frg_download_modis: frg_download_modis

In lbusett/frgtool: Analyze Post Fire Vegetation Regeneration from Time Series of Summertime MODIS data

Description

Function used to download, mosaic and reproject MODIS data, using 'MODIStsp“ functionalities

Usage

frg_download_modis(opts, yy)

Arguments

opts	list of options passed from frg_fullprocessing()
yy	Year for which images are to be downloaded and processed (NOTE: within frgtool, different years are processed in a for cycle.)

Details

The function leverages functionality form MODIStsp package (https://github.com/lbusett/MODIStsp/) Download and Mosaicing: Images covering Europe for DOYS 209 and 225 of each selected year are downloaded, mosaiced and reprojected in LAEA projection, with 250m pixels size Resulting images are saved in TIFF format in the Originals subfolder of the output folder selected by the user to store MODIS imafes. Separate subfolders are used to store images related to NDVI, QA (Quality Assurance) and Pixel Reliability. Original HDF files are stored in the "hdf" folder, while METADATA files to access the full time series in ENVI and R are stored in the time_series subfolder

Value

The function is called for its side effects

Author(s)

Lorenzo Busetto, phD (2017) [e-mail]

lbusett/frgtool documentation built on May 20, 2019, 11:27 p.m.