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MRTSwath provides the capability to transform MODIS level-2 land products from HDF-EOS swath format to a uniformly gridded image that is geographically referenced according to user-specified projection and resampling parameters. Functionality includes spectral subsetting, spatial subsetting, map projection, resampling, and format conversion. MRTSwath does not currently support mosaicking or datum conversions. The tool is executed through a command line or graphical user interface (GUI).
MRTSwath was designed specifically to accommodate projection of LP DAAC MODIS swath products. Its success on other data types (such as level-1B radiance data and certain atmospheric products) is somewhat coincidental and in no way guaranteed. All projections require the additional input of the corresponding MODIS level-1B Geolocation file.
MODIS level-1B data are processed and distributed by NASA Level 1 and Atmosphere Archive and Distribution System (LAADS) at Goddard Space Flight Center and by MODIS Direct Readout stations. The MODIS level-2 land products are distributed by the Land Processes Distributed Active Archive Center (LP DAAC) located at the U.S. Geological Survey (USGS) Earth Resources Observation and Science Center (EROS).
MRTSwath is available to all registered users. This software may undergo further enhancements to correct user-identified problems, to incorporate new functionality, or to improve computational performance. The funding support for this work comes from the NASA Earth Science Data and Information Systems (ESDIS) Project. There are no restrictions on the use or redistribution of this software.