photrack AG

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photrack is all about measuring flows with images. Our main business are discharge measurements of rivers, streams, irrigation furrows with webcams & smartphones. 3D particle tracking velocimetry (3D-PTV) of objects moving in water or air is our second expertise.

For discharge measurements we offer two systems, the DischargeKeeper, a fixed IP camera with local processing and the Android smartphone app Discharge. Currently, our systems are being used and tested in Switzerland, Germany, Luxembourg, Spain, India, China, Canada, Tanzania, Kenya, Uganda, Ethipia, Kyrgyzstan, and soon to come also in Mozambique and Tajikistan.

With our strong background in 3d particle tracking off more than 15 years experience we can offer custom designed systems matching your needs. The 3D-PTV technique allows for whole field, full 3D access to the path, velocities and acceleration of objects of any shape. Our experience ranges from lab conditions to field experiments, employing multiple cameras or our special image splitter, which allows for several view points with just one camera.



  • APPLY NOW – MAS in Sustainable Water Resources

    Postgraduate Studies in Sustainable Water Resources at ETH Zürich Applications are now being accepted for the Master of Advanced Studies (MAS) in Sustainable Water Resources, a one-year full time program at ETH Zürich. The program begins in September 2018 and is taught in English. The MAS is designed to advance the education of water professionals […]
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  • Update: World Water Forum 2018

    Latest News on the Swiss Presence at the WWF8 in Brasilia We are pleased to announce the participation of eleven SWP members in the well positioned 72 sqm Swiss booth at the World Water Forum 2018 (WWF8). To get an idea of the EXPO hall and where the Swiss booth (E15) will be located, you […]
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  • Update: Working Group Nature Based Solutions for Water

    Two Event Proposals Submitted for the World Water Week 2018 Last October, the SWP launched the working group on “Nature Based Solutions for Water”. The participating SWP members have meanwhile submitted their concepts on their areas of expertise in Nature based Solutions (NbS) for water. This allowed the SWP Secretariat to identify two core topics […]
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  • Courses in the Field of Water

    SWP Member Eawag Announces New Series of Practice-Oriented Courses in Water These practice-oriented Eawag courses (PEAK) are designed for specialists from industry, administration and engineering or environmental consultancies. They provide up-to-date knowledge and promote exchanges among participants and between theory and practice. For more information visit the official webpage or the course catalogue HERE.
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  • Call for Engagement

    Opportunity for Organizations to host a MAS Student In September 2018 the NADEL Center for Development and Cooperation will welcome a new class of 24 students in the MAS in Development and Cooperation program. After a semester of coursework at ETH, these students will go abroad for a field assignment of 8-10 months. The costs […]
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  • Update: Working Group Nature Based Solutions

