Hi Azzurra, You can use Raster styling to display it as contours with minor and major contours: https://www.qgis.org/en/site/forusers/visualchangelog314/index.html#feature-raster-layer-contour-renderer
Kind regards Saber On Wed, 3 Mar 2021 at 18:01, Azzurra Lentini <[email protected]> wrote: > Hi to all, > > I have extracted contours from a dtm raster 20 m resolution file and the > result is a vector file of contours with 20 m of interval between the > contours. > > I would like to have two different symbols for these contours: for example > black colour and thickness 1 for the contours with interval of 100 m (0, > 100, 200, 300 etc.) and grey colour and thickness 0.5 for the contours 20, > 40, 60, 80, 120, 140 .. etc.). > > What can I do? > > Normally I create another contours file only for the contours equidistant > 100 m and I put a different symbol for the 2 layers. > > Do you know other ways without the creation of another file? > maybe rule-based symbology? > > > Thank you, Azzurra > > -- > Lecturer GIS University "Roma Tre" > Consultant Environmental Risk Prevention and Hydrogeology > AZZURRA LENTINI > ++++++++++++++++++++++++++ > Italy Mobile Tel.: **(39) 338 24 40 676 > ++++++++++++++++++++++++++ > SKYPE azzurrahydro > ++++++++++++++++++++++++++ > > *[email protected] <[email protected]>* > > *[email protected] <[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: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > -- Saber Razmjooei www.lutraconsulting.co.uk
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