Enquiry about Position table

[a7medma7moud]

What course field refer to ?
and Can I add a new fields in the position table that can get their values from other tables for example adding vehicle id that can get its value from vehicles table

[tananaev]

Course is direction/heading.

You can certainly add such new fields, but you would have to do some code modifications. It's not possible from config file.

[a7medma7moud]

are there any fields that refer to GPS signal ?

[tananaev]

Some devices report GPS signal quality whatever it means. Some other report HDOP value.

[a7medma7moud]

If I want to modify in the code to add a new fields, Which classes that I should to modify ?

[tananaev]

You can start with position model class:

https://github.com/tananaev/traccar/blob/master/src/org/traccar/model/Position.java

[a7medma7moud]

Thanks a lot ,
If I want to replace device table with my table that contain the devices and also contain name , unique id and other fields , Is that may cause problems , Can I achieve that from config file or which classes that I have to modify ?

[tananaev]

You should be able to do it from the config file. I don't expect it cause any issues.

[a7medma7moud]

In which class you check if the device founded in the device table to add its positions in position table?

[tananaev]

All database communication is happening in this class:

https://github.com/tananaev/traccar/blob/master/src/org/traccar/database/DataManager.java