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Controlling Bar chart Color Changes

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    Controlling Bar chart Color Changes

    I have a bar chart embedded in a report. The chart works perfectly except for one thing. I would like to change the color of the bar according to its length. The length is determined by a calculated field in the report (so the data source is 'Report'). For example, if the length is less than 7 then black, 7-9 then orange, and greater than 9 is red. I've watched all the videos I can find and cannot see an example of how this is done.

    Does anyone have an idea of how to do this?

    #2
    Re: Controlling Bar chart Color Changes

    May we be permitted to know how you are generating the bar chart? There is more than one way.
    There can be only one.

    Comment


      #3
      Re: Controlling Bar chart Color Changes

      Sure - I embedded the chart from the report toolbox. In the superControl Designer I defined it as a horizontal bar chart (grouped although there is only one group) The data source is 'Report'. Series Type is 'Single'. Chart Data/Summarization is 'Value', the data type is 'Numeric', data comes from a calculated field called Calc_Comb_Total, Sample at Group 1, Sample over Grand, and the data label is Bacteria_Name.
      I've tried different Styles, but to no avail, so I'm using the default. It's pretty simple and straight forward, and I like the way everything looks, except I can't figure out how to implement the color changes.

      Comment


        #4
        Re: Controlling Bar chart Color Changes

        As you found, the data point styles must be predetermined and they cycle through the styles defined. There seems to be no provision for a dynamic determination of the color to use for a given bar.
        There can be only one.

        Comment


          #5
          Re: Controlling Bar chart Color Changes

          Well, Rats. Have you ever tried to integrate a different charting tool? I wonder how difficult that would be.

          Or, create the chart with a different tool and then import the chart into the report?

          Comment


            #6
            Re: Controlling Bar chart Color Changes

            Nope, I really don't do many reports any longer. Most of my output is to Excel and then using ole to dress up the result.
            Last edited by Stan Mathews; 03-07-2013, 03:15 PM.
            There can be only one.

            Comment


              #7
              Re: Controlling Bar chart Color Changes

              That sounds like an interesting approach. Is there a simple example you can share?

              Comment


                #8
                Re: Controlling Bar chart Color Changes

                Check the Code Archive.

                http://msgboard.alphasoftware.com/al...a-another-take
                http://msgboard.alphasoftware.com/al...to-be-imported
                http://msgboard.alphasoftware.com/al...a-another-demo
                There can be only one.

                Comment


                  #9
                  Re: Controlling Bar chart Color Changes

                  Thanks. I'll mess around with it.

                  Comment

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