[Qgis-user] question on advanced digitizing

[Alexandre Neto]

Here's how I do it.

https://twitter.com/AlexNetoGeo/status/856395509367525376?s=19

Alexandre Neto

A quinta, 6/05/2021, 09:21, Andreas Neumann <a.neumann at carto.net> escreveu:

> Hi Gabriel,
>
> Yes - this is possible - but it is a bit hard to find.
>
> I will try to explain (and yes, this would need improvements in the
> digitizing chapter of the QGIS manual).
>
> Steps:
>
> 1. Enable Snapping on your active layer
>
> 2. Enable "Self Snapping"
>
> 3. Press the "Add Polygon Feature" button (but don't yet digitize)
>
> 4. Enable "Advanced Digitizing"
>
> 5. In the "Advanced Digitizing" panel select the angles you want to snap to
>
> 6. Start digitizing by pressing the left mouse button and adding the first
> segment with the second click
>
> 7. Add any additional segments by staying with the new segments within the
> angle tolerance in order to get new segments with proper right angles
>
> 8. If you want to close: first press "Alt-A" to fix the angle. Second: go
> to your initial start point and snap to it with the Left Mouse Button
>
> 9. Press "Right Mouse button" to finish editing the polygon
>
> Here is a Video demonstrating the steps:
> https://www.youtube.com/watch?v=JimwOpN8dOU (sorry about my voice, I
> don't have a radio voice ;-) )
>
> As others have pointed out, you can uses the different "Add Rectangle"
> modes in the "Shape Digitizing Toolbars", e.g. "Add Rectangle from 3
> points".
>
> Hope this helps,
>
> Andreas
>
>
> On 2021-05-05 20:38, Gabriel Cotlier wrote:
>
> Hello,
>
> I'm digitizing a square using the advanced digitizing tool, however when
> I'm about to close the rectangle's last angle, the tool doesn't offer me to
> see how to close it with a perfect square angle at the last click. Thus
> cannot finish the figure as a perfect square (four 90 degree angles).
>
> How can I perform the square with the 4 perfect 90 degree angles using the
> digitizing tool?
>
> Thanks a lot for your help.
> Kind regards,
> Gabriel
>
>
>
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