showToolTip: true,
    needleToolTipTemplate: "myNeedleToolTipTemplateScript"
});

// Get
var needleToolTipTemplate = $(".selector").igLinearGauge("option", "needleToolTipTemplate");

// Set
$(".selector").igLinearGauge("option", "needleToolTipTemplate", "myNeedleToolTipTemplateScript");

orientation

Type:: enumeration
Default:: horizontal

Gets or sets the orientation of the scale.

Members

horizontal
Type:string
The scale has a horizontal orientation.
vertical
Type:string
The scale has a vertical orientation.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    orientation: "vertical"
});

// Get
var orientation = $(".selector").igLinearGauge("option", "orientation");

// Set
$(".selector").igLinearGauge("option", "orientation", "vertical");

pixelScalingRatio

Type:

number

Default:

0
Gets or sets the scaling value used to affect the pixel density of the control.
A higher scaling ratio will produce crisper visuals at the expense of memory. Lower values will cause the control
to appear blurry.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    pixelScalingRatio: 2
});
 
// Get
var pixelScalingRatio = $(".selector").igLinearGauge("option", "pixelScalingRatio");

// Set
$(".selector").igLinearGauge("option", "pixelScalingRatio", 2);
	  
```
rangeBrushes

Type:

object

Default:

null
Gets or sets a collection of brushes to be used as the palette for linear gauge ranges.
The value provided should be an array of css color strings or JavaScript objects defining gradients. Optionally the first element can be a string reading "RGB" or "HSV" to specify the interpolation mode of the collection.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    rangeBrushes: ["#164F6D", "green", "#AF3", "yellow"],
});

// Get
var rangeBrushes = $(".selector").igLinearGauge("option", "rangeBrushes");

// Set
$(".selector").igLinearGauge("option", "rangeBrushes", ["#164F6D", "green", "#AF3", "yellow"]);
      
```
rangeInnerExtent

Type:

number

Default:

0.05
Gets or sets the position at which to start rendering the ranges, measured from the front/bottom of the control as a value from 0 to 1.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    rangeInnerExtent: 0.4,
});

// Get
var rangeInnerExtent = $(".selector").igLinearGauge("option", "rangeInnerExtent");

// Set
$(".selector").igLinearGauge("option", "rangeInnerExtent", 0.4);
      
```
rangeOuterExtent

Type:

number

Default:

0.65
Gets or sets the position at which to stop rendering the range as a value from 0 to 1 measured from the front/bottom of the linear gauge.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    rangeOuterExtent: 0.4,
});

// Get
var rangeOuterExtent = $(".selector").igLinearGauge("option", "rangeOuterExtent");

// Set
$(".selector").igLinearGauge("option", "rangeOuterExtent", 0.4);
      
```
rangeOutlines

Type:

object

Default:

null
Gets or sets a collection of brushes to be used as the palette for linear gauge outlines.
The value provided should be an array of css color strings or JavaScript objects defining gradients. Optionally the first element can be a string reading "RGB" or "HSV" to specify the interpolation mode of the collection.
Code Sample
```
// Initialize
$(".selector").igLinearGauge({
    rangeOutlines: ["#164F6D", "green", "#AF3", "yellow"],
});

// Get
var rangeOutlines = $(".selector").igLinearGauge("option", "rangeOutlines");

// Set
$(".selector").igLinearGauge("option", "rangeOutlines", ["#164F6D", "green", "#AF3", "yellow"]);
      
```

ranges

Type:: array
Default:: []
Elements Type:: object

Gets or sets the scale ranges to render on the linear gauge.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    ranges: [
                    {
                        name: 'bad',
                        startValue: 0,
                        endValue: 50
                    },
                    {
                        name: 'acceptable',
                        startValue: 50,
                        endValue: 80
                    },
                    {
                        name: 'good',
                        startValue: 80,
                        endValue: 100
                    }
    ]
});

// Get
var ranges = $(".selector").igLinearGauge("option", "ranges");

