How about using the gradient (filter or python calculator expression) to take the derivative and find the points of inflection. Combine that with the techniques Mathieu and Jean suggested.
On Apr 16, 2018 7:53 AM, "Mathieu Westphal" <mathieu.westp...@kitware.com> wrote: Dear Andrea, Both Jean's and my method will not work for your case. I'll admit that I missed the local part. The easiest way would be to do it visually with scalar coloring and use "Hover Points" or "Hover Cells" to find the exact element you are looking for. Best, Mathieu Westphal On Mon, Apr 16, 2018 at 1:25 PM, Caffagni, Andrea < andrea.caffa...@ferrari.com> wrote: > Dear Jean, > > Thanks for your suggestions. > > If I have understood correctly, your method can works only in the case in > which I have only a maxima like this case: > > https://upload.wikimedia.org/wikipedia/commons/c/ce/Gaussian_2d.png > > > > But if I have to find the local maxima in this case: > > > https://www.mathworks.com/matlabcentral/mlc-downloads/downloads/submissions/27178/versions/6/previews/html/psPeaksExample.html > > in which I have three different local max peaks, your method can works > correctly? > > > > Best regards, > > Andrea > > > > > > *From:* Favre Jean [mailto:jfa...@cscs.ch] > *Sent:* Monday, April 16, 2018 09:38 > *To:* Caffagni, Andrea; paraview@public.kitware.com > *Subject:* RE: How find local maxima of a scalar field in a slice > > > > use the Edit->Find Data menu > > Select Points or Cells. > Select the "from" object (your slice's name) > > Select the variable name > Select "is max" > Click on "Run Selection Query" > > ----------------- > Jean/CSCS > > > _________________________________________________________________________________________________________________ > > > > Questo messaggio è da intendersi esclusivamente ad uso del destinatario e > può contenere informazioni che sono di natura privilegiata, confidenziale o > non divulgabile secondo le leggi vigenti. Se il lettore del presente > messaggio non è il destinatario designato, o il dipendente/agente > responsabile per la consegna del messaggio al destinatario designato, si > informa che ogni disseminazione, distribuzione o copiatura di questa > comunicazione è vietata anche ai sensi della normativa vigente in materia > di protezione dei dati personali. Se avete ricevuto questo messaggio per > errore, vi preghiamo di notificarcelo immediatamente a mezzo e-mail di > risposta e successivamente di procedere alla cancellazione di questa e-mail > e relativi allegati dal vostro sistema. > > > _________________________________________________________________________________________________________________ > > > > This message is intended only for the use of the addressee and may contain > information that is privileged, confidential and exempt from disclosure > under applicable law. If the reader of this message is not the intended > recipient, or the employee or agent responsible for delivering the message > to the intended recipient, you are hereby notified that any dissemination, > distribution or copying of this communication is prohibited under the > applicable data protection law. If you have received this e-mail by > mistake, please notify us immediately by return e-mail and delete this > e-mail and all attachments from your system. > > > > > _________________________________________________________________________________________________________________ > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Search the list archives at: http://markmail.org/search/?q=ParaView > > Follow this link to subscribe/unsubscribe: > https://public.kitware.com/mailman/listinfo/paraview > > _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Search the list archives at: http://markmail.org/search/?q=ParaView Follow this link to subscribe/unsubscribe: https://public.kitware.com/mailman/listinfo/paraview
_______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Search the list archives at: http://markmail.org/search/?q=ParaView Follow this link to subscribe/unsubscribe: https://public.kitware.com/mailman/listinfo/paraview