github/InvokeAI

mirror of https://github.com/invoke-ai/InvokeAI.git synced 2026-04-23 03:00:31 -04:00

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Josh Corbett 7eaf1d5bd0 New Documentation Fixes (#9061 )

* fix(docs): swap `docs-new` to `docs`

also renames `docs` to `docs-old`, purely for preservation purposes.

* feat(docs): clarify compel syntax availability

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Co-authored-by: joshistoast <me@joshcorbett.com>

2026-04-17 08:10:10 -04:00

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Lasso Tool

The Lasso tool creates selections and inpaint masks by drawing freehand or polygonal regions on the canvas.

How to open the Lasso tool

Click the Lasso icon in the toolbar.
Hotkey: press L (default). The hotkey is shown in the tool's tooltip and can be customized in Hotkeys settings.

Modes

Freehand (default)
- Hold the pointer and drag to draw a continuous contour.
- Long segments are broken into intermediate points to keep the line continuous.
- Very long strokes may be simplified after drawing to reduce point count for performance.
Polygon
- Click to place points; click the first point (or a point near it) to close the polygon.
- The tool snaps the closing point to the start for precise closures.

Basic interactions

Switch modes with the mode toggle in the toolbar.
To close a polygon: click the starting point again or click near it — the tool aligns the final point to the start to complete the shape.
The selection will be added to the current Inpaint Mask layer. If no Inpaint Mask layer exists, a new one will be created automatically.

Tips & behavior

Hold Space to temporarily switch to the View tool for panning and zooming; release Space to return to the Lasso tool and continue drawing.
When using the Polygon mode, you can hold Shift to snap points to horizontal, vertical, or 45-degree angles for more precise shapes.
Hold Ctrl (Windows/Linux) or Command (macOS) while drawing to subtract from the current selection instead of adding to it.