you will have to install the follwing external tools:

• osmosis
• gpsbabel

• make filter-nodes executable
• move/copy it to a directory of your choice that is on your PATH or add your desired directory to your PATH
• now you can run it from anywhere using filter-nodes
• NOTE: the directory you're running the script from is going to be your working_directory

• The file has to be in your working_path
• Define POI categories
• Define a radius (in meter) around each POI in which other POIs of the same category are deleted. Set this to a really really large number to keep all POIs
• Define keys and valuess of Map Features that you want extract from the map

• The icons have to be named the same as the categories and be placed into {working_path}/Icons

• You don't need to specify the *.pbf file if there is only one in the directory. The script will automatically choose the first *.pbf file in the directory, if there are more than one present and no -pbf argument was given.