# A Tool for Automating Download and Preprocessing of MODIS Land Products Data

## Documentation for package ‘MODIStsp’ version 1.4.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

MODIStsp-package | MODIStsp: a package to automatize the creation of time series of raster images derived from MODIS Land Products
ask_permission | ask_permission
bbox_from_file | Retrieve bbox from a spatial file
check_files_existence | Check if all files required for a given date already exist
check_projection | Check the validity of the input projection
check_projection.character | Check the validity of the input projection
check_projection.crs | Check the validity of the input projection
check_projection.default | Check the validity of the input projection
check_projection.numeric | Check the validity of the input projection
create_nodata_rcl | Split NODATA values or create matrix for reclassification
get_mod_dates | Find MODIS dates included in selected processing period
get_mod_dirs | Get list of MODIS data folders from http server
get_mod_filenames | Find the names of MODIS images corresponding to the selected dates
get_reqbands | Identify the MODIS original bands needed for a given processing run
get_yeardates | identify dates to be processed for a year
install_MODIStsp_launcher | Install a launcher for MODIStsp
load_opts | Load MODIStsp processing options from a JSON file
load_prodopts | Load characteristics of the different MODIS products
MODIStsp | MODIStsp main function
MODIStsp_addindex | Add custom spectral indexes
MODIStsp_download | MODIStsp download function
MODIStsp_extract | Extract data from MODIStsp time series
MODIStsp_GUI | Build and manage the MODIStsp GUI
MODIStsp_process | MODIStsp main processing function
MODIStsp_process_bands | MODIStsp helper for processing original HDF layers
MODIStsp_process_indexes | MODIStsp helper for computing spectral indexes
MODIStsp_process_QA_bits | MODIStsp helper function to compute Quality Indicators from HDF bit-field layers
MODIStsp_read_xml | Read MODIS products characteristics from XML
MODIStsp_resetindexes | Remove custom spectral indexes
MODIStsp_reset_options | MODIStsp_reset_options
MODIStsp_vrt_create | Create MODIStsp virtual files
process_message | Spawn processing update messages
reproj_bbox | Reproject a bounding box
set_bandind_matrix | Helper function to determine the bands needed to compute SIs and QIs
split_nodata_values | Split NODATA values or create matrix for reclassification