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Adjusting scales on axes

By default, there is only one scale on an axis, and all measures are shown on this scale. If the measures are of completely different magnitudes, or use different units, you might benefit from using other options, for example, adding more than one scale on an axis to visualize the measures.

To give an example, imagine a bar chart containing two bars, each of the bars representing a certain column. One bar represents the total precipitation during a month, and another bar the average temperature. These two measures probably differ a lot, and might have need for two scales on the value axis.

You might encounter some of the following scale options in the various visualization types.

  • Single scale

    The Single scale option means that the scale is common to all the measures on the axis. It is the default scale setting.

    For example, on the value axis below, there is only one scale, shared by both the measures, Sum(Electronics) and Sum(Toys).



  • Dual scales

    When you use the Dual scales option, there is one scale to the left and one scale to the right on the Value axis/Y-axis. Each of the scales can be shared by more than one measure.

    In the example below, the value axis has two scales, one to the left and one to the right. Two columns share the left scale, and to the right, another scale is used for the third column, because the unit is different and the values are of totally different magnitudes.



    This option is available in bar charts, line charts, combination charts, and scatter plots.

  • One scale per color

    Another option to display more than one scale is One scale per color. If you use this option, you get one scale for each color that is defined on the color axis. This means that no scales are shared.

    An example of a value axis with three scales is shown below. The scales are differentiated by their colored scale labels.



    This option is available in bar charts, line charts, combination charts, and scatter plots.

  • One scale per trellis panel

    For trellised visualizations, it is possible to display one scale per trellis panel.

    For example, the line chart below shows the maximum temperature measured per year at a certain location, and it is trellised per season. The scales in the different trellis panels are adapted to the seasonal temperatures.



    This option is available in bar charts, line charts, combination charts, waterfall charts, and scatter plots.

  • One scale per line

    Moreover, in a line chart you have the option to display the lines normalized, so that all lines are drawn on a scale with the maximum value for each line set to 100%, and the minimum value for each line set to 0%.

    In the example below, the normalized lines are used for visualizing sales patterns.



Procedure

  1. Right-click the visualization, and select Properties.
    The Properties pop-over is displayed.
  2. Click Axes.
    The Axes section is displayed.
  3. Beneath Value axis (applicable to bar charts) or Y-axis, select the scale option of interest.
    Tip: Below the scale options, you can specify the formatting of the scales.

Using a different version of Spotfire?
This help describes the web client version of Spotfire on TIBCO Cloud™. If you're looking for documentation for the installed client or other versions of Spotfire, visit the TIBCO Documentation Portal.

There you can find help for your version of Spotfire Analyst or Spotfire Business Author.