[Qgis-user] Snapping points and lines in 3D

[Régis Haubourg]

Hi, It's not by chance, we have been working a lot to try to make the
digitizing maptools catch with the 3D API for geometries, because before
2.18, it was just destroying Z and M values for all operations.
I think some use cases are still missing probably, and some are not easy to
solve by one default behavior, because choosing if you want to snap Z value
or not should be a user choice.
We have been discussing a lot about going towards some interactive snapping
widget to be able to choose which feature to grab, which to snap to, use Z
or not, use a Z snapping tolerance or not. It's a big topic!
Best regards
Régis

Le mar. 30 oct. 2018 à 15:29, Saber Razmjooei <
saber.razmjooei at lutraconsulting.co.uk> a écrit :

> Hi Morten,
>
> This is probably by chance that the line works! Have you tried to move the
> point using the node tool?
>
> Proper 3D digitizing from within the 3D map is in our to-do list for
> future, but if you'd be interested in sponsoring the feature, feel free to
> contact us.
>
> Regards
> Saber
>
> On Tue, 30 Oct 2018 at 08:08, Morten Storm <morten.storm at artogis.dk>
> wrote:
>
>> Hi,
>>
>>
>>
>> I have a 3D point layer from a GPS device (with x, y AND z coordinates).
>>
>>
>>
>> I want to digitize new features in 3D point and 3D line layers with
>> snapping in all 3 dimensions to these GPS points.
>>
>>
>>
>> This works great for line features - every node gets 3D coordinates when
>> snapped to my GPS points. However point features only get 2D coordinates
>> (zero for z)!? Do I do something wrong - or is this by design?
>>
>>
>>
>> I have tried this in QGIS 2.18.21 and QGIS 3.4.0.
>>
>>
>>
>>
>>
>> Best regards,
>>
>>
>> *Morten Storm*Chefkonsulent
>>
>> [image: logo] <http://www.artogis.dk/>
>>
>> [image: info]
>>
>>
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>
>
> --
> Saber Razmjooei
> www.lutraconsulting.co.uk
> +44 (0)7568 129733
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