selection

Introduction

In addition to using rectangular selection boxes or directly clicking on them, there are other options for selecting elements, which is to use the selection operation group, which allows us to conveniently select elements in irregular areas. There are two main forms: mouse-drawn polygon selection or mouse-move selection (with the left mouse button held down).

Basic operations

Entering and exiting selection mode

action	binding
Enter selection mode	`<<s>>`
Exit selection mode	`<<Escape>>` and `<<<s>>>`
Toggle selection and deselection	`<<<e>>>`
Select motion	`<<<mouse_motion>>>`
Select mouse click	`<<<mouse_left_button>>>`
Enter the polygon selection operation group	`<<<x>>>`

Polygon selection operation group operation collection:

action	binding
Exit polygon selection mode	`<<<Escape>>>` and `<<<x>>>`
Polygon select motion	`<<<mouse_motion>>>`
Polygon deselect motion	`<<<Ctrl-mouse_motion>>>`

Operation after entering selection mode

Common selection operation example:

selection_basic

Operation after entering polygon selection mode

selection situation.
deselection situation.

selection_polygon