    First Meeting of the Working Group on Nature based Solutions for Water The SWP has launched the working group on nature based solutions for water in October and held its first meeting in November 2017. The idea was to exchange on each organization’s topic of expertise in Nature based Solutions (NbS) for water and to identify […]
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Webinar SDG 6Tuesday, 20. June 2017 to Tuesday, 27. June 2017
Watershed Management Seminar – Example Freibourg, CHTuesday, 27. June 2017 Auditorium Joseph Deiss
Aguasan Networking ApéroThursday, 29. June 2017 Schloss Spiez
Event on Water Risk at the G21 – Swisstainability ForumThursday, 29. June 2017 Swiss Tech Convention Center EPFL, Lausanne
Save the Date: SWP Event on GroundwaterSunday, 27. August 2017 Stockholm City Conference Center
SWP Booth and Innovation Tent at the WWWSunday, 27. August 2017 to Friday, 01. September 2017 Stockholm City Conference Center
Invitation: Swiss Reception at the World Water WeekMonday, 28. August 2017
Event at Swiss Booth in StockholmThursday, 31. August 2017
Webinar: Introduction to Remote Sensing of Harmful Algal BloomsTuesday, 05. September 2017 to Tuesday, 26. September 2017
Discovery Days 2017Thursday, 07. September 2017 to Friday, 08. September 2017 EAWAG
High Level Panel on Water & PeaceThursday, 14. September 2017
MOOC: A Resilient Future: Science and Technology for Disaster Risk ReductionFriday, 15. September 2017
Invitation – 1st Asian International Water WeekWednesday, 20. September 2017 to Saturday, 23. September 2017
Call for Application – European Youth Parliament for WaterSunday, 01. October 2017 to Saturday, 07. October 2017
European Water Stewardship ConferenceWednesday, 04. October 2017
NSL Colloquium: Common Water – The Future of an Alpine ResourceSaturday, 21. October 2017 ETH Zürich
International IWA Conference “S2small2017”Sunday, 22. October 2017 to Thursday, 26. October 2017
Save the Date: SWP Learning EventThursday, 26. October 2017 ETH Zürich
SWP Learning Event “Assessment of Surface and Groundwater”Thursday, 26. October 2017 NADEL
SWISS WATER INTEGRITY AWARD 2017Tuesday, 31. October 2017
E-Learning Course: Introduction to Water DiplomacyMonday, 06. November 2017 to Sunday, 03. December 2017
SAVE THE DATE: SDG WATER EVENTWednesday, 08. November 2017
SDG Water EventWednesday, 08. November 2017 Allresto
Vertiefungskurs: Sedimentmanagement in FliessgewässernWednesday, 22. November 2017 EAWAG Dübendorf
Regional Youth MeetingThursday, 23. November 2017 to Monday, 27. November 2017
Climate Change: The Clock is Ticking – Swiss Innovations and Engagement for Safe Drinking Water and SanitationTuesday, 28. November 2017 sanu future learning ag
Grey, green or hybrid? The Potential of nature-based solutions for DRRWednesday, 06. December 2017 to Thursday, 07. December 2017 ABZ Spiez
Grey, Green or Hybrid? The Value of Nature-Based Solutions for DRRWednesday, 06. December 2017 to Friday, 08. December 2017
Geneva Water Hub – Water Talks No. 4Thursday, 01. February 2018
Journées Biennales des Géosciences et de l’EnvironnementMonday, 12. February 2018
Youth and Water IIThursday, 15. February 2018
Save the Date: SWP Info Event on the SWP-Financing FacilityFriday, 02. March 2018 HELVETAS Swiss Intercooperation,
Youth and Water IFriday, 16. March 2018 to Friday, 23. March 2018
Call for Participation: Swiss Booth at World Water Forum 2018Sunday, 18. March 2018 to Friday, 23. March 2018
SWP General Assembly 2018Tuesday, 29. May 2018
Tech4Dev 2018 International ConferenceWednesday, 27. June 2018 to Friday, 29. June 2018 Swiss Tech Convention Center EPFL, Lausanne
Call for Papers: Tech4Dev 2018Wednesday, 27. June 2018 to Friday, 29. June 2018

Thematic expertise

Geographic expertise

Contact Person

Beat Lüthi


  • Water Convention Singapore 2018 – Call for Papers!

    Apply Now – Water Convention 2018: Call for Papers The Water Convention, which is the main event at the SIWW, welcomes water practitioners and leaders to share their best practices, strategies and applied technological solutions which address the challenges and provide opportunities under the following domains or themes: Delivering Water from Source to Tap Effective […]
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2016 Annual Report [pdf - 7.87 MB]
Global Programme Water – Portfolio 2017 [pdf - 15.62 MB]This document describes the Portfolio for 2017 of the Global Programme Water. The endeavours of the Global Programme Water meet key global challenges related to the management of water resources, including access to drinking water and the productive use of water in agriculture, [...]
Global Programme Water – Strategy 2017-2020 [pdf - 1.84 MB]This document describes the new Strategy 2017-2020 defined by the Global Programme Water. The Global Programme Water (GPW) is a catalyst promoting policy changes and the implementation of innovative solutions. It is a bridge builder, positioning water and sanitation on the international [...]
SWP Statutes 2016 [pdf - 514.33 KB]