This module is created for altering Open Street Map's data, in order to remove multiple areas (chuncks) using .poly files.
Specifications regarding the poly format could be found here. Example and tutorial for creating poly files in QGIS are available here.
The manager instance is initialized with two arguements: path to the folser containing the poly file(s) and open street map data, for example m is initiated in example below :
with two input variables where /home/ubuntu/scripts/polyrema/ is the location where the .poly files are located, with a base OSM file downloaded from geofabrik's data extracts webpage.
m = OSMDataManager::OSMDataEvent.new('/home/ubuntu/scripts/polyrema/','/home/ubuntu/data/us-northeast-latest.osm.pbf')
Additionaly, it's a good idea to first clip the base OSM file to a smaller extent. This could be done by passing the location of another .poly file, so
m.clipExtent("/home/ubuntu/scripts/bound/mapoly.poly")
will clip the northeast to a smaller area of only a state (here MA).
Running the following will start a chain of processes for extracting each polygon, creating a intermidiete polygon and repeating this for the next polygon:
m.go