TCViz Power BI Custom Visuals
Bar Chart with Variation %

Support

Version 1.9.2.0 · Last updated: September 15, 2026 · Typical response time: 1–2 business days.

Contact Us

support@tcviz.com

For bug reports, feature requests, and license issues.

Video

Watch the walkthrough on YouTube

How to Set Up the Visual

With no fields yet, the visual shows a short getting-started page.

After adding the visual to a report page, drag fields into these data roles:

Data RoleDescriptionRequired
AxisCategory values on the X axis (e.g. months, products, countries). Up to 1,000 categories.Yes
ValuesThe numeric measure. Variation % between consecutive bars is calculated automatically.Yes
Small MultipleSplits the chart into one panel per value, all on a shared Y scale. Up to 100 panels.No
TooltipsExtra measures shown when hovering a bar.No

Free and Pro

FeatureFreePro
Bars, variation % labels, arrows and connectorsYesYes
Small Multiple panelsUp to 3Up to 100
Tooltips, cross-filtering, context menu, highlightingYesYes
Panel titles, backgrounds, axis labels, legend, high contrast patternYesYes
Horizontal and vertical scroll (minimum panel width and height)YesYes
Sort order (ascending / descending)YesYes
Analytical lines (average, min, max, median, reference) and reference band—Yes
Value labels on bars—Yes
Per-bar colours (Bar Colors: one colour picker per category)—Yes

While you edit a report without a licence, settings marked (Pro) in the Format pane are shown working under a Pro preview watermark, and Power BI shows how to get a licence. In reading view, in published reports, and where Power BI cannot check licences (Publish to Web, embedding, PDF/PowerPoint export), the free result is shown, without a watermark.

Frequently Asked Questions

Why do I only see 3 panels?
Where licences cannot be checked (Publish to Web, embedding, exports) the visual shows the first 3 Small Multiple panels and a note saying how many there are. While editing a report in Power BI Desktop or the Service without a licence, all panels are shown as a Pro preview with a watermark; in reading view the first 3 are shown. A Pro licence shows up to 100 panels with no watermark.
How does the variation % calculation work?
Between each pair of consecutive bars: ((B − A) / |A|) × 100.
The panels are too small and there is no scroll bar.
In Panel Layout, keep Enable Scroll on and raise Min Panel Width or Min Panel Height. When the panels no longer fit, the visual scrolls horizontally, vertically, or both.
How do I change colours?
Series Colors sets one colour per Small Multiple panel. Bar Colors (Pro) sets one colour per category. The default and negative bar colours are under Bar Settings, and the legend text colour under Legend.
How do I activate my Pro license?
Purchase the Pro plan on Microsoft AppSource. Once your subscription is active, the visual detects it automatically the next time you open or refresh your report — no additional steps required. Microsoft notes it can take up to an hour for a new licence to be recognised: refresh the browser (F5) or close and reopen Power BI Desktop. In Publish to Web and exports Power BI cannot check licences, so the free experience is shown there.
The visual is not rendering. What should I check?
Make sure at least the Axis and Values fields are populated. If the issue persists, contact us at support@tcviz.com.