// Set
$(".selector").igLinearGauge("option", "ranges", [
                    {
                        name: 'bad',
                        startValue: 0,
                        endValue: 50
                    },
                    {
                        name: 'acceptable',
                        startValue: 50,
                        endValue: 80
                    },
                    {
                        name: 'good',
                        startValue: 80,
                        endValue: 100
                    }
]);

brush

Type:: string
Default:: null

Gets or sets the brush to use to fill the range.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1", brush: "rgba(164, 189, 41, 1)" }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var brush = ranges[0].brush;

//Set
$(".selector").igLinearGauge("option", "ranges", [{name: "range1", brush:"red" }]);

endValue

Type:: number
Default:: 0

Gets or sets the value at which the range ends along the scale.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1", endValue: 50 }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var endValue = ranges[0].endValue;

//Set
$(".selector").igLinearGauge("option", "ranges", [{name: "range1", endValue: 50 }]);

innerEndExtent

Type:: number
Default:: 0

Gets or sets the distance measured from the front/bottom of the bullet graph (from 0 to 1) at which to end rendering the inner edge of the range.
Values further from zero than 1 can be used to make this extend further than the normal width/height of the bullet graph.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1", innerEndExtent: 0.2 }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var innerEndExtent = ranges[0].innerEndExtent;

//Set
$(".selector").igLinearGauge("option", "ranges", [{name: "range1", innerEndExtent: 0.2 }]);

innerStartExtent

Type:: number
Default:: 0

Gets or sets the distance measured from the front/bottom of the bullet graph (from 0 to 1) at which to start rendering the inner edge of the range.
Values further from zero than 1 can be used to make this extend further than the normal width/height of the bullet graph.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1", innerStartExtent: 0.2 }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var innerStartExtent = ranges[0].innerStartExtent;

//Set
$(".selector").igLinearGauge("option", "ranges", [{name: "range1", innerStartExtent: 0.2 }]);

name

Type:: string
Default:: null

Gets or sets the name of the range.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1" }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var name = ranges[0].name;

outerEndExtent

Type:: number
Default:: 0

Gets or sets the distance measured from the front/bottom of the bullet graph (from 0 to 1) at which to end rendering the outer edge of the range.
Values further from zero than 1 can be used to make this extend further than the normal width/height of the bullet graph.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1", outerEndExtent: 0.8 }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var outerEndExtent = ranges[0].outerEndExtent;

//Set
$(".selector").igLinearGauge("option", "ranges", [{name: "range1", outerEndExtent: 0.8 }]);

outerStartExtent

Type:: number
Default:: 0

Gets or sets the distance measured from the front/bottom of the bullet graph (from 0 to 1) at which to start rendering the outer edge of the range.
Values further from zero than 1 can be used to make this extend further than the normal width/height of the bullet graph.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1", outerStartExtent: 0.8 }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var outerStartExtent = ranges[0].outerStartExtent;

//Set
$(".selector").igLinearGauge("option", "ranges", [{name: "range1", outerStartExtent: 0.8 }]);

outline

Type:: string
Default:: null

Gets or sets the outline to use when rendering the range.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1", outline: "green" }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var outline = ranges[0].outline;

//Set
$(".selector").igLinearGauge("option", "ranges", [{ name: "range1", outline: "green" }]);

startValue

Type:: number
Default:: 0

Gets or sets the value at which the range starts along the scale.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1", startValue: 20 }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var startValue = ranges[0].startValue;

//Set
$(".selector").igLinearGauge("option", "ranges", [{name: "range1", startValue: 20 }]);

strokeThickness

Type:: number
Default:: 1

Gets or sets the stroke thickness to use when rendering this range's outline.

Code Sample

 
//Initialize
$(".selector").igLinearGauge({
    ranges: [
        { name: "range1", strokeThickness: 3 }
    ]
});

//Get
var ranges = $(".selector").igLinearGauge("option", "ranges");
var strokeThickness = ranges[0].strokeThickness;

//Set
$(".selector").igLinearGauge("option", "ranges", [{ name: "range1", strokeThickness: 3 }]);

rangeToolTipTemplate

Type:: string
Default:: null

Gets or sets the ranges' tooltip template.

