This page is incomplete. "Map Paint Styles" describtion is missing and other sections are incomplete.

Preferences > Map Settings

Settings for the map projection and data interpretation

Map Projection

You can change the map projection method between Mercator, and some others. Be aware that projections maybe only valid for a certain area of the world.

Map Paint Styles

Tagging Presets

Presets allow you to select predefined tags for ways / nodes. From this area of the preferences menu you can choose which presets to use.

You can enable the default set of tagging presets.

If also / instead you wish to use your own presets then you should enter on this page the source for the preset file. The source can be a

• local file path (C:\Foo\Bar.xml)
• URL (​http://svn.openstreetmap.org/utils/josm/annotation_presets/presets.pre) or
• resource path (e.g. resource://data/annotations.xml), in which case the file has to be included in an plugin loaded at JOSM startup.

File Backup

If you save geo data to a local file and the file already exists JOSM writes the data to a temporary file (with the suffix ~). It then copies the temporary file to the target file. In the File Backup settings you can specify whether JOSM should delete the temporary file or whether it should leave it as "backup" in the file system.

1. Go to the tab File backup in the Map Preferences
2. Select or deselect the checkbox Keep backup files

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