[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\roundmeter.cs
using System;
using ChartDirector;
namespace CSharpChartExplorer
{
public class roundmeter : DemoModule
{
//Name of demo module
public string getName() { return "Round Meter"; }
//Number of charts produced in this demo module
public int getNoOfCharts() { return 1; }
//Main code for creating chart.
//Note: the argument chartIndex is unused because this demo only has 1 chart.
public void createChart(WinChartViewer viewer, int chartIndex)
{
// The value to display on the meter
double value = 72.3;
// Create an AngularMeter object of size 250 x 250 pixels with transparent background
AngularMeter m = new AngularMeter(250, 250, Chart.Transparent);
// Center at (125, 125), scale radius = 111 pixels, scale angle -145 to +145 degrees
m.setMeter(125, 125, 111, -145, 145);
// Add a very light grey (0xeeeeee) circle with radius 123 pixels as background
m.addRing(0, 123, 0xeeeeee);
// Add a grey (0xcccccc) ring between radii 116 and 123 pixels as border
m.addRing(116, 123, 0xcccccc);
// Meter scale is 0 - 100, with major/minor/micro ticks every 10/5/1 units
m.setScale(0, 100, 10, 5, 1);
// Set the scale label style to 15pt Arial Italic. Set the major/minor/micro tick
// lengths to 12/9/6 pixels pointing inwards, and their widths to 2/1/1 pixels.
m.setLabelStyle("Arial Italic", 15);
m.setTickLength(-12, -9, -6);
m.setLineWidth(0, 2, 1, 1);
// Add a smooth color scale to the meter
double[] smoothColorScale = {0, 0x3333ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
0xff0000};
m.addColorScale(smoothColorScale);
// Add a text label centered at (125, 175) with 15pt Arial Italic font
m.addText(125, 175, "CPU", "Arial Italic", 15, Chart.TextColor, Chart.Center);
// Add a red (0xff0000) pointer at the specified value
m.addPointer2(value, 0xff0000);
// Output the chart
viewer.Chart = m;
}
}
}
[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\roundmeter.vb
Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector
Public Class roundmeter
Implements DemoModule
'Name of demo module
Public Function getName() As String Implements DemoModule.getName
Return "Round Meter"
End Function
'Number of charts produced in this demo module
Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts
Return 1
End Function
'Main code for creating chart.
'Note: the argument chartIndex is unused because this demo only has 1 chart.
Public Sub createChart(viewer As WinChartViewer, chartIndex As Integer) _
Implements DemoModule.createChart
' The value to display on the meter
Dim value As Double = 72.3
' Create an AngularMeter object of size 250 x 250 pixels with transparent background
Dim m As AngularMeter = New AngularMeter(250, 250, Chart.Transparent)
' Center at (125, 125), scale radius = 111 pixels, scale angle -145 to +145 degrees
m.setMeter(125, 125, 111, -145, 145)
' Add a very light grey (0xeeeeee) circle with radius 123 pixels as background
m.addRing(0, 123, &Heeeeee)
' Add a grey (0xcccccc) ring between radii 116 and 123 pixels as border
m.addRing(116, 123, &Hcccccc)
' Meter scale is 0 - 100, with major/minor/micro ticks every 10/5/1 units
m.setScale(0, 100, 10, 5, 1)
' Set the scale label style to 15pt Arial Italic. Set the major/minor/micro tick lengths to
' 12/9/6 pixels pointing inwards, and their widths to 2/1/1 pixels.
m.setLabelStyle("Arial Italic", 15)
m.setTickLength(-12, -9, -6)
m.setLineWidth(0, 2, 1, 1)
' Add a smooth color scale to the meter
Dim smoothColorScale() As Double = {0, &H3333ff, 25, &H0088ff, 50, &H00ff00, 75, &Hdddd00, _
100, &Hff0000}
m.addColorScale(smoothColorScale)
' Add a text label centered at (125, 175) with 15pt Arial Italic font
m.addText(125, 175, "CPU", "Arial Italic", 15, Chart.TextColor, Chart.Center)
' Add a red (0xff0000) pointer at the specified value
m.addPointer2(value, &Hff0000)
' Output the chart
viewer.Chart = m
End Sub
End Class
[WPF - C#] NetWPFCharts\CSharpWPFCharts\roundmeter.cs
using System;
using ChartDirector;
namespace CSharpWPFCharts
{
public class roundmeter : DemoModule
{
//Name of demo module
public string getName() { return "Round Meter"; }
//Number of charts produced in this demo module
public int getNoOfCharts() { return 1; }
//Main code for creating chart.
