modRana data repository document

This is a description for a simple program, that should generate a data repository for offline Monav routing data. It should be flexible enough to enable extending it to also handle other data in the future.

Requirements

• easy repository setup and regeneration

CLI options

Repositories

Repository definition file

This is a JSON file called repository.json that sits at the root of the repository.

Structure

Description of the different sections

= header =
format_version - 1 for now

= repository =
* name - natural language name of the repository
* last_update - epoch of the last update


= data =
Contains sections for the different data sub-repositories.


== monav ==
* name = "Monav offline routing data repository"

=== Example_Package ===
* pack_type = "monav"
* url - pack URL
* last_updated - epoch of the last update
* bytes_size (optional)

==== zsync_file_list - (optional) ===

Monav data repository

Located in the monav driectory

Monav data processing

• the Monav preprocessor can run in multiple threads
  • the repository generator should detect the number of cores and start supply the corresponding number to the preprocessor command line arguments using the -t option

Benchmarks

2012.10.04
france.osm.pbf
bike speed profile PQ:
4 threads = 90.722000
48 threads = 32.841000 
96 threads