install.gdal: Download and configure GDAL binary utilities under windows.
In seifer08ms/ROzone2: Routines for processing ROzone data

Description Usage Arguments Details Value Examples

This function help to download and install GDAL binary utilities.

1 2	install.gdal(install_path = "c:/gdal_map_win", proxy_url = NULL, manual = F, url = "https://git.oschina.net/seifer_08ms/gisinter_gdal.git")

`install_path`	character. path for unzip of GDAL binary utilities
`proxy_url`	character indicating proxy url. The format is 'http://server_host:port'
`manual`	logical indicating whether to download gdal binanry tools manually.It only works for windows.The default value is false.If it is true ,the download page will be opened in browser.
`url`	character indicating the remote repository which contains gdal binary tools to clone.If you are not sure about this parameter,do not change its value.

This function will download gdal binary(with proxy), and set the search path for gdal_setInstallation automatically.

If manual if true, you have to download files by your hands.Functions will wait until your hit enter to continue and try to complete the rest configuration.

returns an logical value which represents whether GDAL binary installing is successful