//Note: the argument chartIndex is unused because this demo only has 1 chart.
public void createChart(WPFChartViewer viewer, int chartIndex)
{
// The value to display on the meter
double value = 72.3;
// Create an AngularMeter object of size 250 x 250 pixels with transparent background
AngularMeter m = new AngularMeter(250, 250, Chart.Transparent);
// Center at (125, 125), scale radius = 111 pixels, scale angle -145 to +145 degrees
m.setMeter(125, 125, 111, -145, 145);
// Add a very light grey (0xeeeeee) circle with radius 123 pixels as background
m.addRing(0, 123, 0xeeeeee);
// Add a grey (0xcccccc) ring between radii 116 and 123 pixels as border
m.addRing(116, 123, 0xcccccc);
// Meter scale is 0 - 100, with major/minor/micro ticks every 10/5/1 units
m.setScale(0, 100, 10, 5, 1);
// Set the scale label style to 15pt Arial Italic. Set the major/minor/micro tick
// lengths to 12/9/6 pixels pointing inwards, and their widths to 2/1/1 pixels.
m.setLabelStyle("Arial Italic", 15);
m.setTickLength(-12, -9, -6);
m.setLineWidth(0, 2, 1, 1);
// Add a smooth color scale to the meter
double[] smoothColorScale = {0, 0x3333ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
0xff0000};
m.addColorScale(smoothColorScale);
// Add a text label centered at (125, 175) with 15pt Arial Italic font
m.addText(125, 175, "CPU", "Arial Italic", 15, Chart.TextColor, Chart.Center);
// Add a red (0xff0000) pointer at the specified value
m.addPointer2(value, 0xff0000);
// Output the chart
viewer.Chart = m;
}
}
}
[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\roundmeter.aspx
(Click here on how to convert this code to code-behind style.)<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<!DOCTYPE html>
<script runat="server">
//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
// The value to display on the meter
double value = 72.3;
// Create an AngularMeter object of size 250 x 250 pixels with transparent background
AngularMeter m = new AngularMeter(250, 250, Chart.Transparent);
// Center at (125, 125), scale radius = 111 pixels, scale angle -145 to +145 degrees
m.setMeter(125, 125, 111, -145, 145);
// Add a very light grey (0xeeeeee) circle with radius 123 pixels as background
m.addRing(0, 123, 0xeeeeee);
// Add a grey (0xcccccc) ring between radii 116 and 123 pixels as border
m.addRing(116, 123, 0xcccccc);
// Meter scale is 0 - 100, with major/minor/micro ticks every 10/5/1 units
m.setScale(0, 100, 10, 5, 1);
// Set the scale label style to 15pt Arial Italic. Set the major/minor/micro tick lengths to
// 12/9/6 pixels pointing inwards, and their widths to 2/1/1 pixels.
m.setLabelStyle("Arial Italic", 15);
m.setTickLength(-12, -9, -6);
m.setLineWidth(0, 2, 1, 1);
// Add a smooth color scale to the meter
double[] smoothColorScale = {0, 0x3333ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
0xff0000};
m.addColorScale(smoothColorScale);
// Add a text label centered at (125, 175) with 15pt Arial Italic font
m.addText(125, 175, "CPU", "Arial Italic", 15, Chart.TextColor, Chart.Center);
// Add a red (0xff0000) pointer at the specified value
m.addPointer2(value, 0xff0000);
// Output the chart
WebChartViewer1.Image = m.makeWebImage(Chart.SVG);
}
</script>
<html>
<head>
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body>
<chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>
[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\roundmeter.aspx
(Click here on how to convert this code to code-behind style.)<%@ Page Language="VB" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<!DOCTYPE html>
<script runat="server">
'
' Page Load event handler
'
Protected Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
' The value to display on the meter
Dim value As Double = 72.3
' Create an AngularMeter object of size 250 x 250 pixels with transparent background
Dim m As AngularMeter = New AngularMeter(250, 250, Chart.Transparent)
' Center at (125, 125), scale radius = 111 pixels, scale angle -145 to +145 degrees
m.setMeter(125, 125, 111, -145, 145)
' Add a very light grey (0xeeeeee) circle with radius 123 pixels as background
m.addRing(0, 123, &Heeeeee)
' Add a grey (0xcccccc) ring between radii 116 and 123 pixels as border
m.addRing(116, 123, &Hcccccc)
' Meter scale is 0 - 100, with major/minor/micro ticks every 10/5/1 units
m.setScale(0, 100, 10, 5, 1)
' Set the scale label style to 15pt Arial Italic. Set the major/minor/micro tick lengths to
' 12/9/6 pixels pointing inwards, and their widths to 2/1/1 pixels.
