This post steps through how to create labels on highlighted marks only, helping to keep your chart uncluttered but still allowing easy comparisons.
Spatial joins can help you explore geographic relationships between different sources of spatial data. This blog and video walk through an example in Tableau.
In this video, I step through how to use map layers in version 2021.4 to create a three-layer map with polygons, lines and points and also how to use the different map layer options.
This blog shows how you can use MapBox to create a custom background map that only shows a filtered set of countries.
This post explains how you can use background images with conditions in Tableau to visualise data on different floors of a building. Floor plan images and data update dynamically.
This post includes some of my favourite tips to help save time when building dashboards. From keyboard shortcuts to formatting to working with containers.
This post highlights some of the techniques used in this travel planner dashboard that allows you to draw out two routes on a map, select the methods of transport and then compare them by distance and carbon emissions.
Needing to switch back to a sheet to use the size slider is not always ideal for making fine grained size adjustments on dashboards. This tip shows how you can use a parameter directly on a dashboard instead.
Version 2021.2 sees the introduction of a new spatial function: Area. This blog and workbook include a few examples along with a couple of cautionary notes.
This post steps through how to create Edward Tufte's dot-dash-plot in Tableau, increasing the data-ink ratio of a standard scatter plot and revealing more insights.
This post walks through the process and Pages History settings to use for creating animated line charts in Tableau
Mapbox recently added a data visualisation component to Mapbox Studio, which enables the creation of custom spatial data visualisations using imported data directly within Mapbox. This blog walks through how to create a map of Airbnb locations in London using the component.
The #30DayChartChallenge ran for the first time in April 2021. This post gives a high-level overview of the challenge, my learnings and links to all the data sources I used.
This post walks through a method to quickly add lines over bars to show segments, which could be used at specific values or percentages.
Help overlay screens can help orient your dashboard consumers; providing context, instructions and the intended flow of analysis. This post shows you how you can create multi-step help overlay screens using background images.
With the ability to combine and overlay more spatial data, the Map Layers functionality enables a wider variety of geospatial analyses. This post walks through an example of searching for an Airbnb in London that meets different criteria.
This blog post explores using Tableau’s new Map Layers feature to create custom User Interface elements such as popup charts, viz in tooltips and custom URL links.
This post and associated workbook describe five methods of adding images to your Tableau visualisations including shapes, viz-in-tooltips, web objects, background images and image objects.
The new Map Layers feature allows you overlay multiple marks layers on a map removing the need to use a dual axis and opening up new possibilities for visualising multiple sources of spatial data.