mapmiscCache function

Set a persistent cache

Sets a cache folder in temporary space

persistentCache(verbose=TRUE)

Arguments

• verbose: print location of the cache folder

Details

The default cache for map images is tempdir()/mapmiscCache, which will be deleted when an R session ends. Running this function sets a cache in /tmp/mapmiscCache_[username], which will re-use cached data across R sessions.

Returns

persistentCache returns the path to the cach folder.

Examples

# current cache
getOption("mapmiscCachePath")

# set a new cache
myCache = file.path(tempdir(), 'myCache')
dir.create(myCache)
options(mapmiscCachePath = myCache)
getOption("mapmiscCachePath")

# create a persistent cache

persistentCache(verbose=TRUE)

getOption("mapmiscCachePath")