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feat(vbn): added Java setup

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Begerad, Stefan 2021-09-20 13:24:00 -04:00
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# OTP setup for VBN
There is not just one way to do it.
That is why you have following selection.
That is why you have the following selection.
## Setup according to [basic tutorial](http://docs.opentripplanner.org/en/latest/Basic-Tutorial/)
## Prepare host system
* Set up Java
* Download [JRE](https://adoptopenjdk.net/?variant=openjdk11&jvmVariant=hotspot)
* Copy JRE onto host system like this:
* ```scp -P 22 ~/OpenJDK11U-jre_x64_linux_hotspot_11.0.12_7.tar.gz sib@83.223.94.182:/home/sib/```
* Move and extract archive like this:
* ```sudo mv ~/OpenJDK11U-jre_x64_linux_hotspot_11.0.12_7.tar.gz /opt/```
* ```sudo tar -xzf OpenJDK11U-jre_x64_linux_hotspot_11.0.12_7.tar.gz```
* At JAVA_HOME to ```~/.bashrc``` like this:
* ```export JAVA_HOME=/opt/jdk-11.0.12+7-jre```
* Extend PATH in ```~/.bashrc``` like this:
* ```export PATH=$PATH:$JAVA_HOME/bin```
* Test JAVA version like this:
* ```java -version```
## Setup according to [basic tutorial](http://docs.opentripplanner.org/en/latest/Basic-Tutorial/)
* Download GTFS [data](vbn.gtfs.zip) from Connect-Fahrplanauskunft GmbH
* Download osm map data from [geofabrik](lower-saxony.osm.pbf.ln)
* Get bounding box for VBN from https://boundingbox.klokantech.com/
@ -12,13 +27,15 @@ That is why you have following selection.
* `osmconvert lower-saxony.osm.pbf.ln -b=7.6966,52.4508,9.6501,53.8503 --complete-ways -o=vbn.osm.pbf`
* The output file is called `vbn.osm.pbf`
* Build a street graph with OSM and elevation data only (ignoring transit input files)
* `java -Xmx2G -jar otp.jar --buildStreet .`
* `java -Xmx5G -jar otp.jar --buildStreet .`
* The output file is called `streetGraph.obj`
* Build a graph layering transit data on top of the saved street graph (built using the previous command)
* `java -Xmx2G -jar otp.jar --loadStreet --save .`
* `java -Xmx5G -jar otp.jar --loadStreet --save .`
* The output file is called `graph.obj`
* Copy config files to the right place like this:
* ```tbd```
* Finally, the server can be started using the --load parameter
* java -Xmx2G -jar otp.jar --load .
* java -Xmx5G -jar otp.jar --load .
## Setup accoriding to [cookbook](https://transportkollektiv.github.io/digitransit-setup/index.html)
There is a dedicated [repository[(https://github.com/transportkollektiv/digitransit-setup) for this cookbook.