m.setLabelStyle("Arial Italic", 15)
m.setTickLength(-12, -9, -6)
m.setLineWidth(0, 2, 1, 1)
' Add a smooth color scale to the meter
Dim smoothColorScale() As Double = {0, &H3333ff, 25, &H0088ff, 50, &H00ff00, 75, &Hdddd00, _
100, &Hff0000}
m.addColorScale(smoothColorScale)
' Add a text label centered at (125, 175) with 15pt Arial Italic font
m.addText(125, 175, "CPU", "Arial Italic", 15, Chart.TextColor, Chart.Center)
' Add a red (0xff0000) pointer at the specified value
m.addPointer2(value, &Hff0000)
' Output the chart
WebChartViewer1.Image = m.makeWebImage(Chart.SVG)
End Sub
</script>
<html>
<head>
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body>
<chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>
[ASP.NET MVC - Controller] NetMvcCharts\Controllers\RoundmeterController.cs
using System;
using System.Web.Mvc;
using ChartDirector;
namespace NetMvcCharts.Controllers
{
public class RoundmeterController : Controller
{
//
// Default Action
//
public ActionResult Index()
{
ViewBag.Title = "Round Meter";
createChart(ViewBag.Viewer = new RazorChartViewer(HttpContext, "chart1"));
return View("~/Views/Shared/ChartView.cshtml");
}
//
// Create chart
//
private void createChart(RazorChartViewer viewer)
{
// The value to display on the meter
double value = 72.3;
// Create an AngularMeter object of size 250 x 250 pixels with transparent background
AngularMeter m = new AngularMeter(250, 250, Chart.Transparent);
// Center at (125, 125), scale radius = 111 pixels, scale angle -145 to +145 degrees
m.setMeter(125, 125, 111, -145, 145);
// Add a very light grey (0xeeeeee) circle with radius 123 pixels as background
m.addRing(0, 123, 0xeeeeee);
// Add a grey (0xcccccc) ring between radii 116 and 123 pixels as border
m.addRing(116, 123, 0xcccccc);
// Meter scale is 0 - 100, with major/minor/micro ticks every 10/5/1 units
m.setScale(0, 100, 10, 5, 1);
// Set the scale label style to 15pt Arial Italic. Set the major/minor/micro tick lengths to
// 12/9/6 pixels pointing inwards, and their widths to 2/1/1 pixels.
m.setLabelStyle("Arial Italic", 15);
m.setTickLength(-12, -9, -6);
m.setLineWidth(0, 2, 1, 1);
// Add a smooth color scale to the meter
double[] smoothColorScale = {0, 0x3333ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
0xff0000};
m.addColorScale(smoothColorScale);
// Add a text label centered at (125, 175) with 15pt Arial Italic font
m.addText(125, 175, "CPU", "Arial Italic", 15, Chart.TextColor, Chart.Center);
// Add a red (0xff0000) pointer at the specified value
m.addPointer2(value, 0xff0000);
// Output the chart
viewer.Image = m.makeWebImage(Chart.SVG);
}
}
}
[ASP.NET MVC - View] NetMvcCharts\Views\Shared\ChartView.cshtml
@{ Layout = null; }
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>@ViewBag.Title</title>
<style>
@ViewBag.Style
</style>
@Scripts.Render("~/Scripts/cdjcv.js")
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
@ViewBag.Title
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div>
@{
if (ViewBag.Viewer is Array)
{
// Display multiple charts
for (int i = 0; i < ViewBag.Viewer.Length; ++i)
{
@:@Html.Raw(ViewBag.Viewer[i].RenderHTML())
}
}
else
{
// Display one chart only
@:@Html.Raw(ViewBag.Viewer.RenderHTML())
}
}
</div>
</body>
</html>
© 2023 Advanced Software Engineering Limited. All rights reserved.
