Implements Deburst algorithms

Summary

Part of #2160 (closed)

This merge request implements a date time framework and the deburst, burstExtraction and deburstAndConcatenate algorithms in the otb::SarSensorModel class. The corresponding applications now use SarSensorModel instead of SarSensorModelAdapter (the adapter of ossimSarSensorModel in ossimPlugins).

OTB Date Time framework

A new date time framework has been implemented to replace the functionalities provided by ossimTimeUtilities from ossimPlugins. The framework adds two classes:

• otb::MetaData::TimePoint that represents a point in time
• otb::MetaData::Duration that represents a duration

These classes are adapters built around boost::posix_time::ptime and boost::posix_time::time_duration respectively. The classes are compiled with a nanosecond precision to match the precision requirement of SAR algorithms. The API also provide utility methods:

• arithmetic: addition and difference of two durations, product and ratio of a duration by a scalar, ratio of two duration, difference between two dates, sum of a date and a duration.
• io: operators << and >> based on boost::posix_time io functionalities

Deburst algorithms

The code has been adapted from ossim plugins, the main differences between the two implementations is the use of otb::ImageMetadata instead of ossim keywordlists, and the use of the new date time framework instead of ossim time utilites.

Copyright

The copyright owner is CNES and has signed the ORFEO ToolBox Contributor License Agreement.

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