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Kepler

Friday, 3. August 2007

Kepler: A platform to process spatial information?

Kepler is a platform that scientists can use to efficiently design and execute scientific workflows.

Almost two years ago, I was looking for a platform that I could use to process spatial information. I found the concept of Kepler pretty cool and although no real GIS functionalities were present at that time, I decided to give it a try.

We have implemented new Kepler actors supporting some basic GIS functionalities using the GeoTools API:
  • Bounding Box Selection
  • WFS Requests
  • Feature Merge Operations (geometry and attributes)
  • GML Reader
  • GML Writer
Those actors define the base for workflows dealing with spatial information processing.

In one of our first workflows, we have developed a new actor implementing the Biomass Yield Model developed by the FH Eberswalden (Prof. Piorr and S. Brozio). The workflow takes as parameter a bounding box and computes the yield based on the information retrieved from different WFS Servers (soil quality, temperature, precipitation…).

We are currently working on further GIS functionalities like for example JSON support and some more advanced operations on Features.

picture of me Christopher James Tuot

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