check_gdal: Check GDAL installation

In pobsteta/shiny-cnes: Package to download space image from CNES server (theia, peps...)

Description

The function check that GDAL is installed and updated to the minimum required version (2.1.3, since previous versions do not manage SAFE format).

Usage

check_gdal(abort = TRUE, force = FALSE)

Arguments

abort	Logical parameter: if TRUE (default), the function aborts in case no GDAL installation is found; if FALSE, a warning is shown and FALSE is returned.
force	(optional) Logical: if TRUE, install even if it is already installed (default is FALSE).

Value

Logical (invisible): TRUE in case the installation is ok, FALSE if GDAL is missing and abort=FALSE (otherwise, the function stops).

Note

License: GPL 3.0

Author(s)

Luigi Ranghetti, phD (2017) [e-mail], Pascal Obstetar, (2019) [e-mail]

Examples

## Not run: 

# Remove previous GDAL information
options("gdalUtils_gdalPath" = NULL)
getOption("gdalUtils_gdalPath")

# Use function
check_gdal()
getOption("gdalUtils_gdalPath")

## End(Not run)

# TODO check also python and GDAL outside install_s2download (one could be interested only in preprocessing and not in downloading)

pobsteta/shiny-cnes documentation built on May 26, 2019, 2:31 a.m.