Creating Scrollable Charts
In a scrollable chart, values displaying in the chart are not fixed. A scrollbar in the scrollable chart can help you control the visible value range on the category (X) axis of the chart. This is often used where the category axis is a date or a time such as stock quotes; however, you can use it with any type of value. Any time the number of categories may become too large to be easily identified on the screen, consider adding a scrollable option. This topic shows how you can edit a chart to become a scrollable chart.
You can create scrollable charts from charts of the Bar, Bench, Line, and Area types in web reports and library components only.
To make a bar, bench, line, or area chart scrollable:
- Right-click on any element of the chart and select Scrollable Chart from the shortcut menu. Designer displays the Scrollable Chart dialog box.
- Select the Enable Scrollable Chart option to use a scrollbar to control the number of visible values on the category axis.
- Specify how many data items are selected on the scrollbar and display on the category axis by default in the Number of Visible Values box, then specify the percentage the scrollbar occupies the whole size of the chart.
- Specify whether to show the thumbnail chart in the scrollbar.
- Specify whether to recalculate the scale of the value (Y) axis when the value of the option Number of Visible Values is changed.
- Select OK to apply the settings for the chart.
Example of creating a scrollable chart
- Make sure SampleReports.cat is the currently open catalog file. If not, select File > Open Catalog to open it from
- Select File > New > Web Report to create a web report.
- Insert a chart in the web report as follows:
- Use WorldWideSalesBV in Data Source 1 of the catalog as the data source.
- Display in the Clustered Bar 2-D chart type.
- Show Sales Month on the category axis and Total Sales on the value axis.
- Apply the Classic style.
When you export a scrollable chart to any format, the scrolling function is not available. In the output result, the chart only displays the values that are selected at the time when you export the report.
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