How to Change the Color of the Median in a Box Plot Visualization Using the Spotfire® C# API

Introduction

This article contains sample C# code that illustrates how to change the color of the median in a boxplot visualization. The main purpose of the article is to show how a developer can access the BoxPlotReferencePoint and set any available properties, such as color

Code Sample

// Copyright © 2017. TIBCO Software Inc. Licensed under TIBCO BSD-style license.

public static void someMethodName(AnalysisApplication application)
{
    BoxPlot boxPlot = application.Document.ActiveVisualReference.As<BoxPlot>();

    List<String> mypoints = new List<string>();
    string hexValue = "#FF00FF"; // You do need the hash
    Color colour = System.Drawing.ColorTranslator.FromHtml(hexValue);

    foreach (BoxPlotReferencePoint point in boxPlot.ReferencePoints)
    {
        String name = point.MethodName;
        mypoints.Add(name);
        String pt = mypoints.Find(item => item.Equals("Median"));
        if (pt == "Median")
        {
		    point.Color= colour;
        }
    }
}

References

• API Reference: BoxPlot
• API Reference: Box Plot ReferencePoints Property
• API Reference: BoxPlotReferencePointCollection

License:  TIBCO BSD-Style License