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The CHRIS-Box algorithms are integrated into SNAP as a set of tools. The set of tools consist of four main tools for noise reduction, cloud screening, atmospheric correction, and geometric correction, as well as two minor tools for the computation of TOA reflectance and cloud features.
The tools make use of the Graph Processing Framework (GPF) and are available through the graphical user interface of SNAP as well as through the graph processing tool (GPT) on the command line, which is suitable for batch processing. In SNAP all CHRIS-Box tools are grouped in the 'CHRIS/Proba Tools' submenu of the Optical menu.
The CHRIS-Box software is distributed in consists of several modules , which are distributed as Chris-Box Bundle which can be installed, upgraded, updated or removed through via the plugin manager.