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 <[email protected]>: > > > On 20 Dec 2016 05:06, "Azzurra Lentini" <[email protected]> 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 > ++++++++++++++++++++++++++ > [email protected] > ++++++++++++++++++++++++++ > *Par respect pour l'environnement,* > > *n'imprimez ce mail qu'en cas d'absolue nécessité* > > > > > > > > _______________________________________________ > Qgis-user mailing list > [email protected] > List info: http://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user > > > -- 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 ++++++++++++++++++++++++++ [email protected] ++++++++++++++++++++++++++ *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 ++++++++++++++++++++++++++ [email protected] ++++++++++++++++++++++++++ *Par respect pour l'environnement,* *n'imprimez ce mail qu'en cas d'absolue nécessité*
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