Power BI Desktop Preview introduces a new Create Shape Map visualization that lets you map proportional shapes to geographic regions without custom coding. This feature helps you visualize markets, demographics, and risk areas by scaling icons relative to your metrics.
Unlike basic bubble maps, shape map visuals in preview use standardized symbols that remain legible at different zoom levels and across themes. You can publish these reports to the Power BI service and share them with stakeholders who need quick, at-a-glance geographic insight.
| Feature | Description | Use Case | Preview Status |
|---|---|---|---|
| Shape Mapping | Bind a shape type to a measure | Store locations by sales volume | Available |
| Proportional Icons | Size by numeric field | Visualize population density | Available |
| Theming Support | Respects report color themes | Corporate dashboard branding | Available |
| Geographic Binding | Auto-geocode country/state names | Regional performance tracking | Available |
Preparing Your Data for Shape Maps
To create shape map visualizations in power bi desktop preview power, structure your data model with clear geographic columns such as Country, State, and Postal Code. Add at least one numeric measure that will drive the size of each shape, and ensure values are consistent across rows to avoid geocoding mismatches.
Use descriptive names and avoid ambiguous abbreviations so the preview engine can correctly match locations. When you load the data, verify that relationships to dimension tables are active so filters flow naturally through your report page.
Designing Proportional Shape Maps
The design experience in the report canvas lets you drag a field into the Values well and choose the shape type, such as circle, square, or triangle. Power BI scales each shape area relative to the measure values, making it easy to spot high and low concentrations at a glance.
Adjust color saturation, stroke weight, and transparency to improve contrast against background maps. You can also bind an extra category field to split shapes by subregion, which helps maintain clarity when you compare multiple segments across the same geography.
Customizing Shape Appearance and Labels
In the Visualizations pane, open the Format options for the create shape map visualization to fine tune legend positioning, label density, and tooltip behavior. Conditional formatting rules allow you to change color thresholds dynamically based on measures such as growth rate or risk score.
Turn on data labels only for key regions to reduce clutter, and set minimum and maximum sizes so that small differences remain visible without overwhelming the canvas. Test interactions with slicers to confirm that selection and drillthrough propagate correctly to the shape map visuals.
Publishing and Performance Tuning
When you publish to the Power BI service, ensure that the dataset refresh schedule aligns with source data updates so the maps reflect the latest figures. Monitor query performance, especially when the geographic table contains many distinct locations, by using query reduction and aggregations where possible.
Optimize DAX measures used in the size field, avoiding volatile functions that trigger repeated recalculation. If latency appears during cross filter interactions, simplify hierarchies or pre-aggregate rows in the semantic model to keep rendering responsive for end users.
Key Takeaways for Shape Map Visualizations
- Structure data with unambiguous geographic columns and consistent numeric measures
- Use proportional shapes to communicate magnitude at a regional level
- Leverage format options to balance clarity and information density
- Validate geocoding results by testing filters and interactions
- Monitor query performance and DAX efficiency after publishing to the service
FAQ
Reader questions
How does the shape map handle ambiguous country or region names in Power BI Desktop Preview?
The preview engine relies on standard geocoding services and matches names in the context of surrounding columns. Provide explicit country or state columns and avoid ambiguous abbreviations to improve accuracy.
Can I use custom SVG icons instead of the built-in shapes in a create shape map visualization power bi desktop preview power?
Current preview support is limited to built-in proportional shapes such as circles, squares, and triangles. Custom SVG icons are not available, but you can simulate branding through color themes and consistent sizing.
What happens to my shape map when I apply a cross filter from another visual on the report page?
Filters from other visuals flow naturally, highlighting or dimming shapes based on the related selection. This behavior helps you focus on specific regions without needing extra bookmarks or interactions.
Does the shape map preview support drillthrough pages bound to geographic coordinates?
Yes, you can configure drillthrough filters using location fields so that right-clicking a shape opens a detailed page. Ensure the target page has the appropriate filters defined to maintain a seamless analytical path.