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@@ -8,9 +8,24 @@ Python generator for MATSim signals xml files
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## prerequisites
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-MATSim network files (`.xml`)
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-OpenStreetMap traffic signal files (`.xml`):
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-*(test files are available in `input/` folder)*
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+### softwares and data files
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+
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+- osmosis (http://wiki.openstreetmap.org/wiki/Osmosis)
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+- OpenStreetMap data file `.pbf` (http://download.geofabrik.de/)
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+- MATSim network file `.xml` (test files are available in `input/` folder for *Calais* city)
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+
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+### extracting data examples
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+
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+Extract OpenStreetMap data with osmosis `.osm` (example for *Calais*):
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+```
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+cd osmosis/
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+./bin/osmosis --rbf nord-pas-de-calais-latest.osm.pbf --bounding-box top=50.9759 left=1.7965 bottom=50.9231 right=1.9222 --wx calais.osm
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+```
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+
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+Extract traffic lights data `.xml`:
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+```
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+./bin/osmosis --rb file=calais.osm --tf accept-nodes highway=traffic_signals --wx signals.osm.xml
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+```
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## install
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@@ -20,11 +35,4 @@ OpenStreetMap traffic signal files (`.xml`):
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## usage
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-### run
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-
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./signals_gen.py
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-
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-### examples
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-
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-## todo
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-this readme
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