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 <mdu...@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-boun...@lists.osgeo.org> *On Behalf Of *Nicolas > Cadieux > *Sent:* Friday, 18 December 2020 12:04 AM > *To:* Abhi Shek <psn.abhis...@gmail.com> > *Cc:* qgis-user@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.abhis...@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, > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >
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