It is used for semantic / instance segmentation.
Before starting, you need to select
Polygon on the controls sidebar and choose the correct Label.
Shapeto enter drawing mode. There are two ways to draw a polygon: either create points by clicking or by dragging the mouse on the screen while holding
Shiftisn’t pressed, you can zoom in/out (when scrolling the mouse wheel) and move (when clicking the mouse wheel and moving the mouse), you can also delete the previous point by right-clicking on it.
- You can use the
Selected opacityslider in the
Objects sidebarto change the opacity of the polygon. You can read more in the Objects sidebar section.
Nagain or click the
Donebutton on the top panel for completing the shape.
- After creating the polygon, you can move the points or delete them by right-clicking and selecting
Delete pointor clicking with pressed
Altkey in the context menu.