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

[Morten Storm]

Hi Saber and Régis,

 

Thanks for your prompt replies! I am not trying to digitize in 3D view - but was merely hoping to snap in all 3 dimensions when doing ordinary editing with snap to points containing this information. I understand that this may be a bigger issue, than I originally anticipated - but I also think that I (and the other users, I know) would prefer "unconditional" snapping to Z, if the information is there and until the whole topic had been resolved.

 

Do you by any chance have a work around for this?

 

 

Best regards,


Morten Storm



 

Fra: Régis Haubourg [mailto:regis.haubourg at gmail.com] 
Sendt: 30. oktober 2018 16:16
Til: Saber Razmjooei
Cc: Morten Storm; QGIS list
Emne: Re: [Qgis-user] Snapping points and lines in 3D

 

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 
		
		Fejl! Filnavn er ikke anført. <http://www.artogis.dk/> 

		Fejl! Filnavn er ikke anført.

		 

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	Saber Razmjooei

	www.lutraconsulting.co.uk
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