[Qgis-user] Volume calculation - Reg

[Vincent Cloarec]

TIN interpolation was improved in the 3.16 release. Quite crashes were
fixed.
Please, report any issues in github.
Regards.

Vincent.


Le ven. 18 déc. 2020 à 05:29, Michael Dufty <MDufty at mbsenvironmental.com.au>
a écrit :

> The links for Nicolas are quite useful, but I think to create a raster DEM
> from vector lines you probably need to use the interpolate triangulation
> with breaklines or structure lines.
>
> The dialogue takes a bit of getting used to, you need to choose the layer
> the data will come from, click + then in the box below choose whether the
> layer is being used for points, breaklines or structure lines.
>
>
>
> I’ve had major issues with the interpolation crashing QGIS if I try to
> used it with breaklines for complex imported data, but it seems to work OK
> for simple test geometries, and may be good for a simple excavation.
>
>
>
> I’d be interested to know if anyone has had success with interpolation
> using breaklines for more complex data, I’ve had to resort to other
> software trying to import DEM supplied as dxf 3d faces, but maybe I’m
> missing a basic step like fixing geometry or removing duplicates.
>
>
>
> *From:* Qgis-user <qgis-user-bounces at lists.osgeo.org> *On Behalf Of *Nicolas
> Cadieux
> *Sent:* Friday, 18 December 2020 12:04 AM
> *To:* Abhi Shek <psn.abhishek at gmail.com>
> *Cc:* qgis-user at lists.osgeo.org
> *Subject:* Re: [Qgis-user] Volume calculation - Reg
>
>
>
> This should help
>
>
>
> https://youtu.be/EerXfUf-aHo
>
>
>
>
> https://www.pointsnorthgis.ca/blog/how-to-calculate-surfacecut-volume-qgis-advanced/
>
> Nicolas Cadieux
>
> https://gitlab.com/njacadieux
>
>
>
> Le 17 déc. 2020 à 04:57, Abhi Shek <psn.abhishek at gmail.com> a écrit :
>
> 
>
> Sir,
>
> I invite your kind attention to the above subject. I am a beginner in qgis.
>
> I want to create a raster DEM using Vector Lines.
>
> In a nutshell, I want to calculate the planned excavated volume.
>
> please guide me in this matter.
>
>
>
> --
>
> with warm regards,
> P S N Abhishek,
>
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