<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    Ringrazio Stefano, Alberto e Toto' per i suggerimenti. In effetti la
    funzione Unione e' quella che si avvicina alla mia necessita' anche
    se poi bisogna intervenire sul risultato ad esempio rimuovendo le
    parti del layer B eccedenti rispetto al layer A e ripulendo la
    tabella dati associati.<br>
    Il calcolatore di campi, sempre caldeggiato da Toto', mi e' ancora
    poco familiare nelle espressioni piu' complesse che lui riesce a
    costruire. Bisogna proprio che mi metta a studiare!<br>
    Grazie a tutti, imparo sempre tanto...<br>
    <br>
    ciao<br>
    luca<br>
    <br>
    <div class="moz-cite-prefix">Il 04/02/2020 09:56, Studio
      Multiservice s.s. ha scritto:<br>
    </div>
    <blockquote type="cite"
cite="mid:CANfymWquTdTvDyMSkE=Sc11-0Epjkq7wJJ2RH2=YvFHMCM9maQ@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">Ciao Luca
        <div><br>
        </div>
        <div>perché non usare dal menù Vettore>strumenti
          geopreocessini la funzioneUnione?<br clear="all">
          <div>
            <div dir="ltr" class="gmail_signature"
              data-smartmail="gmail_signature">
              <div dir="ltr">
                <div>
                  <div dir="ltr">
                    <div>
                      <div dir="ltr">
                        <div>
                          <div dir="ltr">
                            <div>
                              <div dir="ltr">
                                <div>
                                  <div dir="ltr">
                                    <div>
                                      <div dir="ltr">
                                        <div>
                                          <div dir="ltr">
                                            <div>
                                              <div dir="ltr">
                                                <div>
                                                  <div dir="ltr">
                                                    <div>
                                                      <div dir="ltr">
                                                        <div>
                                                          <div dir="ltr">
                                                          <div>
                                                          <div dir="ltr">
                                                          <div>
                                                          <div dir="ltr">
                                                          <div>
                                                          <div dir="ltr">
                                                          <div>
                                                          <div dir="ltr">
                                                          <div>
                                                          <div dir="ltr">
                                                          <div>
                                                          <div dir="ltr">
                                                          <div>
                                                          <div dir="ltr"><span></span><br>
                                                          </div>
                                                          </div>
                                                          <div>Personalmente
                                                          mi trovo
                                                          bene...</div>
                                                          <div><br>
                                                          </div>
                                                          <div>Alberto</div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                        </div>
                                                      </div>
                                                    </div>
                                                  </div>
                                                </div>
                                              </div>
                                            </div>
                                          </div>
                                        </div>
                                      </div>
                                    </div>
                                  </div>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <br>
        </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">Il giorno lun 3 feb 2020 alle
          ore 09:02 Luca Puglisi <<a
            href="mailto:luca_puglisi@tiscali.it" moz-do-not-send="true">luca_puglisi@tiscali.it</a>>
          ha scritto:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Ciao,<br>
          <br>
          Toto' ha fornito ancora una volta un utile chiarimento. Quello
          che pero' <br>
          mi lascia sempre un po' basito e' che in QGis manchi la
          funzione per <br>
          ritagliare un layer poligonale con un altro layer poligonale,
          senza <br>
          perdere la parte del primo layer non sovrapposta al secondo. O
          sono io <br>
          cosi' scarso - possibilissimo! - che non la trovo? In passato
          ho risolto <br>
          a mano, ma mi pare veramente strano che questa funzione non
          sia stata <br>
          ancora sviluppata.<br>
          <br>
          Un salutone<br>
          Luca Puglisi<br>
          <br>
          <br>
          <br>
          Il 02/02/2020 10:25, Totò ha scritto:<br>
          > Totò wrote<br>
          >> Carlo Tersigni wrote<br>
          >>> Come posso fare per tagliare il poligono con la
          polilinea scelta?<br>
          >> Buonasera,<br>
          >> ho appena fatto una prova con esito positivo.<br>
          >><br>
          >> Da processing cerca Dividi con linee [0]<br>
          > Ciao,<br>
          ><br>
          > ho realizzato un blog post<br>
          ><br>
          > <a
href="https://pigrecoinfinito.com/2020/02/02/qgis-come-dividere-poligoni-con-linee/"
            rel="noreferrer" target="_blank" moz-do-not-send="true">https://pigrecoinfinito.com/2020/02/02/qgis-come-dividere-poligoni-con-linee/</a><br>
          ><br>
          > saluti<br>
          ><br>
          ><br>
          ><br>
          > -----<br>
          > <a href="https://pigrecoinfinito.wordpress.com/"
            rel="noreferrer" target="_blank" moz-do-not-send="true">https://pigrecoinfinito.wordpress.com/</a><br>
          > --<br>
          > Sent from: <a
href="http://osgeo-org.1560.x6.nabble.com/QGIS-Italian-User-f5250612.html"
            rel="noreferrer" target="_blank" moz-do-not-send="true">http://osgeo-org.1560.x6.nabble.com/QGIS-Italian-User-f5250612.html</a><br>
          > _______________________________________________<br>
          > QGIS-it-user mailing list<br>
          > <a href="mailto:QGIS-it-user@lists.osgeo.org"
            target="_blank" moz-do-not-send="true">QGIS-it-user@lists.osgeo.org</a><br>
          > <a
            href="https://lists.osgeo.org/mailman/listinfo/qgis-it-user"
            rel="noreferrer" target="_blank" moz-do-not-send="true">https://lists.osgeo.org/mailman/listinfo/qgis-it-user</a><br>
          <br>
          _______________________________________________<br>
          QGIS-it-user mailing list<br>
          <a href="mailto:QGIS-it-user@lists.osgeo.org" target="_blank"
            moz-do-not-send="true">QGIS-it-user@lists.osgeo.org</a><br>
          <a
            href="https://lists.osgeo.org/mailman/listinfo/qgis-it-user"
            rel="noreferrer" target="_blank" moz-do-not-send="true">https://lists.osgeo.org/mailman/listinfo/qgis-it-user</a><br>
        </blockquote>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________
QGIS-it-user mailing list
<a class="moz-txt-link-abbreviated" href="mailto:QGIS-it-user@lists.osgeo.org">QGIS-it-user@lists.osgeo.org</a>
<a class="moz-txt-link-freetext" href="https://lists.osgeo.org/mailman/listinfo/qgis-it-user">https://lists.osgeo.org/mailman/listinfo/qgis-it-user</a>
</pre>
    </blockquote>
    <br>
  </body>
</html>