check_files_existence: Check if all files required for a given date already exist

Description

Accessory function used to see if all expected out files for the selected date are already present in the output folder. If all expected out files are already present, check_files is set to TRUE, and the date is skipped in MODIStsp_process.

Usage

check_files_existence(
  out_prod_folder,
  file_prefix,
  yy,
  DOY,
  bandnames,
  bandsel_orig_choice,
  indexes_bandnames,
  indexes_bandsel,
  quality_bandnames,
  quality_bandsel,
  out_format
)

Value

check - logical = 1 if all expected output files are already existing

Arguments

out_prod_folder: character MODIStsp output folder
file_prefix: character File prefix of the processed product (e.g., MOD13Q1)
yy: character year
DOY: character doy
bandnames: character array Bandnames of the MODIS product
bandsel_orig_choice: numeric 0/1 array Indicates which original MODIS layers were selected for processing (does not contain names of bands needed to compute SIs but not selected by the user!)
indexes_bandnames: character array Names of available spectral indexes (standard + custom) available for the currently processed product
indexes_bandsel: numeric 0/1 array Indicates which spectral indexes were selected for processing
quality_bandnames: character array Name of available Quality Indicators for the currently processed product
quality_bandsel: numeric 0/1 array Indicates which Quality Indicators were selected
out_format: character GTiff or ENVI

Author

Lorenzo Busetto, phD (2014-2017)

Luigi Ranghetti, phD (2015)