134 lines
3.8 KiB
Markdown
134 lines
3.8 KiB
Markdown
|
|
|
|
[](https://travis-ci.org/ad-freiburg/pfaedle)
|
|
|
|
# pfaedle
|
|
|
|
Precise map-matching for public transit schedules (GTFS data).
|
|
|
|
## Requirements
|
|
|
|
* `cmake`
|
|
* `gcc >= 4.8` (or `clang >= 5.0`)
|
|
|
|
## Building and Installation
|
|
|
|
Fetch this repository and init submodules:
|
|
|
|
```
|
|
git clone --recurse-submodules https://github.com/ad-freiburg/pfaedle
|
|
```
|
|
|
|
```
|
|
mkdir build && cd build
|
|
cmake ..
|
|
make -j
|
|
```
|
|
|
|
To install, type
|
|
```
|
|
make install
|
|
```
|
|
|
|
# General Usage
|
|
|
|
## Generating shapes for a GTFS feed
|
|
|
|
```
|
|
pfaedle -c <CFG FILE> -x <OSM FILE> <GTFS INPUT FOLDER>
|
|
```
|
|
|
|
A shape'd version of the input GTFS feed will be written to `./gtfs-out`.
|
|
|
|
By default, shapes are only calculated for trips that don't have a shape in the
|
|
input feed. To drop all existing shapes, use the `-D` flag.
|
|
|
|
For example, you may generate (and replace existing, see -D parameter) shapes for the GTFS dataset for Freiburg like this:
|
|
|
|
```
|
|
$ mkdir freiburg_gtfs && cd freiburg_gtfs
|
|
$ wget https://fritz.freiburg.de/csv_Downloads/VAGFR.zip
|
|
$ unzip VAGFR.zip
|
|
$ wget http://download.geofabrik.de/europe/germany/baden-wuerttemberg/freiburg-regbez-latest.osm.bz2
|
|
$ bunzip2 freiburg-regbez-latest.osm.bz2
|
|
$ mkdir gtfs-out
|
|
$ pfaedle -D -c pfaedle.cfg -x freiburg-regbez-latest.osm .
|
|
```
|
|
|
|
A default configuration file `pfaedle.cfg` can be found in this repo.
|
|
|
|
|
|
## Generating shapes for a specific MOT
|
|
|
|
To generate shapes only for a specific mot, use the `-m` option. Possible
|
|
values are either `tram`, `bus`, `rail`, `subway`, `ferry`, `funicular`,
|
|
`gondola`, `all` (default) or GTFS vehicle type codes (0, 1, 2, 3, 4, 5, 6, 7).
|
|
|
|
Multiple values can be specified (comma separated).
|
|
|
|
## OSM filtering
|
|
|
|
`pfaedle` comes with the ability to filter OpenStreetMap data. If you specify
|
|
the `-X` flag, `pfaedle` will filter the input OSM file and output a new OSM
|
|
file which contains *exactly* the data needed to calculate the shapes for the
|
|
input GTFS feed and the input configuration.
|
|
|
|
This can be used to avoid parsing (for example) the entire world.osm on each
|
|
run.
|
|
|
|
## Debugging
|
|
|
|
The following flags may be useful for debugging:
|
|
|
|
* `-T <GTFS TRIP ID>` only calculate shape for a single trip (specified via its GTFS trip id) and output it as GeoJSON to
|
|
`<dbg-path>/path.json`
|
|
* `--write-graph` write the graph used for routing as GeoJSON to
|
|
`<dbg-path>/graph.json`
|
|
* `--write-cgraph` if `-T` is set, write the combination graph used for
|
|
routing as GeoJSON to `<dbg-path>/combgraph.json`
|
|
* `--write-trgraph` write the complete network graph to `<dbg-path>/trgraph.json`
|
|
|
|
# Configuration
|
|
|
|
The main config file distributed with this repository is `pfaedle.cfg`. The
|
|
config file has some comments which hopefully explain the meaning behind the
|
|
parameters.
|
|
|
|
# Evaluation
|
|
|
|
You may run an entire evaluation of our testing datasets Vitoria-Gasteiz, Paris, Switzerland and
|
|
Stuttgart with
|
|
|
|
```
|
|
mkdir build && cd build
|
|
cmake ..
|
|
make -j
|
|
make eval
|
|
```
|
|
|
|
*Notes:*
|
|
* this will download, and filter, the entire OSM files for Spain, the
|
|
Stuttgart region. Make sure you have enough space left on your hard drive.
|
|
* in evaluation mode, pfaedle needs significantly more time, because the
|
|
calculation of the similarity measurements between shapes are expensive
|
|
* if you are only interested in the end results of a single dataset, run
|
|
`make <dataset>.lighteval` in `/eval`. For example, `make paris.lighteval`
|
|
generates a shaped version of the paris dataset, without doing extensive
|
|
comparisons to the ground truth.
|
|
* similarily, if you want to run the extensive evaluation for a single dataset,
|
|
run `make <dataset>.eval` in `/eval`.
|
|
|
|
|
|
## Evaluation requirements
|
|
|
|
* zlib
|
|
|
|
On Debianesque systems, type
|
|
|
|
```
|
|
sudo apt-get install zlib1g-dev
|
|
```
|
|
|
|
to install the dependencies.
|