The SURFsara visualization group supports the SURF community, and users of the Dutch national e-infrastructure in particular, with data visualization tasks by

Our current focus is on

But see here for a full list of topics from current and former projects and activities.

We also regularly contribute to PR and outreach activities of SURFsara and SURF, by giving presentations on visualization topics and projects we work on, and by developing (technology) demonstrations.


The visualization group is a relatively small team within SURFsara. Compared to most other SURFsara groups we focus more on application-level tasks and realising targeted projects for HPC users and less on infrastructure development, maintenance and support.

We have a computer science and visualization background, with years of experience in working with diverse types of scientific data (such as red-blood cell 3D simulations or GPS tracks of migrating birds), visualization software (such as ParaView, VTK, d3.js, Blender and Unity3D) and exotic devices (CAVE, Oculus Rift, HTC Vive, Microsoft HoloLens).

Paul Melis

Group leader & visualization advisor

Casper van Leeuwen

Visualization advisor & developer

About SURFsara & SURF

SURFsara creates a bridge between research and advanced ICT. We do so with a passion for scientific research in our DNA and with extensive expertise contained in our high-performance infrastructure. This enables us to facilitate scientific research and develop initiatives for the business community.

SURF is the collaborative ICT organisation for Dutch education and research. SURF offers students, lecturers and scientists in the Netherlands access to the best possible internet and ICT facilities.