Code Sample

 
<script id="myRangeToolTipTemplateScript" type="text/x-jquery-tmpl">
	<div class='ui-lineargauge-range-tooltip'  > 
        <font color='${itemBrush}'>
            ${item.name} : ${item.startValue}% - ${item.endValue}%
        </font> 
    </div>
</script>
      
// Initialize
$(".selector").igLinearGauge({
    showToolTip: true,
    rangeTooltipTemplate: "myRangeToolTipTemplateScript"
});

// Get
var rangeToolTipTemplate = $(".selector").igLinearGauge("option", "rangeToolTipTemplate");

// Set
$(".selector").igLinearGauge("option", "rangeToolTipTemplate", "myRangeToolTipTemplateScript");

scaleBrush

Type:: string
Default:: null

Gets or sets the brush to use to fill the scale of the linear gauge.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    scaleBrush: "green"
});

// Get
var scaleBrush = $(".selector").igLinearGauge("option", "scaleBrush");

// Set
$(".selector").igLinearGauge("option", "scaleBrush", "green");

scaleEndExtent

Type:

number

Default:

0.95
Gets or sets the position at which to stop rendering the scale as a value from 0 to 1, measured from the front/bottom of the linear gauge.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    scaleEndExtent: .7
});

// Get
var scaleEndExtent = $(".selector").igLinearGauge("option", "scaleEndExtent");

// Set
$(".selector").igLinearGauge("option", "scaleEndExtent", .7);
      
```
scaleInnerExtent

Type:

number

Default:

0.05
Gets or sets the position at which to start rendering the scale, measured from the bottom/front (when orientation is horizontal/vertical) of the control as a value from 0 to 1.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
      // Initialize
$(".selector").igLinearGauge({
    scaleInnerExtent: .7
});

// Get
var scaleInnerExtent = $(".selector").igLinearGauge("option", "scaleInnerExtent");

// Set
$(".selector").igLinearGauge("option", "scaleInnerExtent", .7);      
      
```
scaleOuterExtent

Type:

number

Default:

0.65
Gets or sets the position at which to stop rendering the scale as a value from 0 to 1 measured from the bottom/front (when orientation is horizontal/vertical) of the linear gauge.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    scaleOuterExtent: .7
});

// Get
var scaleOuterExtent = $(".selector").igLinearGauge("option", "scaleOuterExtent");

// Set
$(".selector").igLinearGauge("option", "scaleOuterExtent", .7);
      
```

scaleOutline

Type:: string
Default:: null

Gets or sets the brush to use for the outline of the scale.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    scaleOutline: "green"
});

// Get
var scaleOutline = $(".selector").igLinearGauge("option", "scaleOutline");

// Set
$(".selector").igLinearGauge("option", "scaleOutline", "green");

scaleStartExtent

Type:

number

Default:

0.05
Gets or sets the position at which to start rendering the scale, measured from the front/bottom of the linear gauge as a value from 0 to 1.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    scaleStartExtent: .1
});

// Get
var scaleStartExtent = $(".selector").igLinearGauge("option", "scaleStartExtent");

// Set
$(".selector").igLinearGauge("option", "scaleStartExtent", .1);
      
```

scaleStrokeThickness

Type:: number
Default:: 1

Gets or sets the stroke thickness of the scale outline.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    scaleStrokeThickness: .3
});

// Get
var scaleStrokeThickness = $(".selector").igLinearGauge("option", "scaleStrokeThickness");

// Set
$(".selector").igLinearGauge("option", "scaleStrokeThickness", .3);

showToolTip

Type:: bool
Default:: false

Gets or sets a value indicating whether tooltips are enabled.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    showToolTip: true
});

// Get
var showToolTip = $(".selector").igLinearGauge("option", "showToolTip");

// Set
$(".selector").igLinearGauge("option", "showToolTip", true);

showToolTipTimeout

Type:: number
Default:: 0

Gets or sets the time in milliseconds that tooltip appearance is delayed with.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    showToolTipTimeout: 2000
});

// Get
var showToolTipTimeout = $(".selector").igLinearGauge("option", "showToolTipTimeout");

