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Neetu
75
how to set major and minor tickmarks for radial gauge programatically
posted

Hello ALL,

 I have to create a half radial gauge . I used one of the preset and removed markers and used it .

now I want to add a  scale and tickmarks ( major and minor ) programmatically using .net c#.

I want to calculate values at run time and fine a suitable a  scale and tickmarks ( major and minor ) for gauge chart.

Like if my value( int or double) should always come in the middle   scale.

and then neddle value need to set with second value (int  or double).

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  • 195
    posted

    Hi Neetuchamling,

    I have done this recently for the first time so I'm not sure if the answer I have is a good one, but it works. Maybe someone else can give it a quick review. Firstly I wrap the IG gauge in a usercontrol and then I load the controls in the page_init of the containing page. The wrapper usercontrol has a method called "SetProperties" which I pass in an object containing the data to set up the gauge (Probably this should just be a constructor). When the control loads I can set things like tickmarks and scales in Page_Load()

    ------------------------------------------------
    protected void Page_Load(object sender, EventArgs e)

    {

    try

    {

    if (!Page.IsPostBack)

    {

    lblGaugeHeading.Text = GaugeHeading;


    UltraGauge1.DeploymentScenario.ImageType = GaugeImageType.Jpg;
    UltraGauge1.DeploymentScenario.ImageURL = "~/images/SalesForce/Gauges/TargetPax/Gauge_#SEQNUM(100).#EXT";
    UltraGauge1.DeploymentScenario.FilePath = "~/images/SalesForce/Gauges/TargetPax";


    // departed sales range
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].Ranges[0].StartValue = 0; // RANGE IS A BACKGROUND LINE ON RADIAL DIAL
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].Ranges[0].EndValue = DepartedSales;

    // forward sales range
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].Ranges[1].StartValue = DepartedSales;
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].Ranges[1].EndValue = DepartedSales + ForwardSales;

    // target Pax - axis max value
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].Axis.SetEndValue(Target);

    // total pax sales - needle marker
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].Markers[0].Value = DepartedSales + ForwardSales; // this is number of pax sold
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].Markers[0].Precision = 0;

    // tickmarks
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].MinorTickmarks.Frequency = 5;
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].MajorTickmarks.Frequency = 10;
    Double tickmarkInterval = 100;
    if (Math.Log10(Convert.ToDouble(Target)) >= 4.3) // gets a good separation of tick marks on the dial for targets > 15000. nothing more.
    tickmarkInterval = 500;
    ((RadialGauge)UltraGauge1.Gauges[0]).Scales[0].Axis.SetTickmarkInterval(tickmarkInterval);
    }
    }
    catch ()
    {
    // code left out
    }
    ----------------------------------------------------------------------

    Hope that helps (if you haven't already found a solution). If anyone has any comments about this I'd love to hear it .

    James.

     

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