[Qgis-user] adding a vertex in the middle of the edge of a polygon

[Saulteau Don]

Noticed it's part of this QEP, at least the snapping functionality is
really what I'm looking for. Cause I was trying to split a polygon directly
in half using the mid-point on the edges.

https://github.com/qgis/QGIS-Enhancement-Proposals/issues/107



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On Fri, May 31, 2019 at 3:16 PM Saulteau Don <sault.don at gmail.com> wrote:

> I was reading the docs on the Vertex Tool in QGIS 3.6.3.
>
>
> https://docs.qgis.org/3.4/en/docs/user_manual/working_with_vector/editing_geometry_attributes.html#basic-operations
>
> It mentions that to add a new vertex, I simply need to double-click the
> line and it will add one using the vertex tool. I can't get it to work
> though.
>
> If I double-click this red X (which represents the middle of the segment
> between two other vertices), the behaviour I am seeing is that it selects
> the phantom middle vertex for me to move it else where (similar to what a
> single-click does). I have to "triple" click but that isn't placing the new
> vertex exactly in the centre where the imaginary red X is being displayed
> to indicate it's the middle of the line. There's no snapping being applied
> once it goes into "drag" mode.
>
> I would like to add a vertex at the exact middle of the line where the red
> X appears when you hover over it.
>
> How do I add a vertex in the middle of a polyline segment?
>
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