30 lines
1.5 KiB
Markdown
30 lines
1.5 KiB
Markdown
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---
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title: 'Manual drawing'
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linkTitle: 'Manual drawing'
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weight: 1
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---
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It is used for semantic / instance segmentation.
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Before starting, you need to select `Polygon` on the controls sidebar and choose the correct Label.
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- Click `Shape` to enter drawing mode.
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There are two ways to draw a polygon: either create points by clicking or
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by dragging the mouse on the screen while holding `Shift`.
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| Clicking points | Holding Shift+Dragging |
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| ------------------------------ | ------------------------------ |
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- When `Shift` isn't pressed, you can zoom in/out (when scrolling the mouse
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wheel) and move (when clicking the mouse wheel and moving the mouse), you can also
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delete the previous point by right-clicking on it.
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- You can use the `Selected opacity` slider in the `Objects sidebar` to change the opacity of the polygon.
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You can read more in the
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{{< ilink "/docs/manual/basics/CVAT-annotation-Interface/objects-sidebar#appearance" "Objects sidebar" >}} section.
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- Press `N` again or click the `Done` button on the top panel for completing the shape.
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- After creating the polygon, you can move the points or delete them by right-clicking and selecting `Delete point`
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or clicking with pressed `Alt` key in the context menu.
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