118 lines
2.9 KiB
Markdown
118 lines
2.9 KiB
Markdown
```
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_-====-__-=-__-===-__-=======-__
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_( _)
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OO( )
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. o '===-______-===-____-==-__-====='
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.o
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. ______ _______________
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_()_||__|| __o^o___ | [] [] [] [] |
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( | | | |o
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/-OO----OO""="OO--OO"="OO---------OO"
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############################################################
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```
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# pfaedle
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Precise map-matching for public transit schedules (GTFS data).
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## Requirements
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* `cmake`
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* `gcc` >= 4.8
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## Building and Installation
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Fetch this repository and init submodules:
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```
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git clone --recurse-submodules https://github.com/ad-freiburg/pfaedle
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```
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```
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mkdir build && cd build
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cmake ..
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make -j
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```
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To install, type
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```
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make install
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```
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# General Usage
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## Generating shapes for a GTFS feed
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```
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pfaedle -c <CFG FILE> -x <OSM FILE> <GTFS INPUT FOLDER>
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```
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A shape'd version of the input GTFS feed will be written to `./gtfs-out`.
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A default configuration file `pfaedle.cfg` can be found in this repo.
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By default, shapes are only calculated for trips that don't have a shape in the
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input feed. To drop all existing shapes, use the `-D` flag.
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## Generating shapes for a specific MOT
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To generate shapes only for a specific mot, use the `-m` option. Possible
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values are either `tram`, `bus`, `rail`, `subway`, `ferry`, `funicular`,
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`gondola`, `all`.
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Multiple values can be specified (comma separated).
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## OSM filtering
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`pfaedle` comes with the ability to filter OpenStreetMap data. If you specify
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the `-X` flag, `pfaedle` will filter the input OSM file and output a new OSM
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file which contains *exactly* the data needed to calculate the shapes for the
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input GTFS feed and the input configuration.
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This can be used to avoid parsing (for example) the entire world.osm on each
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run.
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## Debugging
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The following flags may be useful for debugging:
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* `-T <GTFS TRIP ID>` only calculate shape for a single trip (specified via its GTFS trip id) and output it as GeoJSON to
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`<dbg-path>/path.json`
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* `--write-graph` write the graph used for routing as GeoJSON to
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`<dbg-path>/graph.json`
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* `--write-cgraph` if `-T` is set, write the combination graph used for
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routing as GeoJSON to `<dbg-path>/combgraph.json`
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# Configuration
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The main config file distributed with this repository is `pfaedle.cfg`. The
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config file has some comments which hopefully explain the meaning behind the
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parameters
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# Evaluation
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You may run an entire evaluation of our testing datasets Vitoria-Gasteiz, Paris, Switzerland and
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Stuttgart with
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```
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mkdir build && cd build
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cmake ..
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make -j
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make eval
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```
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*Note:* this will download, and filter, the entire OSM files for Spain and the
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Stuttgart region. Make sure you have enough space left on your hard drive.
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## Evaluation requirements
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* zlib
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On Debianesque systems, type
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```
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sudo apt-get install zlib1g-dev
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```
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to install the dependencies.
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