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Axes in ASP.NET MVC Linear Gauge control

20 Apr 2021 / 3 minutes to read

Axes is a collection of linear axis which can be used to indicate the numeric values. Line, ticks, labels, ranges and pointers are the sub elements of an axis.

Line Customization

The line property of an axis provides options to customize the height, width, color and offset of the axis line.

razor

line-customization.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Axes(axis=>axis.Line(new
{
    height = 150,
    width = 2,
    color = "#4286f4",
    offset = 2
}).Add()).Render()

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {

            return View();
        }
    }
}

Ticks Customization

You can customize the height, color and width of major and minor ticks, by using majorTicks and minorTicks) property. By default, interval for major ticks will be calculated automatically and also you can customize the interval for major and minor ticks using interval property.

razor

ticks-customization.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Axes(axis=>axis.Minimum(20).Maximum(140).MajorTicks(new
{
    interval = 20
}).MinorTicks(new
{
    interval = 5,
    color = "red"
}).Add()).Render()

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {

            return View();
        }
    }
}

Labels Customization

The labelStyle property of an axis provides options to customize the offset, format, color and font of the axis labels.

razor

labels-customization.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Axes(axis=>axis.LabelStyle(new
{
    format = "c"
}).Add()).Render()

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {

            return View();
        }
    }
}

Customize the display of the last label

If the last label is not in the visible range, it will be hidden by default. If you want to show the last label, set the ShowLastLabel property to true in the axes property of linear gauge.

razor

showlastlabel.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Axes(axis=>axis.Line(new
{
    color = "#9E9E9E"
}).LabelStyle(new
{
    font (new {
	color='red'
	}
}).Add()).Render()
<script>
    window.gaugeLoad = function (args) {
        var axis = args.gauge.axes[0];
        axis.pointers = [{
            value: 20,
			height:15,
			width:15,
			offset:30,
			color:'#9E9E9E'

        }]
    }
</script>

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {

            return View();
        }
    }
}

Label Format

Axis labels can be formatted by using the format property in labelStyle and it supports all the globalize formats.

razor

label-format.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Axes(axis=>axis.Minimum(20).Maximum(140).LabelStyle(new
{
    format = "{value}°C"
}).Add()).Render()

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {

            return View();
        }
    }
}

The following table describes the result of applying some commonly used label formats on numeric values.

Label Value	Label Format property value	Result	Description
1000	n1	1000.0	The Number is rounded to 1 decimal place
1000	n2	1000.00	The Number is rounded to 2 decimal place
1000	n3	1000.000	The Number is rounded to 3 decimal place
0.01	p1	1.0%	The Number is converted to percentage with 1 decimal place
0.01	p2	1.00%	The Number is converted to percentage with 2 decimal place
0.01	p3	1.000%	The Number is converted to percentage with 3 decimal place
1000	c1	$1,000.0	The Currency symbol is appended to number and number is rounded to 1 decimal place
1000	c2	$1,000.00	The Currency symbol is appended to number and number is rounded to 2 decimal place

Custom Label Format

Axis also supports custom label format using placeholder like {value}°C, in which the value represents the axis label e.g. 20°C.

razor

custom-label.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Width("100%").Height("50%").Render()

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {

            return View();
        }
    }
}

Orientation

By default, the Linear Gauge is rendered vertically. To change its orientation, the orientation property must be set to “Horizontal”

razor

orientation.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Orientation(Syncfusion.EJ2.LinearGauge.Orientation.Horizontal).Axes(new List<Syncfusion.EJ2.LinearGauge.LinearGaugeAxis> {
           new Syncfusion.EJ2.LinearGauge.LinearGaugeAxis
           {
               Minimum = 20, Maximum = 140,
           } }).Render();

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {

            return View();
        }
    }
}

Inverted Axes

isInversed property is used to choose the rendering of axis either bottom to top or top to bottom direction.

razor

inverted-axes.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Axes(axis=>axis.IsInversed(true).Add()).Render()

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {

            return View();
        }
    }
}

Opposed Axes

To place an axis opposite from its original position, set opposedPosition property as true in the axis.

razor

opposed-axes.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Axes(axis=>axis.OpposedPosition(true).Add()).Render()

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {

            return View();
        }
    }
}

Multiple Axes

You can render any number of axis for a linear gauge by using array of axis objects. Each axis will have its own ranges, pointers, annotations and customization options.

razor

multiple-axes.cs

@using Syncfusion.EJ2;
@Html.EJS().LinearGauge("linear").Axes(ViewBag.axis).Render()

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using EJ2_Core_Application.Models;
using Newtonsoft.Json;
using Syncfusion.EJ2.Charts;
using Syncfusion.EJ2.LinearGauge;


namespace EJ2_Core_Application.Controllers
{
    public class HomeController : Controller
    {
        public IActionResult Index()
        {
            List<LinearGaugeAxis> axes = new List<LinearGaugeAxis>();
            LinearGaugeAxis axis1 = new LinearGaugeAxis();
            axis1.LabelStyle = new
            {
                format = "{value}°C"
            };
            axes.Add(axis1);
            ViewBag.axis = axes;
            LinearGaugeAxis axis2 = new LinearGaugeAxis();
            axis2.LabelStyle = new
            {
                format = "{value}°F"
            };
            axis2.OpposedPosition = true;
            axes.Add(axis2);
            ViewBag.axis = axes;
            return View();
        }
    }
}

Contents

Line Customization
Ticks Customization
Labels Customization
Orientation
Inverted Axes
Opposed Axes
Multiple Axes

Contents

Line Customization
Ticks Customization
Labels Customization
Orientation
Inverted Axes
Opposed Axes
Multiple Axes