Re: [Qgis-user] Contours to DEM surface

[Andreas Neumann]

Hi Lester,

I had very good results with v.surf.rst (GRASS module) through 
Processing. It is not the fastest, but it had the best results.


The many options look a bit "overwhelming" at first, but many defaults 
are ok.


Andreas

On 12.07.2016 17:48, Lester Anderson wrote:

Hello all,

A quick one, but is there an easy route/workflow to convert a
shapefile of elevation contours to a grid surface?

Thanks
Lester

QGIS 2.10, 2.12, 2.14
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Re: [Qgis-user] Contours to DEM surface

[Nicolas Cadieux]

Hi,

Keep in mind Lester that the result will always look like a rice paddy 
field with steps unless you resort to lots of smoothing.  You will see 
theses steps with you do a shade model from the DEM. That's a good way 
to see the problem.  It may no be visible by just looking at the DEM.

Nicolas


Le 2016-07-12 12:17, Anita Graser [via OSGeo.org] a écrit :
> Hi Lester
>
> On Tue, Jul 12, 2016 at 5:48 PM, Lester Anderson <[hidden email] 
> > wrote:
>
> A quick one, but is there an easy route/workflow to convert a
> shapefile of elevation contours to a grid surface?
>
>
> ​Please have a look at the solutions suggested in 
> http://gis.stackexchange.com/questions/18116/creating-dem-from-contours-in-qgis
>
> Best wishes,
> Anita​
>
>
>
>
>
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Re: [Qgis-user] Contours to DEM surface

[Martin Schneppmüller]

Hi Lester,

I would try to make "points from lines" (I thinks its under 'vector' -
'geometry tools' ) and then create a raster wiht the interpolation plugin (
http://docs.qgis.org/2.8/en/docs/user_manual/plugins/plugins_interpolation.html).
Maybe you can try the interpolation plugin with the lines.

The lines must have the attribute "elevation" or somthing else hope this
helps.





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Re: [Qgis-user] Contours to DEM surface

[Anita Graser]

Hi Lester

On Tue, Jul 12, 2016 at 5:48 PM, Lester Anderson 
wrote:
>
> A quick one, but is there an easy route/workflow to convert a
> shapefile of elevation contours to a grid surface?
>

​Please have a look at the solutions suggested in
http://gis.stackexchange.com/questions/18116/creating-dem-from-contours-in-qgis

Best wishes,
Anita​
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[Qgis-user] Contours to DEM surface

[Lester Anderson]

Hello all,

A quick one, but is there an easy route/workflow to convert a
shapefile of elevation contours to a grid surface?

Thanks
Lester

QGIS 2.10, 2.12, 2.14
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