Preferences > Display Settings

Various settings that influence the visual representation of the whole program.. Display settings are grouped into several tabs 'GPS Points', 'OSM Data', 'Colours', 'Look and feel'.

GPS Points

Settings to do with the display of GPS Points. These settings control the display of track points if you use JOSM with GPS traces loaded in from a local file, or everybody's trackpoints downloaded from the OpenStreetMap server.

You can cause lines to be drawn between raw GPS points.

The size which GPS points are displayed in can be changed from standard to large.

OSM Data

Settings to do with map data layers shown in JOSM (ways/nodes etc)

You can cause an arrow to be drawn at the end of each segment, to show the direction in which the segment was drawn. You can also choose to have that arrow drawn only at the end of the way instead. Also, for some ways that have direction dependent tags (like oneway) oneway arrows can be shown.

You can choose to show the boundary of downloaded data. When downloading an area you get all the data within the rectangular bounding box you choose, and also, where any way within that bounding box extends outside the box it is completely downloaded. It therefore becomes difficult to precisely know which areas you have downloaded full data for. If you check the "Draw boundaries of downloaded data" box, yellow hatching is drawn over all the areas for which data has not been downloaded. You should avoid adding or editing data in areas of yellow hatching as it may duplicate already existing data.

You can choose to display inactive layers in a different colour.

In addition to these, the option to switch from "wireframe" to "paint" view can be found on the 'View' menu

Colours

Colour choices. These largely relate to display of OSM data layers too. You can change the colour scheme for the display of nodes, ways, background, etc. "Paint style" options all relate to the non-wireframe view ('View' menu option)

Look and Feel

Some overall look and feel options

Change the language of the JOSM interface here.

You can choose the overall theme, current options are : Metal, CDE / Motif, Windows, Windows Classic.

The [Modeless Working] option modifies the click behaviour when editing. It transits between modes in a more automatic way, similar to the online flash editor Potlatch.

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