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All the Sections that JMRI knows about can be viewed using the Section Table.
To open this tool, select Sections in the Tables submenu of the Tools menu of the main JMRI program window.
To Create a new Section, click the "Add..." button at the bottom of the Section Table pane. A window will be brought up that will allow you to define the blocks included in the new Section, and if necessary, designate which entry points to the section result in travel in the FORWARD and REVERSE directions.
The Section Table has a Tools menu to facilitate use of Sections. Normally these tools would be used after all Sections are defined. The menu items and their use are described below:
Note: Dispatcher can place direction sensors in SSL signal logic automatically when a train is activated. Dispatcher will place direction sensors if it is provided with a Layout Editor panel and allowed to use its connectivity (required for automatic running). This allows using direction-based signaling even if the panel is stored with these sensors removed from signal logic.
This tool should only be used after all Sections have been defined and all signal head logic has been set up. A Layout Editor panel is required, because the software needs the panel's connectivity to figure out which signal heads need which direction sensor. If a direction sensor is already in the Simple Signal Logic (SSL) for a signal head, it is not duplicated. However, if an incorrect direction sensor is present in the SSL, it is not removed. (Use the tool described below to remove direction sensors.) After placing direction sensors is complete a message is displayed giving results. Detailed error messages, if any, are placed in the JMRI error log. When an error occurs, the most common reasons are 1) missing information (signal heads missing or signal logic not set up) or 2) errors in setting up Section Entry Point directions.
Back to Sections Documentation.
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