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{{For|the json2ttb tutorial|Json2ttb/Tutorial}}

{{For|the json2ttb tutorial|Json2ttb/Tutorial}}

'''json2ttb''' is a external tool for [[About|Railway Operation Simulator]] which allows the user to speed up the creation of complex [[TTB file|timetables]].

'''json2ttb''' is a external tool for [[About|Railway Operation Simulator]] which allows the user to speed up the creation of complex [[Timetable Creation|timetables]].

The program works by parsing a user-written json file, which is then converted to a [[.ttb file]] which can be used in within ROS. The structure of the json file is in such a way that you define a service template, which can then be iterated upon and copied over several instances, which can have non-iterative references, descriptions, times and train data.

The program works by parsing a user-written json file, which is then converted to a [[.ttb file]] which can be used in within ROS. The structure of the json file is in such a way that you define a service template, which can then be iterated upon and copied over several instances, which can have non-iterative references, descriptions, times and train data.