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JOS File - What is a .jos file and how do I open it?

Learn about .JOS files and view a list of programs that open them.

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Overview

What is a JOS file? A JOS file is a session definition file created by Java OpenStreetMap (JOSM). It contains XML-formatted data that describes a JOSM session. Typically, JOS files are stored inside .JOZ archives, alongside a session's .OSM layers.

More Information JOS file open in Microsoft Visual Studio Code Java OpenStreetMap is a free OpenStreetMap map (OSM file) editor available for Windows, macOs, and Linux. It allows users to download or import OSM maps, mark them up with tagged nods and paths, and submit their edits to the official OpenStreetMap project. Users often save their in-progress JOSM editing sessions as JOZ files, so they can continue editing those sessions later. JOZ files are .ZIP archives that contain the OSM layers a user has imported into their session and a JOS file. The JOS file is an .XML file that describes the session's layers (including OSM layers and image layers), viewport settings at the time of being saved, and version. When a JOSM user opens a JOZ file, the program loads the session's settings from its JOS file and uses those settings to display the session (and its corresponding OSM files) correctly.

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.JOS File Extension

Java OpenStreetMap Session Definition

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What is a JOS file?

A JOS file is a session definition file created by Java OpenStreetMap (JOSM). It contains XML-formatted data that describes a JOSM session. Typically, JOS files are stored inside .JOZ archives, alongside a session's .OSM layers.

More Information

JOS file open in Microsoft Visual Studio Code

Java OpenStreetMap is a free OpenStreetMap map (OSM file) editor available for Windows, macOs, and Linux. It allows users to download or import OSM maps, mark them up with tagged nods and paths, and submit their edits to the official OpenStreetMap project.

Users often save their in-progress JOSM editing sessions as JOZ files, so they can continue editing those sessions later. JOZ files are .ZIP archives that contain the OSM layers a user has imported into their session and a JOS file.

The JOS file is an .XML file that describes the session's layers (including OSM layers and image layers), viewport settings at the time of being saved, and version. When a JOSM user opens a JOZ file, the program loads the session's settings from its JOS file and uses those settings to display the session (and its corresponding OSM files) correctly.

Common JOS Filenames

session.jos - The default name that JOSM assigns to JOS files.

How to open a JOS file

If your JOS file is stored alongside associated Java OpenStreetMap (JOSM) session data (saved in a directory named layers ), opening the JOS file with JOSM will open the corresponding JOSM session. If your JOS file is not stored alongside its associated JOSM session data, opening the file with JOSM won't do anything (besides producing an error message).

If you want to view the XML data your JOS file contains, you can open it with Microsoft Notepad , Apple TextEdit , or any other text editor.

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Programs that open JOS files

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Java OpenStreetMap

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Java OpenStreetMap

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Category: GIS Files

Updated: November 16, 2023

FAQ

What is a JOS file?↓
A JOS file is a session definition file created by Java OpenStreetMap (JOSM). It contains XML-formatted data that describes a JOSM session. Typically, JOS files are stored inside .JOZ archives, alongside a session's .OSM layers.
How do I open a .jos file?↓
If your JOS file is stored alongside associated Java OpenStreetMap (JOSM) session data (saved in a directory named layers), opening the JOS file with JOSM will open the corresponding JOSM session. If your JOS file is not stored alongside its associated JOSM session data, opening the file with JOSM won't do anything (besides producing an error message).

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