Image processing chain based on OTB to create composite cloud-free images of Sentinel-2 or Venus Level-2A products distributed by the [Theia Land data centre](https://theia.cnes.fr/atdistrib/rocket/#/home).
Image processing chain based on OTB to create monthly syntheses of cloud-free reflectances for Sentinel-2 or Venus Level-2A products distributed by the [Theia Land data centre](https://theia.cnes.fr/atdistrib/rocket/#/home).
## Inputs, algorithm and outputs
The processing chain creates a composite image of multiple Level-2A products produced with MAJA(LINK). A database of over 150.000 freely distributed products is available under:
The processing chain creates a composite image of multiple Level-2A tiles produced with [MAJA](http://www.cesbio.ups-tlse.fr/multitemp/?p=6203). A database of over 150.000 freely distributed products is available under:
The algorithm to combine the inputs into one single synthesis is described [here](http://www.cesbio.ups-tlse.fr/multitemp/?p=13976).
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### Example
First, you need to download and unzip the Level-2 products of your choice. Have a look at [theia_download](https://github.com/olivierhagolle/theia_download) if you don't know how to do this.
First, you need to download and unzip the Level-2 products of your choice. Have a look at the [theia_download tool](https://github.com/olivierhagolle/theia_download) if you don't know how to do this.
The following command line creates a composite centered around the 2018/05/02 out of 9 Level-2A products from a 46-day period:
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*[OTB](https://orfeo-toolbox.org) - The Orfeo toolbox
## Copyright
## History/Copyright
For the initial work performed within the [Sen2Agri](http://www.esa-sen2agri.org/) project :
WASP method was initially developped at CESBIO by O.Hagolle for the VENµS satellite.
WASP processor comes from the initial work performed within the [Sen2Agri](http://www.esa-sen2agri.org/) project, by the following consortium :
***Université Catholique de Louvain (UCL)**
***CS Romania**
***Catholic University of Leuven (UCL)**
***Centre National d'Etudes Spatiales (CNES)**
***CS France**
***Centre d'Etudes Spatiales de la Biosphère (CESBIO)**
Special thanks to the developers of Sen2Agri:
Cosmin Udroiu, Laurentiu Nicola, Alex Grosu, Lucian Barbulescu and Anca Trasca
Within Sen2Agri, WASP processor was mainly developped at CS-Romania by :
Cosmin Udroiu, Alex Grosu, Laurentiu Nicola, Lucian Barbulescu and Anca Trasca
For the development of WASP :
WASP was then adapted to CNES context by Peter Kettig from
***Centre National d'Etudes Spatiales (CNES)**
## License
This project is licensed under the GPLv3 License - see the [LICENSE.md](LICENSE.md) file for details
This project is licensed under the GPLv3+ License - see the [LICENSE.md](LICENSE.md) file for details
