Creating a point map
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Follow the steps below to create a point map:
If your data has a list of postcodes or UPRNs (unique property reference numbers), then you’re able to plot these on a map by simply dragging and dropping the relevant column in your data into the 'Points: Postcodes or UPRNs' field of the visual.
Postcodes are plotted according to their corresponding centroid.
The visual can display up to 30 000 individual points on the map.
If you have incorrect or out-of-date postcodes and UPRNs in your data, they won’t geocode as points on the map. Clicking on the notification panel (the bell icon in the bottom left of the Power BI UI) will let you know which UPRNs or postcodes failed to geocode and are incorrect.
More detailed information, such as how many postcodes / UPRNs the visual attempted to geocode and how many succeeded, can be found by clicking on the notification panel after turning on the 'Show more detailed messaging' toggle found under Format visual > Map Settings in the Visualizations pane.
If your data has a list of Longitude / Latitude or Eastings / Northings, then you’re able to plot these on a map by simply dragging and dropping the relevant columns in your data into the 'Points: X' and 'Points: Y' fields of the visual.
The visual can display up to 30 000 individual points on the map.
To see any errors, turn on the 'Show more detailed messaging' toggle under Format visual > Map Settings in the Visualizations pane.
If the fields won’t populate with your data, make sure that on Table View the data type for your longitude / latitude data is set to Decimal number and NOT Text.
Please note, if points appear on the same location, Points: pop-ups will have to be populated with a data attribute that splits out the points (see 'Adding clickable point pop-ups' on the page).
