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Select, Move, Scale and Rotate Objects
Table of Contents
Keyboard shortcut: S
(Press S
twice for Lasso selection mode) — is one of the working modes
Select mode
This mode is to change the selection of objects on the map.
The selected objects are drawn in a different style (red color by default); depending on preferences and the active styles. They are listed in the Selection window.
The cursor icon will also change depending on the selection mode.
Select the single object
Single left mouse click is used to select an object
Activation steps: Left mouse click
Action: Select a node or way under mouse cursor.
More precisely, previously selected object(s) will be replaced with new object and displayed in Selection window.
Unselecting an object
Activation steps: hold Ctrl
when using Left mouse button
Action: a way or node will be removed from the currently selected objects
Cycle in dense or overlapping objects with pop-up
Cursor: none
Activation steps:
Middle mouse click
to cycle objects with small pop-upLeft mouse click
while holding theAlt
(orAltGr
) key to cycle through nearby objects without showing a pop-up window
This is useful when:
- certain way which shares common nodes with one or more other ways
- multiple objects overlap
- multiple objects very close to each other
- selecting between multiple nodes if they appear as single node (multiple dots appear as one)
Action: it will show a pop-up window of nearby objects and to cycle through them. To make this type of selection the default, and thus not require the use of the Alt
key, change the advanced preference selectaction.cycles.multiple.matches
to true. Holding Ctrl
afterwards to directly select an object.
Double click selects surrounding
Cursor: none
Activation steps: Double mouse click
Action: select the surrounding object (area or multipolygon).
Selection rectangle
Select multiple objects using selection rectangle
Activation steps: hold and drag the Left mouse button
around objects
Actions:
- Release the
Left mouse button
- to select all objects within the rectangle, more precisely:- all nodes within the rectangle and
- any ways which are entirely within the rectangle will be selected
- previously selected objects will be replaced with new object(s) and displayed in Selection window
- Hold the
Right mouse button
when releasing the left mouse button - cancel the selection rectangle
Hold right mouse to move rectangle
You can move defined rectangle as many times as you want: simply hold right mouse button and move mouse cursor around.
Pay attention that in order to select elements, you should release right mouse button first, then left mouse button.
Modifiers
When the mouse button is released and either Alt
, Shift
or Ctrl
is held, action will changed; 3 paragraphs below cover it in detail.
Combination of modifiers
Alt
can be combined withShift
Alt
can't be combined withCtrl
- as this is used for the scale command
Alt modifier
Cursor: none
Activation steps: Alt
Actions: in addition to the normal behaviour, select all ways that have at least one node within selection rectangle
Shift modifier
Activation steps: Shift
Actions: the objects are added to the current selection
Ctrl modifier
Activation steps:
Actions: remove all objects in current rectangle from selected objects (if there were any); nothing is added to the current selection.
Move
You can move the whole selection by moving the pointer close to a selected object, click and drag the pointer.
Moving is also possible with Shift + Arrow keys
.
Improve Way Accuracy - over time many mappers switch to this tools instead of manually selecting-and-moving each node
Drag a Midpoint creates New Node
Activation steps: clicking and dragging a yellow cross in the middle of a segment; at any point in time, there N mid points to drag where N is number of segments.
Action: will insert a new node at the location of the cross
Merge nodes
Activation steps: hold down Ctrl
and drag one selected node onto an unselected one
Action: merge selected nodes with another; internally it will simply use Merge Nodes - please read more details there.
Rotate
Activation steps: Shift+Ctrl
+ Left mouse button
and moving mouse up and down
Action: rotate selected nodes and ways around their geometrical centre.
Rotation at defined angles is possible via the ShapeTools Plugin.
Scale
Activation steps: Ctrl+Alt
+ Left mouse button
and moving mouse up and down
Action:
- scale selected nodes and ways around their geometrical centre. Proportions will be kept.
- if used only on 2 nodes, it will move them from or to their mid point (depending on mouse move)
Advanced details
Whether a mouse action is considered a selection or a move depends on some settings, to prevent objects from being moved when a simple selection was intended; this is particularly important on devices such as tablets that are touch sensitive or use a stylus. If the pointer is moved between pressing and releasing the left mouse button, the object will only be moved if the pointer moved more than 5 pixels or was held down for more than 0.2 seconds, otherwise the object will simply be selected. These two settings can be changed with the advanced preferences edit.initial-move-threshold
(pixels) and edit.initial-move-delay
(milliseconds).
See also
- Shortcuts#Altkey - if
Alt
doesn't work - Unselect all
Escape
- UtilsPlugin2 contains additional selection functionality
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