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Add additional Offset Curve Documentation #9382

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Original file line number Diff line number Diff line change
Expand Up @@ -1313,18 +1313,24 @@ The tool can be applied to the edited layer (the geometries are modified)
or also to background layers (in which case it creates copies of the lines /
rings and adds them to the edited layer).
It is thus ideally suited for the creation of distance line layers.
The :guilabel:`User Input` dialog pops-up, showing the displacement distance.
The :guilabel:`User Input` dialog pops-up, showing the displacement distance
and other settings.

To create a shift of a line layer, you must first go into editing mode
To create a shift of a line or polygon layer, you must first go into editing mode
and activate the |offsetCurve| :sup:`Offset Curve` tool.
Then click on a feature to shift it.
Move the mouse and click where wanted or enter the desired distance in
the user input widget. Holding :kbd:`Ctrl` during the 2nd click will make an offset copy.
Your changes may then be saved with the |saveEdits|
:sup:`Save Layer Edits` tool.

For geometries on background layers make sure that snapping is on and hold :kbd:`Ctrl`
to select the geometry from the background. Also hold :kbd:`Ctrl` when doing the second click
or when pressing enter after entering the desired distance.
Geometries will be converted to line or polygon depending on the layer types.

QGIS options dialog (Digitizing tab then **Curve offset tools** section) allows
QGIS options dialog (Digitizing tab then **Curve offset tools** section) or
the gear icon in the :guilabel:`User Input` dialog allows
you to configure some parameters like **Join style**, **Quadrant segments**,
**Miter limit**.

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