// Set
$(".selector").igLinearGauge("option", "showToolTipTimeout", 2000);

tickBrush

Type:: string
Default:: null

Gets or sets the brush to use for the major tickmarks.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    tickBrush: "blue"
});

// Get
var tickBrush = $(".selector").igLinearGauge("option", "tickBrush");

// Set
$(".selector").igLinearGauge("option", "tickBrush", "blue");

tickEndExtent

Type:

number

Default:

0.65
Gets or sets the position at which to stop rendering the major tickmarks as a value from 0 to 1, measured from the front/bottom of the linear gauge.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    tickEndExtent: .5
});

// Get
var tickEndExtent = $(".selector").igLinearGauge("option", "tickEndExtent");

// Set
$(".selector").igLinearGauge("option", "tickEndExtent", .5);
      
```

ticksPostInitial

Type:: number
Default:: 0

A value to start adding tickmarks, added to the scale's MinimumValue.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    ticksPostInitial: 50
});

// Get
var ticksPostInitial = $(".selector").igLinearGauge("option", "ticksPostInitial");

// Set
$(".selector").igLinearGauge("option", "ticksPostInitial", 50);

ticksPreTerminal

Type:: number
Default:: 0

A value to stop adding tickmarks, subtracted from the scale's MaximumValue.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    ticksPreTerminal: 50
});

// Get
var ticksPreTerminal = $(".selector").igLinearGauge("option", "ticksPreTerminal");

// Set
$(".selector").igLinearGauge("option", "ticksPreTerminal", 50);

tickStartExtent

Type:

number

Default:

0.05
Gets or sets the position at which to start rendering the major tickmarks as a value from 0 to 1, measured from the front/bottom of the linear gauge.
Values further from zero than 1 can be used to make this extend further than the normal size of the linear gauge.
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    tickStartExtent: .05
});

// Get
var tickStartExtent = $(".selector").igLinearGauge("option", "tickStartExtent");

// Set
$(".selector").igLinearGauge("option", "tickStartExtent", .05);
```

tickStrokeThickness

Type:: number
Default:: 2

Gets or sets the stroke thickness to use when rendering ticks.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    tickStrokeThickness: 4
});

// Get
var tickStrokeThickness = $(".selector").igLinearGauge("option", "tickStrokeThickness");

// Set
$(".selector").igLinearGauge("option", "tickStrokeThickness", 4);

transitionDuration

Type:: number
Default:: 0

Gets or sets the number of milliseconds over which changes to the linear gauge should be animated.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    transitionDuration: 2000
});

// Get
var transitionDuration = $(".selector").igLinearGauge("option", "transitionDuration");

// Set
$(".selector").igLinearGauge("option", "transitionDuration", 2000);

value

Type:: number
Default:: 0

Gets or sets the value at which the needle is positioned.

Code Sample

 
// Initialize
$(".selector").igLinearGauge({
    value: 50
});

// Get
var value = $(".selector").igLinearGauge("option", "value");

// Set
$(".selector").igLinearGauge("option", "value", 50);

width

Type:

enumeration

Default:

null
The width of the gauge. It can be set as a number in pixels, string (px) or percentage (%).
Members
Code Sample
```
 
// Initialize
$(".selector").igLinearGauge({
    width: "400px"
});

// Get
var width = $(".selector").igLinearGauge("option", "width");

// Set
$(".selector").igLinearGauge("option", "width", "400px");
      
```

For more information on how to interact with the Ignite UI controls' events, refer to
Using Events in Ignite UI.

Note: Calling API methods programmatically does not raise events related to their operation unless specifically stated otherwise by the corresponding API documentation; those events are only raised by their respective user interaction.

Show Details

alignLabel

Cancellable:: false

Event which is raised when a label of the linear gauge is aligned along the scale.
Function takes first argument evt and second argument ui.
Use ui.owner to obtain reference to the gauge widget.
Use ui.actualMinimumValue to obtain the minimum value of the gauge scale.
Use ui.actualMaximumValue to obtain the maximum value of the gauge scale.
Use ui.value to obtain the value on the gauge scale associated with the label.
Use ui.label to obtain the string value of the label.
Use ui.width to obtain the width of the label.
Use ui.height to obtain the height of the label.
Use ui.offsetX to obtain the X offset of the label on the gauge scale.
Use ui.offsetY to obtain the Y offset of the label on the gauge scale.

