JOZ File – What is .joz file and how to open it?


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JOZ File Extension

Java OpenStreetMap Session – file format by OpenStreetMap

The JOZ file extension denotes a Java OpenStreetMap Session file, a data format that stores geographic data from OpenStreetMap, an open-source map of the world. It is a proprietary format used by the Java OpenStreetMap editor JOSM to save user sessions, including map data, changes, and annotations.

Definition and History of JOZ Files

A JOZ file is an OpenStreetMap (OSM) session file used to store the data and metadata associated with a user’s editing session in JOSM (Java OpenStreetMap Editor). JOSM is a desktop application that allows users to create, edit, and manage OpenStreetMap data. When a user opens a JOZ file in JOSM, the application recreates the exact state of the editing session, including the loaded data, the active layers, and any unsaved changes.

JOZ files were developed by the OpenStreetMap community as a standardized format for exchanging and storing editing sessions. By using this format, users can easily share their work with others, collaborate on projects, and resume editing sessions from different devices. JOZ files have become an essential part of the OSM workflow, enabling efficient and seamless data management within the community.

Understanding JOZ Files

JOZ files are text-based files that store data related to OpenStreetMap sessions. They are used by the Java OpenStreetMap (JOSM) editor, a free and open-source software for editing and maintaining OpenStreetMap data. JOZ files contain information about the current editing session, including the user’s zoom level, cursor position, and any changes made to the map data.

Opening JOZ Files

JOZ files can only be opened using JOSM. To open a JOZ file:

  1. Launch JOSM: Install and launch the latest version of JOSM on your computer.
  2. File Menu: Click on the “File” menu located at the top of the JOSM window.
  3. Open: Select the “Open” option from the menu.
  4. File Browser: In the file browser that appears, navigate to the location of the JOZ file you wish to open.
  5. Open File: Select the JOZ file and click the “Open” button.

Once opened, the JOZ file will load into JOSM, allowing you to continue editing the OpenStreetMap map data from where you left off in the previous session. It’s important to note that JOZ files are not compatible with other GIS software or mapping applications and can only be used within the JOSM environment.

JOZ File Format

A JOZ file is a Java OpenStreetMap Session file used by OpenStreetMap, a collaborative project that creates and distributes free geographic data. It stores a user’s session data, including the map view, bookmarks, and map state. JOZ files allow users to save their progress and resume editing at a later time. They are typically stored locally on the user’s computer and can be accessed by the OpenStreetMap editor.

Applications and Usage

JOZ files are essential for OpenStreetMap users who want to save their work and continue editing later. They provide a convenient way to store and manage multiple sessions, making it easier to collaborate on projects within the OpenStreetMap community. For example, a user can create multiple JOZ files for different regions or projects, allowing them to switch between sessions quickly and efficiently. Additionally, JOZ files can be shared with other users, allowing teams to collaborate on mapping projects.

Other Extensions