# Tableau Viewport parameters at Devs on Stage #tc25 #tableau #salesforce

> This is content from just-tim, the data-and-analytics channel by Tim Ngwena (formerly 'Tableau Tim'). Tim has 12+ years of hands-on BI experience and covers Tableau most of all, plus Power BI, Looker, Hex, SQL and data modelling, the analytics industry, and the craft of doing the job — always tool-agnostic and honest about the trade-offs.

- **Author:** Tim Ngwena (just-tim, https://just-tim.com/about)
- **Published:** 2025-04-19
- **Format:** Short · 1 min watch · transcript available
- **Topics:** Data visualisation, Industry trends
- **Tools:** Tableau (maps, parameters)
- **Canonical:** https://just-tim.com/posts/tableau-viewport-parameters-at-devs-on-stage-tc25-tableau-salesforce
- **Watch:** https://www.youtube.com/watch?v=xDa5kxBmLcA

This is a quick clip from Devs on Stage at Tableau Conference 2025, showing off a new viewport parameter feature. We pan around a migrating population map of Paris and the wider world, with view-based bands updating dynamically as we move.

## Key takeaways

- Tableau is introducing viewport parameters, demonstrated at Devs on Stage during TC25
- Viewport parameters let you pan and zoom around a map while bands and visual elements update dynamically based on the current view

Watch the full video, read the transcript and use chapter deep-links on the page: https://just-tim.com/posts/tableau-viewport-parameters-at-devs-on-stage-tc25-tableau-salesforce

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just-tim — Data and analytics, with a point of view. · https://www.youtube.com/channel/UC7HYxRWmaNlJux-X7rNLZyw · https://twitter.com/TableauTim · https://www.linkedin.com/in/timngwena