Code Sample

 
//Bind
$(document).delegate(".selector", "iglineargaugealignlabel", function (evt, ui) {
    // Get reference to igLinearGauge.
    ui.owner;
   
    // Get the mimimum value of the gauge scale
    ui.actualMinimumValue;
     
    // Get the maximum value of the gauge scale
    ui.actualMaximumValue; 
    
    // Get the value on the gauge scale associated with the label.
    ui.value;
            
    // Get whether the string value of the label.    
    ui.label;
            
    //Get the width of the label.
    ui.width;
            
    // Get the height of the label.
    ui.height;
            
    // Get the X offset of the label on the gauge scale.
    ui.offsetX;
            
    // Get the Y offset of the label on the gauge scale.
    ui.offsetY;
});
  
// Initialize
$(".selector").igLinearGauge({
    alignLabel: function(evt, ui) {...}
});

formatLabel

Cancellable:: false

Event which is raised when a label of the the gauge is formatted.
Function takes first argument evt and second argument ui.
Use ui.owner to obtain reference to the gauge widget.
Use ui.actualMinimumValue to obtain the minimum value of the gauge scale.
Use ui.actualMaximumValue to obtain the maximum value of the gauge scale.
Use ui.value to obtain the value on the the gauge scale associated with the label.
Use ui.label to obtain the string value of the label.

Code Sample

 
//Bind
$(document).delegate(".selector", "iglineargaugeformatlabel", function (evt, ui) {
    // Get reference to igLinearGauge.
    ui.owner;
   
    // Get the mimimum value of gauge scale
    ui.actualMinimumValue;
     
    // Get the maximum value of gauge scale
    ui.actualMaximumValue; 
    
    // Get the value on the gauge scale associated with the label.
    ui.value;
            
    // Get whether the string value of the label.    
    ui.label;
});
  
// Initialize
$(".selector").igLinearGauge({
    formatLabel: function(evt, ui) {...}
});

valueChanged

Cancellable:: false

Occurs when the Value property changes.

Code Sample

 
//Bind
$(document).delegate(".selector", "iglineargaugevaluechanged", function (evt, ui) {
    // Get reference to igLinearGauge.
    ui.owner;

    // Get the previous value before the change.
    ui.oldValue;

    // Get the new value after the change.
    ui.newValue;
});
  
// Initialize
$(".selector").igLinearGauge({
    valueChanged: function(evt, ui) {...}
});

Show Details

addRange

.igLinearGauge( "addRange", value:object );
Adds a new range to the linear gauge.
- value
- Type:object
- The range object to be added.
Code Sample
```
 $(".selector").igLinearGauge("addRange", { name: "Range1", value: 10, endValue: 40, brush: "red" }); 
```
destroy

.igLinearGauge( "destroy" );
Destroys widget.
Code Sample
```
 $(".selector").igLinearGauge("destroy"); 
```
exportVisualData

.igLinearGauge( "exportVisualData" );

Return Type:

object

Return Type Description:

a JavaScript object containing the visual data.
Returns information about how the linear gauge is rendered.
Code Sample
```
 $(".selector").igLinearGauge("exportVisualData"); 
```
flush

.igLinearGauge( "flush" );
Causes all pending changes of the linear gauge e.g. by changed property values to be rendered immediately.
Code Sample
```
 $(".selector").igLinearGauge("flush"); 
```
getRangeNames

.igLinearGauge( "getRangeNames" );

Return Type:

string
Returns a string containing the names of all the ranges delimited with a \n symbol.
Code Sample
```
 $(".selector").igLinearGauge("getRangeNames"); 
```
getValueForPoint

.igLinearGauge( "getValueForPoint", x:object, y:object );

Return Type:

number

Return Type Description:

