Thanks Nyall.

I dont know why but  GDAL SINGLE SIDED BUFFER it doesnt work really well.
The result of this buffer is a line and not a polygone (the line is the
same of the input file!!)

I just put my input file and 150 m for the distance buffer for the left
side.
Thanks,
​A.L.​


2016-12-19 20:19 GMT+01:00 Nyall Dawson <nyall.daw...@gmail.com>:

>
>
> On 20 Dec 2016 05:06, "Azzurra Lentini" <azzurralent...@gmail.com> wrote:
>
> Dear all I have a layer shapefile lines with around 30 lines.
>
> I need a buffer of one of these  lines with 2 different values of buffer
> distance: 150 m on the left and 30 m on the right.
>
> Which kind of buffer option can I use??
>
> I know only single sided buffers but with this option I need to  repeat
> the buffer for every side.
>
>
> Buffer the left and right sides separately using single sided buffer, then
> merge the resulting output and dissolve them based on a unique identifier.
>
> Nyall
>
>
>
>
> Thanks to all, A.L:
>
> --
> Dr. Hydrogeologist
> AZZURRA LENTINI
> Expert of evaluation environmental hazards
> GIS application
> Haity Mobile Tel: 0050946057393
> ++++++++++++++++++++++++++
> Italy Mobile Tel.: **(39) 338 24 40 676
> ++++++++++++++++++++++++++
> SKYPE azzurrahydro
> ++++++++++++++++++++++++++
> azzurralent...@gmail.com
> ++++++++++++++++++++++++++
> *Par respect pour l'environnement,*
>
> *n'imprimez ce mail qu'en cas d'absolue nécessité*
>
>
>
>
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>
>
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-- 
Dr. Hydrogeologist
AZZURRA LENTINI
Expert of evaluation environmental hazards
GIS application
Haity Mobile Tel: 0050946057393
++++++++++++++++++++++++++
Italy Mobile Tel.: **(39) 338 24 40 676
++++++++++++++++++++++++++
SKYPE azzurrahydro
++++++++++++++++++++++++++
azzurralent...@gmail.com
++++++++++++++++++++++++++
*Par respect pour l'environnement,*

*n'imprimez ce mail qu'en cas d'absolue nécessité*









-- 
Dr. Hydrogeologist
AZZURRA LENTINI
Expert of evaluation environmental hazards
GIS application
Haity Mobile Tel: 0050946057393
++++++++++++++++++++++++++
Italy Mobile Tel.: **(39) 338 24 40 676
++++++++++++++++++++++++++
SKYPE azzurrahydro
++++++++++++++++++++++++++
azzurralent...@gmail.com
++++++++++++++++++++++++++
*Par respect pour l'environnement,*

*n'imprimez ce mail qu'en cas d'absolue nécessité*
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