Migrating From iD to JOSM

What is different

JOSM uses right mouse drag to pan a map

Unlike osm.org, most other editors and software, you have to hold right mouse click to navigate main a map in editing window.

Aerial imagery

• you have to enable Aerial imagery using Imagery menu
• additional sources can be installed via Imagery tab in settings

Searching in presets

Text search accessible via F3 key, Search presets.

Shortcuts

Unfortunately, JOSM shortcuts are different from ​iD

Topic or iD function or a shortcut	comment	JOSM material
1, "add point"	exact analogue	A+Shift, Help/Action/Draw#Shiftmodifier
1, "add point"	similar tool	Ctrl+D Duplicate selected objects, F3 Search presets
2, "add line"	exact analogue	A Help/Action/Draw
3, "add area"	similar tools	A Help/Action/Draw (in most cases, draw a closed way) or Ctrl+B [Action/CreateMultipolygon Create a multi-polygon] out of multiple ways
A, continue drawing a line at the selected node	exact analogue	Help/Action/Draw#StandardMode (A)
B (background layer switcher)	exact analogue	Help/Menu/Imagery menu, and be configured in Help/Preferences/Imagery
C, combines the selected objects	similar tools	Merge Nodes M, Combine Ways C, Join Node to Way J, Ctrl+B [Action/CreateMultipolygon Create a multi-polygon]
Ctrl+C, copy the selected object	exact analogue	Ctrl+C copy the selected object
Ctrl+V, paste a previously copied object	exact analogue	Ctrl+V Paste from buffer
M, move objects	exact analogue	Shift+←, Shift+↑, Shift+→, Shift+↓ or simply using mouse drag
R, rotate object	exact analogue	Shift+Ctrl+ mouse move to [Help/Action/Select#Rotate rotate objects
H, show help	exact analogue	F1 show help menu
W, toggle wireframe mode	exact analogue	Ctrl+W Toggle between wireframe and mappaint mode
Ctrl+Z	exact analogue	Ctrl+Z Undo
Ctrl+Y	exact analogue	Ctrl+Y Redo
X, split line	similar tools	P Split Way is more restrictive, requires more actions
Ctrl + +	similar tools	Ctrl+J Opens the Jump To Position dialog or Ctrl+L Open location
Ctrl + -	similar tools	1 Zoom to data, 2 Zoom to layer, 3 Zoom to selection and others

Relations

Tools to edit relations

• [Action/CreateMultipolygon Create a multi-polygon] Ctrl+B
• Relation List toggle dialogue
• Relation Editor - main interface when editing a relation
• ​relation toolbox plugin (optional)

Multipolygon relations

One day you will encounter ​multipolygons. Don't please don't be afraid of this big page, there ​slightly outdated guide (ignore tagging) with decent illustrations.