The value for the main scale of the gauge.
Gets the value for the main scale of the gauge for a given point within the bounds of the gauge.
- x
- Type:object
- y
- Type:object
Code Sample
```
 $(".selector").igLinearGauge("getValueForPoint", "4", "5"); 
```
needleContainsPoint

.igLinearGauge( "needleContainsPoint", x:number, y:number );
Returns true if the main gauge needle bounding box contains the point provided, otherwise false.
- x
- Type:number
- The x coordinate of the point.
- y
- Type:number
- The y coordinate of the point.
Code Sample
```
 $(".selector").igLinearGauge("needleContainsPoint", "4", "5"); 
```
removeRange

.igLinearGauge( "removeRange", value:object );
Removes a range from the linear gauge.
- value
- Type:object
- A JS object with properties set as follows: name: nameOfTheRangeToRemove, remove: true.
Code Sample
```
 $(".selector").igLinearGauge("removeRange", { name: 'range1', remove: true }); 
```
styleUpdated

.igLinearGauge( "styleUpdated" );
Re-polls the css styles for the widget. Use this method when the css styles have been modified.
Code Sample
```
 $(".selector").igLinearGauge("styleUpdated"); 
```
updateRange

.igLinearGauge( "updateRange", value:object );
Updates the specified range of the linear gauge.
- value
- Type:object
- The range object to be updated.
Code Sample
```
 
					var range = {name: "range1", startValue: 0, endValue: 25, brush: "red"};
					$("#lineargauge").igLinearGauge("updateRange", range);
			
```

ui-lineargauge

Class applied to main element: ui-linearGauge ui-corner-all ui-widget-content.
ui-lineargauge-backing

Class applying background-color and border-color to the backing element.
ui-lineargauge-range-fill-palette-n

Class applying background-image to the fill of the n-th range of the linear gauge. Only gradient colors are accepted. As many palettes can be defined as neccessary.
ui-lineargauge-label

Class applying background-color to the text elements.
ui-lineargauge-minortick

Class applying background-color to the minor tick elements.
ui-lineargauge-needle

Class applying background-color and border-color to the needle element.
ui-lineargauge-range-outline-palette-n

Class applying background-image to the outline of the n-th range of the linear gauge. Only gradient colors are accepted. As many palettes can be defined as neccessary.
ui-lineargauge-range-palette-n

Class applying background-color and border-color to the n-th range of the linear gauge. As many palettes can be defined as neccessary.
ui-lineargauge-tick

Class applying background-color to the tick elements.
ui-lineargauge-tooltip ui-corner-all

Class applied to the tooltip element: ui-lineargauge-tooltip ui-corner-all.
ui-html5-non-html5-supported-message ui-helper-clearfix ui-html5-non-html5

Class applied to main element, shown when the linearGauge is opened in a non HTML5 compatible browser.

Ignite UI | Samples

ui.igLinearGauge

Code Sample

Related Samples

Related Topics

Dependencies

Inherits

backingBrush

Code Sample

backingInnerExtent

Code Sample

backingOuterExtent

Code Sample

backingOutline

Code Sample

backingStrokeThickness

Code Sample

font

Code Sample

fontBrush

Code Sample

height

Members

Code Sample

interval

Code Sample

isNeedleDraggingEnabled

Code Sample

isScaleInverted

Code Sample

labelExtent

Code Sample

labelInterval

Code Sample

labelsPostInitial

Code Sample

labelsPreTerminal

Code Sample

maximumValue

Code Sample

minimumValue

Code Sample

minorTickBrush

Code Sample

minorTickCount

Code Sample

minorTickEndExtent

Code Sample

minorTickStartExtent

Code Sample

minorTickStrokeThickness

Code Sample

needleBreadth

Code Sample

needleBrush

Code Sample

needleInnerBaseWidth

Code Sample

needleInnerExtent

Code Sample

needleInnerPointExtent

Code Sample

needleInnerPointWidth

Code Sample

needleName

Code Sample

needleOuterBaseWidth

Code Sample

needleOuterExtent

Code Sample

needleOuterPointExtent

Code Sample

needleOuterPointWidth

Code Sample

needleOutline

Code Sample

needleShape

Members

Code Sample

needleStrokeThickness