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  • How to save a document color scheme with a MemoryStream in Spotfire® using IronPython scripting


    This example demonstrates how a document color scheme can be saved and applied in the dxp using a MemoryStream

    Introduction

    This example demonstrates how a document color scheme can be saved and applied in the dxp using a MemoryStream

    Code Sample

    # Copyright © 2017. TIBCO Software Inc. Licensed under TIBCO BSD-style license.
    
    from Spotfire.Dxp.Application.Visuals import *
    from System.IO import MemoryStream, FileStream, FileMode as fm, SeekOrigin as so, FileAccess as fa
    
    #Save the current coloring scheme in a memorystream
    s = MemoryStream()
    for vis in Application.Document.Pages[0].Visuals:
     if vis.Title == "Chart 1":
       myColor = vis.As[BarChart]().ColorAxis.Coloring
       myColor.SaveAs(s)
    
    #Optional - Save the document color scheme to a file if required
    p=System.IO.Path.GetTempPath() + "mydxp.dxpcolor";
    fileStream = FileStream(p, fm.Create, fa.Write)
    s.Seek(0, so.Begin)
    s.WriteTo(fileStream)
    fileStream.Close()
    
    #Saving the coloring scheme using the memorystream
    new=Document.ColoringTemplates.AddFromStream(s)
    s.Close()	
    
    #Apply the newly created coloring scheme to the required visualization ,vis2 is a visualization parameter
    vis2 = viz.As[BarChart]() 
    vis2.ColorAxis.Coloring.Apply(new)
    
    print "color scheme applied"
     

    References

    License:    TIBCO BSD-Style License

     

     


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